./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0240b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0240b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fe4cb483737b479f22076682c1a65354a17a505c2fbb4375e2545f0b3403ffb9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:17:58,679 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:17:58,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:17:58,727 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:17:58,727 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:17:58,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:17:58,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:17:58,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:17:58,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:17:58,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:17:58,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:17:58,751 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:17:58,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:17:58,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:17:58,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:17:58,762 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:17:58,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:17:58,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:17:58,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:17:58,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:17:58,779 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:17:58,781 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:17:58,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:17:58,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:17:58,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:17:58,789 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:17:58,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:17:58,792 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:17:58,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:17:58,794 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:17:58,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:17:58,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:17:58,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:17:58,800 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:17:58,802 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:17:58,802 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:17:58,803 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:17:58,803 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:17:58,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:17:58,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:17:58,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:17:58,806 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 02:17:58,852 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:17:58,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:17:58,855 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:17:58,855 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:17:58,856 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:17:58,857 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:17:58,857 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:17:58,857 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:17:58,858 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:17:58,858 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:17:58,859 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:17:58,859 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:17:58,859 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:17:58,860 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:17:58,860 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:17:58,860 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:17:58,860 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:17:58,861 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:17:58,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:17:58,862 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:17:58,862 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:17:58,862 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:17:58,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:17:58,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:17:58,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:17:58,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:17:58,865 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:17:58,865 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:17:58,865 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:17:58,865 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:17:58,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:17:58,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:17:58,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:17:58,867 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:17:58,867 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:17:58,867 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:17:58,867 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:17:58,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:17:58,868 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:17:58,868 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:17:58,868 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:17:58,868 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe4cb483737b479f22076682c1a65354a17a505c2fbb4375e2545f0b3403ffb9 [2021-11-23 02:17:59,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:17:59,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:17:59,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:17:59,170 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:17:59,171 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:17:59,172 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/float-newlib/float_req_bl_0240b.c [2021-11-23 02:17:59,233 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/data/745776608/51e34790f0d54d6d9f3b567732fd38ba/FLAG67ccd05cd [2021-11-23 02:17:59,755 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:17:59,756 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/sv-benchmarks/c/float-newlib/float_req_bl_0240b.c [2021-11-23 02:17:59,770 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/data/745776608/51e34790f0d54d6d9f3b567732fd38ba/FLAG67ccd05cd [2021-11-23 02:18:00,078 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/data/745776608/51e34790f0d54d6d9f3b567732fd38ba [2021-11-23 02:18:00,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:18:00,082 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:18:00,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:18:00,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:18:00,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:18:00,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:18:00" (1/1) ... [2021-11-23 02:18:00,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c418b2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:00, skipping insertion in model container [2021-11-23 02:18:00,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:18:00" (1/1) ... [2021-11-23 02:18:00,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:18:00,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:18:00,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/sv-benchmarks/c/float-newlib/float_req_bl_0240b.c[15877,15890] [2021-11-23 02:18:00,548 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:18:00,595 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:18:00,748 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/sv-benchmarks/c/float-newlib/float_req_bl_0240b.c[15877,15890] [2021-11-23 02:18:00,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:18:00,809 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:18:00,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:00 WrapperNode [2021-11-23 02:18:00,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:18:00,811 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:18:00,811 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:18:00,811 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:18:00,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:00" (1/1) ... [2021-11-23 02:18:00,849 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:00" (1/1) ... [2021-11-23 02:18:00,925 INFO L137 Inliner]: procedures = 26, calls = 495, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1139 [2021-11-23 02:18:00,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:18:00,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:18:00,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:18:00,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:18:00,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:00" (1/1) ... [2021-11-23 02:18:00,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:00" (1/1) ... [2021-11-23 02:18:00,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:00" (1/1) ... [2021-11-23 02:18:00,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:00" (1/1) ... [2021-11-23 02:18:01,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:00" (1/1) ... [2021-11-23 02:18:01,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:00" (1/1) ... [2021-11-23 02:18:01,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:00" (1/1) ... [2021-11-23 02:18:01,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:18:01,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:18:01,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:18:01,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:18:01,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:00" (1/1) ... [2021-11-23 02:18:01,099 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:18:01,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:18:01,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:18:01,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:18:01,183 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2021-11-23 02:18:01,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2021-11-23 02:18:01,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:18:01,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:18:01,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-23 02:18:01,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:18:01,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-23 02:18:01,185 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2021-11-23 02:18:01,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2021-11-23 02:18:01,185 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2021-11-23 02:18:01,185 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2021-11-23 02:18:01,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:18:01,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-23 02:18:01,186 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2021-11-23 02:18:01,186 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2021-11-23 02:18:01,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:18:01,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:18:01,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:18:01,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:18:01,396 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:18:01,398 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:18:02,666 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:18:02,947 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:18:02,948 INFO L301 CfgBuilder]: Removed 59 assume(true) statements. [2021-11-23 02:18:02,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:18:02 BoogieIcfgContainer [2021-11-23 02:18:02,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:18:02,954 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:18:02,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:18:02,957 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:18:02,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:18:00" (1/3) ... [2021-11-23 02:18:02,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@759b337b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:18:02, skipping insertion in model container [2021-11-23 02:18:02,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:00" (2/3) ... [2021-11-23 02:18:02,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@759b337b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:18:02, skipping insertion in model container [2021-11-23 02:18:02,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:18:02" (3/3) ... [2021-11-23 02:18:02,961 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0240b.c [2021-11-23 02:18:02,966 