./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0270b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0270b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH --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 12395198864bab5e38d85919e5d45431b7c77cde57d9c3bc7eeb361cc23b5dce --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:56:25,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:56:25,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:56:25,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:56:25,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:56:25,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:56:25,831 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:56:25,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:56:25,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:56:25,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:56:25,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:56:25,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:56:25,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:56:25,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:56:25,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:56:25,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:56:25,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:56:25,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:56:25,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:56:25,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:56:25,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:56:25,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:56:25,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:56:25,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:56:25,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:56:25,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:56:25,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:56:25,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:56:25,887 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:56:25,888 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:56:25,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:56:25,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:56:25,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:56:25,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:56:25,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:56:25,896 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:56:25,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:56:25,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:56:25,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:56:25,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:56:25,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:56:25,902 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 03:56:25,951 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:56:25,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:56:25,953 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:56:25,954 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:56:25,954 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:56:25,954 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:56:25,954 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 03:56:25,955 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:56:25,961 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:56:25,961 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 03:56:25,962 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 03:56:25,963 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:56:25,963 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 03:56:25,963 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 03:56:25,963 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 03:56:25,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:56:25,965 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 03:56:25,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 03:56:25,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 03:56:25,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:56:25,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:56:25,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:56:25,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:56:25,966 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:56:25,966 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 03:56:25,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:56:25,967 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:56:25,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:56:25,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:56:25,969 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:56:25,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:56:25,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:56:25,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:56:25,970 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:56:25,971 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 03:56:25,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 03:56:25,971 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:56:25,971 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:56:25,972 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:56:25,972 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_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12395198864bab5e38d85919e5d45431b7c77cde57d9c3bc7eeb361cc23b5dce [2021-11-03 03:56:26,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:56:26,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:56:26,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:56:26,272 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:56:26,273 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:56:26,274 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/float-newlib/double_req_bl_0270b.c [2021-11-03 03:56:26,350 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/data/4a4d5fb65/b37f28adf0d04bf8bea4653be1d8e46a/FLAGc658f7e2d [2021-11-03 03:56:26,810 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:56:26,811 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/sv-benchmarks/c/float-newlib/double_req_bl_0270b.c [2021-11-03 03:56:26,827 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/data/4a4d5fb65/b37f28adf0d04bf8bea4653be1d8e46a/FLAGc658f7e2d [2021-11-03 03:56:27,186 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/data/4a4d5fb65/b37f28adf0d04bf8bea4653be1d8e46a [2021-11-03 03:56:27,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:56:27,190 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:56:27,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:56:27,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:56:27,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:56:27,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:56:27" (1/1) ... [2021-11-03 03:56:27,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581b6720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:27, skipping insertion in model container [2021-11-03 03:56:27,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:56:27" (1/1) ... [2021-11-03 03:56:27,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:56:27,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:56:27,492 WARN L228 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_efe1f7b0-a042-461a-bb80-bc12debd9a1f/sv-benchmarks/c/float-newlib/double_req_bl_0270b.c[5869,5882] [2021-11-03 03:56:27,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:56:27,505 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 03:56:27,558 WARN L228 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_efe1f7b0-a042-461a-bb80-bc12debd9a1f/sv-benchmarks/c/float-newlib/double_req_bl_0270b.c[5869,5882] [2021-11-03 03:56:27,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:56:27,576 INFO L208 MainTranslator]: Completed translation [2021-11-03 03:56:27,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:27 WrapperNode [2021-11-03 03:56:27,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:56:27,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 03:56:27,578 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 03:56:27,578 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 03:56:27,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:27" (1/1) ... [2021-11-03 03:56:27,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:27" (1/1) ... [2021-11-03 03:56:27,647 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 03:56:27,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 03:56:27,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 03:56:27,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 