./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-nonlinear/coral-benchmark06.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-nonlinear/coral-benchmark06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ea59b90fa52051393d4aed9cf2948befe2a212f0c55958726915f86b8eab3f63 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:14:07,094 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:14:07,209 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 01:14:07,218 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:14:07,219 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:14:07,259 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:14:07,261 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:14:07,262 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:14:07,263 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:14:07,264 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:14:07,265 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:14:07,266 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:14:07,266 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:14:07,266 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:14:07,267 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:14:07,269 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:14:07,270 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:14:07,270 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:14:07,270 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:14:07,270 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:14:07,271 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:14:07,273 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:14:07,275 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:14:07,276 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:14:07,276 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:14:07,276 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:14:07,277 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:14:07,277 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:14:07,278 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:14:07,279 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:14:07,279 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:14:07,279 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:14:07,279 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:14:07,280 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:14:07,281 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:14:07,281 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:14:07,282 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:14:07,282 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:14:07,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:14:07,283 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:14:07,283 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:14:07,283 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:14:07,284 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:14:07,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:14:07,284 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:14:07,285 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:14:07,285 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:14:07,285 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea59b90fa52051393d4aed9cf2948befe2a212f0c55958726915f86b8eab3f63 [2024-11-09 01:14:07,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:14:07,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:14:07,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:14:07,647 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:14:07,648 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:14:07,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/floats-nonlinear/coral-benchmark06.c Unable to find full path for "g++" [2024-11-09 01:14:10,460 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:14:10,740 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:14:10,741 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/sv-benchmarks/c/floats-nonlinear/coral-benchmark06.c [2024-11-09 01:14:10,753 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje/data/bf7badccd/250f681811e34364bfd3f84e6daf7883/FLAG41fb6e7c5 [2024-11-09 01:14:10,781 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje/data/bf7badccd/250f681811e34364bfd3f84e6daf7883 [2024-11-09 01:14:10,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:14:10,787 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:14:10,789 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:14:10,789 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:14:10,799 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:14:10,801 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:14:10" (1/1) ... [2024-11-09 01:14:10,803 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d415a49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:10, skipping insertion in model container [2024-11-09 01:14:10,803 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:14:10" (1/1) ... [2024-11-09 01:14:10,832 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:14:11,082 WARN L250 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_eefe9d19-546f-49bd-a634-cd145f275174/sv-benchmarks/c/floats-nonlinear/coral-benchmark06.c[758,771] [2024-11-09 01:14:11,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:14:11,122 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:14:11,142 WARN L250 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_eefe9d19-546f-49bd-a634-cd145f275174/sv-benchmarks/c/floats-nonlinear/coral-benchmark06.c[758,771] [2024-11-09 01:14:11,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:14:11,183 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:14:11,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:11 WrapperNode [2024-11-09 01:14:11,184 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:14:11,186 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:14:11,186 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:14:11,186 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:14:11,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:11" (1/1) ... [2024-11-09 01:14:11,210 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:11" (1/1) ... [2024-11-09 01:14:11,240 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2024-11-09 01:14:11,241 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:14:11,242 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:14:11,243 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:14:11,243 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:14:11,256 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:11" (1/1) ... [2024-11-09 01:14:11,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:11" (1/1) ... [2024-11-09 01:14:11,259 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:11" (1/1) ... [2024-11-09 01:14:11,261 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:11" (1/1) ... [2024-11-09 01:14:11,269 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:11" (1/1) ... [2024-11-09 01:14:11,276 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:11" (1/1) ... [2024-11-09 01:14:11,277 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:11" (1/1) ... [2024-11-09 01:14:11,279 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:11" (1/1) ... [2024-11-09 01:14:11,282 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:14:11,283 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:14:11,284 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:14:11,284 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:14:11,285 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:11" (1/1) ... [2024-11-09 