./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-nonlinear/coral-benchmark09.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-nonlinear/coral-benchmark09.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 66ed7ee19bc39f936e96e539df292a147db31db80a790587510ffe6e0ad99bba --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:11:06,799 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:11:06,878 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 01:11:06,886 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:11:06,886 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:11:06,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:11:06,928 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:11:06,928 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:11:06,928 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:11:06,928 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:11:06,929 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:11:06,929 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:11:06,929 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:11:06,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:11:06,929 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:11:06,929 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:11:06,929 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:11:06,930 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:11:06,930 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:11:06,930 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:11:06,930 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:11:06,930 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:11:06,930 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:11:06,930 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:11:06,930 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:11:06,930 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:11:06,930 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:11:06,931 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:11:06,931 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:11:06,931 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:11:06,931 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:11:06,931 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:11:06,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:11:06,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:11:06,931 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:11:06,931 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:11:06,932 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:11:06,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:11:06,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:11:06,932 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:11:06,932 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:11:06,932 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:11:06,932 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:11:06,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:11:06,932 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:11:06,932 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:11:06,932 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:11:06,932 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:11:06,933 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66ed7ee19bc39f936e96e539df292a147db31db80a790587510ffe6e0ad99bba [2024-11-24 01:11:07,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:11:07,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:11:07,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:11:07,303 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:11:07,303 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:11:07,305 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/floats-nonlinear/coral-benchmark09.c [2024-11-24 01:11:10,278 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC/data/d727346e6/908ffea153944fb7975057bff89f0c49/FLAG5142a8dd5 [2024-11-24 01:11:10,541 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:11:10,542 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/sv-benchmarks/c/floats-nonlinear/coral-benchmark09.c [2024-11-24 01:11:10,553 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC/data/d727346e6/908ffea153944fb7975057bff89f0c49/FLAG5142a8dd5 [2024-11-24 01:11:10,577 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC/data/d727346e6/908ffea153944fb7975057bff89f0c49 [2024-11-24 01:11:10,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:11:10,583 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:11:10,585 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:11:10,586 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:11:10,597 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:11:10,598 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:11:10" (1/1) ... [2024-11-24 01:11:10,599 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28fe81b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:10, skipping insertion in model container [2024-11-24 01:11:10,599 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:11:10" (1/1) ... [2024-11-24 01:11:10,636 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:11:10,832 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_1540159f-0b83-4563-a669-5cffef599af5/sv-benchmarks/c/floats-nonlinear/coral-benchmark09.c[758,771] [2024-11-24 01:11:10,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:11:10,859 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:11:10,871 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_1540159f-0b83-4563-a669-5cffef599af5/sv-benchmarks/c/floats-nonlinear/coral-benchmark09.c[758,771] [2024-11-24 01:11:10,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:11:10,892 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:11:10,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:10 WrapperNode [2024-11-24 01:11:10,894 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:11:10,896 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:11:10,896 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:11:10,896 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:11:10,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:10" (1/1) ... [2024-11-24 01:11:10,913 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:10" (1/1) ... [2024-11-24 01:11:10,933 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-11-24 01:11:10,934 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:11:10,935 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:11:10,936 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:11:10,936 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:11:10,946 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:10" (1/1) ... [2024-11-24 01:11:10,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:10" (1/1) ... [2024-11-24 01:11:10,949 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:10" (1/1) ... [2024-11-24 01:11:10,961 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 01:11:10,961 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:10" (1/1) ... [2024-11-24 01:11:10,962 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:10" (1/1) ... [2024-11-24 01:11:10,965 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:10" (1/1) ... [2024-11-24 01:11:10,967 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:10" (1/1) ... [2024-11-24 01:11:10,969 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:10" (1/1) ... [2024-11-24 01:11:10,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:10" (1/1) ... [2024-11-24 01:11:10,974 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:10" (1/1) ... [2024-11-24 01:11:10,979 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:11:10,979 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:11:10,980 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:11:10,980 