03:56:27,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:27" (1/1) ... [2021-11-03 03:56:27,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:27" (1/1) ... [2021-11-03 03:56:27,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:27" (1/1) ... [2021-11-03 03:56:27,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:27" (1/1) ... [2021-11-03 03:56:27,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:27" (1/1) ... [2021-11-03 03:56:27,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:27" (1/1) ... [2021-11-03 03:56:27,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:27" (1/1) ... [2021-11-03 03:56:27,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 03:56:27,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 03:56:27,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 03:56:27,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 03:56:27,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:27" (1/1) ... [2021-11-03 03:56:27,750 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:56:27,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:56:27,774 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 03:56:27,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 03:56:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 03:56:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 03:56:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-03 03:56:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-03 03:56:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-03 03:56:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 03:56:27,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 03:56:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-03 03:56:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 03:56:28,790 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 03:56:28,790 INFO L299 CfgBuilder]: Removed 28 assume(true) statements. [2021-11-03 03:56:28,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:56:28 BoogieIcfgContainer [2021-11-03 03:56:28,793 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 03:56:28,794 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 03:56:28,794 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 03:56:28,798 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 03:56:28,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:56:27" (1/3) ... [2021-11-03 03:56:28,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@739eaeb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:56:28, skipping insertion in model container [2021-11-03 03:56:28,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:27" (2/3) ... [2021-11-03 03:56:28,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@739eaeb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:56:28, skipping insertion in model container [2021-11-03 03:56:28,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:56:28" (3/3) ... [2021-11-03 03:56:28,801 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0270b.c [2021-11-03 03:56:28,807 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 03:56:28,807 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 03:56:28,890 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 03:56:28,899 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 [2021-11-03 03:56:28,899 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 03:56:28,918 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 43 states have (on average 1.697674418604651) internal successors, (73), 44 states have internal predecessors, (73), 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) [2021-11-03 03:56:28,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-03 03:56:28,936 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:56:28,937 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:56:28,937 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:56:28,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:56:28,943 INFO L85 PathProgramCache]: Analyzing trace with hash -912941805, now seen corresponding path program 1 times [2021-11-03 03:56:28,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:56:28,953 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220976900] [2021-11-03 03:56:28,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:56:28,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:56:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:56:29,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:56:29,160 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:56:29,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220976900] [2021-11-03 03:56:29,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220976900] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 03:56:29,161 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:56:29,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 03:56:29,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748870536] [2021-11-03 03:56:29,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 03:56:29,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:56:29,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 03:56:29,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 03:56:29,190 INFO L87 Difference]: Start difference. First operand has 45 states, 43 states have (on average 1.697674418604651) internal successors, (73), 44 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:56:29,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:56:29,220 INFO L93 Difference]: Finished difference Result 89 states and 145 transitions. [2021-11-03 03:56:29,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 03:56:29,224 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-03 03:56:29,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:56:29,233 INFO L225 Difference]: With dead ends: 89 [2021-11-03 03:56:29,234 INFO L226 Difference]: Without dead ends: 43 [2021-11-03 03:56:29,237 INFO L786 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 [2021-11-03 03:56:29,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-11-03 03:56:29,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-11-03 03:56:29,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 42 states have internal predecessors, (56), 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) [2021-11-03 03:56:29,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 56 transitions. [2021-11-03 03:56:29,277 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 56 transitions. Word has length 9 [2021-11-03 03:56:29,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:56:29,278 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 56 transitions. [2021-11-03 03:56:29,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:56:29,278 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2021-11-03 03:56:29,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-03 03:56:29,280 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:56:29,280 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:56:29,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 03:56:29,281 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:56:29,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:56:29,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1298883855, now seen corresponding path program 1 times [2021-11-03 03:56:29,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:56:29,285 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318430961] [2021-11-03 03:56:29,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:56:29,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:56:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-03 03:56:29,367 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-03 03:56:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-03 03:56:29,471 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-03 03:56:29,471 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-03 03:56:29,473 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 03:56:29,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-03 03:56:29,480 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-03 03:56:29,483 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-03 03:56:29,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 03:56:29 BoogieIcfgContainer [2021-11-03 03:56:29,542 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-03 03:56:29,543 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-03 03:56:29,543 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-03 03:56:29,543 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-03 03:56:29,544 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:56:28" (3/4) ... [2021-11-03 03:56:29,552 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-03 03:56:29,552 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-03 03:56:29,555 INFO L168 Benchmark]: Toolchain (without parser) took 2363.78 ms. Allocated memory was 88.1 MB in the beginning and 117.4 MB in the end (delta: 29.4 MB). Free memory was 53.4 MB in the beginning and 69.2 MB in the end (delta: -15.7 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. [2021-11-03 03:56:29,556 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 88.1 MB. Free memory was 58.1 MB in the beginning and 58.1 MB in the end (delta: 29.