./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 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/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_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8 --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 0.2.1-dev-47ea020 [2021-11-07 00:53:34,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:53:34,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:53:34,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:53:34,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:53:34,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:53:34,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:53:34,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:53:34,204 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:53:34,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:53:34,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:53:34,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:53:34,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:53:34,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:53:34,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:53:34,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:53:34,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:53:34,230 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:53:34,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:53:34,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:53:34,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:53:34,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:53:34,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:53:34,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:53:34,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:53:34,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:53:34,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:53:34,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:53:34,264 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:53:34,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:53:34,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:53:34,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:53:34,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:53:34,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:53:34,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:53:34,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:53:34,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:53:34,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:53:34,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:53:34,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:53:34,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:53:34,278 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 00:53:34,330 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:53:34,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:53:34,331 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:53:34,331 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:53:34,332 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:53:34,332 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:53:34,332 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 00:53:34,332 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:53:34,332 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:53:34,333 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 00:53:34,333 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 00:53:34,333 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:53:34,333 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 00:53:34,333 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 00:53:34,334 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 00:53:34,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:53:34,335 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:53:34,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 00:53:34,336 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:53:34,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:53:34,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:53:34,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:53:34,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:53:34,337 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:53:34,338 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:53:34,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:53:34,338 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:53:34,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:53:34,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:53:34,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:53:34,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:53:34,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:53:34,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:53:34,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:53:34,342 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 00:53:34,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 00:53:34,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:53:34,343 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:53:34,344 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:53:34,344 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_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f06c627005526bf7352f5af3bf213732c8f95aaddbc4d58e55a979b56de8616 [2021-11-07 00:53:34,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:53:34,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:53:34,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:53:34,640 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:53:34,641 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:53:34,642 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_tight.c [2021-11-07 00:53:34,728 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/data/f79f75759/bbb77bcba8d74c2e9051e25a56816318/FLAG5d5a3e0f6 [2021-11-07 00:53:35,185 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:53:35,191 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_tight.c [2021-11-07 00:53:35,213 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/data/f79f75759/bbb77bcba8d74c2e9051e25a56816318/FLAG5d5a3e0f6 [2021-11-07 00:53:35,699 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/data/f79f75759/bbb77bcba8d74c2e9051e25a56816318 [2021-11-07 00:53:35,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:53:35,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:53:35,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:53:35,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:53:35,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:53:35,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:35" (1/1) ... [2021-11-07 00:53:35,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@657676fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:35, skipping insertion in model container [2021-11-07 00:53:35,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:35" (1/1) ... [2021-11-07 00:53:35,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:53:35,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:53:35,924 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_tight.c[690,703] [2021-11-07 00:53:35,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:53:36,036 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 00:53:36,046 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_tight.c[690,703] [2021-11-07 00:53:36,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:53:36,159 INFO L208 MainTranslator]: Completed translation [2021-11-07 00:53:36,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:36 WrapperNode [2021-11-07 00:53:36,159 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:53:36,160 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 00:53:36,161 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 00:53:36,161 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 00:53:36,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:36" (1/1) ... [2021-11-07 00:53:36,210 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:36" (1/1) ... [2021-11-07 00:53:36,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 00:53:36,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 00:53:36,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 00:53:36,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 00:53:36,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:36" (1/1) ... [2021-11-07 