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:18:02,967 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:18:03,017 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:18:03,024 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:18:03,024 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:18:03,045 INFO L276 IsEmpty]: Start isEmpty. Operand has 168 states, 150 states have (on average 1.68) internal successors, (252), 151 states have internal predecessors, (252), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-23 02:18:03,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 02:18:03,049 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:18:03,050 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:18:03,050 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:18:03,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:18:03,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1512250393, now seen corresponding path program 1 times [2021-11-23 02:18:03,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:18:03,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215927419] [2021-11-23 02:18:03,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:18:03,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:18:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:18:03,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:18:03,386 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:18:03,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215927419] [2021-11-23 02:18:03,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215927419] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:18:03,389 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:18:03,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:18:03,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823708523] [2021-11-23 02:18:03,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:18:03,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 02:18:03,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:18:03,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 02:18:03,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:18:03,435 INFO L87 Difference]: Start difference. First operand has 168 states, 150 states have (on average 1.68) internal successors, (252), 151 states have internal predecessors, (252), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:18:03,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:18:03,625 INFO L93 Difference]: Finished difference Result 335 states and 563 transitions. [2021-11-23 02:18:03,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 02:18:03,630 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2021-11-23 02:18:03,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:18:03,645 INFO L225 Difference]: With dead ends: 335 [2021-11-23 02:18:03,646 INFO L226 Difference]: Without dead ends: 166 [2021-11-23 02:18:03,656 INFO L932 BasicCegarLoop]: 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 [2021-11-23 02:18:03,660 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:18:03,662 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 182 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:18:03,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2021-11-23 02:18:03,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2021-11-23 02:18:03,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 149 states have (on average 1.395973154362416) internal successors, (208), 149 states have internal predecessors, (208), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-23 02:18:03,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 232 transitions. [2021-11-23 02:18:03,731 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 232 transitions. Word has length 8 [2021-11-23 02:18:03,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:18:03,736 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 232 transitions. [2021-11-23 02:18:03,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:18:03,737 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 232 transitions. [2021-11-23 02:18:03,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 02:18:03,737 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:18:03,738 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:18:03,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:18:03,738 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:18:03,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:18:03,739 INFO L85 PathProgramCache]: Analyzing trace with hash 678897957, now seen corresponding path program 1 times [2021-11-23 02:18:03,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:18:03,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708604953] [2021-11-23 02:18:03,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:18:03,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:18:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 02:18:03,902 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 02:18:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 02:18:04,052 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-23 02:18:04,052 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 02:18:04,054 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 02:18:04,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:18:04,060 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-23 02:18:04,063 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 02:18:04,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:18:04 BoogieIcfgContainer [2021-11-23 02:18:04,137 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 02:18:04,138 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 02:18:04,139 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 02:18:04,139 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 02:18:04,140 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:18:02" (3/4) ... [2021-11-23 02:18:04,144 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 02:18:04,144 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 02:18:04,145 INFO L158 Benchmark]: Toolchain (without parser) took 4063.04ms. Allocated memory was 90.2MB in the beginning and 161.5MB in the end (delta: 71.3MB). Free memory was 49.4MB in the beginning and 77.5MB in the end (delta: -28.1MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2021-11-23 02:18:04,147 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 90.2MB. Free memory was 67.0MB in the beginning and 67.0MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:18:04,148 INFO L158 Benchmark]: CACSL2BoogieTranslator took 723.97ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 49.1MB in the beginning and 70.8MB in the end (delta: -21.6MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2021-11-23 02:18:04,150 INFO L158 Benchmark]: Boogie Procedure Inliner took 114.95ms. Allocated memory is still 113.2MB. Free memory was 70.8MB in the beginning and 63.8MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 02:18:04,151 INFO L158 Benchmark]: Boogie Preprocessor took 162.74ms. Allocated memory is still 113.2MB. Free memory was 63.8MB in the beginning and 56.9MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 02:18:04,153 INFO L158 Benchmark]: RCFGBuilder took 1861.90ms. Allocated memory was 113.2MB in the beginning and 161.5MB in the end (delta: 48.2MB). Free memory was 56.9MB in the beginning and 82.7MB in the end (delta: -25.8MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2021-11-23 02:18:04,155 INFO L158 Benchmark]: TraceAbstraction took 1183.01ms. Allocated memory is still 161.5MB. Free memory was 82.7MB in the beginning and 77.5MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-11-23 02:18:04,155 INFO L158 Benchmark]: Witness Printer took 6.74ms. Allocated memory is still 161.5MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:18:04,159 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 90.2MB. Free memory was 67.0MB in the beginning and 67.0MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 723.97ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 49.1MB in the beginning and 70.8MB in the end (delta: -21.6MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 114.95ms. Allocated memory is still 113.2MB. Free memory was 70.8MB in the beginning and 63.8MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 162.74ms. Allocated memory is still 113.2MB. Free memory was 63.8MB in the beginning and 56.9MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1861.90ms. Allocated memory was 113.2MB in the beginning and 161.5MB in the end (delta: 48.2MB). Free memory was 56.9MB in the beginning and 82.7MB in the end (delta: -25.8MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1183.01ms. Allocated memory is still 161.5MB. Free memory was 82.7MB in the beginning and 77.5MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Witness Printer took 6.74ms. Allocated memory is still 161.5MB. Free memory is still 77.5MB. 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: 631]: 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 14, overapproximation of someUnaryDOUBLEoperation at line 510, overapproximation of bitwiseAnd at line 597, overapproximation of someBinaryArithmeticFLOAToperation at line 602. Possible FailurePath: [L16] static const float huge_floor = 1.0e30; [L93-L95] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L168] static const int init_jk_krempio[] = {4, 7, 9}; [L170-L174] static const float PIo2_krempio[] = { 1.5703125000e+00, 4.5776367188e-04, 2.5987625122e-05, 7.5437128544e-08, 6.0026650317e-11, 7.3896444519e-13, 5.3845816694e-15, 5.6378512969e-18, 8.3009228831e-20, 3.2756352257e-22, 6.3331015649e-25, }; [L176-L178] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L353-L371] static const __int32_t two_over_pi_rempio[] = { 0xA2, 0xF9, 0x83, 0x6E, 0x4E, 0x44, 0x15, 0x29, 0xFC, 0x27, 0x57, 0xD1, 0xF5, 0x34, 0xDD, 0xC0, 0xDB, 0x62, 0x95, 0x99, 0x3C, 0x43, 0x90, 0x41, 0xFE, 0x51, 0x63, 0xAB, 0xDE, 0xBB, 0xC5, 0x61, 0xB7, 0x24, 0x6E, 0x3A, 0x42, 0x4D, 0xD2, 0xE0, 0x06, 0x49, 0x2E, 0xEA, 0x09, 0xD1, 0x92, 0x1C, 0xFE, 0x1D, 0xEB, 0x1C, 0xB1, 0x29, 0xA7, 0x3E, 0xE8, 0x82, 0x35, 0xF5, 0x2E, 0xBB, 0x44, 0x84, 0xE9, 0x9C, 0x70, 0x26, 0xB4, 0x5F, 0x7E, 0x41, 0x39, 0x91, 0xD6, 0x39, 0x83, 0x53, 0x39, 0xF4, 0x9C, 0x84, 0x5F, 0x8B, 0xBD, 0xF9, 0x28, 0x3B, 0x1F, 0xF8, 0x97, 0xFF, 0xDE, 0x05, 0x98, 0x0F, 0xEF, 0x2F, 0x11, 0x8B, 0x5A, 0x0A, 0x6D, 0x1F, 0x6D, 0x36, 0x7E, 0xCF, 0x27, 0xCB, 0x09, 0xB7, 0x4F, 0x46, 0x3F, 0x66, 0x9E, 0x5F, 0xEA, 0x2D, 0x75, 0x27, 0xBA, 0xC7, 0xEB, 0xE5, 0xF1, 0x7B, 0x3D, 0x07, 0x39, 0xF7, 0x8A, 0x52, 0x92, 0xEA, 0x6B, 0xFB, 0x5F, 0xB1, 0x1F, 0x8D, 0x5D, 0x08, 0x56, 0x03, 0x30, 0x46, 0xFC, 0x7B, 0x6B, 0xAB, 0xF0, 0xCF, 0xBC, 0x20, 0x9A, 0xF4, 0x36, 0x1D, 0xA9, 0xE3, 0x91, 0x61, 0x5E, 0xE6, 0x1B, 0x08, 0x65, 0x99, 0x85, 0x5F, 0x14, 0xA0, 0x68, 0x40, 0x8D, 0xFF, 0xD8, 0x80, 0x4D, 0x73, 0x27, 0x31, 0x06, 0x06, 0x15, 0x56, 0xCA, 0x73, 0xA8, 0xC9, 0x60, 0xE2, 0x7B, 0xC0, 0x8C, 0x6B, }; [L373-L379] static const __int32_t npio2_hw_rempio[] = { 0x3fc90f00, 0x40490f00, 0x4096cb00, 0x40c90f00, 0x40fb5300, 0x4116cb00, 0x412fed00, 0x41490f00, 0x41623100, 0x417b5300, 0x418a3a00, 0x4196cb00, 0x41a35c00, 0x41afed00, 0x41bc7e00, 0x41c90f00, 0x41d5a000, 0x41e23100, 0x41eec200, 0x41fb5300, 0x4203f200, 0x420a3a00, 0x42108300, 0x4216cb00, 0x421d1400, 0x42235c00, 0x4229a500, 0x422fed00, 0x42363600, 0x423c7e00, 0x4242c700, 0x42490f00}; [L381-L390] static const float zero_rempio = 0.0000000000e+00, half_rempio = 5.0000000000e-01, two8_rempio = 2.5600000000e+02, invpio2_rempio = 6.3661980629e-01, pio2_1_rempio = 1.5707855225e+00, pio2_1t_rempio = 1.0804334124e-05, pio2_2_rempio = 1.0804273188e-05, pio2_2t_rempio = 6.0770999344e-11, pio2_3_rempio = 6.0770943833e-11, pio2_3t_rempio = 6.1232342629e-17; [L510-L513] static const float half_ksin = 5.0000000000e-01, S1_ksin = -1.6666667163e-01, S2_ksin = 8.3333337680e-03, S3_ksin = -1.9841270114e-04, S4_ksin = 2.7557314297e-06, S5_ksin = -2.5050759689e-08, S6_ksin = 1.5896910177e-10; [L537-L540] static const float one_kcos = 1.0000000000e+00, C1_kcos = 4.1666667908e-02, C2_kcos = -1.3888889225e-03, C3_kcos = 2.4801587642e-05, C4_kcos = -2.7557314297e-07, C5_kcos = 2.0875723372e-09, C6_kcos = -1.1359647598e-11; [L577-L585] static const float one_ktan = 1.0000000000e+00, pio4_ktan = 7.8539812565e-01, pio4lo_ktan = 3.7748947079e-08, T_ktan[] = { 3.3333334327e-01, 1.3333334029e-01, 5.3968254477e-02, 2.1869488060e-02, 8.8632395491e-03, 3.5920790397e-03, 1.4562094584e-03, 5.8804126456e-04, 2.4646313977e-04, 7.8179444245e-05, 7.1407252108e-05, -1.8558637748e-05, 2.5907305826e-05, }; [L626] float x = -1.0f / 0.0f; [L627] CALL, EXPR sin_float(x) [L588] float y[2], z = 0.0; [L589] __int32_t n, ix; VAL [\old(x)=1000000000000000000000000000003, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000003, y={14:0}, z=0, zero_krempio=0, zero_rempio=0] [L592] ieee_float_shape_type gf_u; [L593] gf_u.value = (x) [L594] EXPR gf_u.word [L594] (ix) = gf_u.word [L597] ix &= 0x7fffffff VAL [\old(x)=1000000000000000000000000000003, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000003, y={14:0}, z=0, zero_krempio=0, zero_rempio=0] [L598] COND FALSE !