./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1121a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1121a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a675a014adb554d3b3cb02e2742644f85bc00ae7c696ead14730bf8198b2dce7 --- 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 [2022-11-18 21:09:00,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 21:09:00,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 21:09:00,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 21:09:00,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 21:09:00,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 21:09:00,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 21:09:00,530 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 21:09:00,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 21:09:00,533 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 21:09:00,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 21:09:00,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 21:09:00,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 21:09:00,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 21:09:00,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 21:09:00,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 21:09:00,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 21:09:00,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 21:09:00,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 21:09:00,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 21:09:00,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 21:09:00,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 21:09:00,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 21:09:00,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 21:09:00,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 21:09:00,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 21:09:00,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 21:09:00,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 21:09:00,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 21:09:00,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 21:09:00,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 21:09:00,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 21:09:00,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 21:09:00,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 21:09:00,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 21:09:00,559 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 21:09:00,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 21:09:00,560 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 21:09:00,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 21:09:00,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 21:09:00,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 21:09:00,562 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 21:09:00,584 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 21:09:00,585 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 21:09:00,585 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 21:09:00,585 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 21:09:00,586 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 21:09:00,586 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 21:09:00,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 21:09:00,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 21:09:00,587 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 21:09:00,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 21:09:00,587 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 21:09:00,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 21:09:00,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 21:09:00,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 21:09:00,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 21:09:00,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 21:09:00,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 21:09:00,588 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 21:09:00,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 21:09:00,589 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 21:09:00,589 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 21:09:00,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 21:09:00,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 21:09:00,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 21:09:00,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:09:00,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 21:09:00,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 21:09:00,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 21:09:00,590 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 21:09:00,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 21:09:00,591 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 21:09:00,591 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 21:09:00,591 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 21:09:00,591 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_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a675a014adb554d3b3cb02e2742644f85bc00ae7c696ead14730bf8198b2dce7 [2022-11-18 21:09:00,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 21:09:00,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 21:09:00,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 21:09:00,909 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 21:09:00,911 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 21:09:00,912 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2022-11-18 21:09:01,008 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/data/765502d57/41893a9b3b384761bd801bbff3320df9/FLAG91bb13b6a [2022-11-18 21:09:01,545 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 21:09:01,550 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2022-11-18 21:09:01,557 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/data/765502d57/41893a9b3b384761bd801bbff3320df9/FLAG91bb13b6a [2022-11-18 21:09:01,911 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/data/765502d57/41893a9b3b384761bd801bbff3320df9 [2022-11-18 21:09:01,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 21:09:01,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 21:09:01,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 21:09:01,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 21:09:01,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 21:09:01,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:09:01" (1/1) ... [2022-11-18 21:09:01,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ee2917e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:01, skipping insertion in model container [2022-11-18 21:09:01,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:09:01" (1/1) ... [2022-11-18 21:09:01,930 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 21:09:01,956 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 21:09:02,204 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_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/sv-benchmarks/c/float-newlib/float_req_bl_1121a.c[2701,2714] [2022-11-18 21:09:02,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:09:02,215 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 21:09:02,249 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_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/sv-benchmarks/c/float-newlib/float_req_bl_1121a.c[2701,2714] [2022-11-18 21:09:02,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:09:02,262 INFO L208 MainTranslator]: Completed