./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/arctan_Pade.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/arctan_Pade.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 03d4f02c4d6708ec7407dd5809f77bd3b86d46b08411c69d0afecaf50bc68872 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:21:28,173 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:21:28,240 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 04:21:28,245 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:21:28,246 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:21:28,271 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:21:28,271 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:21:28,272 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:21:28,273 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:21:28,273 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:21:28,274 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:21:28,274 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:21:28,275 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:21:28,276 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:21:28,276 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:21:28,277 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:21:28,277 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:21:28,278 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:21:28,278 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:21:28,279 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:21:28,279 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:21:28,280 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:21:28,281 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:21:28,281 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:21:28,282 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:21:28,282 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:21:28,283 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:21:28,283 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:21:28,284 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:21:28,284 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:21:28,284 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:21:28,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:21:28,285 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:21:28,285 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:21:28,286 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:21:28,286 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:21:28,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:21:28,286 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:21:28,287 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:21:28,287 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:21:28,287 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:21:28,287 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:21:28,288 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03d4f02c4d6708ec7407dd5809f77bd3b86d46b08411c69d0afecaf50bc68872 [2023-11-29 04:21:28,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:21:28,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:21:28,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:21:28,528 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:21:28,528 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:21:28,529 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/float-benchs/arctan_Pade.c [2023-11-29 04:21:31,257 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:21:31,424 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:21:31,425 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/sv-benchmarks/c/float-benchs/arctan_Pade.c [2023-11-29 04:21:31,432 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/data/233a7af08/3fb1ad01a2c54041a519ececb402740e/FLAGa32051304 [2023-11-29 04:21:31,444 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/data/233a7af08/3fb1ad01a2c54041a519ececb402740e [2023-11-29 04:21:31,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:21:31,447 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:21:31,448 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:21:31,448 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:21:31,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:21:31,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:21:31" (1/1) ... [2023-11-29 04:21:31,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b8e3f29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:31, skipping insertion in model container [2023-11-29 04:21:31,456 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:21:31" (1/1) ... [2023-11-29 04:21:31,478 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:21:31,623 WARN L240 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_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/sv-benchmarks/c/float-benchs/arctan_Pade.c[665,678] [2023-11-29 04:21:31,638 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:21:31,649 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:21:31,661 WARN L240 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_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/sv-benchmarks/c/float-benchs/arctan_Pade.c[665,678] [2023-11-29 04:21:31,666 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:21:31,681 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:21:31,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:31 WrapperNode [2023-11-29 04:21:31,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:21:31,683 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:21:31,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:21:31,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:21:31,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:31" (1/1) ... [2023-11-29 04:21:31,698 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:31" (1/1) ... [2023-11-29 04:21:31,718 INFO L138 Inliner]: procedures = 18, calls = 15, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 50 [2023-11-29 04:21:31,718 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:21:31,719 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:21:31,719 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:21:31,719 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:21:31,730 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:31" (1/1) ... [2023-11-29 04:21:31,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:31" (1/1) ... [2023-11-29 04:21:31,732 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:31" (1/1) ... [2023-11-29 04:21:31,744 