(ix <= 0x3f490fd8) VAL [\old(x)=1000000000000000000000000000003, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000003, y={14:0}, z=0, zero_krempio=0, zero_rempio=0] [L601] COND TRUE !((ix) < 0x7f800000L) [L602] return x - x; [L602] return x - x; VAL [\old(x)=1000000000000000000000000000003, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000003, z=0, zero_krempio=0, zero_rempio=0] [L627] RET, EXPR sin_float(x) [L627] float res = sin_float(x); [L630] CALL, EXPR isnan_float(res) [L14] return x != x; [L630] RET, EXPR isnan_float(res) [L630] COND TRUE !isnan_float(res) [L631] reach_error() VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res=1000000000000000000000000000002, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000003, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 168 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 182 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 182 mSDtfsCounter, 52 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=168occurred 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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 [2021-11-23 02:18:04,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0240b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fe4cb483737b479f22076682c1a65354a17a505c2fbb4375e2545f0b3403ffb9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:18:06,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:18:06,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:18:06,719 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:18:06,720 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:18:06,721 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:18:06,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:18:06,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:18:06,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:18:06,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:18:06,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:18:06,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:18:06,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:18:06,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:18:06,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:18:06,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:18:06,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:18:06,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:18:06,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:18:06,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:18:06,746 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:18:06,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:18:06,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:18:06,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:18:06,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:18:06,755 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:18:06,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:18:06,757 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:18:06,757 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:18:06,759 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:18:06,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:18:06,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:18:06,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:18:06,762 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:18:06,764 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:18:06,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:18:06,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:18:06,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:18:06,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:18:06,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:18:06,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:18:06,770 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 02:18:06,812 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:18:06,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:18:06,817 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:18:06,818 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:18:06,819 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:18:06,819 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:18:06,819 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:18:06,820 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:18:06,820 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:18:06,820 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:18:06,821 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:18:06,821 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:18:06,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:18:06,823 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:18:06,824 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:18:06,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:18:06,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:18:06,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:18:06,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:18:06,825 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 02:18:06,825 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 02:18:06,825 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 02:18:06,826 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:18:06,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:18:06,826 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:18:06,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:18:06,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:18:06,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 02:18:06,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:18:06,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:18:06,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:18:06,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:18:06,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:18:06,829 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 02:18:06,829 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 02:18:06,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:18:06,829 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:18:06,830 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:18:06,830 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_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe4cb483737b479f22076682c1a65354a17a505c2fbb4375e2545f0b3403ffb9 [2021-11-23 02:18:07,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:18:07,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:18:07,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:18:07,252 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:18:07,252 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:18:07,254 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/float-newlib/float_req_bl_0240b.c [2021-11-23 02:18:07,336 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/data/ca6f6a10b/9ccf519801fc4ec1893220a93d929282/FLAG84fdc7676 [2021-11-23 02:18:07,988 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:18:07,988 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/sv-benchmarks/c/float-newlib/float_req_bl_0240b.c [2021-11-23 02:18:08,008 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/data/ca6f6a10b/9ccf519801fc4ec1893220a93d929282/FLAG84fdc7676 [2021-11-23 02:18:08,267 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/data/ca6f6a10b/9ccf519801fc4ec1893220a93d929282 [2021-11-23 02:18:08,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:18:08,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:18:08,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:18:08,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:18:08,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:18:08,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:18:08" (1/1) ... [2021-11-23 02:18:08,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bc0238d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:08, skipping insertion in model container [2021-11-23 02:18:08,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:18:08" (1/1) ... [2021-11-23 02:18:08,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:18:08,327 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:18:08,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/sv-benchmarks/c/float-newlib/float_req_bl_0240b.c[15877,15890] [2021-11-23 02:18:08,731 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:18:08,785 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:18:08,929 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/sv-benchmarks/c/float-newlib/float_req_bl_0240b.c[15877,15890] [2021-11-23 02:18:08,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:18:08,975 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:18:08,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:08 WrapperNode [2021-11-23 02:18:08,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:18:08,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:18:08,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:18:08,978 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:18:08,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:08" (1/1) ... [2021-11-23 02:18:09,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:08" (1/1) ... [2021-11-23 02:18:09,122 INFO L137 Inliner]: procedures = 30, calls = 495, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1137 [2021-11-23 02:18:09,125 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:18:09,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:18:09,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:18:09,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:18:09,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:08" (1/1) ... [2021-11-23 02:18:09,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:08" (1/1) ... [2021-11-23 02:18:09,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:08" (1/1) ... [2021-11-23 02:18:09,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:08" (1/1) ... [2021-11-23 02:18:09,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:08" (1/1) ... [2021-11-23 02:18:09,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:08" (1/1) ... [2021-11-23 02:18:09,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:08" (1/1) ... [2021-11-23 02:18:09,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:18:09,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:18:09,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:18:09,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:18:09,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:08" (1/1) ... [2021-11-23 02:18:09,288 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:18:09,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:18:09,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:18:09,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:18:09,377 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2021-11-23 02:18:09,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2021-11-23 02:18:09,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:18:09,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 02:18:09,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 02:18:09,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:18:09,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-23 02:18:09,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 02:18:09,379 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2021-11-23 02:18:09,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2021-11-23 02:18:09,379 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2021-11-23 02:18:09,379 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2021-11-23 02:18:09,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-11-23 02:18:09,379 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2021-11-23 02:18:09,380 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2021-11-23 02:18:09,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-11-23 02:18:09,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:18:09,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:18:09,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 