00:53:36,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:36" (1/1) ... [2021-11-07 00:53:36,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:36" (1/1) ... [2021-11-07 00:53:36,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:36" (1/1) ... [2021-11-07 00:53:36,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:36" (1/1) ... [2021-11-07 00:53:36,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:36" (1/1) ... [2021-11-07 00:53:36,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:36" (1/1) ... [2021-11-07 00:53:36,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 00:53:36,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 00:53:36,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 00:53:36,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 00:53:36,363 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:36" (1/1) ... [2021-11-07 00:53:36,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:53:36,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:53:36,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 00:53:36,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 00:53:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 00:53:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 00:53:36,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-07 00:53:36,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 00:53:36,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 00:53:36,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-07 00:53:37,811 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 00:53:37,811 INFO L299 CfgBuilder]: Removed 38 assume(true) statements. [2021-11-07 00:53:37,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:53:37 BoogieIcfgContainer [2021-11-07 00:53:37,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 00:53:37,816 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 00:53:37,816 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 00:53:37,830 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 00:53:37,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:53:35" (1/3) ... [2021-11-07 00:53:37,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c69e1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:53:37, skipping insertion in model container [2021-11-07 00:53:37,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:36" (2/3) ... [2021-11-07 00:53:37,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c69e1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:53:37, skipping insertion in model container [2021-11-07 00:53:37,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:53:37" (3/3) ... [2021-11-07 00:53:37,833 INFO L111 eAbstractionObserver]: Analyzing ICFG sin_interpolated_bigrange_tight.c [2021-11-07 00:53:37,840 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 00:53:37,841 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 00:53:37,907 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 00:53:37,917 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 [2021-11-07 00:53:37,918 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 00:53:37,933 INFO L276 IsEmpty]: Start isEmpty. Operand has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:37,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-07 00:53:37,938 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:37,938 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-07 00:53:37,939 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:53:37,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:37,959 INFO L85 PathProgramCache]: Analyzing trace with hash 150460, now seen corresponding path program 1 times [2021-11-07 00:53:37,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 00:53:37,970 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507785345] [2021-11-07 00:53:37,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:37,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:53:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 00:53:38,241 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 00:53:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 00:53:38,383 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-07 00:53:38,386 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 00:53:38,387 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:53:38,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 00:53:38,393 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-11-07 00:53:38,396 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 00:53:38,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:53:38 BoogieIcfgContainer [2021-11-07 00:53:38,440 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 00:53:38,444 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 00:53:38,444 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 00:53:38,444 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 00:53:38,445 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:53:37" (3/4) ... [2021-11-07 00:53:38,448 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 00:53:38,449 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 00:53:38,451 INFO L168 Benchmark]: Toolchain (without parser) took 2745.70 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 75.1 MB in the beginning and 59.3 MB in the end (delta: 15.8 MB). Peak memory consumption was 49.9 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:38,453 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 79.7 MB. Free memory is still 58.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:53:38,454 INFO L168 Benchmark]: CACSL2BoogieTranslator took 453.31 ms. Allocated memory is still 96.5 MB. Free memory was 74.8 MB in the beginning and 61.7 MB in the end (delta: 13.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:38,455 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.42 ms. Allocated memory is still 96.5 MB. Free memory was 61.7 MB in the beginning and 56.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:38,456 INFO L168 Benchmark]: Boogie Preprocessor took 79.18 ms. Allocated memory is still 96.5 MB. Free memory was 56.3 MB in the beginning and 52.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:38,457 INFO L168 Benchmark]: RCFGBuilder took 1453.90 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 52.4 MB in the beginning and 98.0 MB in the end (delta: -45.5 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:38,464 INFO L168 Benchmark]: TraceAbstraction took 624.48 ms. Allocated memory is still 130.0 MB. Free memory was 97.2 MB in the beginning and 60.0 MB in the end (delta: 37.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:38,464 INFO L168 Benchmark]: Witness Printer took 5.18 ms. Allocated memory is still 130.0 MB. Free memory was 60.0 MB in the beginning and 59.3 MB in the end (delta: 744.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:53:38,472 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 79.7 MB. Free memory is still 58.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 453.31 ms. Allocated memory is still 96.5 MB. Free memory was 74.8 MB in the beginning and 61.7 MB in the end (delta: 13.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 119.42 ms. Allocated memory is still 96.5 MB. Free memory was 61.7 MB in the beginning and 56.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 79.18 ms. Allocated memory is still 96.5 MB. Free memory was 56.3 MB in the beginning and 52.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1453.90 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 52.4 MB in the beginning and 98.0 MB in the end (delta: -45.5 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 624.48 ms. Allocated memory is still 130.0 MB. Free memory was 97.2 MB in the beginning and 60.0 MB in the end (delta: 37.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * Witness Printer took 5.18 ms. Allocated memory is still 130.0 MB. Free memory was 60.0 MB in the beginning and 59.3 MB in the end (delta: 744.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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 66, overapproximation of someBinaryArithmeticDOUBLEoperation at line 120, overapproximation of someBinaryDOUBLEComparisonOperation at line 151, overapproximation of to_real at line 20. 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() [L15] COND FALSE !(!cond) [L142] COND FALSE !(x<0) [L136] COND FALSE !(x>180) [L130] COND TRUE x<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] return -SIN_0_180(-x); [L137] return SIN_180(x); [L143] return SIN_POS(x); [L153] r = SIN(a) [L17] COND TRUE !