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 04:21:31,744 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:31" (1/1) ... [2023-11-29 04:21:31,744 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:31" (1/1) ... [2023-11-29 04:21:31,749 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:31" (1/1) ... [2023-11-29 04:21:31,751 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:31" (1/1) ... [2023-11-29 04:21:31,752 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:31" (1/1) ... [2023-11-29 04:21:31,753 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:31" (1/1) ... [2023-11-29 04:21:31,755 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:21:31,756 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:21:31,756 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:21:31,757 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:21:31,757 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:31" (1/1) ... [2023-11-29 04:21:31,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:21:31,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:21:31,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:21:31,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:21:31,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:21:31,827 INFO L130 BoogieDeclarations]: Found specification of procedure ARCTAN_POS [2023-11-29 04:21:31,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ARCTAN_POS [2023-11-29 04:21:31,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 04:21:31,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:21:31,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:21:31,828 INFO L130 BoogieDeclarations]: Found specification of procedure ARCTAN_0_1 [2023-11-29 04:21:31,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ARCTAN_0_1 [2023-11-29 04:21:31,905 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:21:31,908 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:21:32,022 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:21:32,048 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:21:32,048 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 04:21:32,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:21:32 BoogieIcfgContainer [2023-11-29 04:21:32,049 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:21:32,051 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:21:32,051 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:21:32,055 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:21:32,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:21:31" (1/3) ... [2023-11-29 04:21:32,056 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e6504a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:21:32, skipping insertion in model container [2023-11-29 04:21:32,056 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:31" (2/3) ... [2023-11-29 04:21:32,057 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e6504a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:21:32, skipping insertion in model container [2023-11-29 04:21:32,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:21:32" (3/3) ... [2023-11-29 04:21:32,058 INFO L112 eAbstractionObserver]: Analyzing ICFG arctan_Pade.c [2023-11-29 04:21:32,079 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:21:32,079 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 04:21:32,131 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:21:32,139 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2a0b3708, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:21:32,139 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 04:21:32,144 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 16 states have (on average 1.3125) internal successors, (21), 17 states have internal predecessors, (21), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 04:21:32,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-29 04:21:32,152 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:21:32,153 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:21:32,154 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:21:32,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:21:32,160 INFO L85 PathProgramCache]: Analyzing trace with hash -943234999, now seen corresponding path program 1 times [2023-11-29 04:21:32,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:21:32,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745278048] [2023-11-29 04:21:32,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:21:32,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:21:32,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:21:32,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 04:21:32,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:21:32,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:21:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:21:32,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:21:32,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:21:32,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745278048] [2023-11-29 04:21:32,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745278048] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:21:32,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:21:32,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:21:32,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736693048] [2023-11-29 04:21:32,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:21:32,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 04:21:32,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:21:32,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 04:21:32,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:21:32,378 INFO L87 Difference]: Start difference. First operand has 24 states, 16 states have (on average 1.3125) internal successors, (21), 17 states have internal predecessors, (21), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 04:21:32,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:21:32,403 INFO L93 Difference]: Finished difference Result 46 states and 55 transitions. [2023-11-29 04:21:32,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 04:21:32,405 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2023-11-29 04:21:32,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:21:32,413 INFO L225 Difference]: With dead ends: 46 [2023-11-29 04:21:32,413 INFO L226 Difference]: Without dead ends: 22 [2023-11-29 04:21:32,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:21:32,420 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:21:32,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:21:32,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2023-11-29 