02:18:09,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:18:09,598 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:18:09,609 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:18:46,673 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:18:46,685 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:18:46,685 INFO L301 CfgBuilder]: Removed 59 assume(true) statements. [2021-11-23 02:18:46,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:18:46 BoogieIcfgContainer [2021-11-23 02:18:46,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:18:46,690 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:18:46,690 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:18:46,693 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:18:46,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:18:08" (1/3) ... [2021-11-23 02:18:46,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f89e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:18:46, skipping insertion in model container [2021-11-23 02:18:46,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:08" (2/3) ... [2021-11-23 02:18:46,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f89e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:18:46, skipping insertion in model container [2021-11-23 02:18:46,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:18:46" (3/3) ... [2021-11-23 02:18:46,696 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0240b.c [2021-11-23 02:18:46,702 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:18:46,702 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:18:46,757 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:18:46,764 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:18:46,764 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:18:46,792 INFO L276 IsEmpty]: Start isEmpty. Operand has 245 states, 227 states have (on average 1.6607929515418502) internal successors, (377), 228 states have internal predecessors, (377), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-23 02:18:46,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 02:18:46,799 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:18:46,800 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:18:46,800 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:18:46,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:18:46,810 INFO L85 PathProgramCache]: Analyzing trace with hash -709379349, now seen corresponding path program 1 times [2021-11-23 02:18:46,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:18:46,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1447043980] [2021-11-23 02:18:46,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:18:46,829 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:18:46,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:18:46,836 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:18:46,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 02:18:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:18:48,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 02:18:48,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:18:48,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:18:48,944 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:18:48,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:18:48,996 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 02:18:48,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1447043980] [2021-11-23 02:18:48,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1447043980] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 02:18:48,997 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:18:48,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-23 02:18:48,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188462065] [2021-11-23 02:18:49,000 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 02:18:49,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 02:18:49,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 02:18:49,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 02:18:49,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:18:49,057 INFO L87 Difference]: Start difference. First operand has 245 states, 227 states have (on average 1.6607929515418502) internal successors, (377), 228 states have internal predecessors, (377), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) 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) [2021-11-23 02:18:49,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:18:49,151 INFO L93 Difference]: Finished difference Result 488 states and 812 transitions. [2021-11-23 02:18:49,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 02:18:49,153 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 [2021-11-23 02:18:49,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:18:49,177 INFO L225 Difference]: With dead ends: 488 [2021-11-23 02:18:49,177 INFO L226 Difference]: Without dead ends: 242 [2021-11-23 02:18:49,187 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:18:49,194 INFO L933 BasicCegarLoop]: 341 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, 341 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:18:49,199 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:18:49,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2021-11-23 02:18:49,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2021-11-23 02:18:49,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 225 states have (on average 1.3955555555555557) internal successors, (314), 225 states have internal predecessors, (314), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-23 02:18:49,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 338 transitions. [2021-11-23 02:18:49,290 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 338 transitions. Word has length 10 [2021-11-23 02:18:49,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:18:49,291 INFO L470 AbstractCegarLoop]: Abstraction has 242 states and 338 transitions. [2021-11-23 02:18:49,292 INFO L471 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) [2021-11-23 02:18:49,292 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 338 transitions. [2021-11-23 02:18:49,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 02:18:49,294 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:18:49,294 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:18:49,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 02:18:49,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 02:18:49,521 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:18:49,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:18:49,522 INFO L85 PathProgramCache]: Analyzing trace with hash 759304673, now seen corresponding path program 1 times [2021-11-23 02:18:49,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:18:49,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1141738836] [2021-11-23 02:18:49,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:18:49,523 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:18:49,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:18:49,525 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:18:49,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-23 02:18:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:18:51,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 02:18:51,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:18:51,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:18:51,788 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:18:52,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:18:52,595 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 02:18:52,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1141738836] [2021-11-23 02:18:52,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1141738836] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 02:18:52,596 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:18:52,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-23 02:18:52,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028072617] [2021-11-23 02:18:52,596 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 02:18:52,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 02:18:52,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 02:18:52,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 02:18:52,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-23 02:18:52,599 INFO L87 Difference]: Start difference. First operand 242 states and 338 transitions. Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:18:54,652 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:18:56,665 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:18:59,393 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:19:01,726 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:19:03,732 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:19:05,735 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:19:07,887 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:19:09,893 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:19:11,897 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:19:14,086 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:19:15,410 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:19:17,595 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:19:20,016 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:19:22,128 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:19:24,790 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:19:27,425 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:19:29,429 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:19:31,434 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:19:33,620 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:19:35,624 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:19:37,628 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:19:39,753 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:19:41,756 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:19:43,761 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:19:46,023 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:19:48,432 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:19:50,436 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:19:52,440 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:19:54,606 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:19:56,566 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:20:01,839 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:20:03,172 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:20:07,409 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:20:09,385 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 02:20:13,264 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:20:14,766 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:20:18,442 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:20:20,528 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:20:22,033 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:20:28,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:20:28,861 INFO L93 Difference]: Finished difference Result 438 states and 616 transitions. [2021-11-23 02:20:28,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 02:20:28,869 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 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 [2021-11-23 02:20:28,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:20:28,875 INFO L225 Difference]: With dead ends: 438 [2021-11-23 02:20:28,875 INFO L226 Difference]: Without dead ends: 433 [2021-11-23 02:20:28,876 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-11-23 02:20:28,877 INFO L933 BasicCegarLoop]: 283 mSDtfsCounter, 288 mSDsluCounter, 1839 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 9 mSolverCounterUnsat, 28 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 94.