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 03:56:29,560 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.33 ms. Allocated memory was 88.1 MB in the beginning and 117.4 MB in the end (delta: 29.4 MB). Free memory was 53.2 MB in the beginning and 87.9 MB in the end (delta: -34.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-03 03:56:29,562 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.73 ms. Allocated memory is still 117.4 MB. Free memory was 87.9 MB in the beginning and 85.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 03:56:29,567 INFO L168 Benchmark]: Boogie Preprocessor took 87.95 ms. Allocated memory is still 117.4 MB. Free memory was 85.1 MB in the beginning and 83.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 03:56:29,568 INFO L168 Benchmark]: RCFGBuilder took 1055.91 ms. Allocated memory is still 117.4 MB. Free memory was 83.0 MB in the beginning and 45.1 MB in the end (delta: 37.9 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-11-03 03:56:29,568 INFO L168 Benchmark]: TraceAbstraction took 748.01 ms. Allocated memory is still 117.4 MB. Free memory was 44.5 MB in the beginning and 69.2 MB in the end (delta: -24.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 03:56:29,569 INFO L168 Benchmark]: Witness Printer took 9.90 ms. Allocated memory is still 117.4 MB. Free memory is still 69.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 03:56:29,578 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 88.1 MB. Free memory was 58.1 MB in the beginning and 58.1 MB in the end (delta: 29.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 383.33 ms. Allocated memory was 88.1 MB in the beginning and 117.4 MB in the end (delta: 29.4 MB). Free memory was 53.2 MB in the beginning and 87.9 MB in the end (delta: -34.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.73 ms. Allocated memory is still 117.4 MB. Free memory was 87.9 MB in the beginning and 85.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 87.95 ms. Allocated memory is still 117.4 MB. Free memory was 85.1 MB in the beginning and 83.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1055.91 ms. Allocated memory is still 117.4 MB. Free memory was 83.0 MB in the beginning and 45.1 MB in the end (delta: 37.9 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 748.01 ms. Allocated memory is still 117.4 MB. Free memory was 44.5 MB in the beginning and 69.2 MB in the end (delta: -24.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 9.90 ms. Allocated memory is still 117.4 MB. Free memory is still 69.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * 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: 242]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 150, overapproximation of bitwiseAnd at line 168, overapproximation of someBinaryArithmeticDOUBLEoperation at line 185, overapproximation of someBinaryDOUBLEComparisonOperation at line 241. Possible FailurePath: [L18] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L144-L158] static const double one_asin = 1.00000000000000000000e+00, huge_asin = 1.000e+300, pio2_hi_asin = 1.57079632679489655800e+00, pio2_lo_asin = 6.12323399573676603587e-17, pio4_hi_asin = 7.85398163397448278999e-01, pS0_asin = 1.66666666666666657415e-01, pS1_asin = -3.25565818622400915405e-01, pS2_asin = 2.01212532134862925881e-01, pS3_asin = -4.00555345006794114027e-02, pS4_asin = 7.91534994289814532176e-04, pS5_asin = 3.47933107596021167570e-05, qS1_asin = -2.40339491173441421878e+00, qS2_asin = 2.02094576023350569471e+00, qS3_asin = -6.88283971605453293030e-01, qS4_asin = 7.70381505559019352791e-02; [L237] double x = -0.0; [L161] double t, w, p, q, c, r, s; [L162] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L164] ieee_double_shape_type gh_u; [L165] gh_u.value = (x) [L166] EXPR gh_u.parts.msw [L166] (hx) = gh_u.parts.msw [L168] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L169] COND FALSE !(ix >= 0x3ff00000) VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L180] COND TRUE ix < 0x3fe00000 VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L181] COND FALSE !(ix < 0x3e400000) [L185] t = x * x [L186-L189] p = t * (pS0_asin + t * (pS1_asin + t * (pS2_asin + t * (pS3_asin + t * (pS4_asin + t * pS5_asin))))) [L190-L191] q = one_asin + t * (qS1_asin + t * (qS2_asin + t * (qS3_asin + t * qS4_asin))) [L192] w = p / q [L193] return x + x * w; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L238] double res = __ieee754_asin(x); [L241] COND TRUE res != x VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L242] reach_error() VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 58 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, 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=45occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-03 03:56:29,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/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_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0270b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH --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 12395198864bab5e38d85919e5d45431b7c77cde57d9c3bc7eeb361cc23b5dce --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:56:32,108 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:56:32,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:56:32,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:56:32,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:56:32,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:56:32,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:56:32,151 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:56:32,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:56:32,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:56:32,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:56:32,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:56:32,158 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:56:32,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:56:32,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:56:32,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:56:32,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:56:32,166 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:56:32,169 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:56:32,172 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:56:32,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:56:32,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:56:32,178 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:56:32,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:56:32,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:56:32,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:56:32,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:56:32,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:56:32,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:56:32,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:56:32,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:56:32,197 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:56:32,198 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:56:32,200 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:56:32,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:56:32,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:56:32,204 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:56:32,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:56:32,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:56:32,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:56:32,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:56:32,225 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-03 03:56:32,280 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:56:32,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:56:32,281 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:56:32,282 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:56:32,282 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:56:32,282 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:56:32,282 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:56:32,283 