04:21:32,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2023-11-29 04:21:32,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 15 states have internal predecessors, (17), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 04:21:32,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2023-11-29 04:21:32,459 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 17 [2023-11-29 04:21:32,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:21:32,460 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2023-11-29 04:21:32,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 04:21:32,461 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2023-11-29 04:21:32,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-29 04:21:32,470 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:21:32,471 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:21:32,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 04:21:32,472 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:21:32,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:21:32,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1964303353, now seen corresponding path program 1 times [2023-11-29 04:21:32,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:21:32,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967905467] [2023-11-29 04:21:32,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:21:32,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:21:32,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:21:32,499 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:21:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:21:32,537 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:21:32,538 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 04:21:32,539 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 04:21:32,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 04:21:32,545 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-29 04:21:32,564 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:21:32,578 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret5 could not be translated [2023-11-29 04:21:32,579 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated [2023-11-29 04:21:32,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:21:32 BoogieIcfgContainer [2023-11-29 04:21:32,586 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:21:32,586 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:21:32,587 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:21:32,587 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:21:32,587 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:21:32" (3/4) ... [2023-11-29 04:21:32,590 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 04:21:32,591 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:21:32,592 INFO L158 Benchmark]: Toolchain (without parser) took 1144.29ms. Allocated memory was 159.4MB in the beginning and 199.2MB in the end (delta: 39.8MB). Free memory was 112.9MB in the beginning and 167.5MB in the end (delta: -54.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:21:32,592 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:21:32,592 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.09ms. Allocated memory is still 159.4MB. Free memory was 112.5MB in the beginning and 101.9MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 04:21:32,593 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.73ms. Allocated memory is still 159.4MB. Free memory was 101.9MB in the beginning and 100.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:21:32,594 INFO L158 Benchmark]: Boogie Preprocessor took 36.32ms. Allocated memory is still 159.4MB. Free memory was 100.4MB in the beginning and 98.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:21:32,594 INFO L158 Benchmark]: RCFGBuilder took 292.46ms. Allocated memory is still 159.4MB. Free memory was 98.7MB in the beginning and 87.3MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 04:21:32,595 INFO L158 Benchmark]: TraceAbstraction took 534.73ms. Allocated memory was 159.4MB in the beginning and 199.2MB in the end (delta: 39.8MB). Free memory was 87.0MB in the beginning and 167.5MB in the end (delta: -80.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:21:32,595 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 199.2MB. Free memory is still 167.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:21:32,598 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 234.09ms. Allocated memory is still 159.4MB. Free memory was 112.5MB in the beginning and 101.9MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.73ms. Allocated memory is still 159.4MB. Free memory was 101.9MB in the beginning and 100.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.32ms. Allocated memory is still 159.4MB. Free memory was 100.4MB in the beginning and 98.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 292.46ms. Allocated memory is still 159.4MB. Free memory was 98.7MB in the beginning and 87.3MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 534.73ms. Allocated memory was 159.4MB in the beginning and 199.2MB in the end (delta: 39.8MB). Free memory was 87.0MB in the beginning and 167.5MB in the end (delta: -80.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.25ms. Allocated memory is still 199.2MB. Free memory is still 167.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 35. Possible FailurePath: [L20] const double Pi=3.141592653589793238; [L47] double a, r; [L49] a = __VERIFIER_nondet_double() [L50] CALL assume_abort_if_not(a >= -1.79e308 && a <= 1.79e308) [L15] COND FALSE !(!cond) VAL [Pi=1570796326794896619/500000000000000000, \old(cond)=1, cond=1] [L50] RET assume_abort_if_not(a >= -1.79e308 && a <= 1.79e308) [L52] CALL, EXPR ARCTAN(a) [L41] COND FALSE !(x < 0) VAL [Pi=1570796326794896619/500000000000000000, \old(x)=55, x=55] [L42] CALL, EXPR ARCTAN_POS(x) VAL [Pi=1570796326794896619/500000000000000000, \old(x)=55] [L35] COND TRUE x > 1. VAL [Pi=1570796326794896619/500000000000000000, \old(x)=55, x=55] [L35] CALL, EXPR ARCTAN_0_1(1. / x) VAL [Pi=1570796326794896619/500000000000000000] [L30] CALL, EXPR PADE_2_2(x) [L24] double x_2 = x*x; [L25] return 1. - x_2 / (3. + 9./5.*x_2); [L30] RET, EXPR PADE_2_2(x) [L30] return x*PADE_2_2(x); [L35] RET, EXPR ARCTAN_0_1(1. / x) VAL [Pi=1570796326794896619/500000000000000000, \old(x)=55, x=55] [L35] return Pi / 2. - ARCTAN_0_1(1. / x); [L42] RET, EXPR ARCTAN_POS(x) VAL [Pi=1570796326794896619/500000000000000000, \old(x)=55, x=55] [L42] return ARCTAN_POS(x); [L52] RET, EXPR ARCTAN(a) [L52] r = ARCTAN(a) [L54] CALL __VERIFIER_assert(r >= -1.571 && r <= 1.571) [L17] COND TRUE !