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 2122 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 28 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 95.9s IncrementalHoareTripleChecker+Time [2021-11-23 02:20:28,877 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [302 Valid, 2122 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 457 Invalid, 28 Unknown, 0 Unchecked, 95.9s Time] [2021-11-23 02:20:28,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2021-11-23 02:20:28,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 242. [2021-11-23 02:20:28,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 225 states have (on average 1.3911111111111112) internal successors, (313), 225 states have internal predecessors, (313), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-23 02:20:28,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 337 transitions. [2021-11-23 02:20:28,904 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 337 transitions. Word has length 11 [2021-11-23 02:20:28,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:20:28,904 INFO L470 AbstractCegarLoop]: Abstraction has 242 states and 337 transitions. [2021-11-23 02:20:28,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:20:28,905 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 337 transitions. [2021-11-23 02:20:28,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 02:20:28,912 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:20:28,912 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:20:28,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-23 02:20:29,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 02:20:29,115 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:20:29,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:20:29,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1840153707, now seen corresponding path program 1 times [2021-11-23 02:20:29,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:20:29,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [917196497] [2021-11-23 02:20:29,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:20:29,117 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:20:29,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:20:29,124 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:20:29,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-23 02:20:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:20:30,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 02:20:30,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:20:31,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:20:31,365 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:20:31,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:20:31,736 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 02:20:31,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [917196497] [2021-11-23 02:20:31,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [917196497] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 02:20:31,736 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:20:31,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-23 02:20:31,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422936242] [2021-11-23 02:20:31,737 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 02:20:31,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 02:20:31,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 02:20:31,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 02:20:31,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-23 02:20:31,739 INFO L87 Difference]: Start difference. First operand 242 states and 337 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:20:31,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:20:31,772 INFO L93 Difference]: Finished difference Result 257 states and 353 transitions. [2021-11-23 02:20:31,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:20:31,774 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2021-11-23 02:20:31,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:20:31,776 INFO L225 Difference]: With dead ends: 257 [2021-11-23 02:20:31,776 INFO L226 Difference]: Without dead ends: 240 [2021-11-23 02:20:31,777 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-23 02:20:31,778 INFO L933 BasicCegarLoop]: 330 mSDtfsCounter, 0 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 987 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:20:31,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 987 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 4 Unchecked, 0.0s Time] [2021-11-23 02:20:31,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2021-11-23 02:20:31,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2021-11-23 02:20:31,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 224 states have (on average 1.3883928571428572) internal successors, (311), 224 states have internal predecessors, (311), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-23 02:20:31,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 333 transitions. [2021-11-23 02:20:31,799 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 333 transitions. Word has length 20 [2021-11-23 02:20:31,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:20:31,800 INFO L470 AbstractCegarLoop]: Abstraction has 240 states and 333 transitions. [2021-11-23 02:20:31,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:20:31,800 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 333 transitions. [2021-11-23 02:20:31,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 02:20:31,802 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:20:31,802 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:20:31,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-23 02:20:32,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 02:20:32,003 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:20:32,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:20:32,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1362280166, now seen corresponding path program 1 times [2021-11-23 02:20:32,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:20:32,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [85374754] [2021-11-23 02:20:32,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:20:32,005 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:20:32,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:20:32,008 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:20:32,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-23 02:20:33,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:20:33,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 02:20:33,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:20:34,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:20:34,198 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:20:34,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:20:34,592 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 02:20:34,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [85374754] [2021-11-23 02:20:34,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [85374754] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 02:20:34,592 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:20:34,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-23 02:20:34,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116043617] [2021-11-23 02:20:34,593 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 02:20:34,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 02:20:34,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 02:20:34,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 02:20:34,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-23 02:20:34,595 INFO L87 Difference]: Start difference. First operand 240 states and 333 transitions. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:20:34,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:20:34,612 INFO L93 Difference]: Finished difference Result 240 states and 333 transitions. [2021-11-23 02:20:34,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:20:34,614 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 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 21 [2021-11-23 02:20:34,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:20:34,614 INFO L225 Difference]: With dead ends: 240 [2021-11-23 02:20:34,615 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 02:20:34,616 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-23 02:20:34,617 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:20:34,617 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 4 Unchecked, 0.0s Time] [2021-11-23 02:20:34,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 02:20:34,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 02:20:34,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:20:34,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 02:20:34,619 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2021-11-23 02:20:34,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:20:34,620 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 02:20:34,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:20:34,620 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 02:20:34,620 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 02:20:34,623 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 02:20:34,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-23 02:20:34,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 02:20:34,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 02:20:35,203 INFO L858 garLoopResultBuilder]: For program point L545-1(lines 545 549) no Hoare annotation was computed. [2021-11-23 02:20:35,203 INFO L861 garLoopResultBuilder]: At program point L545-2(lines 545 549) the Hoare annotation is: true [2021-11-23 02:20:35,203 INFO L858 garLoopResultBuilder]: For program point L545-3(lines 545 549) no Hoare annotation was computed. [2021-11-23 02:20:35,203 INFO L858 garLoopResultBuilder]: For program point L562(lines 562 570) no Hoare annotation was computed. [2021-11-23 02:20:35,203 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 553) no Hoare annotation was computed. [2021-11-23 02:20:35,203 INFO L861 garLoopResultBuilder]: At program point __kernel_cosfENTRY(lines 542 575) the Hoare annotation is: true [2021-11-23 02:20:35,204 INFO L858 garLoopResultBuilder]: For program point __kernel_cosfFINAL(lines 542 575) no Hoare annotation was computed. [2021-11-23 02:20:35,204 INFO L858 garLoopResultBuilder]: For program point L565-1(lines 565 569) no Hoare annotation was computed. [2021-11-23 02:20:35,204 INFO L861 garLoopResultBuilder]: At program point L565-2(lines 565 569) the Hoare annotation is: true [2021-11-23 02:20:35,204 INFO L858 garLoopResultBuilder]: For program point L565-3(lines 562 570) no Hoare annotation was computed. [2021-11-23 02:20:35,204 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 574) no Hoare annotation was computed. [2021-11-23 02:20:35,204 INFO L858 garLoopResultBuilder]: For program point L551(lines 551 554) no Hoare annotation was computed. [2021-11-23 02:20:35,204 INFO L858 garLoopResultBuilder]: For program point L551-2(lines 551 554) no Hoare annotation was computed. [2021-11-23 02:20:35,204 INFO L858 garLoopResultBuilder]: For program point __kernel_cosfEXIT(lines 542 575) no Hoare annotation was computed. [2021-11-23 02:20:35,204 INFO L858 garLoopResultBuilder]: For program point copysign_floatEXIT(lines 73 91) no Hoare annotation was computed. [2021-11-23 02:20:35,204 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 89) no Hoare annotation was computed. [2021-11-23 02:20:35,205 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 73 91) no Hoare annotation was computed. [2021-11-23 02:20:35,205 INFO L858 garLoopResultBuilder]: For program point L85-2(lines 85 89) no Hoare annotation was computed. [2021-11-23 02:20:35,205 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 75 79) no Hoare annotation was computed. [2021-11-23 02:20:35,205 INFO L861 garLoopResultBuilder]: At program point L75-2(lines 75 79) the Hoare annotation is: true [2021-11-23 02:20:35,205 INFO L861 garLoopResultBuilder]: At program point copysign_floatENTRY(lines 73 91) the Hoare annotation is: true [2021-11-23 02:20:35,205 INFO L858 garLoopResultBuilder]: For program point L80(lines 80 84) no Hoare annotation was computed. [2021-11-23 02:20:35,205 INFO L858 garLoopResultBuilder]: For program point L80-1(lines 73 91) no Hoare annotation was computed. [2021-11-23 02:20:35,205 INFO L858 garLoopResultBuilder]: For program point copysign_floatFINAL(lines 73 91) no Hoare annotation was computed. [2021-11-23 02:20:35,206 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 534) no Hoare annotation was computed. [2021-11-23 02:20:35,206 INFO L858 garLoopResultBuilder]: For program point __kernel_sinfEXIT(lines 515 535) no Hoare annotation was computed. [2021-11-23 02:20:35,206 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 526) no Hoare annotation was computed. [2021-11-23 02:20:35,206 INFO L861 garLoopResultBuilder]: At program point __kernel_sinfENTRY(lines 515 535) the Hoare annotation is: true [2021-11-23 02:20:35,207 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 527) no Hoare annotation was computed. [2021-11-23 02:20:35,207 INFO L858 garLoopResultBuilder]: For program point L524-2(lines 524 527) no Hoare annotation was computed. [2021-11-23 02:20:35,207 INFO L858 