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:56:32,283 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:56:32,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:56:32,284 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 03:56:32,284 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 03:56:32,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:56:32,285 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:56:32,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:56:32,285 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:56:32,285 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:56:32,286 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 03:56:32,286 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 03:56:32,286 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 03:56:32,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:56:32,287 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:56:32,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:56:32,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:56:32,287 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 03:56:32,288 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:56:32,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:56:32,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:56:32,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:56:32,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:56:32,289 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 03:56:32,289 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 03:56:32,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:56:32,290 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:56:32,290 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:56:32,290 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_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12395198864bab5e38d85919e5d45431b7c77cde57d9c3bc7eeb361cc23b5dce [2021-11-03 03:56:32,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:56:32,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:56:32,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:56:32,725 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:56:32,726 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:56:32,727 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/float-newlib/double_req_bl_0270b.c [2021-11-03 03:56:32,812 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/data/77e784647/a6cfbf59a2224ff884144ed7d5dc71d1/FLAG779c3c7dc [2021-11-03 03:56:33,477 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:56:33,477 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/sv-benchmarks/c/float-newlib/double_req_bl_0270b.c [2021-11-03 03:56:33,490 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/data/77e784647/a6cfbf59a2224ff884144ed7d5dc71d1/FLAG779c3c7dc [2021-11-03 03:56:33,835 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/data/77e784647/a6cfbf59a2224ff884144ed7d5dc71d1 [2021-11-03 03:56:33,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:56:33,838 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:56:33,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:56:33,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:56:33,846 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:56:33,847 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:56:33" (1/1) ... [2021-11-03 03:56:33,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dd52c27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:33, skipping insertion in model container [2021-11-03 03:56:33,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:56:33" (1/1) ... [2021-11-03 03:56:33,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:56:33,891 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:56:34,187 WARN L228 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_efe1f7b0-a042-461a-bb80-bc12debd9a1f/sv-benchmarks/c/float-newlib/double_req_bl_0270b.c[5869,5882] [2021-11-03 03:56:34,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:56:34,204 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 03:56:34,301 WARN L228 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_efe1f7b0-a042-461a-bb80-bc12debd9a1f/sv-benchmarks/c/float-newlib/double_req_bl_0270b.c[5869,5882] [2021-11-03 03:56:34,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:56:34,335 INFO L208 MainTranslator]: Completed translation [2021-11-03 03:56:34,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:34 WrapperNode [2021-11-03 03:56:34,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:56:34,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 03:56:34,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 03:56:34,339 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 03:56:34,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:34" (1/1) ... [2021-11-03 03:56:34,375 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:34" (1/1) ... [2021-11-03 03:56:34,411 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 03:56:34,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 03:56:34,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 03:56:34,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 03:56:34,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:34" (1/1) ... [2021-11-03 03:56:34,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:34" (1/1) ... [2021-11-03 03:56:34,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:34" (1/1) ... [2021-11-03 03:56:34,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:34" (1/1) ... [2021-11-03 03:56:34,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:34" (1/1) ... [2021-11-03 03:56:34,486 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:34" (1/1) ... [2021-11-03 03:56:34,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:34" (1/1) ... [2021-11-03 03:56:34,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 03:56:34,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 03:56:34,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 03:56:34,509 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 03:56:34,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:34" (1/1) ... [2021-11-03 03:56:34,518 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:56:34,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:56:34,546 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 03:56:34,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 03:56:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-03 03:56:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-03 03:56:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 03:56:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 03:56:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-03 03:56:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 03:56:34,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 03:56:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-03 03:56:34,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 03:56:51,930 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 03:56:51,931 INFO L299 CfgBuilder]: Removed 28 assume(true) statements. [2021-11-03 03:56:51,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:56:51 BoogieIcfgContainer [2021-11-03 03:56:51,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 03:56:51,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 03:56:51,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 03:56:51,939 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 03:56:51,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:56:33" (1/3) ... [2021-11-03 03:56:51,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ca4bf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:56:51, skipping insertion in model container [2021-11-03 03:56:51,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:56:34" (2/3) ... [2021-11-03 03:56:51,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ca4bf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:56:51, skipping insertion in model container [2021-11-03 03:56:51,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:56:51" (3/3) ... [2021-11-03 03:56:51,943 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0270b.c [2021-11-03 03:56:51,949 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 03:56:51,950 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 03:56:52,044 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 03:56:52,057 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 [2021-11-03 03:56:52,058 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 03:56:52,100 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 69 states have (on average 1.681159420289855) internal successors, (116), 70 states have internal