(cond) VAL [Pi=1570796326794896619/500000000000000000, \old(cond)=0, cond=0] [L17] reach_error() VAL [Pi=1570796326794896619/500000000000000000, \old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 24 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 04:21:32,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/arctan_Pade.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 03d4f02c4d6708ec7407dd5809f77bd3b86d46b08411c69d0afecaf50bc68872 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:21:34,573 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:21:34,642 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 04:21:34,660 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:21:34,660 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:21:34,689 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:21:34,690 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:21:34,690 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:21:34,691 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:21:34,691 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:21:34,692 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:21:34,693 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:21:34,694 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:21:34,694 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:21:34,695 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:21:34,695 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:21:34,696 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:21:34,696 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:21:34,697 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:21:34,698 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:21:34,698 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:21:34,699 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:21:34,699 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:21:34,700 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 04:21:34,700 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 04:21:34,700 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 04:21:34,701 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:21:34,701 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:21:34,702 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:21:34,702 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:21:34,702 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:21:34,703 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:21:34,703 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:21:34,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:21:34,704 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:21:34,704 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:21:34,704 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:21:34,704 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 04:21:34,704 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 04:21:34,705 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:21:34,705 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:21:34,705 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:21:34,705 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:21:34,706 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:21:34,706 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 04:21:34,706 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03d4f02c4d6708ec7407dd5809f77bd3b86d46b08411c69d0afecaf50bc68872 [2023-11-29 04:21:35,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:21:35,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:21:35,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:21:35,029 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:21:35,030 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:21:35,031 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/float-benchs/arctan_Pade.c [2023-11-29 04:21:37,813 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:21:38,009 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:21:38,010 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/sv-benchmarks/c/float-benchs/arctan_Pade.c [2023-11-29 04:21:38,018 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/data/182e90073/1f9416606383412a9cce5129ae6aed8f/FLAG2de3c3900 [2023-11-29 04:21:38,034 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/data/182e90073/1f9416606383412a9cce5129ae6aed8f [2023-11-29 04:21:38,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:21:38,038 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:21:38,040 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:21:38,040 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:21:38,045 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:21:38,046 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:21:38" (1/1) ... [2023-11-29 04:21:38,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37271abc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:38, skipping insertion in model container [2023-11-29 04:21:38,047 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:21:38" (1/1) ... [2023-11-29 04:21:38,069 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:21:38,229 WARN L240 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_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/sv-benchmarks/c/float-benchs/arctan_Pade.c[665,678] [2023-11-29 04:21:38,245 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:21:38,260 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:21:38,273 WARN L240 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_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/sv-benchmarks/c/float-benchs/arctan_Pade.c[665,678] [2023-11-29 04:21:38,279 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:21:38,296 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:21:38,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:38 WrapperNode [2023-11-29 04:21:38,297 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:21:38,298 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:21:38,298 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:21:38,298 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:21:38,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:38" (1/1) ... [2023-11-29 04:21:38,315 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:38" (1/1) ... [2023-11-29 04:21:38,336 INFO L138 Inliner]: procedures = 19, calls = 15, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 51 [2023-11-29 04:21:38,336 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:21:38,337 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:21:38,337 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:21:38,338 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:21:38,349 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:38" (1/1) ... [2023-11-29 04:21:38,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:38" (1/1) ... [2023-11-29 04:21:38,353 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:38" (1/1) ... [2023-11-29 04:21:38,365 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 04:21:38,366 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:38" (1/1) ... [2023-11-29 04:21:38,366 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:38" (1/1) ... [2023-11-29 04:21:38,374 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:38" (1/1) ... [2023-11-29 04:21:38,376 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:38" (1/1) ... [2023-11-29 04:21:38,378 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:38" (1/1) ... [2023-11-29 04:21:38,380 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:38" (1/1) ... [2023-11-29 04:21:38,383 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:21:38,384 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:21:38,385 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:21:38,385 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:21:38,386 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:38" (1/1) ... [2023-11-29 04:21:38,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:21:38,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:21:38,415 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:21:38,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:21:38,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:21:38,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 04:21:38,454 INFO L130 BoogieDeclarations]: Found specification of procedure ARCTAN_POS [2023-11-29 04:21:38,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ARCTAN_POS [2023-11-29 04:21:38,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:21:38,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:21:38,455 INFO L130 BoogieDeclarations]: Found specification of procedure ARCTAN_0_1 [2023-11-29 04:21:38,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ARCTAN_0_1 [2023-11-29 04:21:38,538 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:21:38,541 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:21:46,593 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:21:46,628 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:21:46,628 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 04:21:46,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:21:46 BoogieIcfgContainer [2023-11-29 04:21:46,629 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:21:46,631 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:21:46,631 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:21:46,634 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:21:46,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:21:38" (1/3) ... [2023-11-29 04:21:46,635 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e3b57a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:21:46, skipping insertion in model container [2023-11-29 04:21:46,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:21:38" (2/3) ... [2023-11-29 04:21:46,635 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e3b57a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:21:46, skipping insertion in model container [2023-11-29 04:21:46,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:21:46" (3/3) ... [2023-11-29 04:21:46,637 INFO L112 eAbstractionObserver]: Analyzing ICFG arctan_Pade.c [2023-11-29 04:21:46,651 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:21:46,651 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 04:21:46,688 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:21:46,693 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2bdab089, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:21:46,693 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 04:21:46,696 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 16 states have (on average 1.3125) internal successors, (21), 17 states have internal predecessors, (21), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 04:21:46,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-29 04:21:46,704 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:21:46,704 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:21:46,705 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:21:46,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:21:46,710 INFO L85 PathProgramCache]: Analyzing trace with hash -943234999, now seen corresponding path program 1 times [2023-11-29 04:21:46,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:21:46,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1928292032] [2023-11-29 04:21:46,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:21:46,723 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:21:46,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:21:46,725 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:21:46,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-29 04:21:48,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:21:48,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 04:21:48,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:21:48,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:21:48,973 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:21:48,973 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:21:48,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1928292032] [2023-11-29 04:21:48,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1928292032] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:21:48,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:21:48,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:21:48,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250078013] [2023-11-29 04:21:48,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:21:48,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 04:21:48,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:21:49,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 04:21:49,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:21:49,011 INFO L87 Difference]: Start difference. First operand has 24 states, 16 states have (on average 1.3125) internal successors, (21), 17 states