(cond) VAL [T={6:0}] [L17] reach_error() VAL [T={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 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, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred 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, 3 NumberOfCodeBlocks, 3 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 [2021-11-07 00:53:38,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/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_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/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_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8 --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 0.2.1-dev-47ea020 [2021-11-07 00:53:40,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:53:40,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:53:41,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:53:41,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:53:41,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:53:41,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:53:41,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:53:41,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:53:41,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:53:41,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:53:41,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:53:41,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:53:41,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:53:41,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:53:41,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:53:41,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:53:41,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:53:41,048 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:53:41,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:53:41,052 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:53:41,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:53:41,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:53:41,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:53:41,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:53:41,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:53:41,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:53:41,062 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:53:41,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:53:41,064 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:53:41,064 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:53:41,065 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:53:41,066 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:53:41,067 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:53:41,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:53:41,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:53:41,069 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:53:41,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:53:41,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:53:41,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:53:41,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:53:41,091 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 00:53:41,134 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:53:41,134 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:53:41,140 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:53:41,141 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:53:41,141 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:53:41,142 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:53:41,144 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:53:41,145 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:53:41,146 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:53:41,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:53:41,148 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:53:41,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:53:41,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:53:41,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:53:41,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:53:41,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:53:41,150 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:53:41,150 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 00:53:41,150 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 00:53:41,151 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:53:41,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:53:41,151 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:53:41,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:53:41,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:53:41,152 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 00:53:41,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:53:41,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:53:41,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:53:41,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:53:41,153 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:53:41,154 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 00:53:41,154 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 00:53:41,154 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:53:41,154 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:53:41,155 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:53:41,155 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_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f06c627005526bf7352f5af3bf213732c8f95aaddbc4d58e55a979b56de8616 [2021-11-07 00:53:41,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:53:41,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:53:41,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:53:41,565 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:53:41,566 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:53:41,567 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_tight.c [2021-11-07 00:53:41,658 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/data/b8a946ed3/6123e1065ed647cd9ad1bf60e38e7d51/FLAG56251e98a [2021-11-07 00:53:42,189 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:53:42,191 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_tight.c [2021-11-07 00:53:42,200 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/data/b8a946ed3/6123e1065ed647cd9ad1bf60e38e7d51/FLAG56251e98a [2021-11-07 00:53:42,546 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/data/b8a946ed3/6123e1065ed647cd9ad1bf60e38e7d51 [2021-11-07 00:53:42,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:53:42,553 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:53:42,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:53:42,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:53:42,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:53:42,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:42" (1/1) ... [2021-11-07 00:53:42,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78fdf41f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:42, skipping insertion in model container [2021-11-07 00:53:42,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:42" (1/1) ... [2021-11-07 00:53:42,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:53:42,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:53:42,744 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_tight.c[690,703] [2021-11-07 00:53:42,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:53:42,864 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 00:53:42,897 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/sv-benchmarks/c/float-benchs/sin_interpolated_bigrange_tight.c[690,703] [2021-11-07 00:53:42,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:53:43,086 INFO L208 MainTranslator]: Completed translation [2021-11-07 00:53:43,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:43 WrapperNode [2021-11-07 00:53:43,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:53:43,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 00:53:43,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 00:53:43,088 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 00:53:43,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:43" (1/1) ... [2021-11-07 00:53:43,122 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:43" (1/1) ... [2021-11-07 00:53:43,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 