predecessors, (116), 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) [2021-11-03 03:56:52,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-03 03:56:52,107 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:56:52,108 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:56:52,109 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:56:52,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:56:52,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1035834224, now seen corresponding path program 1 times [2021-11-03 03:56:52,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:56:52,135 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1769261022] [2021-11-03 03:56:52,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:56:52,136 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:56:52,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:56:52,140 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:56:52,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 03:56:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:56:53,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-03 03:56:53,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:56:53,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:56:53,306 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:56:53,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:56:53,585 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:56:53,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1769261022] [2021-11-03 03:56:53,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1769261022] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:56:53,586 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:56:53,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 03:56:53,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446232927] [2021-11-03 03:56:53,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 03:56:53,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:56:53,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 03:56:53,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 03:56:53,621 INFO L87 Difference]: Start difference. First operand has 71 states, 69 states have (on average 1.681159420289855) internal successors, (116), 70 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:56:53,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:56:53,664 INFO L93 Difference]: Finished difference Result 140 states and 230 transitions. [2021-11-03 03:56:53,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 03:56:53,667 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 [2021-11-03 03:56:53,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:56:53,680 INFO L225 Difference]: With dead ends: 140 [2021-11-03 03:56:53,680 INFO L226 Difference]: Without dead ends: 68 [2021-11-03 03:56:53,684 INFO L786 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 [2021-11-03 03:56:53,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-11-03 03:56:53,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2021-11-03 03:56:53,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.4029850746268657) internal successors, (94), 67 states have internal predecessors, (94), 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) [2021-11-03 03:56:53,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2021-11-03 03:56:53,731 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 10 [2021-11-03 03:56:53,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:56:53,731 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2021-11-03 03:56:53,732 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) [2021-11-03 03:56:53,732 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2021-11-03 03:56:53,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-03 03:56:53,733 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:56:53,733 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:56:53,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 03:56:53,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:56:53,937 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:56:53,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:56:53,938 INFO L85 PathProgramCache]: Analyzing trace with hash -744853926, now seen corresponding path program 1 times [2021-11-03 03:56:53,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:56:53,939 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1565768347] [2021-11-03 03:56:53,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:56:53,940 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:56:53,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:56:53,941 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:56:53,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 03:56:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:56:58,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-03 03:56:58,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:56:59,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:56:59,861 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:57:01,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:57:01,371 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:57:01,372 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1565768347] [2021-11-03 03:57:01,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1565768347] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:57:01,372 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:57:01,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-03 03:57:01,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585140735] [2021-11-03 03:57:01,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 03:57:01,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:57:01,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 03:57:01,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-03 03:57:01,389 INFO L87 Difference]: Start difference. First operand 68 states and 94 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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) [2021-11-03 03:57:03,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:57:03,558 INFO L93 Difference]: Finished difference Result 124 states and 171 transitions. [2021-11-03 03:57:03,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 03:57:03,559 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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 [2021-11-03 03:57:03,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:57:03,561 INFO L225 Difference]: With dead ends: 124 [2021-11-03 03:57:03,561 INFO L226 Difference]: Without dead ends: 65 [2021-11-03 03:57:03,563 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-03 03:57:03,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-11-03 03:57:03,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-11-03 03:57:03,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 64 states have (on average 1.328125) internal successors, (85), 64 states have internal predecessors, (85), 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) [2021-11-03 03:57:03,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 85 transitions. [2021-11-03 03:57:03,576 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 85 transitions. Word has length 11 [2021-11-03 03:57:03,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:57:03,577 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 85 transitions. [2021-11-03 03:57:03,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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) [2021-11-03 03:57:03,577 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 85 transitions. [2021-11-03 03:57:03,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-03 03:57:03,578 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:57:03,578 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:57:03,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-03 03:57:03,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:57:03,793 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:57:03,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:57:03,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1629311917, now seen corresponding path program 1 times [2021-11-03 03:57:03,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:57:03,794 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [698060780] [2021-11-03 03:57:03,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:57:03,794 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:57:03,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:57:03,795 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:57:03,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 03:57:04,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:57:04,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-03 03:57:04,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:57:05,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:57:05,946 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:57:07,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:57:07,074 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:57:07,075 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [698060780] [2021-11-03 03:57:07,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [698060780] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:57:07,075 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:57:07,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-03 03:57:07,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162798898] [2021-11-03 03:57:07,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 03:57:07,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:57:07,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 03:57:07,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-03 03:57:07,078 INFO L87 Difference]: Start difference. First operand 65 states and 85 transitions. Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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) [2021-11-03 03:57:08,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:57:08,419 INFO L93 Difference]: Finished difference Result 69 states and 88 transitions. [2021-11-03 03:57:08,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 03:57:08,420 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-03 03:57:08,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:57:08,422 INFO L225 Difference]: With dead ends: 69 [2021-11-03 03:57:08,422 INFO L226 Difference]: Without dead ends: 65 [2021-11-03 03:57:08,423 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-03 03:57:08,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-11-03 03:57:08,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-11-03 03:57:08,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 64 states have (on average 1.3125) internal successors, (84), 64 states have internal predecessors, (84), 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) [2021-11-03 03:57:08,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 84 transitions. [2021-11-03 03:57:08,435 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 84 transitions. Word has length 12 [2021-11-03 03:57:08,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:57:08,436 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 84 transitions. [2021-11-03 03:57:08,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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) [2021-11-03 03:57:08,437 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2021-11-03 03:57:08,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-03 03:57:08,438 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:57:08,438 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:57:08,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 03:57:08,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:57:08,645 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:57:08,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:57:08,645 INFO L85 PathProgramCache]: Analyzing trace with hash -264969657, now seen corresponding path program 1 times [2021-11-03 03:57:08,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:57:08,646 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [616181530] [2021-11-03 03:57:08,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:57:08,647 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:57:08,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:57:08,649 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:57:08,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 03:57:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:57:14,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-03 03:57:14,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:57:17,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:57:17,480 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:57:23,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:57:23,701 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:57:23,702 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [616181530] [2021-11-03 03:57:23,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [616181530] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:57:23,702 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:57:23,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-03 03:57:23,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748064186] [2021-11-03 03:57:23,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 03:57:23,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:57:23,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 03:57:23,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 03:57:23,705 INFO L87 Difference]: Start difference. First operand 65 states and 84 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 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) [2021-11-03 03:57:24,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:57:24,045 INFO L93 Difference]: Finished difference Result 65 states and 84 transitions. [2021-11-03 03:57:24,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 03:57:24,047 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 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 28 [2021-11-03 03:57:24,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:57:24,048 INFO L225 Difference]: With dead ends: 65 [2021-11-03 03:57:24,048 INFO L226 Difference]: Without dead ends: 0 [2021-11-03 03:57:24,048 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 03:57:24,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-03 03:57:24,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-03 03:57:24,049 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) [2021-11-03 03:57:24,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-03 03:57:24,049 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2021-11-03 03:57:24,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:57:24,049 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-03 03:57:24,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 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) [2021-11-03 03:57:24,050 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-03 03:57:24,050 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-03 03:57:24,052 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 03:57:24,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-03 03:57:24,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:57:24,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-03 03:57:24,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:24,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:24,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:24,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:24,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:24,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:24,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:24,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:24,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:24,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:24,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:24,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:24,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:24,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:57:25,660 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 94) no Hoare annotation was computed. [2021-11-03 03:57:25,661 INFO L857 garLoopResultBuilder]: For program point L85-2(lines 85 94) no Hoare annotation was computed. [2021-11-03 03:57:25,661 INFO L857 garLoopResultBuilder]: For program point L135(lines 135 140) no Hoare annotation was computed. [2021-11-03 03:57:25,661 INFO L857 garLoopResultBuilder]: For program point L135-1(lines 128 142) no Hoare annotation was computed. [2021-11-03 03:57:25,662 INFO L857 garLoopResultBuilder]: For program point L135-2(lines 135 140) no Hoare annotation was computed. [2021-11-03 03:57:25,662 INFO L857 garLoopResultBuilder]: For program point L36(lines 36 41) no Hoare annotation was computed. [2021-11-03 03:57:25,662 INFO L853 garLoopResultBuilder]: At program point L69-2(lines 69 79) the Hoare annotation is: false [2021-11-03 03:57:25,662 INFO L857 garLoopResultBuilder]: For program point L36-2(lines 36 41) no Hoare annotation was computed. [2021-11-03 03:57:25,663 INFO L857 garLoopResultBuilder]: For program point L69-3(lines 69 79) no Hoare annotation