./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-nonlinear/coral-benchmark01.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_6a3d8e71-4d64-4e74-961e-4d9827febe74/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3d8e71-4d64-4e74-961e-4d9827febe74/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_6a3d8e71-4d64-4e74-961e-4d9827febe74/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3d8e71-4d64-4e74-961e-4d9827febe74/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-nonlinear/coral-benchmark01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3d8e71-4d64-4e74-961e-4d9827febe74/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_6a3d8e71-4d64-4e74-961e-4d9827febe74/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 5bbeaf701cb3f357bb581e423c010469a213b25d09a846384560b80d60a780d0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:15:15,035 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:15:15,157 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3d8e71-4d64-4e74-961e-4d9827febe74/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:15:15,166 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:15:15,166 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:15:15,209 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:15:15,210 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:15:15,210 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:15:15,211 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:15:15,212 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:15:15,214 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:15:15,214 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:15:15,215 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:15:15,216 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:15:15,219 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:15:15,219 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:15:15,220 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:15:15,220 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:15:15,220 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:15:15,221 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:15:15,221 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:15:15,226 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:15:15,227 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:15:15,227 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:15:15,227 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:15:15,228 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:15:15,228 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:15:15,228 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:15:15,229 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:15:15,229 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:15:15,229 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:15:15,230 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:15:15,231 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:15:15,231 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:15:15,232 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:15:15,233 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:15:15,233 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:15:15,234 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:15:15,234 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:15:15,235 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:15:15,235 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:15:15,236 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:15:15,236 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:15:15,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:15:15,237 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:15:15,237 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:15:15,237 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:15:15,238 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_6a3d8e71-4d64-4e74-961e-4d9827febe74/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3d8e71-4d64-4e74-961e-4d9827febe74/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bbeaf701cb3f357bb581e423c010469a213b25d09a846384560b80d60a780d0 [2024-11-09 06:15:15,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:15:15,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:15:15,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:15:15,595 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:15:15,596 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:15:15,597 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3d8e71-4d64-4e74-961e-4d9827febe74/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/floats-nonlinear/coral-benchmark01.c Unable to find full path for "g++" [2024-11-09 06:15:17,939 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:15:18,233 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:15:18,234 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3d8e71-4d64-4e74-961e-4d9827febe74/sv-benchmarks/c/floats-nonlinear/coral-benchmark01.c [2024-11-09 06:15:18,242 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3d8e71-4d64-4e74-961e-4d9827febe74/bin/utaipan-verify-YMUCfTKeje/data/487919b97/8d1919f59fa84b5ca1c484987fb1dfc9/FLAGacada6867 [2024-11-09 06:15:18,269 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3d8e71-4d64-4e74-961e-4d9827febe74/bin/utaipan-verify-YMUCfTKeje/data/487919b97/8d1919f59fa84b5ca1c484987fb1dfc9 [2024-11-09 06:15:18,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:15:18,277 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:15:18,279 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:15:18,280 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:15:18,291 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:15:18,292 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:15:18" (1/1) ... [2024-11-09 06:15:18,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38eab337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:18, skipping insertion in model container [2024-11-09 06:15:18,294 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:15:18" (1/1) ... [2024-11-09 06:15:18,316 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:15:18,539 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_6a3d8e71-4d64-4e74-961e-4d9827febe74/sv-benchmarks/c/floats-nonlinear/coral-benchmark01.c[758,771] [2024-11-09 06:15:18,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:15:18,568 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:15:18,583 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_6a3d8e71-4d64-4e74-961e-4d9827febe74/sv-benchmarks/c/floats-nonlinear/coral-benchmark01.c[758,771] [2024-11-09 06:15:18,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:15:18,610 