translation [2022-11-18 21:09:02,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:02 WrapperNode [2022-11-18 21:09:02,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 21:09:02,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 21:09:02,264 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 21:09:02,264 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 21:09:02,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:02" (1/1) ... [2022-11-18 21:09:02,279 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:02" (1/1) ... [2022-11-18 21:09:02,307 INFO L138 Inliner]: procedures = 18, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 190 [2022-11-18 21:09:02,307 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 21:09:02,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 21:09:02,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 21:09:02,308 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 21:09:02,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:02" (1/1) ... [2022-11-18 21:09:02,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:02" (1/1) ... [2022-11-18 21:09:02,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:02" (1/1) ... [2022-11-18 21:09:02,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:02" (1/1) ... [2022-11-18 21:09:02,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:02" (1/1) ... [2022-11-18 21:09:02,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:02" (1/1) ... [2022-11-18 21:09:02,341 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:02" (1/1) ... [2022-11-18 21:09:02,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:02" (1/1) ... [2022-11-18 21:09:02,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 21:09:02,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 21:09:02,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 21:09:02,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 21:09:02,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:02" (1/1) ... [2022-11-18 21:09:02,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:09:02,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:09:02,393 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 21:09:02,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 21:09:02,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 21:09:02,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 21:09:02,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 21:09:02,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 21:09:02,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-18 21:09:02,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-18 21:09:02,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 21:09:02,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 21:09:02,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 21:09:02,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-11-18 21:09:02,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 21:09:02,579 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 21:09:02,581 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 21:09:03,041 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 21:09:03,047 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 21:09:03,050 INFO L300 CfgBuilder]: Removed 12 assume(true) statements. [2022-11-18 21:09:03,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:09:03 BoogieIcfgContainer [2022-11-18 21:09:03,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 21:09:03,057 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 21:09:03,058 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 21:09:03,063 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 21:09:03,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:09:01" (1/3) ... [2022-11-18 21:09:03,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ac2b149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:09:03, skipping insertion in model container [2022-11-18 21:09:03,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:02" (2/3) ... [2022-11-18 21:09:03,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ac2b149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:09:03, skipping insertion in model container [2022-11-18 21:09:03,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:09:03" (3/3) ... [2022-11-18 21:09:03,067 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1121a.c [2022-11-18 21:09:03,094 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 21:09:03,094 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 21:09:03,155 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 21:09:03,162 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3cbff5f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 21:09:03,162 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 21:09:03,167 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 46 states have (on average 1.7826086956521738) internal successors, (82), 47 states have internal predecessors, (82), 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) [2022-11-18 21:09:03,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-18 21:09:03,174 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:09:03,175 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:09:03,175 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:09:03,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:09:03,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1069619636, now seen corresponding path program 1 times [2022-11-18 21:09:03,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:09:03,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865660862] [2022-11-18 21:09:03,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:09:03,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:09:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:03,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:09:03,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:09:03,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865660862] [2022-11-18 21:09:03,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865660862] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:09:03,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:09:03,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:09:03,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403811327] [2022-11-18 21:09:03,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:09:03,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 21:09:03,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:09:03,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 21:09:03,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 21:09:03,447 INFO L87 Difference]: Start difference. First operand has 48 states, 46 states have (on average 1.7826086956521738) internal successors, (82), 47 states have internal predecessors, (82), 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) [2022-11-18 21:09:03,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:09:03,484 INFO L93 Difference]: Finished difference Result 94 states and 162 transitions. [2022-11-18 21:09:03,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 21:09:03,486 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 [2022-11-18 21:09:03,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:09:03,496 INFO L225 Difference]: With dead ends: 94 [2022-11-18 21:09:03,497 INFO L226 Difference]: Without dead ends: 45 [2022-11-18 21:09:03,501 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 [2022-11-18 21:09:03,504 INFO L413 NwaCegarLoop]: 69 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, 69 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 [2022-11-18 21:09:03,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 21:09:03,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-11-18 21:09:03,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-11-18 21:09:03,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.5) internal successors, (66), 44 states have internal predecessors, (66), 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) [2022-11-18 21:09:03,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 66 transitions. [2022-11-18 21:09:03,551 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 66 transitions. Word has length 11 [2022-11-18 21:09:03,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:09:03,552 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 66 transitions. [2022-11-18 21:09:03,553 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) [2022-11-18 21:09:03,553 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2022-11-18 21:09:03,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-18 21:09:03,555 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:09:03,556 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:09:03,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 21:09:03,558 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:09:03,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:09:03,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1650882455, now seen corresponding path program 1 times [2022-11-18 21:09:03,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:09:03,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499865532] [2022-11-18 21:09:03,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:09:03,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:09:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:09:03,662 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:09:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:09:03,769 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:09:03,769 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 21:09:03,771 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 21:09:03,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 21:09:03,778 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-18 21:09:03,782 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 21:09:03,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:09:03 BoogieIcfgContainer [2022-11-18 21:09:03,827 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 21:09:03,828 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 21:09:03,828 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 21:09:03,828 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 21:09:03,829 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:09:03" (3/4) ... [2022-11-18 21:09:03,832 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 21:09:03,833 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 21:09:03,834 INFO L158 Benchmark]: Toolchain (without parser) took 1918.60ms. Allocated memory is still 157.3MB. Free memory was 125.5MB in the beginning and 117.8MB in the end (delta: 7.7MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2022-11-18 21:09:03,835 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 88.1MB. Free memory was 47.1MB in the beginning and 47.1MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:09:03,836 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.34ms. Allocated memory is still 157.3MB. Free memory was 125.4MB in the beginning and 131.2MB in the end (delta: -5.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 21:09:03,839 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.01ms. Allocated memory is still 157.3MB. Free memory was 131.2MB in the beginning and 128.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 21:09:03,842 INFO L158 Benchmark]: Boogie Preprocessor took 37.86ms. Allocated memory is still 157.3MB. Free memory was 128.8MB in the beginning and 126.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 21:09:03,843 INFO L158 Benchmark]: RCFGBuilder took 708.73ms. Allocated memory is still 157.3MB. Free memory was 126.8MB in the beginning and 107.6MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-18 21:09:03,843 INFO L158 Benchmark]: TraceAbstraction took 769.73ms. Allocated memory is still 157.3MB. Free memory was 107.2MB in the beginning and 118.4MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:09:03,844 INFO L158 Benchmark]: Witness Printer took 5.22ms. Allocated memory is still 157.3MB. Free memory was 118.4MB in the beginning and 117.8MB in the end (delta: 629.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:09:03,851 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 88.1MB. Free memory was 47.1MB in the beginning and 47.1MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.34ms. Allocated memory is still 157.3MB. Free memory was 125.4MB in the beginning and 131.2MB in the end (delta: -5.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.01ms. Allocated memory is still 157.3MB. Free memory was 131.2MB in the beginning and 128.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.86ms. Allocated memory is still 157.3MB. Free memory was 128.8MB in the beginning and 126.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 708.73ms. Allocated memory is still 157.3MB. Free memory was 126.8MB in the beginning and 107.6MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 769.73ms. Allocated memory is still 157.3MB. Free memory was 107.2MB in the beginning and 118.4MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.22ms. Allocated memory is still 157.3MB. Free memory was 118.4MB in the beginning and 117.8MB in the end (delta: 629.7kB). 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: 125]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 110, overapproximation of someUnaryDOUBLEoperation at line 16, overapproximation of bitwiseAnd at line 34, overapproximation of bitwiseXor at line 33, overapproximation of someBinaryArithmeticFLOAToperation at line 37. Possible FailurePath: [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={4:0}] [L118] float x = __VERIFIER_nondet_float(); [L119] float y = 0.0f; [L121] CALL, EXPR fmod_float(x, y) [L20] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [\old(x)=6434062349, \old(y)=0, one_fmod=1, x=6434062349, y=0, Zero_fmod={4:0}] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (hx) = gf_u.word [L28] ieee_float_shape_type gf_u; [L29] gf_u.value = (y) [L30] EXPR gf_u.word [L30] (hy) = gf_u.word [L32] sx = hx & 0x80000000 VAL [\old(x)=6434062349, \old(y)=0, hx=0, hy=2139095041, one_fmod=1, sx=0, x=6434062349, y=0, Zero_fmod={4:0}] [L33] hx ^= sx [L34] hy &= 0x7fffffff VAL [\old(x)=6434062349, \old(y)=0, hx=0, hy=2139095041, one_fmod=1, sx=0, x=6434062349, y=0, Zero_fmod={4:0}] [L36] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L37] return (x * y) / (x * y); VAL [\old(x)=6434062349, \old(y)=0, hx=0, hy=2139095041, one_fmod=1, sx=0, x=6434062349, y=0, Zero_fmod={4:0}] [L121] RET, EXPR fmod_float(x, y) [L121] float res = fmod_float(x, y); [L124] CALL, EXPR isnan_float(res) [L110] return x != x; VAL [\old(x)=6434062348, \result=0, one_fmod=1, x=6434062348, Zero_fmod={4:0}] [L124] RET, EXPR isnan_float(res) [L124] COND TRUE !isnan_float(res) [L125] reach_error() VAL [one_fmod=1, res=6434062348, x=6434062349, y=0, Zero_fmod={4:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 69 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 69 mSDtfsCounter, 0 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=48occurred 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, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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 [2022-11-18 21:09:03,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1121a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a675a014adb554d3b3cb02e2742644f85bc00ae7c696ead14730bf8198b2dce7 --- 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 [2022-11-18 21:09:06,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 21:09:06,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 21:09:06,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 21:09:06,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 21:09:06,302 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 21:09:06,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 21:09:06,311 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 21:09:06,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 21:09:06,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 21:09:06,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 21:09:06,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 21:09:06,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 21:09:06,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 21:09:06,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 21:09:06,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 21:09:06,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 21:09:06,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 21:09:06,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 21:09:06,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 21:09:06,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 21:09:06,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 21:09:06,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 21:09:06,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 21:09:06,359 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 21:09:06,359 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 21:09:06,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 21:09:06,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 21:09:06,361 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 21:09:06,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 21:09:06,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 21:09:06,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 21:09:06,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 21:09:06,365 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 21:09:06,366 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 21:09:06,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 21:09:06,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 21:09:06,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 21:09:06,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 21:09:06,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 21:09:06,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 21:09:06,377 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-18 21:09:06,417 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 21:09:06,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 21:09:06,425 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 21:09:06,425 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 21:09:06,426 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 21:09:06,426 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 21:09:06,428 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 21:09:06,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 21:09:06,428 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 21:09:06,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 21:09:06,430 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 21:09:06,430 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 21:09:06,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 21:09:06,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 21:09:06,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 21:09:06,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 21:09:06,432 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 21:09:06,432 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 21:09:06,432 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 21:09:06,432 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 21:09:06,433 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 21:09:06,433 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 21:09:06,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 21:09:06,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 21:09:06,434 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 21:09:06,434 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 21:09:06,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:09:06,435 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 21:09:06,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 21:09:06,436 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 21:09:06,436 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 21:09:06,436 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 21:09:06,437 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 21:09:06,437 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 21:09:06,437 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 21:09:06,437 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 21:09:06,438 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_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a675a014adb554d3b3cb02e2742644f85bc00ae7c696ead14730bf8198b2dce7 [2022-11-18 21:09:06,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 21:09:06,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 21:09:06,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 21:09:06,887 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 21:09:06,888 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 21:09:06,890 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2022-11-18 21:09:06,966 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/data/85c12746f/03054eb0f47f4ebdbc6c8a28675d5c8c/FLAG7cf63846b [2022-11-18 21:09:07,477 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 21:09:07,479 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2022-11-18 21:09:07,488 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/data/85c12746f/03054eb0f47f4ebdbc6c8a28675d5c8c/FLAG7cf63846b [2022-11-18 21:09:07,840 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/data/85c12746f/03054eb0f47f4ebdbc6c8a28675d5c8c [2022-11-18 21:09:07,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 21:09:07,845 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 21:09:07,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 21:09:07,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 21:09:07,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 21:09:07,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:09:07" (1/1) ... [2022-11-18 21:09:07,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e4d63d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:07, skipping insertion in model container [2022-11-18 21:09:07,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:09:07" (1/1) ... [2022-11-18 21:09:07,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 21:09:07,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 21:09:08,077 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_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/sv-benchmarks/c/float-newlib/float_req_bl_1121a.c[2701,2714] [2022-11-18 21:09:08,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:09:08,107 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 21:09:08,167 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_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/sv-benchmarks/c/float-newlib/float_req_bl_1121a.c[2701,2714] [2022-11-18 21:09:08,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:09:08,185 INFO L208 MainTranslator]: Completed translation [2022-11-18 21:09:08,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:08 WrapperNode [2022-11-18 21:09:08,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 21:09:08,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 21:09:08,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 21:09:08,187 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 21:09:08,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:08" (1/1) ... [2022-11-18 21:09:08,204 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:08" (1/1) ... [2022-11-18 21:09:08,227 INFO L138 Inliner]: procedures = 21, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 169 [2022-11-18 21:09:08,228 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 21:09:08,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 21:09:08,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 21:09:08,229 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 21:09:08,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:08" (1/1) ... [2022-11-18 21:09:08,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:08" (1/1) ... [2022-11-18 21:09:08,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:08" (1/1) ... [2022-11-18 21:09:08,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:08" (1/1) ... [2022-11-18 21:09:08,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:08" (1/1) ... [2022-11-18 21:09:08,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:08" (1/1) ... [2022-11-18 21:09:08,261 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:08" (1/1) ... [2022-11-18 21:09:08,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:08" (1/1) ... [2022-11-18 21:09:08,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 21:09:08,267 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 21:09:08,268 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 21:09:08,268 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 21:09:08,269 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:08" (1/1) ... [2022-11-18 21:09:08,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:09:08,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:09:08,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 21:09:08,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 21:09:08,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 21:09:08,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-11-18 21:09:08,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-18 21:09:08,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 21:09:08,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-11-18 21:09:08,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-18 21:09:08,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 21:09:08,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 21:09:08,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-11-18 21:09:08,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-18 21:09:08,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 21:09:08,442 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 21:09:08,444 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 21:09:11,071 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 21:09:11,077 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 21:09:11,078 INFO L300 CfgBuilder]: Removed 12 assume(true) statements. [2022-11-18 21:09:11,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:09:11 BoogieIcfgContainer [2022-11-18 21:09:11,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 21:09:11,082 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 21:09:11,082 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 21:09:11,085 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 21:09:11,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:09:07" (1/3) ... [2022-11-18 21:09:11,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ea5ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:09:11, skipping insertion in model container [2022-11-18 21:09:11,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:08" (2/3) ... [2022-11-18 21:09:11,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ea5ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:09:11, skipping insertion in model container [2022-11-18 21:09:11,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:09:11" (3/3) ... [2022-11-18 21:09:11,089 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1121a.c [2022-11-18 21:09:11,108 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 21:09:11,108 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 21:09:11,169 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 21:09:11,176 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@351b510c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 21:09:11,176 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 21:09:11,180 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 40 states have (on average 1.75) internal successors, (70), 41 states have internal predecessors, (70), 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) [2022-11-18 21:09:11,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-18 21:09:11,187 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:09:11,187 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:09:11,188 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:09:11,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:09:11,194 INFO L85 PathProgramCache]: Analyzing trace with hash 666555284, now seen corresponding path program 1 times [2022-11-18 21:09:11,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 21:09:11,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1428933349] [2022-11-18 21:09:11,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:09:11,207 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 [2022-11-18 21:09:11,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 21:09:11,215 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 21:09:11,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 21:09:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:11,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-18 21:09:11,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:09:11,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:09:11,569 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:09:11,570 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 21:09:11,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1428933349] [2022-11-18 21:09:11,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1428933349] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:09:11,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:09:11,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:09:11,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044667925] [2022-11-18 21:09:11,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:09:11,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 21:09:11,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 21:09:11,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 21:09:11,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 21:09:11,633 INFO L87 Difference]: Start difference. First operand has 42 states, 40 states have (on average 1.75) internal successors, (70), 41 states have internal predecessors, (70), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-11-18 21:09:11,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:09:11,658 INFO L93 Difference]: Finished difference Result 82 states and 138 transitions. [2022-11-18 21:09:11,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 21:09:11,660 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2022-11-18 21:09:11,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:09:11,670 INFO L225 Difference]: With dead ends: 82 [2022-11-18 21:09:11,670 INFO L226 Difference]: Without dead ends: 39 [2022-11-18 21:09:11,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 21:09:11,676 INFO L413 NwaCegarLoop]: 57 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, 57 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 [2022-11-18 21:09:11,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 21:09:11,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-18 21:09:11,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-18 21:09:11,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 38 states have internal predecessors, (54), 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) [2022-11-18 21:09:11,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2022-11-18 21:09:11,707 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 10 [2022-11-18 21:09:11,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:09:11,708 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2022-11-18 21:09:11,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-11-18 21:09:11,709 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2022-11-18 21:09:11,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-18 21:09:11,711 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:09:11,711 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:09:11,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 21:09:11,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 21:09:11,919 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:09:11,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:09:11,920 INFO L85 PathProgramCache]: Analyzing trace with hash 131116369, now seen corresponding path program 1 times [2022-11-18 21:09:11,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 21:09:11,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1917335535] [2022-11-18 21:09:11,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:09:11,921 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 [2022-11-18 21:09:11,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 21:09:11,923 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 21:09:11,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 21:09:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:12,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-18 21:09:12,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:09:15,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:09:15,359 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:09:15,359 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 21:09:15,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1917335535] [2022-11-18 21:09:15,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1917335535] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:09:15,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:09:15,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:09:15,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268649656] [2022-11-18 21:09:15,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:09:15,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 21:09:15,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 21:09:15,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 21:09:15,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:09:15,364 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 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) [2022-11-18 21:09:19,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:09:19,381 INFO L93 Difference]: Finished difference Result 44 states and 58 transitions. [2022-11-18 21:09:19,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 21:09:19,390 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 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 12 [2022-11-18 21:09:19,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:09:19,391 INFO L225 Difference]: With dead ends: 44 [2022-11-18 21:09:19,391 INFO L226 Difference]: Without dead ends: 39 [2022-11-18 21:09:19,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-18 21:09:19,393 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 50 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-18 21:09:19,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 192 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 10 Unchecked, 1.3s Time] [2022-11-18 21:09:19,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-18 21:09:19,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-18 21:09:19,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.394736842105263) internal successors, (53), 38 states have internal predecessors, (53), 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) [2022-11-18 21:09:19,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 53 transitions. [2022-11-18 21:09:19,400 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 53 transitions. Word has length 12 [2022-11-18 21:09:19,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:09:19,400 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 53 transitions. [2022-11-18 21:09:19,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 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) [2022-11-18 21:09:19,400 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2022-11-18 21:09:19,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-18 21:09:19,401 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:09:19,401 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:09:19,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 21:09:19,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 21:09:19,602 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:09:19,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:09:19,603 INFO L85 PathProgramCache]: Analyzing trace with hash -302456811, now seen corresponding path program 1 times [2022-11-18 21:09:19,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 21:09:19,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [491190590] [2022-11-18 21:09:19,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:09:19,604 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 [2022-11-18 21:09:19,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 21:09:19,607 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 21:09:19,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 21:09:19,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:19,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 21:09:19,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:09:19,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:09:19,827 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:09:19,828 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 21:09:19,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [491190590] [2022-11-18 21:09:19,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [491190590] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:09:19,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:09:19,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 21:09:19,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723203564] [2022-11-18 21:09:19,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:09:19,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 21:09:19,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 21:09:19,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 21:09:19,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 21:09:19,831 INFO L87 Difference]: Start difference. First operand 39 states and 53 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) [2022-11-18 21:09:19,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:09:19,871 INFO L93 Difference]: Finished difference Result 39 states and 53 transitions. [2022-11-18 21:09:19,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 21:09:19,872 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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 [2022-11-18 21:09:19,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:09:19,873 INFO L225 Difference]: With dead ends: 39 [2022-11-18 21:09:19,873 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 21:09:19,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:09:19,885 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:09:19,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 9 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 21:09:19,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 21:09:19,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 21:09:19,887 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) [2022-11-18 21:09:19,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 21:09:19,888 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2022-11-18 21:09:19,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:09:19,888 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 21:09:19,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) [2022-11-18 21:09:19,888 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 21:09:19,889 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 21:09:19,891 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 21:09:19,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 21:09:20,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 21:09:20,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 21:09:21,198 INFO L899 garLoopResultBuilder]: For program point L27(lines 27 31) no Hoare annotation was computed. [2022-11-18 21:09:21,198 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 60 65) no Hoare annotation was computed. [2022-11-18 21:09:21,198 INFO L895 garLoopResultBuilder]: At program point L27-1(lines 19 107) the Hoare annotation is: (and (= |ULTIMATE.start_fmod_float_~y#1| (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-18 21:09:21,198 INFO L899 garLoopResultBuilder]: For program point L27-2(lines 27 31) no Hoare annotation was computed. [2022-11-18 21:09:21,199 INFO L895 garLoopResultBuilder]: At program point L110(line 110) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res#1|) [2022-11-18 21:09:21,199 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 75) no Hoare annotation was computed. [2022-11-18 21:09:21,199 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 37) no Hoare annotation was computed. [2022-11-18 21:09:21,199 INFO L895 garLoopResultBuilder]: At program point L69-2(lines 67 76) the Hoare annotation is: false [2022-11-18 21:09:21,199 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 21:09:21,199 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 21:09:21,199 INFO L899 garLoopResultBuilder]: For program point L78(lines 78 80) no Hoare annotation was computed. [2022-11-18 21:09:21,199 INFO L899 garLoopResultBuilder]: For program point L78-2(lines 19 107) no Hoare annotation was computed. [2022-11-18 21:09:21,200 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 19 107) no Hoare annotation was computed. [2022-11-18 21:09:21,200 INFO L899 garLoopResultBuilder]: For program point L38(lines 38 39) no Hoare annotation was computed. [2022-11-18 21:09:21,200 INFO L902 garLoopResultBuilder]: At program point L129(lines 112 130) the Hoare annotation is: true [2022-11-18 21:09:21,200 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 105) no Hoare annotation was computed. [2022-11-18 21:09:21,200 INFO L899 garLoopResultBuilder]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2022-11-18 21:09:21,200 INFO L895 garLoopResultBuilder]: At program point L22-2(lines 22 26) the Hoare annotation is: (and (= |ULTIMATE.start_fmod_float_~y#1| (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-18 21:09:21,201 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 73) no Hoare annotation was computed. [2022-11-18 21:09:21,201 INFO L899 garLoopResultBuilder]: For program point L48(lines 19 107) no Hoare annotation was computed. [2022-11-18 21:09:21,201 INFO L895 garLoopResultBuilder]: At program point L106(lines 19 107) the Hoare annotation is: (and (exists ((|ULTIMATE.start_fmod_float_~x#1| (_ FloatingPoint 8 24))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven |ULTIMATE.start_fmod_float_~x#1| (_ +zero 8 24)))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_fmod_float_#res#1|)) (= |ULTIMATE.start_fmod_float_~y#1| (_ +zero 8 24)) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-18 21:09:21,201 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 41) no Hoare annotation was computed. [2022-11-18 21:09:21,201 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 21:09:21,201 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 90 94) no Hoare annotation was computed. [2022-11-18 21:09:21,202 INFO L895 garLoopResultBuilder]: At program point L90-2(lines 90 94) the Hoare annotation is: false [2022-11-18 21:09:21,202 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 125) no Hoare annotation was computed. [2022-11-18 21:09:21,202 INFO L899 garLoopResultBuilder]: For program point L49-2(lines 49 50) no Hoare annotation was computed. [2022-11-18 21:09:21,202 INFO L895 garLoopResultBuilder]: At program point L49-3(lines 49 50) the Hoare annotation is: false [2022-11-18 21:09:21,202 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 99 103) no Hoare annotation was computed. [2022-11-18 21:09:21,202 INFO L895 garLoopResultBuilder]: At program point L99-2(lines 99 103) the Hoare annotation is: false [2022-11-18 21:09:21,203 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 21:09:21,203 INFO L899 garLoopResultBuilder]: For program point L99-3(lines 99 103) no Hoare annotation was computed. [2022-11-18 21:09:21,203 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 127) no Hoare annotation was computed. [2022-11-18 21:09:21,203 INFO L899 garLoopResultBuilder]: For program point L42(lines 42 46) no Hoare annotation was computed. [2022-11-18 21:09:21,203 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 19 107) no Hoare annotation was computed. [2022-11-18 21:09:21,203 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 67 76) no Hoare annotation was computed. [2022-11-18 21:09:21,203 INFO L899 garLoopResultBuilder]: For program point L67-3(lines 67 76) no Hoare annotation was computed. [2022-11-18 21:09:21,203 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-11-18 21:09:21,204 INFO L895 garLoopResultBuilder]: At program point L84-2(lines 84 87) the Hoare annotation is: false [2022-11-18 21:09:21,204 INFO L899 garLoopResultBuilder]: For program point L84-3(lines 19 107) no Hoare annotation was computed. [2022-11-18 21:09:21,204 INFO L899 garLoopResultBuilder]: For program point L43-2(lines 43 44) no Hoare annotation was computed. [2022-11-18 21:09:21,204 INFO L895 garLoopResultBuilder]: At program point L43-3(lines 43 44) the Hoare annotation is: false [2022-11-18 21:09:21,211 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-18 21:09:21,214 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 