have internal predecessors, (21), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 04:21:54,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:21:54,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:21:54,494 INFO L93 Difference]: Finished difference Result 46 states and 55 transitions. [2023-11-29 04:21:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 04:21:54,496 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2023-11-29 04:21:54,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:21:54,502 INFO L225 Difference]: With dead ends: 46 [2023-11-29 04:21:54,502 INFO L226 Difference]: Without dead ends: 22 [2023-11-29 04:21:54,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:21:54,510 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-11-29 04:21:54,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2023-11-29 04:21:54,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2023-11-29 04:21:54,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2023-11-29 04:21:54,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 15 states have internal predecessors, (17), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 04:21:54,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2023-11-29 04:21:54,548 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 17 [2023-11-29 04:21:54,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:21:54,549 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2023-11-29 04:21:54,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 04:21:54,549 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2023-11-29 04:21:54,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-29 04:21:54,551 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:21:54,551 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:21:54,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 04:21:54,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:21:54,763 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:21:54,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:21:54,764 INFO L85 PathProgramCache]: Analyzing trace with hash 642770955, now seen corresponding path program 1 times [2023-11-29 04:21:54,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:21:54,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1399472015] [2023-11-29 04:21:54,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:21:54,765 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:21:54,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:21:54,766 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:21:54,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-29 04:22:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:15,860 WARN L260 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-29 04:22:15,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:22:27,873 WARN L293 SmtUtils]: Spent 9.34s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:22:36,505 WARN L293 SmtUtils]: Spent 8.63s on a formula simplification that was a NOOP. DAG size: 19 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:22:45,859 WARN L293 SmtUtils]: Spent 9.35s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:22:55,199 WARN L293 SmtUtils]: Spent 9.34s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:23:04,563 WARN L293 SmtUtils]: Spent 9.36s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:23:08,898 WARN L854 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_ARCTAN_~x#1_BEFORE_CALL_1| (_ FloatingPoint 11 53))) (and (fp.geq |v_ULTIMATE.start_ARCTAN_~x#1_BEFORE_CALL_1| (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 179000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0))) (fp.lt |v_ULTIMATE.start_ARCTAN_~x#1_BEFORE_CALL_1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (= c_~Pi~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1570796326794896619.0 500000000000000000.0))) (= |c_ARCTAN_0_1_#res#1| (fp.mul c_currentRoundingMode |c_ARCTAN_0_1_#in~x#1| (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (let ((.cse0 (fp.mul c_currentRoundingMode |c_ARCTAN_0_1_#in~x#1| |c_ARCTAN_0_1_#in~x#1|))) (fp.div c_currentRoundingMode .cse0 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 3.0) (fp.mul c_currentRoundingMode (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 9.0) ((_ to_fp 11 53) c_currentRoundingMode 5.0)) .cse0))))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-11-29 04:23:20,842 WARN L293 SmtUtils]: Spent 10.61s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:23:31,421 WARN L293 SmtUtils]: Spent 10.58s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:23:42,107 WARN L293 SmtUtils]: Spent 10.68s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:23:52,593 WARN L293 SmtUtils]: Spent 10.49s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:24:01,792 WARN L293 SmtUtils]: Spent 9.20s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:24:13,416 WARN L293 SmtUtils]: Spent 11.62s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:24:17,981 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (and (= |c_ARCTAN_POS_#t~ret5| (let ((.cse0 (fp.div c_currentRoundingMode .cse1 |c_ARCTAN_POS_#in~x|))) (fp.mul c_currentRoundingMode .cse0 (fp.sub c_currentRoundingMode .cse1 (let ((.cse2 (fp.mul c_currentRoundingMode .cse0 .cse0))) (fp.div c_currentRoundingMode .cse2 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 3.0) (fp.mul c_currentRoundingMode (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 9.0) ((_ to_fp 11 53) c_currentRoundingMode 5.0)) .cse2)))))))) (exists ((|v_ULTIMATE.start_ARCTAN_~x#1_BEFORE_CALL_1| (_ FloatingPoint 11 53))) (and (fp.geq |v_ULTIMATE.start_ARCTAN_~x#1_BEFORE_CALL_1| (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 179000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0))) (fp.lt |v_ULTIMATE.start_ARCTAN_~x#1_BEFORE_CALL_1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (fp.gt |c_ARCTAN_POS_#in~x| .cse1) (= c_~Pi~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1570796326794896619.0 500000000000000000.0))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-11-29 04:24:28,718 WARN L293 SmtUtils]: Spent 10.70s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:24:37,878 WARN L293 SmtUtils]: Spent 9.16s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:24:48,600 WARN L293 SmtUtils]: Spent 10.72s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:24:59,309 WARN L293 SmtUtils]: Spent 10.71s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:25:09,949 WARN L293 SmtUtils]: Spent 10.64s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:25:21,471 WARN