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:15:18,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:18 WrapperNode [2024-11-09 06:15:18,611 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:15:18,613 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:15:18,613 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:15:18,613 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:15:18,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:18" (1/1) ... [2024-11-09 06:15:18,628 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:18" (1/1) ... [2024-11-09 06:15:18,651 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2024-11-09 06:15:18,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:15:18,653 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:15:18,653 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:15:18,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:15:18,661 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:18" (1/1) ... [2024-11-09 06:15:18,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:18" (1/1) ... [2024-11-09 06:15:18,663 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:18" (1/1) ... [2024-11-09 06:15:18,663 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:18" (1/1) ... [2024-11-09 06:15:18,667 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:18" (1/1) ... [2024-11-09 06:15:18,669 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:18" (1/1) ... [2024-11-09 06:15:18,670 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:18" (1/1) ... [2024-11-09 06:15:18,671 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:18" (1/1) ... [2024-11-09 06:15:18,673 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:15:18,674 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:15:18,674 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:15:18,674 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:15:18,675 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:18" (1/1) ... [2024-11-09 06:15:18,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:15:18,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3d8e71-4d64-4e74-961e-4d9827febe74/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:15:18,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3d8e71-4d64-4e74-961e-4d9827febe74/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:15:18,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3d8e71-4d64-4e74-961e-4d9827febe74/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:15:18,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:15:18,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:15:18,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:15:18,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:15:18,839 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:15:18,842 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:15:18,972 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-09 06:15:18,972 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:15:19,053 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:15:19,053 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 06:15:19,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:15:19 BoogieIcfgContainer [2024-11-09 06:15:19,054 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:15:19,058 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:15:19,058 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:15:19,064 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:15:19,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:15:18" (1/3) ... [2024-11-09 06:15:19,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d49d4b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:15:19, skipping insertion in model container [2024-11-09 06:15:19,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:18" (2/3) ... [2024-11-09 06:15:19,066 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d49d4b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:15:19, skipping insertion in model container [2024-11-09 06:15:19,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:15:19" (3/3) ... [2024-11-09 06:15:19,068 INFO L112 eAbstractionObserver]: Analyzing ICFG coral-benchmark01.c [2024-11-09 06:15:19,092 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:15:19,092 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:15:19,169 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:15:19,178 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;@2b409b57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:15:19,178 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:15:19,185 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 06:15:19,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 06:15:19,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:15:19,191 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-09 06:15:19,192 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:15:19,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:15:19,199 INFO L85 PathProgramCache]: Analyzing trace with hash 58046, now seen corresponding path program 1 times [2024-11-09 06:15:19,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:15:19,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894707811] [2024-11-09 06:15:19,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:15:19,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:15:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:15:19,333 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:15:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:15:19,365 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:15:19,366 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:15:19,368 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:15:19,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:15:19,376 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:15:19,395 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:15:19,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:15:19 BoogieIcfgContainer [2024-11-09 06:15:19,400 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:15:19,401 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:15:19,401 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:15:19,401 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:15:19,402 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:15:19" (3/4) ... [2024-11-09 06:15:19,406 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:15:19,407 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:15:19,409 INFO L158 Benchmark]: Toolchain (without parser) took 1132.00ms. Allocated memory is still 157.3MB. Free memory was 126.3MB in the beginning and 85.0MB in the end (delta: 41.