01:14:11,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:14:11,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:14:11,341 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:14:11,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:14:11,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:14:11,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:14:11,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:14:11,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:14:11,509 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:14:11,513 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:14:11,722 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-09 01:14:11,725 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:14:11,838 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:14:11,838 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 01:14:11,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:14:11 BoogieIcfgContainer [2024-11-09 01:14:11,839 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:14:11,846 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:14:11,846 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:14:11,851 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:14:11,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:14:10" (1/3) ... [2024-11-09 01:14:11,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c330b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:14:11, skipping insertion in model container [2024-11-09 01:14:11,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:11" (2/3) ... [2024-11-09 01:14:11,853 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c330b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:14:11, skipping insertion in model container [2024-11-09 01:14:11,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:14:11" (3/3) ... [2024-11-09 01:14:11,857 INFO L112 eAbstractionObserver]: Analyzing ICFG coral-benchmark06.c [2024-11-09 01:14:11,882 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:14:11,884 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:14:11,972 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:14:11,982 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@7dd4c5de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:14:11,986 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:14:11,992 INFO L276 IsEmpty]: Start isEmpty. Operand has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:14:12,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 01:14:12,001 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:14:12,002 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-09 01:14:12,003 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:14:12,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:14:12,012 INFO L85 PathProgramCache]: Analyzing trace with hash 58046, now seen corresponding path program 1 times [2024-11-09 01:14:12,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:14:12,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103655617] [2024-11-09 01:14:12,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:14:12,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:14:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:14:12,186 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:14:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:14:12,239 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 01:14:12,242 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 01:14:12,245 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 01:14:12,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 01:14:12,254 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 01:14:12,280 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:14:12,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:14:12 BoogieIcfgContainer [2024-11-09 01:14:12,287 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:14:12,287 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:14:12,288 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:14:12,288 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:14:12,291 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:14:11" (3/4) ... [2024-11-09 01:14:12,298 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:14:12,299 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:14:12,301 INFO L158 Benchmark]: Toolchain (without parser) took 1514.46ms. Allocated memory is still 192.9MB. Free memory was 157.2MB in the beginning and 114.6MB in the end (delta: 42.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-09 01:14:12,302 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 125.8MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:14:12,302 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.02ms. Allocated memory is still 192.9MB. Free memory was 156.5MB in the beginning and 143.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 01:14:12,303 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.93ms. Allocated memory is still 192.9MB. Free memory was 143.9MB in the beginning and 142.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:14:12,304 INFO L158 Benchmark]: Boogie Preprocessor took 39.93ms. Allocated memory is still 192.9MB. Free memory was 142.5MB in the beginning and 141.8MB in the end (delta: 686.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:14:12,311 INFO L158 Benchmark]: RCFGBuilder took 556.22ms. Allocated memory is still 192.9MB. Free memory was 141.8MB in the beginning and 129.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 01:14:12,311 INFO L158 Benchmark]: TraceAbstraction took 440.74ms. Allocated memory is still 192.9MB. Free memory was 128.6MB in the beginning and 114.6MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 01:14:12,312 INFO L158 Benchmark]: Witness Printer took 12.24ms. Allocated memory is still 192.9MB. Free memory is still 114.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:14:12,318 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 125.8MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 396.02ms. Allocated memory is still 192.9MB. Free memory was 156.5MB in the beginning and 143.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.93ms. Allocated memory is still 192.9MB. Free memory was 143.9MB in the beginning and 142.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.93ms. Allocated memory is still 192.9MB. Free memory was 142.5MB in the beginning and 141.8MB in the end (delta: 686.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 556.22ms. Allocated memory is still 192.9MB. Free memory was 141.8MB in the beginning and 129.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 440.74ms. Allocated memory is still 192.9MB. Free memory was 128.6MB in the beginning and 114.6MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 12.24ms. Allocated memory is still 192.9MB. Free memory is still 114.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 22]: 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 sin at line 31, overapproximation of someBinaryDOUBLEComparisonOperation at line 31. Possible FailurePath: [L38] double x, y, z; [L39] x = __VERIFIER_nondet_double() [L40] y = __VERIFIER_nondet_double() [L41] z = __VERIFIER_nondet_double() [L42] CALL, EXPR benchmark06(x, y, z) [L31] COND TRUE cos(x) + cos(y) + cos(z) > 4 * sin(x/2) * sin(y/2) * sin(z/2) [L32] return 1; [L42] RET, EXPR benchmark06(x, y, z) [L42] CALL __VERIFIER_assert(!benchmark06(x, y, z)) [L20] COND TRUE !