L293 SmtUtils]: Spent 11.52s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:25:26,064 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (and (exists ((|v_ULTIMATE.start_ARCTAN_~x#1_BEFORE_CALL_1| (_ FloatingPoint 11 53))) (and (fp.geq |v_ULTIMATE.start_ARCTAN_~x#1_BEFORE_CALL_1| (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 179000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0))) (fp.lt |v_ULTIMATE.start_ARCTAN_~x#1_BEFORE_CALL_1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (fp.gt |c_ARCTAN_POS_#in~x| .cse0) (= c_~Pi~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1570796326794896619.0 500000000000000000.0))) (= (fp.sub c_currentRoundingMode (fp.div c_currentRoundingMode c_~Pi~0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (let ((.cse1 (fp.div c_currentRoundingMode .cse0 |c_ARCTAN_POS_#in~x|))) (fp.mul c_currentRoundingMode .cse1 (fp.sub c_currentRoundingMode .cse0 (let ((.cse2 (fp.mul c_currentRoundingMode .cse1 .cse1))) (fp.div c_currentRoundingMode .cse2 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 3.0) (fp.mul c_currentRoundingMode (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 9.0) ((_ to_fp 11 53) c_currentRoundingMode 5.0)) .cse2)))))))) |c_ARCTAN_POS_#res|) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-11-29 04:25:33,326 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (and (exists ((|v_ULTIMATE.start_ARCTAN_~x#1_BEFORE_CALL_1| (_ FloatingPoint 11 53))) (and (fp.geq |v_ULTIMATE.start_ARCTAN_~x#1_BEFORE_CALL_1| (fp.neg ((_ to_fp 11 53) c_currentRoundingMode 179000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0))) (fp.lt |v_ULTIMATE.start_ARCTAN_~x#1_BEFORE_CALL_1| ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (fp.gt |c_ARCTAN_POS_#in~x| .cse0) (= c_~Pi~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1570796326794896619.0 500000000000000000.0))) (= (fp.sub c_currentRoundingMode (fp.div c_currentRoundingMode c_~Pi~0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (let ((.cse1 (fp.div c_currentRoundingMode .cse0 |c_ARCTAN_POS_#in~x|))) (fp.mul c_currentRoundingMode .cse1 (fp.sub c_currentRoundingMode .cse0 (let ((.cse2 (fp.mul c_currentRoundingMode .cse1 .cse1))) (fp.div c_currentRoundingMode .cse2 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 3.0) (fp.mul c_currentRoundingMode (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 9.0) ((_ to_fp 11 53) c_currentRoundingMode 5.0)) .cse2)))))))) |c_ARCTAN_POS_#res|) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2023-11-29 04:25:44,050 WARN L293 SmtUtils]: Spent 10.72s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:25:53,188 WARN L293 SmtUtils]: Spent 9.14s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:26:03,944 WARN L293 SmtUtils]: Spent 10.76s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:26:14,612 WARN L293 SmtUtils]: Spent 10.67s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:26:25,259 WARN L293 SmtUtils]: Spent 10.65s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:26:27,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 101 [2023-11-29 04:26:27,347 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory") [2023-11-29 04:26:27,349 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:26:27,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1399472015] [2023-11-29 04:26:27,349 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2023-11-29 04:26:27,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-29 04:26:27,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:26:27,551 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:268) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:410) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:394) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:500) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:252) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:324) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:731) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:298) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 58 more [2023-11-29 04:26:27,555 INFO L158 Benchmark]: Toolchain (without parser) took 289516.00ms. Allocated memory is still 113.2MB. Free memory was 90.8MB in the beginning and 67.2MB in the end (delta: 23.6MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2023-11-29 04:26:27,555 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 62.9MB. Free memory is still 39.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:26:27,556 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.17ms. Allocated memory is still 113.2MB. Free memory was 90.5MB in the beginning and 79.3MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 04:26:27,556 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.81ms. Allocated memory is still 113.2MB. Free memory was 79.3MB in the beginning and 77.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:26:27,557 INFO L158 Benchmark]: Boogie Preprocessor took 46.37ms. Allocated memory is still 113.2MB. Free memory was 77.6MB in the beginning and 75.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:26:27,557 INFO L158 Benchmark]: RCFGBuilder took 8244.93ms. Allocated memory is still 113.2MB. Free memory was 75.3MB in the beginning and 90.0MB in the end (delta: -14.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 04:26:27,558 INFO L158 Benchmark]: TraceAbstraction took 280922.73ms. Allocated memory is still 113.2MB. Free memory was 89.5MB in the beginning and 67.2MB in the end (delta: 22.3MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2023-11-29 04:26:27,561 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 62.9MB. Free memory is still 39.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.17ms. Allocated memory is still 113.2MB. Free memory was 90.5MB in the beginning and 79.3MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.81ms. Allocated memory is still 113.2MB. Free memory was 79.3MB in the beginning and 77.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.37ms. Allocated memory is still 113.2MB. Free memory was 77.6MB in the beginning and 75.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 8244.93ms. Allocated memory is still 113.2MB. Free memory was 75.3MB in the beginning and 90.0MB in the end (delta: -14.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 280922.73ms. Allocated memory is still 113.2MB. Free memory was 89.5MB in the beginning and 67.2MB in the end (delta: 22.3MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ef2dc6-d08b-438b-822a-bd917a83f9b2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")