garLoopResultBuilder]: For program point L518-1(lines 518 522) no Hoare annotation was computed. [2021-11-23 02:20:35,207 INFO L861 garLoopResultBuilder]: At program point L518-2(lines 518 522) the Hoare annotation is: true [2021-11-23 02:20:35,207 INFO L858 garLoopResultBuilder]: For program point __kernel_sinfFINAL(lines 515 535) no Hoare annotation was computed. [2021-11-23 02:20:35,208 INFO L858 garLoopResultBuilder]: For program point L518-3(lines 518 522) no Hoare annotation was computed. [2021-11-23 02:20:35,208 INFO L858 garLoopResultBuilder]: For program point L630(lines 630 633) no Hoare annotation was computed. [2021-11-23 02:20:35,208 INFO L858 garLoopResultBuilder]: For program point L333-2(lines 333 337) no Hoare annotation was computed. [2021-11-23 02:20:35,208 INFO L858 garLoopResultBuilder]: For program point L234(lines 234 240) no Hoare annotation was computed. [2021-11-23 02:20:35,208 INFO L854 garLoopResultBuilder]: At program point L333-3(lines 333 337) the Hoare annotation is: false [2021-11-23 02:20:35,209 INFO L858 garLoopResultBuilder]: For program point L267-2(lines 267 272) no Hoare annotation was computed. [2021-11-23 02:20:35,209 INFO L858 garLoopResultBuilder]: For program point L333-4(lines 333 337) no Hoare annotation was computed. [2021-11-23 02:20:35,209 INFO L854 garLoopResultBuilder]: At program point L267-3(lines 267 272) the Hoare annotation is: false [2021-11-23 02:20:35,209 INFO L858 garLoopResultBuilder]: For program point L267-4(lines 267 272) no Hoare annotation was computed. [2021-11-23 02:20:35,209 INFO L858 garLoopResultBuilder]: For program point L631(line 631) no Hoare annotation was computed. [2021-11-23 02:20:35,210 INFO L858 garLoopResultBuilder]: For program point L598(lines 598 616) no Hoare annotation was computed. [2021-11-23 02:20:35,210 INFO L858 garLoopResultBuilder]: For program point L499-1(lines 499 500) no Hoare annotation was computed. [2021-11-23 02:20:35,210 INFO L854 garLoopResultBuilder]: At program point L499-3(lines 499 500) the Hoare annotation is: false [2021-11-23 02:20:35,210 INFO L858 garLoopResultBuilder]: For program point L499-4(lines 499 500) no Hoare annotation was computed. [2021-11-23 02:20:35,210 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 238) no Hoare annotation was computed. [2021-11-23 02:20:35,210 INFO L854 garLoopResultBuilder]: At program point L599(line 599) the Hoare annotation is: false [2021-11-23 02:20:35,211 INFO L858 garLoopResultBuilder]: For program point L599-1(line 599) no Hoare annotation was computed. [2021-11-23 02:20:35,211 INFO L858 garLoopResultBuilder]: For program point L434(lines 434 480) no Hoare annotation was computed. [2021-11-23 02:20:35,211 INFO L858 garLoopResultBuilder]: For program point L269-2(lines 269 270) no Hoare annotation was computed. [2021-11-23 02:20:35,211 INFO L854 garLoopResultBuilder]: At program point L269-3(lines 269 270) the Hoare annotation is: false [2021-11-23 02:20:35,211 INFO L858 garLoopResultBuilder]: For program point L269-4(lines 269 270) no Hoare annotation was computed. [2021-11-23 02:20:35,212 INFO L858 garLoopResultBuilder]: For program point L303-2(lines 303 307) no Hoare annotation was computed. [2021-11-23 02:20:35,212 INFO L854 garLoopResultBuilder]: At program point L303-3(lines 303 307) the Hoare annotation is: false [2021-11-23 02:20:35,212 INFO L858 garLoopResultBuilder]: For program point L303-4(lines 303 307) no Hoare annotation was computed. [2021-11-23 02:20:35,212 INFO L858 garLoopResultBuilder]: For program point L39(lines 39 40) no Hoare annotation was computed. [2021-11-23 02:20:35,212 INFO L861 garLoopResultBuilder]: At program point L634(lines 619 635) the Hoare annotation is: true [2021-11-23 02:20:35,212 INFO L858 garLoopResultBuilder]: For program point L601(lines 601 616) no Hoare annotation was computed. [2021-11-23 02:20:35,212 INFO L858 garLoopResultBuilder]: For program point L502(lines 502 506) no Hoare annotation was computed. [2021-11-23 02:20:35,212 INFO L858 garLoopResultBuilder]: For program point L304-2(lines 304 305) no Hoare annotation was computed. [2021-11-23 02:20:35,213 INFO L854 garLoopResultBuilder]: At program point L304-3(lines 304 305) the Hoare annotation is: false [2021-11-23 02:20:35,213 INFO L858 garLoopResultBuilder]: For program point L304-4(lines 304 305) no Hoare annotation was computed. [2021-11-23 02:20:35,213 INFO L858 garLoopResultBuilder]: For program point L404(lines 404 408) no Hoare annotation was computed. [2021-11-23 02:20:35,213 INFO L858 garLoopResultBuilder]: For program point L338-2(lines 338 339) no Hoare annotation was computed. [2021-11-23 02:20:35,213 INFO L854 garLoopResultBuilder]: At program point L338-3(lines 338 339) the Hoare annotation is: false [2021-11-23 02:20:35,213 INFO L858 garLoopResultBuilder]: For program point L338-4(lines 309 349) no Hoare annotation was computed. [2021-11-23 02:20:35,213 INFO L858 garLoopResultBuilder]: For program point L41(lines 41 45) no Hoare annotation was computed. [2021-11-23 02:20:35,213 INFO L858 garLoopResultBuilder]: For program point L42(lines 42 43) no Hoare annotation was computed. [2021-11-23 02:20:35,213 INFO L858 garLoopResultBuilder]: For program point L42-2(lines 42 43) no Hoare annotation was computed. [2021-11-23 02:20:35,213 INFO L854 garLoopResultBuilder]: At program point L274(lines 181 351) the Hoare annotation is: false [2021-11-23 02:20:35,214 INFO L858 garLoopResultBuilder]: For program point L208-2(lines 208 212) no Hoare annotation was computed. [2021-11-23 02:20:35,214 INFO L854 garLoopResultBuilder]: At program point L208-3(lines 208 212) the Hoare annotation is: false [2021-11-23 02:20:35,214 INFO L854 garLoopResultBuilder]: At program point L208-4(lines 208 212) the Hoare annotation is: false [2021-11-23 02:20:35,214 INFO L858 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2021-11-23 02:20:35,214 INFO L858 garLoopResultBuilder]: For program point L440-2(lines 440 472) no Hoare annotation was computed. [2021-11-23 02:20:35,215 INFO L858 garLoopResultBuilder]: For program point L242-1(lines 229 257) no Hoare annotation was computed. [2021-11-23 02:20:35,215 INFO L858 garLoopResultBuilder]: For program point L606(lines 606 615) no Hoare annotation was computed. [2021-11-23 02:20:35,215 INFO L854 garLoopResultBuilder]: At program point L507(lines 392 508) the Hoare annotation is: false [2021-11-23 02:20:35,215 INFO L858 garLoopResultBuilder]: For program point L474(lines 474 479) no Hoare annotation was computed. [2021-11-23 02:20:35,215 INFO L854 garLoopResultBuilder]: At program point L309(lines 309 349) the Hoare annotation is: false [2021-11-23 02:20:35,216 INFO L854 garLoopResultBuilder]: At program point L243(lines 243 250) the Hoare annotation is: false [2021-11-23 02:20:35,216 INFO L858 garLoopResultBuilder]: For program point L607(line 607) no Hoare annotation was computed. [2021-11-23 02:20:35,216 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 433) no Hoare annotation was computed. [2021-11-23 02:20:35,216 INFO L858 garLoopResultBuilder]: For program point L310(line 310) no Hoare annotation was computed. [2021-11-23 02:20:35,217 INFO L858 garLoopResultBuilder]: For program point L244(line 244) no Hoare annotation was computed. [2021-11-23 02:20:35,217 INFO L854 garLoopResultBuilder]: At program point L608(line 608) the Hoare annotation is: false [2021-11-23 02:20:35,217 INFO L858 garLoopResultBuilder]: For program point L608-1(line 608) no Hoare annotation was computed. [2021-11-23 02:20:35,217 INFO L858 garLoopResultBuilder]: For program point L410(lines 410 432) no Hoare annotation was computed. [2021-11-23 02:20:35,217 INFO L854 garLoopResultBuilder]: At program point L14(line 14) the Hoare annotation is: (and (= |ULTIMATE.start_sin_float_~x#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (= |ULTIMATE.start_sin_float_#res#1| (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse0 .cse0))) (= currentRoundingMode roundNearestTiesToEven) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res#1|)) [2021-11-23 02:20:35,218 INFO L858 garLoopResultBuilder]: For program point L609(line 609) no Hoare annotation was computed. [2021-11-23 02:20:35,218 INFO L858 garLoopResultBuilder]: For program point L312-2(lines 312 313) no Hoare annotation was computed. [2021-11-23 02:20:35,218 INFO L854 garLoopResultBuilder]: At program point L312-3(lines 312 313) the Hoare annotation is: false [2021-11-23 02:20:35,218 INFO L858 garLoopResultBuilder]: For program point L312-4(lines 309 349) no Hoare annotation was computed. [2021-11-23 02:20:35,218 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 51) no Hoare annotation was computed. [2021-11-23 02:20:35,219 INFO L854 garLoopResultBuilder]: At program point L610(line 610) the Hoare annotation is: false [2021-11-23 02:20:35,219 INFO L858 garLoopResultBuilder]: For program point L610-1(line 610) no Hoare annotation was computed. [2021-11-23 02:20:35,219 INFO L858 garLoopResultBuilder]: For program point L412(lines 412 419) no Hoare annotation was computed. [2021-11-23 02:20:35,219 INFO L858 garLoopResultBuilder]: For program point L412-2(lines 412 419) no Hoare annotation was computed. [2021-11-23 02:20:35,220 INFO L858 garLoopResultBuilder]: For program point L247(line 247) no Hoare annotation was computed. [2021-11-23 02:20:35,220 INFO L858 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-11-23 02:20:35,220 INFO L858 garLoopResultBuilder]: For program point L611(line 611) no Hoare annotation was computed. [2021-11-23 02:20:35,220 INFO L858 garLoopResultBuilder]: For program point L446-1(lines 446 450) no Hoare annotation was computed. [2021-11-23 02:20:35,220 INFO L854 garLoopResultBuilder]: At program point L446-2(lines 446 450) the Hoare annotation is: false [2021-11-23 02:20:35,221 INFO L858 garLoopResultBuilder]: For program point L446-3(lines 446 450) no Hoare annotation was computed. [2021-11-23 02:20:35,221 INFO L858 garLoopResultBuilder]: For program point L314-1(line 314) no Hoare annotation was computed. [2021-11-23 02:20:35,221 INFO L858 garLoopResultBuilder]: For program point L281-1(lines 281 284) no Hoare annotation was computed. [2021-11-23 02:20:35,221 INFO L854 garLoopResultBuilder]: At program point L281-3(lines 281 284) the Hoare annotation is: false [2021-11-23 02:20:35,221 INFO L854 garLoopResultBuilder]: At program point L612(line 612) the Hoare annotation is: false [2021-11-23 02:20:35,222 INFO L858 garLoopResultBuilder]: For program point L612-1(line 612) no Hoare annotation was computed. [2021-11-23 02:20:35,222 INFO L858 garLoopResultBuilder]: For program point L613(line 613) no Hoare annotation was computed. [2021-11-23 02:20:35,222 INFO L858 garLoopResultBuilder]: For program point L316(line 316) no Hoare annotation was computed. [2021-11-23 02:20:35,222 INFO L858 garLoopResultBuilder]: For program point L316-2(line 316) no Hoare annotation was computed. [2021-11-23 02:20:35,222 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 151 155) no Hoare annotation was computed. [2021-11-23 02:20:35,223 INFO L854 garLoopResultBuilder]: At program point L151-2(lines 151 155) the Hoare annotation is: false [2021-11-23 02:20:35,223 INFO L854 garLoopResultBuilder]: At program point L614(line 614) the Hoare annotation is: false [2021-11-23 02:20:35,223 INFO L858 garLoopResultBuilder]: For program point L614-1(line 614) no Hoare annotation was computed. [2021-11-23 02:20:35,223 INFO L858 garLoopResultBuilder]: For program point L482(lines 482 485) no Hoare annotation was computed. [2021-11-23 02:20:35,223 INFO L854 garLoopResultBuilder]: At program point L350(lines 180 351) the Hoare annotation is: false [2021-11-23 02:20:35,224 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-23 02:20:35,224 INFO L858 garLoopResultBuilder]: For program point L317(line 317) no Hoare annotation was computed. [2021-11-23 02:20:35,224 INFO L858 garLoopResultBuilder]: For program point L53(lines 53 57) no Hoare annotation was computed. [2021-11-23 02:20:35,224 INFO L858 garLoopResultBuilder]: For program point L53-1(lines 18 59) no Hoare annotation was computed. [2021-11-23 02:20:35,224 INFO L858 garLoopResultBuilder]: For program point L53-2(lines 53 57) no Hoare annotation was computed. [2021-11-23 02:20:35,225 INFO L858 garLoopResultBuilder]: For program point L219(lines 219 227) no Hoare annotation was computed. [2021-11-23 02:20:35,225 INFO L858 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2021-11-23 02:20:35,225 INFO L854 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: false [2021-11-23 02:20:35,225 INFO L858 garLoopResultBuilder]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2021-11-23 