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:11:10,981 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:10" (1/1) ... [2024-11-24 01:11:10,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:11:11,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:11:11,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:11:11,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:11:11,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:11:11,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:11:11,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:11:11,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:11:11,106 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:11:11,108 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:11:11,213 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-24 01:11:11,213 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:11:11,222 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:11:11,222 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 01:11:11,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:11:11 BoogieIcfgContainer [2024-11-24 01:11:11,223 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:11:11,225 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:11:11,225 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:11:11,231 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:11:11,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:11:10" (1/3) ... [2024-11-24 01:11:11,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24b1abc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:11:11, skipping insertion in model container [2024-11-24 01:11:11,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:10" (2/3) ... [2024-11-24 01:11:11,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24b1abc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:11:11, skipping insertion in model container [2024-11-24 01:11:11,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:11:11" (3/3) ... [2024-11-24 01:11:11,233 INFO L128 eAbstractionObserver]: Analyzing ICFG coral-benchmark09.c [2024-11-24 01:11:11,250 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:11:11,252 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG coral-benchmark09.c that has 1 procedures, 11 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-24 01:11:11,313 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:11:11,331 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7a89296e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:11:11,331 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:11:11,336 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) [2024-11-24 01:11:11,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-24 01:11:11,343 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:11:11,343 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-24 01:11:11,344 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:11:11,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:11:11,349 INFO L85 PathProgramCache]: Analyzing trace with hash 889508713, now seen corresponding path program 1 times [2024-11-24 01:11:11,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:11:11,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449930484] [2024-11-24 01:11:11,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:11,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:11:11,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:11:11,498 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:11:11,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:11:11,549 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 01:11:11,551 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:11:11,553 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:11:11,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:11:11,564 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-24 01:11:11,586 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:11:11,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:11:11 BoogieIcfgContainer [2024-11-24 01:11:11,593 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:11:11,593 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:11:11,593 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:11:11,593 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:11:11,596 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:11:11" (3/4) ... [2024-11-24 01:11:11,599 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 01:11:11,601 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:11:11,603 INFO L158 Benchmark]: Toolchain (without parser) took 1020.19ms. Allocated memory was 142.6MB in the beginning and 117.4MB in the end (delta: -25.2MB). Free memory was 120.7MB in the beginning and 59.6MB in the end (delta: 61.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 01:11:11,603 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:11:11,604 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.71ms. Allocated memory was 142.6MB in the beginning and 117.4MB in the end (delta: -25.2MB). Free memory was 120.7MB in the beginning and 84.9MB in the end (delta: 35.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:11:11,604 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.19ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 83.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:11:11,604 INFO L158 Benchmark]: Boogie Preprocessor took 43.37ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 82.6MB in the end (delta: 903.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:11:11,607 INFO L158 Benchmark]: RCFGBuilder took 243.70ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 73.0MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:11:11,608 INFO L158 Benchmark]: TraceAbstraction took 367.37ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 59.8MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:11:11,608 INFO L158 Benchmark]: Witness Printer took 8.42ms. Allocated memory is still 117.4MB. Free memory was 59.8MB in the beginning and 59.6MB in the end (delta: 291.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:11:11,610 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.71ms. Allocated memory was 142.6MB in the beginning and 117.4MB in the end (delta: -25.2MB). Free memory was 120.7MB in the beginning and 84.9MB in the end (delta: 35.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.19ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 83.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.37ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 82.6MB in the end (delta: 903.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 243.70ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 73.0MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 367.37ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 59.8MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 8.42ms. Allocated memory is still 117.4MB. Free memory was 59.8MB in the beginning and 59.6MB in the end (delta: 291.5kB). 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 someBinaryDOUBLEComparisonOperation at line 31. Possible FailurePath: [L38] double x, y; [L39] x = __VERIFIER_nondet_double() [L40] y = __VERIFIER_nondet_double() [L41] CALL, EXPR benchmark09(x, y) [L31] COND TRUE sin(cos(x * y)) < cos(sin(x * y)) [L32] return 1; VAL [\result=1] [L41] RET, EXPR benchmark09(x, y) [L41] CALL __VERIFIER_assert(!benchmark09(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: 0.3s, 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, 0.0s 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 01:11:11,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-nonlinear/coral-benchmark09.