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-09 06:15:19,409 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 107.0MB. Free memory is still 66.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:15:19,410 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.31ms. Allocated memory is still 157.3MB. Free memory was 126.3MB in the beginning and 114.3MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 06:15:19,411 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.35ms. Allocated memory is still 157.3MB. Free memory was 114.3MB in the beginning and 112.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:15:19,411 INFO L158 Benchmark]: Boogie Preprocessor took 20.52ms. Allocated memory is still 157.3MB. Free memory was 112.9MB in the beginning and 111.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:15:19,412 INFO L158 Benchmark]: RCFGBuilder took 380.61ms. Allocated memory is still 157.3MB. Free memory was 111.6MB in the beginning and 99.6MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 06:15:19,413 INFO L158 Benchmark]: TraceAbstraction took 341.80ms. Allocated memory is still 157.3MB. Free memory was 99.0MB in the beginning and 85.6MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 06:15:19,414 INFO L158 Benchmark]: Witness Printer took 6.71ms. Allocated memory is still 157.3MB. Free memory was 85.6MB in the beginning and 85.0MB in the end (delta: 627.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:15:19,419 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 107.0MB. Free memory is still 66.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.31ms. Allocated memory is still 157.3MB. Free memory was 126.3MB in the beginning and 114.3MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.35ms. Allocated memory is still 157.3MB. Free memory was 114.3MB in the beginning and 112.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.52ms. Allocated memory is still 157.3MB. Free memory was 112.9MB in the beginning and 111.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 380.61ms. Allocated memory is still 157.3MB. Free memory was 111.6MB in the beginning and 99.6MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 341.80ms. Allocated memory is still 157.3MB. Free memory was 99.0MB in the beginning and 85.6MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 6.71ms. Allocated memory is still 157.3MB. Free memory was 85.6MB in the beginning and 85.0MB in the end (delta: 627.8kB). 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 someBinaryDOUBLEComparisonOperation at line 29, overapproximation of cos at line 29. Possible FailurePath: [L36] double x, y; [L37] x = __VERIFIER_nondet_double() [L38] y = __VERIFIER_nondet_double() [L39] CALL, EXPR benchmark01(x, y) [L29] COND TRUE sin(x) + cos(y) > 1 [L30] return 1; [L39] RET, EXPR benchmark01(x, y) [L39] CALL __VERIFIER_assert(!benchmark01(x, y)) [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: 0.2s, 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 06:15:19,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3d8e71-4d64-4e74-961e-4d9827febe74/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_6a3d8e71-4d64-4e74-961e-4d9827febe74/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3d8e71-4d64-4e74-961e-4d9827febe74/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_6a3d8e71-4d64-4e74-961e-4d9827febe74/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3d8e71-4d64-4e74-961e-4d9827febe74/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-nonlinear/coral-benchmark01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3d8e71-4d64-4e74-961e-4d9827febe74/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_6a3d8e71-4d64-4e74-961e-4d9827febe74/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 5bbeaf701cb3f357bb581e423c010469a213b25d09a846384560b80d60a780d0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:15:22,579 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:15:22,713 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3d8e71-4d64-4e74-961e-4d9827febe74/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 06:15:22,723 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:15:22,723 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:15:22,771 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:15:22,772 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:15:22,773 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:15:22,775 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:15:22,776 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:15:22,777 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:15:22,778 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:15:22,779 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:15:22,779 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:15:22,782 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:15:22,783 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:15:22,784 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:15:22,784 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:15:22,785 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:15:22,785 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:15:22,789 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:15:22,789 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:15:22,790 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:15:22,791 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:15:22,792 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:15:22,793 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:15:22,795 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:15:22,796 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:15:22,796 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:15:22,797 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:15:22,797 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:15:22,797 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:15:22,798 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:15:22,798 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:15:22,800 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:15:22,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:15:22,802 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:15:22,802 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:15:22,802 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:15:22,803 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:15:22,803 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:15:22,804 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:15:22,805 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:15:22,816 