02:20:35,225 INFO L854 garLoopResultBuilder]: At program point L286(line 286) the Hoare annotation is: false [2021-11-23 02:20:35,226 INFO L858 garLoopResultBuilder]: For program point L286-1(line 286) no Hoare annotation was computed. [2021-11-23 02:20:35,226 INFO L858 garLoopResultBuilder]: For program point L319-2(lines 319 320) no Hoare annotation was computed. [2021-11-23 02:20:35,226 INFO L854 garLoopResultBuilder]: At program point L319-3(lines 319 320) the Hoare annotation is: false [2021-11-23 02:20:35,226 INFO L858 garLoopResultBuilder]: For program point L319-4(lines 309 349) no Hoare annotation was computed. [2021-11-23 02:20:35,226 INFO L858 garLoopResultBuilder]: For program point L452(lines 452 471) no Hoare annotation was computed. [2021-11-23 02:20:35,227 INFO L858 garLoopResultBuilder]: For program point L452-1(lines 440 472) no Hoare annotation was computed. [2021-11-23 02:20:35,227 INFO L858 garLoopResultBuilder]: For program point L287(lines 287 294) no Hoare annotation was computed. [2021-11-23 02:20:35,227 INFO L858 garLoopResultBuilder]: For program point L254(lines 254 255) no Hoare annotation was computed. [2021-11-23 02:20:35,227 INFO L854 garLoopResultBuilder]: At program point L287-2(lines 278 295) the Hoare annotation is: false [2021-11-23 02:20:35,227 INFO L858 garLoopResultBuilder]: For program point L321-1(line 321) no Hoare annotation was computed. [2021-11-23 02:20:35,228 INFO L854 garLoopResultBuilder]: At program point L255(line 255) the Hoare annotation is: false [2021-11-23 02:20:35,228 INFO L858 garLoopResultBuilder]: For program point L255-1(line 255) no Hoare annotation was computed. [2021-11-23 02:20:35,228 INFO L858 garLoopResultBuilder]: For program point L156(lines 156 160) no Hoare annotation was computed. [2021-11-23 02:20:35,228 INFO L858 garLoopResultBuilder]: For program point L156-1(lines 149 162) no Hoare annotation was computed. [2021-11-23 02:20:35,228 INFO L858 garLoopResultBuilder]: For program point L156-2(lines 156 160) no Hoare annotation was computed. [2021-11-23 02:20:35,229 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 02:20:35,229 INFO L858 garLoopResultBuilder]: For program point L190(lines 190 191) no Hoare annotation was computed. [2021-11-23 02:20:35,229 INFO L858 garLoopResultBuilder]: For program point L190-2(lines 190 191) no Hoare annotation was computed. [2021-11-23 02:20:35,229 INFO L854 garLoopResultBuilder]: At program point L58(lines 18 59) the Hoare annotation is: false [2021-11-23 02:20:35,229 INFO L854 garLoopResultBuilder]: At program point L587(lines 587 617) the Hoare annotation is: (and (= |ULTIMATE.start_sin_float_~x#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (= |ULTIMATE.start_sin_float_#res#1| (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse0 .cse0))) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-23 02:20:35,230 INFO L858 garLoopResultBuilder]: For program point L488-1(lines 488 492) no Hoare annotation was computed. [2021-11-23 02:20:35,230 INFO L854 garLoopResultBuilder]: At program point L488-2(lines 488 492) the Hoare annotation is: false [2021-11-23 02:20:35,230 INFO L858 garLoopResultBuilder]: For program point L488-3(lines 488 492) no Hoare annotation was computed. [2021-11-23 02:20:35,230 INFO L858 garLoopResultBuilder]: For program point L323-2(lines 323 324) no Hoare annotation was computed. [2021-11-23 02:20:35,230 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 227) no Hoare annotation was computed. [2021-11-23 02:20:35,231 INFO L854 garLoopResultBuilder]: At program point L323-3(lines 323 324) the Hoare annotation is: false [2021-11-23 02:20:35,231 INFO L858 garLoopResultBuilder]: For program point L323-4(lines 309 349) no Hoare annotation was computed. [2021-11-23 02:20:35,231 INFO L858 garLoopResultBuilder]: For program point L423(lines 423 430) no Hoare annotation was computed. [2021-11-23 02:20:35,231 INFO L858 garLoopResultBuilder]: For program point L423-2(lines 423 430) no Hoare annotation was computed. [2021-11-23 02:20:35,231 INFO L858 garLoopResultBuilder]: For program point L325-1(line 325) no Hoare annotation was computed. [2021-11-23 02:20:35,232 INFO L858 garLoopResultBuilder]: For program point L226(lines 226 227) no Hoare annotation was computed. [2021-11-23 02:20:35,232 INFO L858 garLoopResultBuilder]: For program point L259-1(lines 181 351) no Hoare annotation was computed. [2021-11-23 02:20:35,232 INFO L858 garLoopResultBuilder]: For program point L226-2(lines 181 351) no Hoare annotation was computed. [2021-11-23 02:20:35,232 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-23 02:20:35,232 INFO L858 garLoopResultBuilder]: For program point L28(lines 28 52) no Hoare annotation was computed. [2021-11-23 02:20:35,232 INFO L858 garLoopResultBuilder]: For program point L458-1(lines 458 462) no Hoare annotation was computed. [2021-11-23 02:20:35,232 INFO L854 garLoopResultBuilder]: At program point L458-2(lines 458 462) the Hoare annotation is: false [2021-11-23 02:20:35,232 INFO L858 garLoopResultBuilder]: For program point L458-3(lines 458 462) no Hoare annotation was computed. [2021-11-23 02:20:35,233 INFO L854 garLoopResultBuilder]: At program point L161(lines 149 162) the Hoare annotation is: false [2021-11-23 02:20:35,233 INFO L858 garLoopResultBuilder]: For program point L29(lines 29 46) no Hoare annotation was computed. [2021-11-23 02:20:35,233 INFO L858 garLoopResultBuilder]: For program point L591-1(lines 591 595) no Hoare annotation was computed. [2021-11-23 02:20:35,233 INFO L854 garLoopResultBuilder]: At program point L591-2(lines 591 595) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_sin_float_~x#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-23 02:20:35,233 INFO L858 garLoopResultBuilder]: For program point L591-3(lines 591 595) no Hoare annotation was computed. [2021-11-23 02:20:35,233 INFO L858 garLoopResultBuilder]: For program point L327(line 327) no Hoare annotation was computed. [2021-11-23 02:20:35,233 INFO L858 garLoopResultBuilder]: For program point L261-2(lines 261 262) no Hoare annotation was computed. [2021-11-23 02:20:35,233 INFO L854 garLoopResultBuilder]: At program point L261-3(lines 261 262) the Hoare annotation is: false [2021-11-23 02:20:35,233 INFO L858 garLoopResultBuilder]: For program point L261-4(lines 259 276) no Hoare annotation was computed. [2021-11-23 02:20:35,233 INFO L858 garLoopResultBuilder]: For program point L30(lines 30 36) no Hoare annotation was computed. [2021-11-23 02:20:35,233 INFO L858 garLoopResultBuilder]: For program point L493-2(lines 493 496) no Hoare annotation was computed. [2021-11-23 02:20:35,234 INFO L854 garLoopResultBuilder]: At program point L493-3(lines 493 496) the Hoare annotation is: false [2021-11-23 02:20:35,234 INFO L858 garLoopResultBuilder]: For program point L493-4(lines 493 496) no Hoare annotation was computed. [2021-11-23 02:20:35,234 INFO L858 garLoopResultBuilder]: For program point L328-2(lines 328 332) no Hoare annotation was computed. [2021-11-23 02:20:35,234 INFO L858 garLoopResultBuilder]: For program point L229(lines 181 351) no Hoare annotation was computed. [2021-11-23 02:20:35,234 INFO L854 garLoopResultBuilder]: At program point L328-3(lines 328 332) the Hoare annotation is: false [2021-11-23 02:20:35,234 INFO L858 garLoopResultBuilder]: For program point L328-4(lines 328 332) no Hoare annotation was computed. [2021-11-23 02:20:35,234 INFO L858 garLoopResultBuilder]: For program point L196-2(lines 196 197) no Hoare annotation was computed. [2021-11-23 02:20:35,234 INFO L854 garLoopResultBuilder]: At program point L196-3(lines 196 197) the Hoare annotation is: false [2021-11-23 02:20:35,235 INFO L858 garLoopResultBuilder]: For program point L196-4(lines 196 197) no Hoare annotation was computed. [2021-11-23 02:20:35,235 INFO L858 garLoopResultBuilder]: For program point L31(lines 31 35) no Hoare annotation was computed. [2021-11-23 02:20:35,235 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-11-23 02:20:35,235 INFO L858 garLoopResultBuilder]: For program point L197-2(line 197) no Hoare annotation was computed. [2021-11-23 02:20:35,235 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-23 02:20:35,236 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 631) no Hoare annotation was computed. [2021-11-23 02:20:35,236 INFO L858 garLoopResultBuilder]: For program point L297(line 297) no Hoare annotation was computed. [2021-11-23 02:20:35,236 INFO L858 garLoopResultBuilder]: For program point L264-1(lines 264 265) no Hoare annotation was computed. [2021-11-23 02:20:35,236 INFO L858 garLoopResultBuilder]: For program point L264-3(lines 264 265) no Hoare annotation was computed. [2021-11-23 02:20:35,236 INFO L854 garLoopResultBuilder]: At program point L264-4(lines 264 265) the Hoare annotation is: false [2021-11-23 02:20:35,237 INFO L858 garLoopResultBuilder]: For program point L264-5(lines 264 265) no Hoare annotation was computed. [2021-11-23 02:20:35,237 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-11-23 02:20:35,237 INFO L858 garLoopResultBuilder]: For program point L298-2(lines 298 301) no Hoare annotation was computed. [2021-11-23 02:20:35,237 INFO L854 garLoopResultBuilder]: At program point L298-3(lines 298 301) the Hoare annotation is: false [2021-11-23 02:20:35,237 INFO L858 garLoopResultBuilder]: For program point L232-2(lines 232 241) no Hoare annotation was computed. [2021-11-23 02:20:35,237 INFO L858 garLoopResultBuilder]: For program point L298-4(lines 298 301) no Hoare annotation was computed. [2021-11-23 02:20:35,237 INFO L858 garLoopResultBuilder]: For program point L199-2(lines 199 203) no Hoare annotation was computed. [2021-11-23 02:20:35,237 INFO L854 garLoopResultBuilder]: At program point L232-3(lines 232 241) the Hoare annotation is: false [2021-11-23 02:20:35,237 INFO L854 garLoopResultBuilder]: At program point L199-3(lines 199 203) the Hoare annotation is: false [2021-11-23 02:20:35,238 INFO L858 garLoopResultBuilder]: For program point L232-4(lines 229 257) no Hoare annotation was computed. [2021-11-23 02:20:35,238 INFO L858 garLoopResultBuilder]: For program point L199-4(lines 199 203) no Hoare annotation was computed. [2021-11-23 02:20:35,238 INFO L858 garLoopResultBuilder]: For program point L464(lines 464 470) no Hoare annotation was computed. [2021-11-23 02:20:35,238 INFO L858 garLoopResultBuilder]: For program point L398-1(lines 398 402) no Hoare annotation was computed. [2021-11-23 02:20:35,238 INFO L854 garLoopResultBuilder]: At program point L398-2(lines 398 402) the Hoare annotation is: false [2021-11-23 02:20:35,238 INFO L858 garLoopResultBuilder]: For program point L398-3(lines 398 402) no Hoare annotation was computed. [2021-11-23 02:20:35,238 INFO L858 garLoopResultBuilder]: For program point L200-2(lines 200 201) no Hoare annotation was computed. [2021-11-23 02:20:35,238 INFO L854 garLoopResultBuilder]: At program point L200-3(lines 200 201) the Hoare annotation is: false [2021-11-23 02:20:35,238 INFO L858 garLoopResultBuilder]: For program point L200-4(lines 200 201) no Hoare annotation was computed. [2021-11-23 02:20:35,238 INFO L858 garLoopResultBuilder]: For program point L126(lines 126 133) no Hoare annotation was computed. [2021-11-23 02:20:35,239 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 114 118) no Hoare annotation was computed. [2021-11-23 02:20:35,239 INFO L861 garLoopResultBuilder]: At program point L114-2(lines 114 118) the Hoare annotation is: true [2021-11-23 02:20:35,239 INFO L858 garLoopResultBuilder]: For program point L114-3(lines 114 118) no Hoare annotation was computed. [2021-11-23 02:20:35,239 INFO L858 garLoopResultBuilder]: For program point L110(lines 110 111) no Hoare annotation was computed. [2021-11-23 02:20:35,239 INFO L858 garLoopResultBuilder]: For program point L135(lines 135 138) no Hoare annotation was computed. [2021-11-23 02:20:35,239 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 127 131) no Hoare annotation was computed. [2021-11-23 02:20:35,239 INFO L861 garLoopResultBuilder]: At program point L127-2(lines 127 131) the Hoare annotation is: true [2021-11-23 02:20:35,239 INFO L858 garLoopResultBuilder]: For program point L127-3(lines 127 131) no Hoare annotation was computed. [2021-11-23 02:20:35,239 INFO L858 garLoopResultBuilder]: For program point scalbn_floatFINAL(lines 97 147) no Hoare annotation was computed. [2021-11-23 02:20:35,239 INFO L861 garLoopResultBuilder]: At program point L136(line 136) the Hoare annotation is: true [2021-11-23 02:20:35,239 INFO L858 garLoopResultBuilder]: For program point L136-1(line 136) no Hoare annotation was computed. [2021-11-23 