was computed. [2021-11-03 03:57:25,663 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-03 03:57:25,663 INFO L857 garLoopResultBuilder]: For program point L119-1(lines 119 124) no Hoare annotation was computed. [2021-11-03 03:57:25,663 INFO L853 garLoopResultBuilder]: At program point L119-2(lines 119 124) the Hoare annotation is: false [2021-11-03 03:57:25,664 INFO L857 garLoopResultBuilder]: For program point L119-3(lines 119 124) no Hoare annotation was computed. [2021-11-03 03:57:25,664 INFO L857 garLoopResultBuilder]: For program point L169(lines 169 195) no Hoare annotation was computed. [2021-11-03 03:57:25,664 INFO L857 garLoopResultBuilder]: For program point L103(lines 103 111) no Hoare annotation was computed. [2021-11-03 03:57:25,664 INFO L857 garLoopResultBuilder]: For program point L37(lines 37 40) no Hoare annotation was computed. [2021-11-03 03:57:25,664 INFO L857 garLoopResultBuilder]: For program point L87(lines 87 88) no Hoare annotation was computed. [2021-11-03 03:57:25,665 INFO L857 garLoopResultBuilder]: For program point L87-2(lines 87 88) no Hoare annotation was computed. [2021-11-03 03:57:25,665 INFO L857 garLoopResultBuilder]: For program point L71(lines 71 75) no Hoare annotation was computed. [2021-11-03 03:57:25,665 INFO L857 garLoopResultBuilder]: For program point L71-2(lines 71 75) no Hoare annotation was computed. [2021-11-03 03:57:25,665 INFO L857 garLoopResultBuilder]: For program point L171-1(lines 171 175) no Hoare annotation was computed. [2021-11-03 03:57:25,666 INFO L853 garLoopResultBuilder]: At program point L171-2(lines 171 175) the Hoare annotation is: false [2021-11-03 03:57:25,666 INFO L857 garLoopResultBuilder]: For program point L171-3(lines 169 180) no Hoare annotation was computed. [2021-11-03 03:57:25,666 INFO L857 garLoopResultBuilder]: For program point L39(lines 39 40) no Hoare annotation was computed. [2021-11-03 03:57:25,666 INFO L857 garLoopResultBuilder]: For program point L106(lines 106 111) no Hoare annotation was computed. [2021-11-03 03:57:25,666 INFO L857 garLoopResultBuilder]: For program point L90(lines 90 91) no Hoare annotation was computed. [2021-11-03 03:57:25,667 INFO L857 garLoopResultBuilder]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2021-11-03 03:57:25,667 INFO L857 garLoopResultBuilder]: For program point L206(lines 206 222) no Hoare annotation was computed. [2021-11-03 03:57:25,667 INFO L857 garLoopResultBuilder]: For program point L206-2(lines 160 227) no Hoare annotation was computed. [2021-11-03 03:57:25,667 INFO L857 garLoopResultBuilder]: For program point L107(lines 107 108) no Hoare annotation was computed. [2021-11-03 03:57:25,668 INFO L857 garLoopResultBuilder]: For program point L107-2(lines 107 108) no Hoare annotation was computed. [2021-11-03 03:57:25,668 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-03 03:57:25,668 INFO L857 garLoopResultBuilder]: For program point L58(lines 58 61) no Hoare annotation was computed. [2021-11-03 03:57:25,668 INFO L857 garLoopResultBuilder]: For program point L58-2(lines 58 61) no Hoare annotation was computed. [2021-11-03 03:57:25,669 INFO L853 garLoopResultBuilder]: At program point L141(lines 128 142) the Hoare annotation is: false [2021-11-03 03:57:25,669 INFO L853 garLoopResultBuilder]: At program point L125(lines 20 126) the Hoare annotation is: false [2021-11-03 03:57:25,669 INFO L857 garLoopResultBuilder]: For program point L26-1(lines 26 31) no Hoare annotation was computed. [2021-11-03 03:57:25,669 INFO L853 garLoopResultBuilder]: At program point L26-2(lines 26 31) the Hoare annotation is: false [2021-11-03 03:57:25,669 INFO L857 garLoopResultBuilder]: For program point L26-3(lines 20 126) no Hoare annotation was computed. [2021-11-03 03:57:25,670 INFO L857 garLoopResultBuilder]: For program point L241(lines 241 244) no Hoare annotation was computed. [2021-11-03 03:57:25,670 INFO L857 garLoopResultBuilder]: For program point L242(line 242) no Hoare annotation was computed. [2021-11-03 03:57:25,670 INFO L857 garLoopResultBuilder]: For program point L44(lines 44 55) no Hoare annotation was computed. [2021-11-03 03:57:25,670 INFO L857 garLoopResultBuilder]: For program point L44-2(lines 44 55) no Hoare annotation was computed. [2021-11-03 03:57:25,671 INFO L853 garLoopResultBuilder]: At program point L226(lines 160 227) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (exists ((|v_skolemized_q#valueAsBitvector_13| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_13|)) (fp.neg (_ +zero 11 53))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_13|) ULTIMATE.start___ieee754_asin_~hx~0))) (exists ((|v_skolemized_q#valueAsBitvector_13| (_ BitVec 64))) (and (= (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_13|)) ULTIMATE.start___ieee754_asin_~ix~0) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_13|)) (fp.neg (_ +zero 11 53))))) (= ULTIMATE.start_main_~x~0 .cse0) (= .cse0 ULTIMATE.start___ieee754_asin_~x) (= |ULTIMATE.start___ieee754_asin_#res| ULTIMATE.start_main_~x~0))) [2021-11-03 03:57:25,671 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-03 03:57:25,671 INFO L853 garLoopResultBuilder]: At program point L45-2(lines 45 49) the Hoare annotation is: false [2021-11-03 03:57:25,672 INFO L857 garLoopResultBuilder]: For program point L45-3(lines 45 49) no Hoare annotation was computed. [2021-11-03 03:57:25,672 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 211 216) no Hoare annotation was computed. [2021-11-03 03:57:25,672 INFO L853 garLoopResultBuilder]: At program point L211-2(lines 211 216) the Hoare annotation is: false [2021-11-03 03:57:25,672 INFO L857 garLoopResultBuilder]: For program point L211-3(lines 211 216) no Hoare annotation was computed. [2021-11-03 03:57:25,673 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2021-11-03 03:57:25,673 INFO L853 garLoopResultBuilder]: At program point L163-2(lines 163 167) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_asin~0) (= ((_ to_fp 11 53) currentRoundingMode 1.0) ~one_asin~0) (= ULTIMATE.start_main_~x~0 .cse0) (= .cse0 ULTIMATE.start___ieee754_asin_~x) (= currentRoundingMode roundNearestTiesToEven))) [2021-11-03 03:57:25,673 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2021-11-03 03:57:25,673 INFO L857 garLoopResultBuilder]: For program point L163-3(lines 163 167) no Hoare annotation was computed. [2021-11-03 03:57:25,674 INFO L853 garLoopResultBuilder]: At program point L130-2(lines 130 134) the Hoare annotation is: false [2021-11-03 03:57:25,674 INFO L860 garLoopResultBuilder]: At program point L246(lines 229 247) the Hoare annotation is: true [2021-11-03 03:57:25,674 INFO L857 garLoopResultBuilder]: For program point L180(lines 180 195) no Hoare annotation was computed. [2021-11-03 03:57:25,674 INFO L857 garLoopResultBuilder]: For program point L180-1(lines 180 195) no Hoare annotation was computed. [2021-11-03 03:57:25,675 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-03 03:57:25,675 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 242) no Hoare annotation was computed. [2021-11-03 03:57:25,675 INFO L857 garLoopResultBuilder]: For program point L181(lines 181 194) no Hoare annotation was computed. [2021-11-03 03:57:25,675 INFO L853 garLoopResultBuilder]: At program point L82-2(lines 82 98) the Hoare annotation is: false [2021-11-03 03:57:25,676 INFO L857 garLoopResultBuilder]: For program point L82-3(lines 20 126) no Hoare annotation was computed. [2021-11-03 03:57:25,676 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 113) no Hoare annotation was computed. [2021-11-03 03:57:25,676 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 183) no Hoare annotation was computed. [2021-11-03 03:57:25,676 INFO L857 garLoopResultBuilder]: For program point L116(lines 116 117) no Hoare annotation was computed. [2021-11-03 03:57:25,676 INFO L857 garLoopResultBuilder]: For program point L116-2(lines 116 117) no Hoare annotation was computed. [2021-11-03 03:57:25,677 INFO L857 garLoopResultBuilder]: For program point L50-2(lines 50 51) no Hoare annotation was computed. [2021-11-03 03:57:25,677 INFO L853 garLoopResultBuilder]: At program point L50-3(lines 50 51) the Hoare annotation is: false [2021-11-03 03:57:25,677 INFO L857 garLoopResultBuilder]: For program point L50-4(lines 50 51) no Hoare annotation was computed. [2021-11-03 03:57:25,677 INFO L857 garLoopResultBuilder]: For program point L101(lines 101 112) no Hoare annotation was computed. [2021-11-03 03:57:25,681 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-03 03:57:25,682 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-03 03:57:25,690 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-11-03 03:57:25,691 