00:53:43,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 00:53:43,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 00:53:43,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 00:53:43,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:43" (1/1) ... [2021-11-07 00:53:43,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:43" (1/1) ... [2021-11-07 00:53:43,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:43" (1/1) ... [2021-11-07 00:53:43,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:43" (1/1) ... [2021-11-07 00:53:43,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:43" (1/1) ... [2021-11-07 00:53:43,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:43" (1/1) ... [2021-11-07 00:53:43,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:43" (1/1) ... [2021-11-07 00:53:43,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 00:53:43,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 00:53:43,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 00:53:43,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 00:53:43,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:43" (1/1) ... [2021-11-07 00:53:43,272 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:53:43,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:53:43,299 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 00:53:43,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 00:53:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-07 00:53:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 00:53:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 00:53:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-11-07 00:53:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 00:53:43,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 00:54:05,899 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 00:54:05,900 INFO L299 CfgBuilder]: Removed 38 assume(true) statements. [2021-11-07 00:54:05,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:54:05 BoogieIcfgContainer [2021-11-07 00:54:05,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 00:54:05,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 00:54:05,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 00:54:05,932 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 00:54:05,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:53:42" (1/3) ... [2021-11-07 00:54:05,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fed758a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:54:05, skipping insertion in model container [2021-11-07 00:54:05,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:43" (2/3) ... [2021-11-07 00:54:05,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fed758a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:54:05, skipping insertion in model container [2021-11-07 00:54:05,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:54:05" (3/3) ... [2021-11-07 00:54:05,936 INFO L111 eAbstractionObserver]: Analyzing ICFG sin_interpolated_bigrange_tight.c [2021-11-07 00:54:05,941 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 00:54:05,941 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 00:54:05,987 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 00:54:05,994 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 [2021-11-07 00:54:05,995 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 00:54:06,012 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:06,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-07 00:54:06,019 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:06,020 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:54:06,020 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:54:06,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:06,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1678942513, now seen corresponding path program 1 times [2021-11-07 00:54:06,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:06,051 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2070455106] [2021-11-07 00:54:06,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:06,052 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:06,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:06,054 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:06,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 00:54:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:09,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 1141 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 00:54:09,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:09,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:09,399 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:09,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:54:09,494 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:09,494 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2070455106] [2021-11-07 00:54:09,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2070455106] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:09,495 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:54:09,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 00:54:09,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926935251] [2021-11-07 00:54:09,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 00:54:09,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:09,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 00:54:09,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:54:09,519 INFO L87 Difference]: Start difference. First operand has 33 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:09,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:09,537 INFO L93 Difference]: Finished difference Result 63 states and 78 transitions. [2021-11-07 00:54:09,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 00:54:09,539 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-07 00:54:09,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:09,547 INFO L225 Difference]: With dead ends: 63 [2021-11-07 00:54:09,548 INFO L226 Difference]: Without dead ends: 29 [2021-11-07 00:54:09,551 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:54:09,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-11-07 00:54:09,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-11-07 00:54:09,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:09,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 35 transitions. [2021-11-07 00:54:09,584 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 35 transitions. Word has length 13 [2021-11-07 00:54:09,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:09,585 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 35 transitions. [2021-11-07 00:54:09,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:54:09,586 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2021-11-07 00:54:09,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-07 00:54:09,587 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:09,587 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:54:09,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-07 00:54:09,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:09,788 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:54:09,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:09,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1914960205, now seen corresponding path program 1 times [2021-11-07 00:54:09,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:09,794 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1881566130] [2021-11-07 00:54:09,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:09,794 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:09,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:09,796 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:09,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45ac4df9-c11b-4bee-89d6-6688f126d039/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:03:04,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:03:06,728 WARN L261 TraceCheckSpWp]: Trace formula consists of 1141 conjuncts, 779 conjunts are in the unsatisfiable core [2021-11-07 01:03:06,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:04:45,504 WARN L207 SmtUtils]: Spent 1.34 m on a formula simplification that was a NOOP. DAG size: 5130 [2021-11-07 01:06:23,109 WARN L207 SmtUtils]: Spent 1.30 m on a formula simplification that was a NOOP. DAG size: 5146 [2021-11-07 01:07:46,336 WARN L207 SmtUtils]: Spent 1.13 m on a formula simplification that was a NOOP. DAG size: 5136