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_6a3d8e71-4d64-4e74-961e-4d9827febe74/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3d8e71-4d64-4e74-961e-4d9827febe74/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bbeaf701cb3f357bb581e423c010469a213b25d09a846384560b80d60a780d0 [2024-11-09 06:15:23,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:15:23,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:15:23,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:15:23,309 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:15:23,309 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:15:23,311 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3d8e71-4d64-4e74-961e-4d9827febe74/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/floats-nonlinear/coral-benchmark01.c Unable to find full path for "g++" [2024-11-09 06:15:25,499 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:15:25,733 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:15:25,735 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3d8e71-4d64-4e74-961e-4d9827febe74/sv-benchmarks/c/floats-nonlinear/coral-benchmark01.c [2024-11-09 06:15:25,743 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3d8e71-4d64-4e74-961e-4d9827febe74/bin/utaipan-verify-YMUCfTKeje/data/4901ac37c/aef6d2a0d4fc46b59d6771ec893f0745/FLAGf78b5cfca [2024-11-09 06:15:25,760 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3d8e71-4d64-4e74-961e-4d9827febe74/bin/utaipan-verify-YMUCfTKeje/data/4901ac37c/aef6d2a0d4fc46b59d6771ec893f0745 [2024-11-09 06:15:25,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:15:25,764 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:15:25,766 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:15:25,766 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:15:25,772 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:15:25,773 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:15:25" (1/1) ... [2024-11-09 06:15:25,775 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1af5676c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:25, skipping insertion in model container [2024-11-09 06:15:25,775 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:15:25" (1/1) ... [2024-11-09 06:15:25,796 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:15:25,990 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_6a3d8e71-4d64-4e74-961e-4d9827febe74/sv-benchmarks/c/floats-nonlinear/coral-benchmark01.c[758,771] [2024-11-09 06:15:26,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:15:26,022 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:15:26,041 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_6a3d8e71-4d64-4e74-961e-4d9827febe74/sv-benchmarks/c/floats-nonlinear/coral-benchmark01.c[758,771] [2024-11-09 06:15:26,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:15:26,072 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:15:26,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:26 WrapperNode [2024-11-09 06:15:26,073 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:15:26,075 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:15:26,075 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:15:26,076 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:15:26,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:26" (1/1) ... [2024-11-09 06:15:26,098 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:26" (1/1) ... [2024-11-09 06:15:26,119 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2024-11-09 06:15:26,120 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:15:26,121 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:15:26,122 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:15:26,122 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:15:26,131 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:26" (1/1) ... [2024-11-09 06:15:26,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:26" (1/1) ... [2024-11-09 06:15:26,135 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:26" (1/1) ... [2024-11-09 06:15:26,135 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:26" (1/1) ... [2024-11-09 06:15:26,144 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:26" (1/1) ... [2024-11-09 06:15:26,148 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:26" (1/1) ... [2024-11-09 06:15:26,149 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:26" (1/1) ... [2024-11-09 06:15:26,155 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:26" (1/1) ... [2024-11-09 06:15:26,157 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:15:26,161 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:15:26,161 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:15:26,161 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:15:26,162 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:26" (1/1) ... [2024-11-09 06:15:26,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:15:26,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3d8e71-4d64-4e74-961e-4d9827febe74/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:15:26,198 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3d8e71-4d64-4e74-961e-4d9827febe74/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:15:26,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3d8e71-4d64-4e74-961e-4d9827febe74/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:15:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:15:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:15:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:15:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:15:26,323 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:15:26,326 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:15:27,021 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-09 06:15:27,023 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:15:27,039 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:15:27,040 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 06:15:27,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:15:27 BoogieIcfgContainer [2024-11-09 06:15:27,040 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:15:27,043 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:15:27,043 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:15:27,046 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:15:27,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:15:25" (1/3) ... [2024-11-09 06:15:27,048 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f32b0cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:15:27, skipping insertion in model container [2024-11-09 06:15:27,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:15:26" (2/3) ... [2024-11-09 06:15:27,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f32b0cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:15:27, skipping insertion in