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 66ed7ee19bc39f936e96e539df292a147db31db80a790587510ffe6e0ad99bba --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:11:14,426 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:11:14,565 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 01:11:14,572 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:11:14,572 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:11:14,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:11:14,597 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:11:14,598 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:11:14,598 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:11:14,598 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:11:14,598 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:11:14,598 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:11:14,599 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:11:14,599 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:11:14,599 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:11:14,599 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:11:14,600 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:11:14,600 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:11:14,601 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:11:14,601 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:11:14,601 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:11:14,601 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:11:14,601 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:11:14,601 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 01:11:14,602 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 01:11:14,602 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 01:11:14,602 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:11:14,602 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:11:14,602 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:11:14,602 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:11:14,602 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:11:14,602 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:11:14,603 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:11:14,603 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:11:14,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:11:14,603 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:11:14,603 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:11:14,603 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:11:14,603 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:11:14,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:11:14,604 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:11:14,604 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:11:14,604 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:11:14,604 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:11:14,604 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 01:11:14,604 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 01:11:14,604 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:11:14,605 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:11:14,605 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:11:14,605 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:11:14,605 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66ed7ee19bc39f936e96e539df292a147db31db80a790587510ffe6e0ad99bba [2024-11-24 01:11:14,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:11:14,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:11:14,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:11:14,920 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:11:14,920 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:11:14,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/floats-nonlinear/coral-benchmark09.c [2024-11-24 01:11:17,952 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC/data/b48fa4e95/ab27854607b54e59a557bdda78fce35b/FLAGd32fe1e38 [2024-11-24 01:11:18,180 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:11:18,180 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/sv-benchmarks/c/floats-nonlinear/coral-benchmark09.c [2024-11-24 01:11:18,188 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC/data/b48fa4e95/ab27854607b54e59a557bdda78fce35b/FLAGd32fe1e38 [2024-11-24 01:11:18,529 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC/data/b48fa4e95/ab27854607b54e59a557bdda78fce35b [2024-11-24 01:11:18,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:11:18,534 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:11:18,537 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:11:18,537 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:11:18,541 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:11:18,542 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:11:18" (1/1) ... [2024-11-24 01:11:18,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@463d46ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:18, skipping insertion in model container [2024-11-24 01:11:18,543 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:11:18" (1/1) ... [2024-11-24 01:11:18,555 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:11:18,737 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_1540159f-0b83-4563-a669-5cffef599af5/sv-benchmarks/c/floats-nonlinear/coral-benchmark09.c[758,771] [2024-11-24 01:11:18,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:11:18,774 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:11:18,785 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_1540159f-0b83-4563-a669-5cffef599af5/sv-benchmarks/c/floats-nonlinear/coral-benchmark09.c[758,771] [2024-11-24 01:11:18,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:11:18,813 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:11:18,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:18 WrapperNode [2024-11-24 01:11:18,814 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:11:18,814 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:11:18,815 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:11:18,815 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:11:18,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:18" (1/1) ... [2024-11-24 01:11:18,828 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:18" (1/1) ... [2024-11-24 01:11:18,844 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-11-24 01:11:18,844 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:11:18,846 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:11:18,846 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:11:18,846 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:11:18,853 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:18" (1/1) ... [2024-11-24 01:11:18,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:18" (1/1) ... [2024-11-24 01:11:18,855 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:18" (1/1) ... [2024-11-24 01:11:18,863 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 01:11:18,864 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:18" (1/1) ... [2024-11-24 01:11:18,864 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:18" (1/1) ... [2024-11-24 01:11:18,869 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:18" (1/1) ... [2024-11-24 01:11:18,870 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:18" (1/1) ... [2024-11-24 01:11:18,872 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:18" (1/1) ... [2024-11-24 01:11:18,873 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:18" (1/1) ... [2024-11-24 01:11:18,874 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:18" (1/1) ... [2024-11-24 01:11:18,880 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:11:18,881 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:11:18,883 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:11:18,884 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:11:18,885 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:18" (1/1) ... [2024-11-24 01:11:18,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:11:18,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:11:18,922 