(cond) [L22] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 01:14:12,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-nonlinear/coral-benchmark06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ea59b90fa52051393d4aed9cf2948befe2a212f0c55958726915f86b8eab3f63 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:14:15,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:14:15,653 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 01:14:15,662 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:14:15,662 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:14:15,712 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:14:15,714 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:14:15,715 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:14:15,716 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:14:15,719 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:14:15,720 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:14:15,720 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:14:15,721 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:14:15,721 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:14:15,722 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:14:15,722 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:14:15,723 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:14:15,724 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:14:15,724 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:14:15,728 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:14:15,729 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:14:15,733 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:14:15,734 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:14:15,734 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:14:15,735 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 01:14:15,735 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 01:14:15,736 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:14:15,736 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 01:14:15,736 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:14:15,737 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:14:15,738 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:14:15,739 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:14:15,740 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 01:14:15,741 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:14:15,741 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:14:15,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:14:15,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:14:15,743 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:14:15,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:14:15,744 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 01:14:15,745 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:14:15,746 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:14:15,746 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:14:15,747 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea59b90fa52051393d4aed9cf2948befe2a212f0c55958726915f86b8eab3f63 [2024-11-09 01:14:16,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:14:16,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:14:16,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:14:16,369 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:14:16,370 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:14:16,372 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/floats-nonlinear/coral-benchmark06.c Unable to find full path for "g++" [2024-11-09 01:14:18,934 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:14:19,275 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:14:19,277 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/sv-benchmarks/c/floats-nonlinear/coral-benchmark06.c [2024-11-09 01:14:19,289 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje/data/edc7c72ae/ed298992ce0745518f412bc83df92ad8/FLAG4d2189c0c [2024-11-09 01:14:19,315 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje/data/edc7c72ae/ed298992ce0745518f412bc83df92ad8 [2024-11-09 01:14:19,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:14:19,320 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:14:19,321 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:14:19,322 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:14:19,331 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:14:19,332 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:14:19" (1/1) ... [2024-11-09 01:14:19,333 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15bcc78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:19, skipping insertion in model container [2024-11-09 01:14:19,334 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:14:19" (1/1) ... [2024-11-09 01:14:19,357 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:14:19,652 WARN L250 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_eefe9d19-546f-49bd-a634-cd145f275174/sv-benchmarks/c/floats-nonlinear/coral-benchmark06.c[758,771] [2024-11-09 01:14:19,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:14:19,694 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:14:19,710 WARN L250 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_eefe9d19-546f-49bd-a634-cd145f275174/sv-benchmarks/c/floats-nonlinear/coral-benchmark06.c[758,771] [2024-11-09 01:14:19,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:14:19,788 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:14:19,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:19 WrapperNode [2024-11-09 01:14:19,792 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:14:19,794 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:14:19,794 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:14:19,795 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:14:19,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:19" (1/1) ... [2024-11-09 01:14:19,840 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:19" (1/1) ... [2024-11-09 01:14:19,885 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2024-11-09 01:14:19,887 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:14:19,889 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:14:19,890 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:14:19,890 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:14:19,901 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:19" (1/1) ... [2024-11-09 01:14:19,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:19" (1/1) ... [2024-11-09 01:14:19,907 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:19" (1/1) ... [2024-11-09 01:14:19,907 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:19" (1/1) ... [2024-11-09 01:14:19,923 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:19" (1/1) ... [2024-11-09 01:14:19,925 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:19" (1/1) ... [2024-11-09 01:14:19,930 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:19" (1/1) ... [2024-11-09 01:14:19,932 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:19" (1/1) ... [2024-11-09 01:14:19,942 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:14:19,943 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:14:19,943 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:14:19,943 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:14:19,947 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:19" (1/1) ... [2024-11-09 01:14:19,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:14:19,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:14:19,986 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:14:19,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:14:20,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:14:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 01:14:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:14:20,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:14:20,141 