model container [2024-11-09 06:15:27,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:15:27" (3/3) ... [2024-11-09 06:15:27,051 INFO L112 eAbstractionObserver]: Analyzing ICFG coral-benchmark01.c [2024-11-09 06:15:27,071 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:15:27,071 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:15:27,154 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:15:27,164 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;@631c1096, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:15:27,165 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:15:27,171 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 06:15:27,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 06:15:27,179 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:15:27,180 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 06:15:27,182 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:15:27,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:15:27,190 INFO L85 PathProgramCache]: Analyzing trace with hash 889508713, now seen corresponding path program 1 times [2024-11-09 06:15:27,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:15:27,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1767563613] [2024-11-09 06:15:27,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:15:27,206 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 06:15:27,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3d8e71-4d64-4e74-961e-4d9827febe74/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:15:27,210 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3d8e71-4d64-4e74-961e-4d9827febe74/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 06:15:27,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3d8e71-4d64-4e74-961e-4d9827febe74/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 06:15:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:15:27,385 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:15:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:15:27,520 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-09 06:15:27,523 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:15:27,525 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:15:27,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3d8e71-4d64-4e74-961e-4d9827febe74/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)] Forceful destruction successful, exit code 0 [2024-11-09 06:15:27,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3d8e71-4d64-4e74-961e-4d9827febe74/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 06:15:27,737 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:15:27,758 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:15:27,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:15:27 BoogieIcfgContainer [2024-11-09 06:15:27,762 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:15:27,763 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:15:27,763 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:15:27,763 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:15:27,764 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:15:27" (3/4) ... [2024-11-09 06:15:27,768 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:15:27,770 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:15:27,771 INFO L158 Benchmark]: Toolchain (without parser) took 2006.62ms. Allocated memory is still 73.4MB. Free memory was 50.7MB in the beginning and 33.0MB in the end (delta: 17.7MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2024-11-09 06:15:27,772 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 73.4MB. Free memory was 49.2MB in the beginning and 49.1MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:15:27,773 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.44ms. Allocated memory is still 73.4MB. Free memory was 50.5MB in the beginning and 37.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 06:15:27,774 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.74ms. Allocated memory is still 73.4MB. Free memory was 37.7MB in the beginning and 36.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:15:27,775 INFO L158 Benchmark]: Boogie Preprocessor took 35.95ms. Allocated memory is still 73.4MB. Free memory was 36.3MB in the beginning and 35.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:15:27,776 INFO L158 Benchmark]: RCFGBuilder took 879.98ms. Allocated memory is still 73.4MB. Free memory was 35.0MB in the beginning and 46.4MB in the end (delta: -11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 06:15:27,777 INFO L158 Benchmark]: TraceAbstraction took 719.50ms. Allocated memory is still 73.4MB. Free memory was 45.9MB in the beginning and 33.5MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 06:15:27,777 INFO L158 Benchmark]: Witness Printer took 6.92ms. Allocated memory is still 73.4MB. Free memory was 33.5MB in the beginning and 33.0MB in the end (delta: 527.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:15:27,782 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 73.4MB. Free memory was 49.2MB in the beginning and 49.1MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.44ms. Allocated memory is still 73.4MB. Free memory was 50.5MB in the beginning and 37.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.74ms. Allocated memory is still 73.4MB. Free memory was 37.7MB in the beginning and 36.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.95ms. Allocated memory is still 73.4MB. Free memory was 36.3MB in the beginning and 35.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 879.98ms. Allocated memory is still 73.4MB. Free memory was 35.0MB in the beginning and 46.4MB in the end (delta: -11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 719.50ms. Allocated memory is still 73.4MB. Free memory was 45.9MB in the beginning and 33.5MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 6.92ms. Allocated memory is still 73.4MB. Free memory was 33.5MB in the beginning and 33.0MB in the end (delta: 527.9kB). Peak memory consumption was 2.1MB. 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 cos at line 29. Possible FailurePath: [L36] double x, y; [L37] x = __VERIFIER_nondet_double() [L38] y = __VERIFIER_nondet_double() [L39] CALL, EXPR benchmark01(x, y) [L29] COND TRUE sin(x) + cos(y) > 1 [L30] return 1; VAL [\result=1] [L39] RET, EXPR benchmark01(x, y) [L39] CALL __VERIFIER_assert(!benchmark01(x, y)) [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: 0.6s, 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, 0.1s 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 06:15:27,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a3d8e71-4d64-4e74-961e-4d9827febe74/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