02:20:35,239 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 125) no Hoare annotation was computed. [2021-11-23 02:20:35,240 INFO L858 garLoopResultBuilder]: For program point L120(lines 120 121) no Hoare annotation was computed. [2021-11-23 02:20:35,240 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 122) no Hoare annotation was computed. [2021-11-23 02:20:35,240 INFO L858 garLoopResultBuilder]: For program point scalbn_floatEXIT(lines 97 147) no Hoare annotation was computed. [2021-11-23 02:20:35,240 INFO L858 garLoopResultBuilder]: For program point L112-2(lines 112 122) no Hoare annotation was computed. [2021-11-23 02:20:35,240 INFO L861 garLoopResultBuilder]: At program point scalbn_floatENTRY(lines 97 147) the Hoare annotation is: true [2021-11-23 02:20:35,240 INFO L858 garLoopResultBuilder]: For program point L108(lines 108 109) no Hoare annotation was computed. [2021-11-23 02:20:35,241 INFO L858 garLoopResultBuilder]: For program point L141-1(lines 141 145) no Hoare annotation was computed. [2021-11-23 02:20:35,241 INFO L861 garLoopResultBuilder]: At program point L141-2(lines 141 145) the Hoare annotation is: true [2021-11-23 02:20:35,241 INFO L858 garLoopResultBuilder]: For program point L141-3(lines 141 145) no Hoare annotation was computed. [2021-11-23 02:20:35,241 INFO L861 garLoopResultBuilder]: At program point L125(line 125) the Hoare annotation is: true [2021-11-23 02:20:35,241 INFO L858 garLoopResultBuilder]: For program point L125-1(line 125) no Hoare annotation was computed. [2021-11-23 02:20:35,241 INFO L861 garLoopResultBuilder]: At program point L138(line 138) the Hoare annotation is: true [2021-11-23 02:20:35,242 INFO L858 garLoopResultBuilder]: For program point L138-1(line 138) no Hoare annotation was computed. [2021-11-23 02:20:35,242 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 139) no Hoare annotation was computed. [2021-11-23 02:20:35,242 INFO L858 garLoopResultBuilder]: For program point L101-1(lines 101 105) no Hoare annotation was computed. [2021-11-23 02:20:35,242 INFO L861 garLoopResultBuilder]: At program point L101-2(lines 101 105) the Hoare annotation is: true [2021-11-23 02:20:35,242 INFO L858 garLoopResultBuilder]: For program point L101-3(lines 101 105) no Hoare annotation was computed. [2021-11-23 02:20:35,246 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-23 02:20:35,248 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 02:20:35,258 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 02:20:35,259 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 02:20:35,262 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,264 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 02:20:35,265 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 02:20:35,265 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,266 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,267 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,267 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,267 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,267 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,268 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,269 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,269 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,270 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,270 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,270 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,270 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,272 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,272 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,273 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,273 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,273 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,273 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,275 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,275 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,275 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,275 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,275 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,276 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:20:35 BoogieIcfgContainer [2021-11-23 02:20:35,278 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 02:20:35,278 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 02:20:35,278 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 02:20:35,279 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 02:20:35,279 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:18:46" (3/4) ... [2021-11-23 02:20:35,282 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 02:20:35,290 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_cosf [2021-11-23 02:20:35,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_float [2021-11-23 02:20:35,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_sinf [2021-11-23 02:20:35,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_float [2021-11-23 02:20:35,315 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 78 nodes and edges [2021-11-23 02:20:35,317 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2021-11-23 02:20:35,320 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 02:20:35,322 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 02:20:35,352 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-23 02:20:35,353 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && \result == ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-23 02:20:35,354 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && \result == ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result [2021-11-23 02:20:35,648 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/witness.graphml [2021-11-23 02:20:35,648 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 02:20:35,649 INFO L158 Benchmark]: Toolchain (without parser) took 147376.93ms. Allocated memory was 52.4MB in the beginning and 88.1MB in the end (delta: 35.7MB). Free memory was 28.2MB in the beginning and 30.1MB in the end (delta: -2.0MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2021-11-23 02:20:35,649 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 52.4MB. Free memory was 34.1MB in the beginning and 34.1MB in the end (delta: 38.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:20:35,649 INFO L158 Benchmark]: CACSL2BoogieTranslator took 703.10ms. Allocated memory was 52.4MB in the beginning and 65.0MB in the end (delta: 12.6MB). Free memory was 28.0MB in the beginning and 38.4MB in the end (delta: -10.5MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2021-11-23 02:20:35,650 INFO L158 Benchmark]: Boogie Procedure Inliner took 147.77ms. Allocated memory is still 65.0MB. Free memory was 38.4MB in the beginning and 31.0MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 02:20:35,650 INFO L158 Benchmark]: Boogie Preprocessor took 130.19ms. Allocated memory is still 65.0MB. Free memory was 31.0MB in the beginning and 36.6MB in the end (delta: -5.7MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-11-23 02:20:35,651 INFO L158 Benchmark]: RCFGBuilder took 37415.44ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 36.6MB in the beginning and 55.7MB in the end (delta: -19.1MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2021-11-23 02:20:35,651 INFO L158 Benchmark]: TraceAbstraction took 108587.94ms. Allocated memory is still 88.1MB. Free memory was 55.3MB in the beginning and 42.1MB in the end (delta: 13.2MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2021-11-23 02:20:35,651 INFO L158 Benchmark]: Witness Printer took 369.79ms. Allocated memory is still 88.1MB. Free memory was 42.1MB in the beginning and 30.1MB in the end (delta: 12.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 02:20:35,654 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 52.4MB. Free memory was 34.1MB in the beginning and 34.1MB in the end (delta: 38.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 703.10ms. Allocated memory was 52.4MB in the beginning and 65.0MB in the end (delta: 12.6MB). Free memory was 28.0MB in the beginning and 38.4MB in the end (delta: -10.5MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 147.77ms. Allocated memory is still 65.0MB. Free memory was 38.4MB in the beginning and 31.0MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 130.19ms. Allocated memory is still 65.0MB. Free memory was 31.0MB in the beginning and 36.6MB in the end (delta: -5.7MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * RCFGBuilder took 37415.44ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 36.6MB in the beginning and 55.7MB in the end (delta: -19.1MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * TraceAbstraction took 108587.94ms. Allocated memory is still 88.1MB. Free memory was 55.3MB in the beginning and 42.1MB in the end (delta: 13.2MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * Witness Printer took 369.79ms. Allocated memory is still 88.1MB. Free memory was 42.1MB in the beginning and 30.1MB in the end (delta: 12.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * 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: 631]: 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 5 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 108.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 96.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 28 mSolverCounterUnknown, 302 SdHoareTripleChecker+Valid, 96.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 288 mSDsluCounter, 3461 SdHoareTripleChecker+Invalid, 94.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 8 IncrementalHoareTripleChecker+Unchecked, 2504 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 460 IncrementalHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 957 mSDtfsCounter, 460 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=245occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 191 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 147 PreInvPairs, 151 NumberOfFragments, 138 HoareAnnotationTreeSize, 147 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 62 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 6.7s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 116 ConstructedInterpolants, 11 QuantifiedInterpolants, 529 SizeOfPredicates, 23 NumberOfNonLiveVariables, 1471 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 591]: Loop Invariant [2021-11-23 02:20:35,669 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 02:20:35,669 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 02:20:35,669 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,670 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 02:20:35,670 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-23 02:20:35,670 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant [2021-11-23 02:20:35,672 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,672 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,672 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,672 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,672 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,673 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,673 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,673 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,674 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,674 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,674 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,674 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && \result == ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 587]: Loop Invariant [2021-11-23 02:20:35,676 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,676 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,676 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,677 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,677 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,677 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,678 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,678 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,678 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,678 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,678 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-23 02:20:35,678 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && \result == ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-23 02:20:35,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0162c4d2-7d43-4753-8f11-a9a2c3593804/bin/utaipan-EQgc7hIp5V/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 Writing output log to file Ultimate.log Result: TRUE