21:09:21,226 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-18 21:09:21,227 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-18 21:09:21,228 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-18 21:09:21,229 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-18 21:09:21,232 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-18 21:09:21,232 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-18 21:09:21,233 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] [2022-11-18 21:09:21,234 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-18 21:09:21,238 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] [2022-11-18 21:09:21,238 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-18 21:09:21,239 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-18 21:09:21,239 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-18 21:09:21,239 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] [2022-11-18 21:09:21,240 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-18 21:09:21,240 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] [2022-11-18 21:09:21,240 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-18 21:09:21,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:09:21 BoogieIcfgContainer [2022-11-18 21:09:21,248 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 21:09:21,249 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 21:09:21,251 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 21:09:21,251 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 21:09:21,252 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:09:11" (3/4) ... [2022-11-18 21:09:21,255 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 21:09:21,268 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-18 21:09:21,269 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-18 21:09:21,269 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 21:09:21,269 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 21:09:21,317 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 21:09:21,318 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 21:09:21,322 INFO L158 Benchmark]: Toolchain (without parser) took 13473.99ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 32.5MB in the beginning and 39.9MB in the end (delta: -7.4MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2022-11-18 21:09:21,323 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 54.5MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:09:21,323 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.15ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 32.4MB in the beginning and 48.7MB in the end (delta: -16.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 21:09:21,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.64ms. Allocated memory is still 67.1MB. Free memory was 48.5MB in the beginning and 46.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 21:09:21,324 INFO L158 Benchmark]: Boogie Preprocessor took 37.84ms. Allocated memory is still 67.1MB. Free memory was 46.7MB in the beginning and 44.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 21:09:21,324 INFO L158 Benchmark]: RCFGBuilder took 2812.73ms. Allocated memory is still 67.1MB. Free memory was 44.6MB in the beginning and 41.7MB in the end (delta: 2.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 21:09:21,325 INFO L158 Benchmark]: TraceAbstraction took 10166.00ms. Allocated memory is still 67.1MB. Free memory was 41.1MB in the beginning and 42.4MB in the end (delta: -1.3MB). Peak memory consumption was 959.3kB. Max. memory is 16.1GB. [2022-11-18 21:09:21,325 INFO L158 Benchmark]: Witness Printer took 69.90ms. Allocated memory is still 67.1MB. Free memory was 42.4MB in the beginning and 39.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 21:09:21,328 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 54.5MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.15ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 32.4MB in the beginning and 48.7MB in the end (delta: -16.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.64ms. Allocated memory is still 67.1MB. Free memory was 48.5MB in the beginning and 46.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.84ms. Allocated memory is still 67.1MB. Free memory was 46.7MB in the beginning and 44.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2812.73ms. Allocated memory is still 67.1MB. Free memory was 44.6MB in the beginning and 41.7MB in the end (delta: 2.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 10166.00ms. Allocated memory is still 67.1MB. Free memory was 41.1MB in the beginning and 42.4MB in the end (delta: -1.3MB). Peak memory consumption was 959.3kB. Max. memory is 16.1GB. * Witness Printer took 69.90ms. Allocated memory is still 67.1MB. Free memory was 42.4MB in the beginning and 39.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] - 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: 125]: 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, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 53 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 53 mSDsluCounter, 258 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 10 IncrementalHoareTripleChecker+Unchecked, 147 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 111 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 16 NumberOfFragments, 44 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 1 QuantifiedInterpolants, 116 SizeOfPredicates, 15 NumberOfNonLiveVariables, 180 ConjunctsInSsa, 22 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: 110]: Loop Invariant Derived loop invariant: 1bv32 == \result - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant [2022-11-18 21:09:21,355 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-18 21:09:21,356 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: y == ~Pluszero~LONGDOUBLE() && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 19]: Loop Invariant [2022-11-18 21:09:21,356 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-18 21:09:21,356 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: y == ~Pluszero~LONGDOUBLE() && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant [2022-11-18 21:09:21,357 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-18 21:09:21,358 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-18 21:09:21,358 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] [2022-11-18 21:09:21,358 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-18 21:09:21,358 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] [2022-11-18 21:09:21,358 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-18 21:09:21,359 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-18 21:09:21,359 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-18 21:09:21,359 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] [2022-11-18 21:09:21,359 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-18 21:09:21,359 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~x#1,QUANTIFIED] [2022-11-18 21:09:21,359 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((\exists ULTIMATE.start_fmod_float_~x#1 : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ULTIMATE.start_fmod_float_~x#1, ~Pluszero~LONGDOUBLE()), ~fp.mul~FLOAT(~roundNearestTiesToEven, ULTIMATE.start_fmod_float_~x#1, ~Pluszero~LONGDOUBLE())) == \result) && y == ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! [2022-11-18 21:09:21,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da711b79-0e49-4bb4-b8af-2d4d1cfef7b1/bin/uautomizer-TMbwUNV5ro/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