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:11:18,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:11:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:11:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 01:11:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:11:18,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:11:19,044 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:11:19,046 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:11:19,205 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-24 01:11:19,205 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:11:19,218 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:11:19,218 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 01:11:19,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:11:19 BoogieIcfgContainer [2024-11-24 01:11:19,219 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:11:19,224 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:11:19,224 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:11:19,230 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:11:19,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:11:18" (1/3) ... [2024-11-24 01:11:19,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11453b2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:11:19, skipping insertion in model container [2024-11-24 01:11:19,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:11:18" (2/3) ... [2024-11-24 01:11:19,234 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11453b2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:11:19, skipping insertion in model container [2024-11-24 01:11:19,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:11:19" (3/3) ... [2024-11-24 01:11:19,237 INFO L128 eAbstractionObserver]: Analyzing ICFG coral-benchmark09.c [2024-11-24 01:11:19,256 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:11:19,260 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG coral-benchmark09.c that has 1 procedures, 11 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-24 01:11:19,330 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:11:19,346 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1c4835c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:11:19,347 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:11:19,351 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) [2024-11-24 01:11:19,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-24 01:11:19,357 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:11:19,358 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-24 01:11:19,358 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:11:19,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:11:19,365 INFO L85 PathProgramCache]: Analyzing trace with hash 889508713, now seen corresponding path program 1 times [2024-11-24 01:11:19,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:11:19,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1769168033] [2024-11-24 01:11:19,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:19,378 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 [2024-11-24 01:11:19,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:11:19,380 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:11:19,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:11:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:11:19,470 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:11:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:11:19,525 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-24 01:11:19,527 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:11:19,528 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:11:19,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:11:19,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:11:19,734 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-24 01:11:19,747 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:11:19,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:11:19 BoogieIcfgContainer [2024-11-24 01:11:19,751 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:11:19,751 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:11:19,751 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:11:19,751 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:11:19,752 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:11:19" (3/4) ... [2024-11-24 01:11:19,755 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 01:11:19,756 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:11:19,757 INFO L158 Benchmark]: Toolchain (without parser) took 1223.24ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 25.3MB in the end (delta: 35.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-24 01:11:19,757 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory was 63.9MB in the beginning and 63.9MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:11:19,758 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.85ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 49.4MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:11:19,758 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.59ms. Allocated memory is still 83.9MB. Free memory was 49.1MB in the beginning and 48.2MB in the end (delta: 926.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:11:19,758 INFO L158 Benchmark]: Boogie Preprocessor took 34.85ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 46.8MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:11:19,759 INFO L158 Benchmark]: RCFGBuilder took 338.12ms. Allocated memory is still 83.9MB. Free memory was 46.8MB in the beginning and 37.5MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:11:19,759 INFO L158 Benchmark]: TraceAbstraction took 526.91ms. Allocated memory is still 83.9MB. Free memory was 36.9MB in the beginning and 25.6MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:11:19,759 INFO L158 Benchmark]: Witness Printer took 4.51ms. Allocated memory is still 83.9MB. Free memory was 25.6MB in the beginning and 25.3MB in the end (delta: 316.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:11:19,761 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory was 63.9MB in the beginning and 63.9MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.85ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 49.4MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.59ms. Allocated memory is still 83.9MB. Free memory was 49.1MB in the beginning and 48.2MB in the end (delta: 926.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.85ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 46.8MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 338.12ms. Allocated memory is still 83.9MB. Free memory was 46.8MB in the beginning and 37.5MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 526.91ms. Allocated memory is still 83.9MB. Free memory was 36.9MB in the beginning and 25.6MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.51ms. Allocated memory is still 83.9MB. Free memory was 25.6MB in the beginning and 25.3MB in the end (delta: 316.8kB). 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 cos at line 31. Possible FailurePath: [L38] double x, y; [L39] x = __VERIFIER_nondet_double() [L40] y = __VERIFIER_nondet_double() [L41] CALL, EXPR benchmark09(x, y) [L31] COND TRUE sin(cos(x * y)) < cos(sin(x * y)) [L32] return 1; VAL [\result=1] [L41] RET, EXPR benchmark09(x, y) [L41] CALL __VERIFIER_assert(!benchmark09(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: 0.4s, 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, 0.0s 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 01:11:19,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1540159f-0b83-4563-a669-5cffef599af5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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