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:14:20,143 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:14:24,458 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-09 01:14:24,458 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:14:24,475 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:14:24,477 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 01:14:24,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:14:24 BoogieIcfgContainer [2024-11-09 01:14:24,479 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:14:24,484 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:14:24,484 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:14:24,489 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:14:24,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:14:19" (1/3) ... [2024-11-09 01:14:24,490 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8cdf54a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:14:24, skipping insertion in model container [2024-11-09 01:14:24,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:14:19" (2/3) ... [2024-11-09 01:14:24,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8cdf54a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:14:24, skipping insertion in model container [2024-11-09 01:14:24,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:14:24" (3/3) ... [2024-11-09 01:14:24,495 INFO L112 eAbstractionObserver]: Analyzing ICFG coral-benchmark06.c [2024-11-09 01:14:24,521 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:14:24,521 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:14:24,598 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:14:24,606 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@78a3a567, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:14:24,607 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:14:24,611 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 01:14:24,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 01:14:24,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:14:24,620 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 01:14:24,621 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:14:24,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:14:24,628 INFO L85 PathProgramCache]: Analyzing trace with hash 889508713, now seen corresponding path program 1 times [2024-11-09 01:14:24,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:14:24,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [163567478] [2024-11-09 01:14:24,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:14:24,643 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 [2024-11-09 01:14:24,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:14:24,646 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 01:14:24,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 01:14:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:14:25,502 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:14:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:14:26,664 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-09 01:14:26,667 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 01:14:26,669 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 01:14:26,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje/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)] Ended with exit code 0 [2024-11-09 01:14:26,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 01:14:26,880 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 01:14:26,899 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:14:26,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:14:26 BoogieIcfgContainer [2024-11-09 01:14:26,903 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:14:26,904 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:14:26,905 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:14:26,905 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:14:26,906 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:14:24" (3/4) ... [2024-11-09 01:14:26,908 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:14:26,909 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:14:26,911 INFO L158 Benchmark]: Toolchain (without parser) took 7590.86ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 49.0MB in the beginning and 67.1MB in the end (delta: -18.1MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. [2024-11-09 01:14:26,911 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 73.4MB. Free memory was 49.2MB in the beginning and 49.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:14:26,916 INFO L158 Benchmark]: CACSL2BoogieTranslator took 471.99ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 48.8MB in the beginning and 70.6MB in the end (delta: -21.8MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2024-11-09 01:14:26,916 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.95ms. Allocated memory is still 92.3MB. Free memory was 70.6MB in the beginning and 68.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:14:26,917 INFO L158 Benchmark]: Boogie Preprocessor took 52.77ms. Allocated memory is still 92.3MB. Free memory was 68.8MB in the beginning and 67.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:14:26,918 INFO L158 Benchmark]: RCFGBuilder took 4535.95ms. Allocated memory is still 92.3MB. Free memory was 67.7MB in the beginning and 57.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 01:14:26,919 INFO L158 Benchmark]: TraceAbstraction took 2419.88ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 67.5MB in the end (delta: -10.6MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-11-09 01:14:26,919 INFO L158 Benchmark]: Witness Printer took 5.17ms. Allocated memory is still 92.3MB. Free memory was 67.5MB in the beginning and 67.1MB in the end (delta: 376.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:14:26,925 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 73.4MB. Free memory was 49.2MB in the beginning and 49.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 471.99ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 48.8MB in the beginning and 70.6MB in the end (delta: -21.8MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.95ms. Allocated memory is still 92.3MB. Free memory was 70.6MB in the beginning and 68.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.77ms. Allocated memory is still 92.3MB. Free memory was 68.8MB in the beginning and 67.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 4535.95ms. Allocated memory is still 92.3MB. Free memory was 67.7MB in the beginning and 57.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2419.88ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 67.5MB in the end (delta: -10.6MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Witness Printer took 5.17ms. Allocated memory is still 92.3MB. Free memory was 67.5MB in the beginning and 67.1MB in the end (delta: 376.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 22]: 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 sin at line 31. Possible FailurePath: [L38] double x, y, z; [L39] x = __VERIFIER_nondet_double() [L40] y = __VERIFIER_nondet_double() [L41] z = __VERIFIER_nondet_double() [L42] CALL, EXPR benchmark06(x, y, z) [L31] COND TRUE cos(x) + cos(y) + cos(z) > 4 * sin(x/2) * sin(y/2) * sin(z/2) [L32] return 1; VAL [\result=1] [L42] RET, EXPR benchmark06(x, y, z) [L42] CALL __VERIFIER_assert(!benchmark06(x, y, z)) [L20] COND TRUE !(cond) [L22] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 01:14:27,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefe9d19-546f-49bd-a634-cd145f275174/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample