./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7/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_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7 --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 --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:20:19,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:20:19,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:20:19,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:20:19,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:20:19,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:20:19,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:20:19,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:20:19,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:20:19,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:20:19,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:20:19,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:20:19,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:20:19,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:20:19,178 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:20:19,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:20:19,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:20:19,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:20:19,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:20:19,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:20:19,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:20:19,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:20:19,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:20:19,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:20:19,196 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:20:19,196 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:20:19,197 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:20:19,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:20:19,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:20:19,200 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:20:19,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:20:19,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:20:19,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:20:19,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:20:19,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:20:19,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:20:19,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:20:19,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:20:19,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:20:19,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:20:19,209 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:20:19,210 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 18:20:19,236 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:20:19,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:20:19,237 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:20:19,237 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:20:19,238 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:20:19,239 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:20:19,239 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:20:19,239 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:20:19,240 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:20:19,240 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:20:19,240 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:20:19,241 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:20:19,241 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:20:19,241 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:20:19,241 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:20:19,242 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:20:19,242 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:20:19,242 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:20:19,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:20:19,243 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:20:19,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:20:19,244 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:20:19,244 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:20:19,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:20:19,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:20:19,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:20:19,245 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:20:19,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:20:19,246 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:20:19,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:20:19,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:20:19,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:20:19,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:20:19,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:20:19,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:20:19,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:20:19,248 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:20:19,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:20:19,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:20:19,248 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:20:19,249 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:20:19,249 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_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f06c627005526bf7352f5af3bf213732c8f95aaddbc4d58e55a979b56de8616 [2021-11-25 18:20:19,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:20:19,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:20:19,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:20:19,545 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:20:19,546 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:20:19,547 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_tight.c [2021-11-25 18:20:19,625 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7/data/5f2992658/6c93e5ef296940c188eec6194943d1ef/FLAG97c06a7f1 [2021-11-25 18:20:20,167 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:20:20,176 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f403e5-01fe-44c9-96af-3f49fcb42fb9/sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_tight.c [2021-11-25 18:20:20,187 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7/data/5f2992658/6c93e5ef296940c188eec6194943d1ef/FLAG97c06a7f1 [2021-11-25 18:20:20,495 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7/data/5f2992658/6c93e5ef296940c188eec6194943d1ef [2021-11-25 18:20:20,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:20:20,501 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:20:20,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:20:20,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:20:20,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:20:20,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:20:20" (1/1) ... [2021-11-25 18:20:20,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d3bcaf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:20, skipping insertion in model container [2021-11-25 18:20:20,512 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:20:20" (1/1) ... [2021-11-25 18:20:20,520 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:20:20,548 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:20:20,766 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_25f403e5-01fe-44c9-96af-3f49fcb42fb9/sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_tight.c[690,703] [2021-11-25 18:20:20,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:20:20,907 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:20:20,919 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_25f403e5-01fe-44c9-96af-3f49fcb42fb9/sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_tight.c[690,703] [2021-11-25 18:20:20,936 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:20:20,990 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:20:20,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:20 WrapperNode [2021-11-25 18:20:20,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:20:20,991 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:20:20,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:20:20,992 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:20:20,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:20" (1/1) ... [2021-11-25 18:20:21,018 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:20" (1/1) ... [2021-11-25 18:20:21,060 INFO L137 Inliner]: procedures = 21, calls = 381, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 404 [2021-11-25 18:20:21,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:20:21,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:20:21,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:20:21,061 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:20:21,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:20" (1/1) ... [2021-11-25 18:20:21,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:20" (1/1) ... [2021-11-25 18:20:21,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:20" (1/1) ... [2021-11-25 18:20:21,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:20" (1/1) ... [2021-11-25 18:20:21,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:20" (1/1) ... [2021-11-25 18:20:21,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:20" (1/1) ... [2021-11-25 18:20:21,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:20" (1/1) ... [2021-11-25 18:20:21,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:20:21,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:20:21,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:20:21,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:20:21,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:20" (1/1) ... [2021-11-25 18:20:21,150 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:20:21,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:20:21,191 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:20:21,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:20:21,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:20:21,240 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_POS [2021-11-25 18:20:21,240 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_POS [2021-11-25 18:20:21,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:20:21,241 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_0_180 [2021-11-25 18:20:21,241 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_0_180 [2021-11-25 18:20:21,241 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_180 [2021-11-25 18:20:21,241 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_180 [2021-11-25 18:20:21,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-25 18:20:21,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:20:21,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:20:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-25 18:20:21,341 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:20:21,343 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:20:21,830 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:20:21,937 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:20:21,937 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 18:20:21,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:20:21 BoogieIcfgContainer [2021-11-25 18:20:21,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:20:21,944 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:20:21,944 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:20:21,948 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:20:21,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:20:20" (1/3) ... [2021-11-25 18:20:21,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1688616e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:20:21, skipping insertion in model container [2021-11-25 18:20:21,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:20" (2/3) ... [2021-11-25 18:20:21,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1688616e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:20:21, skipping insertion in model container [2021-11-25 18:20:21,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:20:21" (3/3) ... [2021-11-25 18:20:21,952 INFO L111 eAbstractionObserver]: Analyzing ICFG sin_interpolated_bigrange_tight.c [2021-11-25 18:20:21,960 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:20:21,961 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:20:22,027 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:20:22,036 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 [2021-11-25 18:20:22,036 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:20:22,059 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) [2021-11-25 18:20:22,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 18:20:22,068 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:22,069 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:22,070 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:20:22,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:22,076 INFO L85 PathProgramCache]: Analyzing trace with hash -504850947, now seen corresponding path program 1 times [2021-11-25 18:20:22,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:22,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507201975] [2021-11-25 18:20:22,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:22,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 18:20:22,365 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 18:20:22,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 18:20:22,526 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-25 18:20:22,528 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-25 18:20:22,530 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 18:20:22,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:20:22,538 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-25 18:20:22,541 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 18:20:22,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:20:22 BoogieIcfgContainer [2021-11-25 18:20:22,601 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 18:20:22,605 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 18:20:22,605 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 18:20:22,606 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 18:20:22,606 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:20:21" (3/4) ... [2021-11-25 18:20:22,610 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-25 18:20:22,611 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 18:20:22,613 INFO L158 Benchmark]: Toolchain (without parser) took 2110.09ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 57.6MB in the beginning and 85.0MB in the end (delta: -27.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 18:20:22,614 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 92.3MB. Free memory was 62.2MB in the beginning and 62.2MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 18:20:22,615 INFO L158 Benchmark]: CACSL2BoogieTranslator took 485.52ms. Allocated memory is still 92.3MB. Free memory was 57.4MB in the beginning and 57.1MB in the end (delta: 312.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 18:20:22,616 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.20ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 52.6MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 18:20:22,618 INFO L158 Benchmark]: Boogie Preprocessor took 79.50ms. Allocated memory is still 92.3MB. Free memory was 52.6MB in the beginning and 49.3MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 18:20:22,623 INFO L158 Benchmark]: RCFGBuilder took 799.10ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 49.3MB in the beginning and 75.0MB in the end (delta: -25.7MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2021-11-25 18:20:22,625 INFO L158 Benchmark]: TraceAbstraction took 657.93ms. Allocated memory is still 115.3MB. Free memory was 74.4MB in the beginning and 85.0MB in the end (delta: -10.6MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2021-11-25 18:20:22,626 INFO L158 Benchmark]: Witness Printer took 5.69ms. Allocated memory is still 115.3MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 18:20:22,635 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 92.3MB. Free memory was 62.2MB in the beginning and 62.2MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 485.52ms. Allocated memory is still 92.3MB. Free memory was 57.4MB in the beginning and 57.1MB in the end (delta: 312.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.20ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 52.6MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.50ms. Allocated memory is still 92.3MB. Free memory was 52.6MB in the beginning and 49.3MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 799.10ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 49.3MB in the beginning and 75.0MB in the end (delta: -25.7MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * TraceAbstraction took 657.93ms. Allocated memory is still 115.3MB. Free memory was 74.4MB in the beginning and 85.0MB in the end (delta: -10.6MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Witness Printer took 5.69ms. Allocated memory is still 115.3MB. Free memory is still 85.0MB. 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 130, 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, 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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, 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-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 FALSE !(x<0) VAL [\old(x)=2897, T={4:0}, x=2897] [L143] CALL, EXPR SIN_POS(x) VAL [\old(x)=2897, T={4:0}] [L136] COND TRUE x>180 VAL [\old(x)=2897, T={4:0}, x=2897] [L136] CALL, EXPR SIN_180(x-360.*(int)((x+180.)/360.)) VAL [T={4:0}] [L130] COND TRUE x<0 VAL [\old(x)=2902, T={4:0}, x=2902] [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)=2902, SIN_0_180(-x)=2898, T={4:0}, x=2902] [L130] return -SIN_0_180(-x); [L136] RET, EXPR SIN_180(x-360.*(int)((x+180.)/360.)) VAL [\old(x)=2897, SIN_180(x-360.*(int)((x+180.)/360.))=2901, T={4:0}, x=2897] [L136] return SIN_180(x-360.*(int)((x+180.)/360.)); [L143] RET, EXPR SIN_POS(x) VAL [\old(x)=2897, SIN_POS(x)=2901, T={4:0}, x=2897] [L143] 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 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, 0.2s 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 [2021-11-25 18:20:22,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7/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_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7/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_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7 --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 --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:20:25,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:20:25,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:20:25,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:20:25,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:20:25,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:20:25,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:20:25,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:20:25,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:20:25,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:20:25,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:20:25,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:20:25,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:20:25,188 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:20:25,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:20:25,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:20:25,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:20:25,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:20:25,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:20:25,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:20:25,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:20:25,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:20:25,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:20:25,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:20:25,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:20:25,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:20:25,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:20:25,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:20:25,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:20:25,230 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:20:25,231 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:20:25,232 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:20:25,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:20:25,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:20:25,237 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:20:25,237 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:20:25,238 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:20:25,238 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:20:25,239 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:20:25,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:20:25,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:20:25,246 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-25 18:20:25,292 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:20:25,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:20:25,294 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:20:25,294 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:20:25,295 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:20:25,295 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:20:25,295 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:20:25,296 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:20:25,296 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:20:25,296 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:20:25,297 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:20:25,298 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:20:25,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:20:25,300 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:20:25,300 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:20:25,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:20:25,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:20:25,301 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:20:25,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:20:25,301 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 18:20:25,301 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 18:20:25,301 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 18:20:25,302 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:20:25,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:20:25,302 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:20:25,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:20:25,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:20:25,303 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 18:20:25,303 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:20:25,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:20:25,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:20:25,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:20:25,305 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:20:25,305 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 18:20:25,305 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 18:20:25,306 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:20:25,306 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:20:25,306 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:20:25,307 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_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f06c627005526bf7352f5af3bf213732c8f95aaddbc4d58e55a979b56de8616 [2021-11-25 18:20:25,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:20:25,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:20:25,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:20:25,761 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:20:25,764 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:20:25,766 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_tight.c [2021-11-25 18:20:25,851 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7/data/c52f3a715/c5633012b3f14d29a3a421fbe185151f/FLAG3dbdd216c [2021-11-25 18:20:26,416 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:20:26,416 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f403e5-01fe-44c9-96af-3f49fcb42fb9/sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_tight.c [2021-11-25 18:20:26,424 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7/data/c52f3a715/c5633012b3f14d29a3a421fbe185151f/FLAG3dbdd216c [2021-11-25 18:20:26,767 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7/data/c52f3a715/c5633012b3f14d29a3a421fbe185151f [2021-11-25 18:20:26,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:20:26,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:20:26,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:20:26,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:20:26,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:20:26,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:20:26" (1/1) ... [2021-11-25 18:20:26,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d7fe421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:26, skipping insertion in model container [2021-11-25 18:20:26,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:20:26" (1/1) ... [2021-11-25 18:20:26,805 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:20:26,827 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:20:26,959 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_25f403e5-01fe-44c9-96af-3f49fcb42fb9/sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_tight.c[690,703] [2021-11-25 18:20:27,021 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:20:27,118 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:20:27,131 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_25f403e5-01fe-44c9-96af-3f49fcb42fb9/sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_tight.c[690,703] [2021-11-25 18:20:27,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:20:27,311 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:20:27,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:27 WrapperNode [2021-11-25 18:20:27,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:20:27,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:20:27,313 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:20:27,313 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:20:27,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:27" (1/1) ... [2021-11-25 18:20:27,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:27" (1/1) ... [2021-11-25 18:20:27,432 INFO L137 Inliner]: procedures = 22, calls = 381, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 405 [2021-11-25 18:20:27,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:20:27,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:20:27,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:20:27,434 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:20:27,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:27" (1/1) ... [2021-11-25 18:20:27,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:27" (1/1) ... [2021-11-25 18:20:27,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:27" (1/1) ... [2021-11-25 18:20:27,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:27" (1/1) ... [2021-11-25 18:20:27,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:27" (1/1) ... [2021-11-25 18:20:27,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:27" (1/1) ... [2021-11-25 18:20:27,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:27" (1/1) ... [2021-11-25 18:20:27,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:20:27,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:20:27,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:20:27,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:20:27,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:27" (1/1) ... [2021-11-25 18:20:27,528 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:20:27,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:20:27,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:20:27,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:20:27,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:20:27,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-25 18:20:27,619 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_POS [2021-11-25 18:20:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_POS [2021-11-25 18:20:27,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-25 18:20:27,619 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_0_180 [2021-11-25 18:20:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_0_180 [2021-11-25 18:20:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_180 [2021-11-25 18:20:27,620 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_180 [2021-11-25 18:20:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-11-25 18:20:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:20:27,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:20:27,755 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:20:27,756 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:20:31,043 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:20:31,049 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:20:31,050 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 18:20:31,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:20:31 BoogieIcfgContainer [2021-11-25 18:20:31,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:20:31,053 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:20:31,054 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:20:31,056 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:20:31,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:20:26" (1/3) ... [2021-11-25 18:20:31,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f0afc40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:20:31, skipping insertion in model container [2021-11-25 18:20:31,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:27" (2/3) ... [2021-11-25 18:20:31,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f0afc40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:20:31, skipping insertion in model container [2021-11-25 18:20:31,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:20:31" (3/3) ... [2021-11-25 18:20:31,060 INFO L111 eAbstractionObserver]: Analyzing ICFG sin_interpolated_bigrange_tight.c [2021-11-25 18:20:31,065 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:20:31,066 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:20:31,114 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:20:31,121 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 [2021-11-25 18:20:31,121 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:20:31,136 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) [2021-11-25 18:20:31,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 18:20:31,143 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:31,143 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:31,144 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:20:31,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:31,150 INFO L85 PathProgramCache]: Analyzing trace with hash 622704025, now seen corresponding path program 1 times [2021-11-25 18:20:31,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 18:20:31,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [298970342] [2021-11-25 18:20:31,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:31,177 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 18:20:31,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 18:20:31,185 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 18:20:31,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f403e5-01fe-44c9-96af-3f49fcb42fb9/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process