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-11-03 03:57:25,691 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-11-03 03:57:25,691 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-11-03 03:57:25,691 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-11-03 03:57:25,692 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-11-03 03:57:25,692 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-11-03 03:57:25,692 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-11-03 03:57:25,700 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-11-03 03:57:25,700 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-11-03 03:57:25,700 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-11-03 03:57:25,700 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-11-03 03:57:25,701 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-11-03 03:57:25,701 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-11-03 03:57:25,701 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-11-03 03:57:25,701 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-11-03 03:57:25,704 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 03:57:25,705 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 03:57:25,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 03:57:25 BoogieIcfgContainer [2021-11-03 03:57:25,706 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-03 03:57:25,707 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-03 03:57:25,707 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-03 03:57:25,707 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-03 03:57:25,708 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:56:51" (3/4) ... [2021-11-03 03:57:25,711 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-03 03:57:25,724 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-03 03:57:25,724 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-03 03:57:25,725 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-03 03:57:25,725 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-03 03:57:25,759 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists v_skolemized_q#valueAsBitvector_13 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && v_skolemized_q#valueAsBitvector_13[63:32] == hx) && (\exists v_skolemized_q#valueAsBitvector_13 : bv64 :: ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_13[63:32]) == ix && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()))) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && \result == x [2021-11-03 03:57:25,794 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/witness.graphml [2021-11-03 03:57:25,795 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-03 03:57:25,796 INFO L168 Benchmark]: Toolchain (without parser) took 51957.08 ms. Allocated memory was 52.4 MB in the beginning and 71.3 MB in the end (delta: 18.9 MB). Free memory was 28.7 MB in the beginning and 46.8 MB in the end (delta: -18.1 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. [2021-11-03 03:57:25,797 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 52.4 MB. Free memory was 33.1 MB in the beginning and 33.1 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 03:57:25,797 INFO L168 Benchmark]: CACSL2BoogieTranslator took 494.99 ms. Allocated memory was 52.4 MB in the beginning and 71.3 MB in the end (delta: 18.9 MB). Free memory was 28.4 MB in the beginning and 49.5 MB in the end (delta: -21.1 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2021-11-03 03:57:25,798 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.48 ms. Allocated memory is still 71.3 MB. Free memory was 49.4 MB in the beginning and 46.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 03:57:25,798 INFO L168 Benchmark]: Boogie Preprocessor took 95.86 ms. Allocated memory is still 71.3 MB. Free memory was 46.8 MB in the beginning and 44.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 03:57:25,798 INFO L168 Benchmark]: RCFGBuilder took 17424.70 ms. Allocated memory is still 71.3 MB. Free memory was 44.3 MB in the beginning and 37.2 MB in the end (delta: 7.1 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2021-11-03 03:57:25,799 INFO L168 Benchmark]: TraceAbstraction took 33770.75 ms. Allocated memory is still 71.3 MB. Free memory was 36.7 MB in the beginning and 31.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2021-11-03 03:57:25,799 INFO L168 Benchmark]: Witness Printer took 87.99 ms. Allocated memory is still 71.3 MB. Free memory was 31.3 MB in the beginning and 46.8 MB in the end (delta: -15.5 MB). Peak memory consumption was 3.8 MB. Max. memory is 16.1 GB. [2021-11-03 03:57:25,802 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 52.4 MB. Free memory was 33.1 MB in the beginning and 33.1 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 494.99 ms. Allocated memory was 52.4 MB in the beginning and 71.3 MB in the end (delta: 18.9 MB). Free memory was 28.4 MB in the beginning and 49.5 MB in the end (delta: -21.1 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.48 ms. Allocated memory is still 71.3 MB. Free memory was 49.4 MB in the beginning and 46.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 95.86 ms. Allocated memory is still 71.3 MB. Free memory was 46.8 MB in the beginning and 44.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 17424.70 ms. Allocated memory is still 71.3 MB. Free memory was 44.3 MB in the beginning and 37.2 MB in the end (delta: 7.1 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 33770.75 ms. Allocated memory is still 71.3 MB. Free memory was 36.7 MB in the beginning and 31.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. * Witness Printer took 87.99 ms. Allocated memory is still 71.3 MB. Free memory was 31.3 MB in the beginning and 46.8 MB in the end (delta: -15.5 MB). Peak memory consumption was 3.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * 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: 242]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 33.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 258 SDtfs, 416 SDslu, 241 SDs, 0 SdLazy, 44 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 14 PreInvPairs, 17 NumberOfFragments, 80 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 11.0s SatisfiabilityAnalysisTime, 15.8s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 114 ConstructedInterpolants, 6 QuantifiedInterpolants, 483 SizeOfPredicates, 17 NumberOfNonLiveVariables, 294 ConjunctsInSsa, 22 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: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant [2021-11-03 03:57:25,812 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-11-03 03:57:25,812 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-11-03 03:57:25,812 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-11-03 03:57:25,812 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-11-03 03:57:25,813 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-11-03 03:57:25,813 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-11-03 03:57:25,813 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-11-03 03:57:25,813 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-11-03 03:57:25,814 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-11-03 03:57:25,814 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-11-03 03:57:25,814 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-11-03 03:57:25,814 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-11-03 03:57:25,814 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-11-03 03:57:25,815 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-11-03 03:57:25,815 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2021-11-03 03:57:25,815 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] Derived loop invariant: ((((\exists v_skolemized_q#valueAsBitvector_13 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && v_skolemized_q#valueAsBitvector_13[63:32] == hx) && (\exists v_skolemized_q#valueAsBitvector_13 : bv64 :: ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_13[63:32]) == ix && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()))) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && \result == x - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant [2021-11-03 03:57:25,822 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-03 03:57:25,829 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_asin && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_asin) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-03 03:57:26,060 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-03 03:57:26,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe1f7b0-a042-461a-bb80-bc12debd9a1f/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE