./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_tight.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_tight.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta --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 4f06c627005526bf7352f5af3bf213732c8f95aaddbc4d58e55a979b56de8616 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:22:53,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:22:53,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:22:53,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:22:53,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:22:53,574 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:22:53,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:22:53,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:22:53,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:22:53,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:22:53,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:22:53,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:22:53,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:22:53,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:22:53,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:22:53,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:22:53,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:22:53,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:22:53,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:22:53,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:22:53,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:22:53,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:22:53,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:22:53,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:22:53,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:22:53,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:22:53,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:22:53,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:22:53,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:22:53,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:22:53,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:22:53,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:22:53,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:22:53,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:22:53,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:22:53,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:22:53,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:22:53,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:22:53,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:22:53,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:22:53,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:22:53,662 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-10-17 17:22:53,718 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:22:53,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:22:53,719 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:22:53,719 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:22:53,720 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:22:53,720 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:22:53,720 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:22:53,721 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:22:53,721 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:22:53,721 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-10-17 17:22:53,721 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:22:53,722 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:22:53,722 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-10-17 17:22:53,722 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-10-17 17:22:53,722 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:22:53,722 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-10-17 17:22:53,723 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-10-17 17:22:53,723 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-10-17 17:22:53,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:22:53,724 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:22:53,724 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:22:53,724 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:22:53,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:22:53,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:22:53,725 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:22:53,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:22:53,726 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:22:53,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:22:53,726 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:22:53,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:22:53,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:22:53,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:22:53,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:22:53,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:22:53,727 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-10-17 17:22:53,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:22:53,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:22:53,728 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-10-17 17:22:53,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:22:53,729 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:22:53,729 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:22:53,729 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f06c627005526bf7352f5af3bf213732c8f95aaddbc4d58e55a979b56de8616 [2022-10-17 17:22:53,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:22:54,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:22:54,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:22:54,027 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:22:54,028 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:22:54,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_tight.c [2022-10-17 17:22:54,103 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta/data/f840bf4ba/76ad4c01cc7b482da52c2cdc277c660d/FLAG964d53d9d [2022-10-17 17:22:54,611 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:22:54,612 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_tight.c [2022-10-17 17:22:54,628 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta/data/f840bf4ba/76ad4c01cc7b482da52c2cdc277c660d/FLAG964d53d9d [2022-10-17 17:22:54,956 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta/data/f840bf4ba/76ad4c01cc7b482da52c2cdc277c660d [2022-10-17 17:22:54,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:22:54,962 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:22:54,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:22:54,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:22:54,969 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:22:54,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:22:54" (1/1) ... [2022-10-17 17:22:54,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1099a8af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:54, skipping insertion in model container [2022-10-17 17:22:54,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:22:54" (1/1) ... [2022-10-17 17:22:54,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:22:55,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:22:55,221 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_tight.c[690,703] [2022-10-17 17:22:55,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:22:55,319 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:22:55,330 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_tight.c[690,703] [2022-10-17 17:22:55,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:22:55,418 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:22:55,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:55 WrapperNode [2022-10-17 17:22:55,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:22:55,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:22:55,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:22:55,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:22:55,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:55" (1/1) ... [2022-10-17 17:22:55,451 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:55" (1/1) ... [2022-10-17 17:22:55,507 INFO L138 Inliner]: procedures = 21, calls = 381, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 404 [2022-10-17 17:22:55,507 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:22:55,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:22:55,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:22:55,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:22:55,518 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:55" (1/1) ... [2022-10-17 17:22:55,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:55" (1/1) ... [2022-10-17 17:22:55,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:55" (1/1) ... [2022-10-17 17:22:55,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:55" (1/1) ... [2022-10-17 17:22:55,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:55" (1/1) ... [2022-10-17 17:22:55,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:55" (1/1) ... [2022-10-17 17:22:55,604 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:55" (1/1) ... [2022-10-17 17:22:55,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:55" (1/1) ... [2022-10-17 17:22:55,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:22:55,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:22:55,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:22:55,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:22:55,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:55" (1/1) ... [2022-10-17 17:22:55,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:22:55,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta/z3 [2022-10-17 17:22:55,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 17:22:55,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 17:22:55,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:22:55,739 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_POS [2022-10-17 17:22:55,740 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_POS [2022-10-17 17:22:55,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:22:55,740 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_0_180 [2022-10-17 17:22:55,740 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_0_180 [2022-10-17 17:22:55,740 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_180 [2022-10-17 17:22:55,740 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_180 [2022-10-17 17:22:55,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-10-17 17:22:55,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:22:55,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:22:55,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-10-17 17:22:55,846 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:22:55,848 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:22:56,465 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:22:56,628 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:22:56,629 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 17:22:56,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:22:56 BoogieIcfgContainer [2022-10-17 17:22:56,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:22:56,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 17:22:56,637 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 17:22:56,641 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 17:22:56,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 05:22:54" (1/3) ... [2022-10-17 17:22:56,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e9ef7a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:22:56, skipping insertion in model container [2022-10-17 17:22:56,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:55" (2/3) ... [2022-10-17 17:22:56,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e9ef7a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:22:56, skipping insertion in model container [2022-10-17 17:22:56,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:22:56" (3/3) ... [2022-10-17 17:22:56,648 INFO L112 eAbstractionObserver]: Analyzing ICFG sin_interpolated_bigrange_tight.c [2022-10-17 17:22:56,668 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 17:22:56,668 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 17:22:56,727 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 17:22:56,734 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6d03f971, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 17:22:56,735 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 17:22:56,739 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 19 states have (on average 1.263157894736842) internal successors, (24), 20 states have internal predecessors, (24), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-10-17 17:22:56,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:22:56,748 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:22:56,749 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 17:22:56,749 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:22:56,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:22:56,755 INFO L85 PathProgramCache]: Analyzing trace with hash -880485949, now seen corresponding path program 1 times [2022-10-17 17:22:56,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:22:56,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955394095] [2022-10-17 17:22:56,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:22:56,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:22:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:22:56,970 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:22:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:22:57,147 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-10-17 17:22:57,149 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-17 17:22:57,150 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-10-17 17:22:57,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 17:22:57,157 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-10-17 17:22:57,161 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-17 17:22:57,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 05:22:57 BoogieIcfgContainer [2022-10-17 17:22:57,220 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-17 17:22:57,222 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:22:57,222 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:22:57,222 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:22:57,223 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:22:56" (3/4) ... [2022-10-17 17:22:57,226 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-10-17 17:22:57,226 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:22:57,228 INFO L158 Benchmark]: Toolchain (without parser) took 2264.90ms. Allocated memory was 98.6MB in the beginning and 136.3MB in the end (delta: 37.7MB). Free memory was 75.2MB in the beginning and 61.2MB in the end (delta: 14.1MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2022-10-17 17:22:57,229 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 98.6MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:22:57,230 INFO L158 Benchmark]: CACSL2BoogieTranslator took 453.64ms. Allocated memory is still 98.6MB. Free memory was 75.0MB in the beginning and 64.1MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 17:22:57,231 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.51ms. Allocated memory is still 98.6MB. Free memory was 64.1MB in the beginning and 59.5MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 17:22:57,232 INFO L158 Benchmark]: Boogie Preprocessor took 128.32ms. Allocated memory is still 98.6MB. Free memory was 59.5MB in the beginning and 55.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 17:22:57,237 INFO L158 Benchmark]: RCFGBuilder took 995.79ms. Allocated memory was 98.6MB in the beginning and 136.3MB in the end (delta: 37.7MB). Free memory was 55.6MB in the beginning and 91.3MB in the end (delta: -35.7MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2022-10-17 17:22:57,239 INFO L158 Benchmark]: TraceAbstraction took 583.34ms. Allocated memory is still 136.3MB. Free memory was 90.5MB in the beginning and 61.2MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-10-17 17:22:57,240 INFO L158 Benchmark]: Witness Printer took 4.66ms. Allocated memory is still 136.3MB. Free memory is still 61.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:22:57,249 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 98.6MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 453.64ms. Allocated memory is still 98.6MB. Free memory was 75.0MB in the beginning and 64.1MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.51ms. Allocated memory is still 98.6MB. Free memory was 64.1MB in the beginning and 59.5MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 128.32ms. Allocated memory is still 98.6MB. Free memory was 59.5MB in the beginning and 55.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 995.79ms. Allocated memory was 98.6MB in the beginning and 136.3MB in the end (delta: 37.7MB). Free memory was 55.6MB in the beginning and 91.3MB in the end (delta: -35.7MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. * TraceAbstraction took 583.34ms. Allocated memory is still 136.3MB. Free memory was 90.5MB in the beginning and 61.2MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 4.66ms. Allocated memory is still 136.3MB. Free memory is still 61.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 17]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of to_int at line 121, overapproximation of someUnaryDOUBLEoperation at line 142, overapproximation of someBinaryArithmeticDOUBLEoperation at line 120, overapproximation of someBinaryDOUBLEComparisonOperation at line 155, overapproximation of to_real at line 122. Possible FailurePath: [L20-L112] const double T[362] = { 0.00000000000000, 0.01745240643728, 0.03489949670250, 0.05233595624294, 0.06975647374413, 0.08715574274766, 0.10452846326765, 0.12186934340515, 0.13917310096007, 0.15643446504023, 0.17364817766693, 0.19080899537654, 0.20791169081776, 0.22495105434386, 0.24192189559967, 0.25881904510252, 0.27563735581700, 0.29237170472274, 0.30901699437495, 0.32556815445716, 0.34202014332567, 0.35836794954530, 0.37460659341591, 0.39073112848927, 0.40673664307580, 0.42261826174070, 0.43837114678908, 0.45399049973955, 0.46947156278589, 0.48480962024634, 0.50000000000000, 0.51503807491005, 0.52991926423320, 0.54463903501503, 0.55919290347075, 0.57357643635105, 0.58778525229247, 0.60181502315205, 0.61566147532566, 0.62932039104984, 0.64278760968654, 0.65605902899051, 0.66913060635886, 0.68199836006250, 0.69465837045900, 0.70710678118655, 0.71933980033865, 0.73135370161917, 0.74314482547739, 0.75470958022277, 0.76604444311898, 0.77714596145697, 0.78801075360672, 0.79863551004729, 0.80901699437495, 0.81915204428899, 0.82903757255504, 0.83867056794542, 0.84804809615643, 0.85716730070211, 0.86602540378444, 0.87461970713940, 0.88294759285893, 0.89100652418837, 0.89879404629917, 0.90630778703665, 0.91354545764260, 0.92050485345244, 0.92718385456679, 0.93358042649720, 0.93969262078591, 0.94551857559932, 0.95105651629515, 0.95630475596304, 0.96126169593832, 0.96592582628907, 0.97029572627600, 0.97437006478524, 0.97814760073381, 0.98162718344766, 0.98480775301221, 0.98768834059514, 0.99026806874157, 0.99254615164132, 0.99452189536827, 0.99619469809175, 0.99756405025982, 0.99862953475457, 0.99939082701910, 0.99984769515639, 1.00000000000000, 0.99984769515639, 0.99939082701910, 0.99862953475457, 0.99756405025982, 0.99619469809175, 0.99452189536827, 0.99254615164132, 0.99026806874157, 0.98768834059514, 0.98480775301221, 0.98162718344766, 0.97814760073381, 0.97437006478524, 0.97029572627600, 0.96592582628907, 0.96126169593832, 0.95630475596304, 0.95105651629515, 0.94551857559932, 0.93969262078591, 0.93358042649720, 0.92718385456679, 0.92050485345244, 0.91354545764260, 0.90630778703665, 0.89879404629917, 0.89100652418837, 0.88294759285893, 0.87461970713940, 0.86602540378444, 0.85716730070211, 0.84804809615643, 0.83867056794542, 0.82903757255504, 0.81915204428899, 0.80901699437495, 0.79863551004729, 0.78801075360672, 0.77714596145697, 0.76604444311898, 0.75470958022277, 0.74314482547739, 0.73135370161917, 0.71933980033865, 0.70710678118655, 0.69465837045900, 0.68199836006250, 0.66913060635886, 0.65605902899051, 0.64278760968654, 0.62932039104984, 0.61566147532566, 0.60181502315205, 0.58778525229247, 0.57357643635105, 0.55919290347075, 0.54463903501503, 0.52991926423320, 0.51503807491005, 0.50000000000000, 0.48480962024634, 0.46947156278589, 0.45399049973955, 0.43837114678908, 0.42261826174070, 0.40673664307580, 0.39073112848927, 0.37460659341591, 0.35836794954530, 0.34202014332567, 0.32556815445716, 0.30901699437495, 0.29237170472274, 0.27563735581700, 0.25881904510252, 0.24192189559967, 0.22495105434387, 0.20791169081776, 0.19080899537654, 0.17364817766693, 0.15643446504023, 0.13917310096007, 0.12186934340515, 0.10452846326765, 0.08715574274766, 0.06975647374413, 0.05233595624294, 0.03489949670250, 0.01745240643728, 0.00000000000000, -0.01745240643728, -0.03489949670250, -0.05233595624294, -0.06975647374412, -0.08715574274766, -0.10452846326765, -0.12186934340515, -0.13917310096007, -0.15643446504023, -0.17364817766693, -0.19080899537654, -0.20791169081776, -0.22495105434386, -0.24192189559967, -0.25881904510252, -0.27563735581700, -0.29237170472274, -0.30901699437495, -0.32556815445716, -0.34202014332567, -0.35836794954530, -0.37460659341591, -0.39073112848927, -0.40673664307580, -0.42261826174070, -0.43837114678908, -0.45399049973955, -0.46947156278589, -0.48480962024634, -0.50000000000000, -0.51503807491005, -0.52991926423320, -0.54463903501503, -0.55919290347075, -0.57357643635105, -0.58778525229247, -0.60181502315205, -0.61566147532566, -0.62932039104984, -0.64278760968654, -0.65605902899051, -0.66913060635886, -0.68199836006250, -0.69465837045900, -0.70710678118655, -0.71933980033865, -0.73135370161917, -0.74314482547739, -0.75470958022277, -0.76604444311898, -0.77714596145697, -0.78801075360672, -0.79863551004729, -0.80901699437495, -0.81915204428899, -0.82903757255504, -0.83867056794542, -0.84804809615643, -0.85716730070211, -0.86602540378444, -0.87461970713940, -0.88294759285893, -0.89100652418837, -0.89879404629917, -0.90630778703665, -0.91354545764260, -0.92050485345244, -0.92718385456679, -0.93358042649720, -0.93969262078591, -0.94551857559932, -0.95105651629515, -0.95630475596304, -0.96126169593832, -0.96592582628907, -0.97029572627600, -0.97437006478524, -0.97814760073381, -0.98162718344766, -0.98480775301221, -0.98768834059514, -0.99026806874157, -0.99254615164132, -0.99452189536827, -0.99619469809175, -0.99756405025982, -0.99862953475457, -0.99939082701910, -0.99984769515639, -1.00000000000000, -0.99984769515639, -0.99939082701910, -0.99862953475457, -0.99756405025982, -0.99619469809175, -0.99452189536827, -0.99254615164132, -0.99026806874157, -0.98768834059514, -0.98480775301221, -0.98162718344766, -0.97814760073381, -0.97437006478524, -0.97029572627600, -0.96592582628907, -0.96126169593832, -0.95630475596304, -0.95105651629515, -0.94551857559932, -0.93969262078591, -0.93358042649720, -0.92718385456679, -0.92050485345244, -0.91354545764260, -0.90630778703665, -0.89879404629917, -0.89100652418837, -0.88294759285893, -0.87461970713940, -0.86602540378444, -0.85716730070211, -0.84804809615643, -0.83867056794542, -0.82903757255504, -0.81915204428899, -0.80901699437495, -0.79863551004729, -0.78801075360672, -0.77714596145697, -0.76604444311898, -0.75470958022277, -0.74314482547739, -0.73135370161917, -0.71933980033865, -0.70710678118655, -0.69465837045900, -0.68199836006250, -0.66913060635886, -0.65605902899051, -0.64278760968654, -0.62932039104984, -0.61566147532566, -0.60181502315205, -0.58778525229247, -0.57357643635105, -0.55919290347075, -0.54463903501503, -0.52991926423321, -0.51503807491005, -0.50000000000000, -0.48480962024634, -0.46947156278589, -0.45399049973955, -0.43837114678908, -0.42261826174070, -0.40673664307580, -0.39073112848927, -0.37460659341591, -0.35836794954530, -0.34202014332567, -0.32556815445716, -0.30901699437495, -0.29237170472274, -0.27563735581700, -0.25881904510252, -0.24192189559967, -0.22495105434387, -0.20791169081776, -0.19080899537654, -0.17364817766693, -0.15643446504023, -0.13917310096007, -0.12186934340515, -0.10452846326765, -0.08715574274766, -0.06975647374413, -0.05233595624294, -0.03489949670250, -0.01745240643728, 0, 0 }; [L148] double a, r; [L150] a = __VERIFIER_nondet_double() [L151] CALL assume_abort_if_not(a >= -1e10 && a <= 1e10) [L15] COND FALSE !(!cond) [L151] RET assume_abort_if_not(a >= -1e10 && a <= 1e10) [L153] CALL, EXPR SIN(a) [L142] COND TRUE x<0 VAL [\old(x)=2901, T={4:0}, x=2901] [L142] CALL, EXPR SIN_POS(-x) VAL [T={4:0}] [L136] COND FALSE !(x>180) VAL [\old(x)=2904, T={4:0}, x=2904] [L137] CALL, EXPR SIN_180(x) VAL [\old(x)=2904, T={4:0}] [L130] COND TRUE x<0 VAL [\old(x)=2904, T={4:0}, x=2904] [L130] CALL, EXPR SIN_0_180(-x) VAL [T={4:0}] [L117] double dx, i_dx, v_inf; [L118] double v_sup; [L119] int i; [L120] dx = 2*x [L121] i = dx [L122] i_dx = i [L123] EXPR T[i] [L123] v_inf = T[i] [L124] EXPR T[i+1] [L124] v_sup = T[i+1] [L125] return v_inf + (dx - i_dx) * (v_sup - v_inf); [L130] RET, EXPR SIN_0_180(-x) VAL [\old(x)=2904, SIN_0_180(-x)=2900, T={4:0}, x=2904] [L130] return -SIN_0_180(-x); [L137] RET, EXPR SIN_180(x) VAL [\old(x)=2904, SIN_180(x)=2906, T={4:0}, x=2904] [L137] return SIN_180(x); [L142] RET, EXPR SIN_POS(-x) VAL [\old(x)=2901, SIN_POS(-x)=2906, T={4:0}, x=2901] [L142] return -SIN_POS(-x); [L153] RET, EXPR SIN(a) [L153] r = SIN(a) [L155] CALL __VERIFIER_assert(r >= -1.6 && r <= 1.6) [L17] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, T={4:0}] [L17] reach_error() VAL [\old(cond)=0, cond=0, T={4:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-10-17 17:22:57,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta/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_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_tight.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta --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 4f06c627005526bf7352f5af3bf213732c8f95aaddbc4d58e55a979b56de8616 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:22:59,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:22:59,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:22:59,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:22:59,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:22:59,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:22:59,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:22:59,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:22:59,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:22:59,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:22:59,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:22:59,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:22:59,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:22:59,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:22:59,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:22:59,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:22:59,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:22:59,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:22:59,981 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:22:59,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:22:59,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:22:59,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:22:59,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:22:59,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:23:00,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:23:00,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:23:00,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:23:00,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:23:00,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:23:00,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:23:00,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:23:00,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:23:00,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:23:00,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:23:00,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:23:00,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:23:00,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:23:00,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:23:00,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:23:00,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:23:00,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:23:00,030 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-10-17 17:23:00,073 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:23:00,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:23:00,075 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:23:00,075 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:23:00,076 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:23:00,076 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:23:00,076 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:23:00,077 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:23:00,077 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:23:00,077 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:23:00,078 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:23:00,078 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:23:00,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:23:00,080 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:23:00,080 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:23:00,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:23:00,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:23:00,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:23:00,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:23:00,081 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 17:23:00,081 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 17:23:00,081 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 17:23:00,082 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:23:00,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:23:00,082 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:23:00,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:23:00,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:23:00,083 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 17:23:00,083 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:23:00,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:23:00,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:23:00,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:23:00,084 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:23:00,084 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 17:23:00,084 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 17:23:00,085 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:23:00,085 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:23:00,085 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 17:23:00,085 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_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f06c627005526bf7352f5af3bf213732c8f95aaddbc4d58e55a979b56de8616 [2022-10-17 17:23:00,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:23:00,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:23:00,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:23:00,477 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:23:00,481 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:23:00,482 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_tight.c [2022-10-17 17:23:00,569 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta/data/90bc6749d/05047cda815b450ab0cc43e0adb90f61/FLAG62d55c477 [2022-10-17 17:23:01,140 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:23:01,142 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_tight.c [2022-10-17 17:23:01,151 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta/data/90bc6749d/05047cda815b450ab0cc43e0adb90f61/FLAG62d55c477 [2022-10-17 17:23:01,492 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta/data/90bc6749d/05047cda815b450ab0cc43e0adb90f61 [2022-10-17 17:23:01,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:23:01,496 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:23:01,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:23:01,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:23:01,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:23:01,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:23:01" (1/1) ... [2022-10-17 17:23:01,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@160243b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:01, skipping insertion in model container [2022-10-17 17:23:01,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:23:01" (1/1) ... [2022-10-17 17:23:01,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:23:01,532 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:23:01,677 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_tight.c[690,703] [2022-10-17 17:23:01,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:23:01,835 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:23:01,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_tight.c[690,703] [2022-10-17 17:23:01,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:23:01,987 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:23:01,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:01 WrapperNode [2022-10-17 17:23:01,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:23:01,989 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:23:01,989 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:23:01,989 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:23:01,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:01" (1/1) ... [2022-10-17 17:23:02,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:01" (1/1) ... [2022-10-17 17:23:02,086 INFO L138 Inliner]: procedures = 22, calls = 381, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 405 [2022-10-17 17:23:02,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:23:02,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:23:02,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:23:02,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:23:02,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:01" (1/1) ... [2022-10-17 17:23:02,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:01" (1/1) ... [2022-10-17 17:23:02,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:01" (1/1) ... [2022-10-17 17:23:02,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:01" (1/1) ... [2022-10-17 17:23:02,178 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:01" (1/1) ... [2022-10-17 17:23:02,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:01" (1/1) ... [2022-10-17 17:23:02,186 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:01" (1/1) ... [2022-10-17 17:23:02,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:01" (1/1) ... [2022-10-17 17:23:02,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:23:02,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:23:02,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:23:02,200 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:23:02,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:01" (1/1) ... [2022-10-17 17:23:02,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:23:02,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta/z3 [2022-10-17 17:23:02,263 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 17:23:02,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 17:23:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:23:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-10-17 17:23:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_POS [2022-10-17 17:23:02,328 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_POS [2022-10-17 17:23:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 17:23:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_0_180 [2022-10-17 17:23:02,328 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_0_180 [2022-10-17 17:23:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_180 [2022-10-17 17:23:02,328 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_180 [2022-10-17 17:23:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2022-10-17 17:23:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:23:02,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:23:02,457 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:23:02,474 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:23:06,102 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:23:06,109 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:23:06,109 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 17:23:06,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:23:06 BoogieIcfgContainer [2022-10-17 17:23:06,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:23:06,114 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 17:23:06,114 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 17:23:06,117 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 17:23:06,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 05:23:01" (1/3) ... [2022-10-17 17:23:06,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@566d5a79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:23:06, skipping insertion in model container [2022-10-17 17:23:06,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:01" (2/3) ... [2022-10-17 17:23:06,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@566d5a79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:23:06, skipping insertion in model container [2022-10-17 17:23:06,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:23:06" (3/3) ... [2022-10-17 17:23:06,120 INFO L112 eAbstractionObserver]: Analyzing ICFG sin_interpolated_bigrange_tight.c [2022-10-17 17:23:06,139 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 17:23:06,140 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 17:23:06,191 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 17:23:06,200 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@31a493ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 17:23:06,200 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 17:23:06,205 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 25 states have (on average 1.24) internal successors, (31), 26 states have internal predecessors, (31), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-10-17 17:23:06,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 17:23:06,214 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:23:06,215 INFO L195 NwaCegarLoop]: 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] [2022-10-17 17:23:06,238 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:23:06,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:23:06,248 INFO L85 PathProgramCache]: Analyzing trace with hash 622704025, now seen corresponding path program 1 times [2022-10-17 17:23:06,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-10-17 17:23:06,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1702812960] [2022-10-17 17:23:06,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:23:06,270 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-10-17 17:23:06,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta/mathsat [2022-10-17 17:23:06,281 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-10-17 17:23:06,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5f5fcfe-705a-4bab-92d8-aa84d757c277/bin/utaipan-G1rejxKTta/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process