./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1 --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 9dedb0728b3792362987c8abb931c76242b61fe495915d3d202e3235d1ac45be --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:18:32,097 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:18:32,158 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 10:18:32,163 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:18:32,163 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:18:32,186 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:18:32,187 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:18:32,187 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:18:32,187 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:18:32,187 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:18:32,187 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:18:32,187 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:18:32,188 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:18:32,188 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:18:32,188 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:18:32,188 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:18:32,188 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:18:32,188 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:18:32,188 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:18:32,189 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:18:32,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:18:32,189 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:18:32,189 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:18:32,189 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:18:32,189 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:18:32,189 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:18:32,189 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:18:32,189 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:18:32,189 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:18:32,189 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:18:32,190 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:18:32,190 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:18:32,190 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:18:32,190 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:18:32,190 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:18:32,190 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:18:32,190 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:18:32,190 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:18:32,190 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:18:32,190 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:18:32,190 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:18:32,191 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:18:32,191 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 10:18:32,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 10:18:32,191 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:18:32,191 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:18:32,191 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:18:32,191 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:18:32,191 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_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1 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 -> 9dedb0728b3792362987c8abb931c76242b61fe495915d3d202e3235d1ac45be [2024-12-02 10:18:32,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:18:32,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:18:32,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:18:32,481 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:18:32,482 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:18:32,483 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c [2024-12-02 10:18:35,227 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1/data/8223f9274/e337c12219df4d069b86211ceacc517a/FLAGff4b15dc7 [2024-12-02 10:18:35,448 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:18:35,449 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c [2024-12-02 10:18:35,455 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1/data/8223f9274/e337c12219df4d069b86211ceacc517a/FLAGff4b15dc7 [2024-12-02 10:18:35,470 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1/data/8223f9274/e337c12219df4d069b86211ceacc517a [2024-12-02 10:18:35,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:18:35,474 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:18:35,475 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:18:35,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:18:35,480 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:18:35,480 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:18:35" (1/1) ... [2024-12-02 10:18:35,481 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@367b1417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:35, skipping insertion in model container [2024-12-02 10:18:35,481 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:18:35" (1/1) ... [2024-12-02 10:18:35,494 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:18:35,621 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_4d0d3cca-ced6-44f4-8050-9253cb3449a9/sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c[758,771] [2024-12-02 10:18:35,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:18:35,641 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:18:35,649 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_4d0d3cca-ced6-44f4-8050-9253cb3449a9/sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c[758,771] [2024-12-02 10:18:35,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:18:35,665 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:18:35,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:35 WrapperNode [2024-12-02 10:18:35,665 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:18:35,666 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:18:35,666 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:18:35,666 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:18:35,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:35" (1/1) ... [2024-12-02 10:18:35,678 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:35" (1/1) ... [2024-12-02 10:18:35,692 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2024-12-02 10:18:35,693 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:18:35,693 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:18:35,693 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:18:35,693 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:18:35,701 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:35" (1/1) ... [2024-12-02 10:18:35,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:35" (1/1) ... [2024-12-02 10:18:35,702 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:35" (1/1) ... [2024-12-02 10:18:35,711 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]. [2024-12-02 10:18:35,711 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:35" (1/1) ... [2024-12-02 10:18:35,711 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:35" (1/1) ... [2024-12-02 10:18:35,715 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:35" (1/1) ... [2024-12-02 10:18:35,715 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:35" (1/1) ... [2024-12-02 10:18:35,717 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:35" (1/1) ... [2024-12-02 10:18:35,718 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:35" (1/1) ... [2024-12-02 10:18:35,719 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:35" (1/1) ... [2024-12-02 10:18:35,720 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:18:35,721 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:18:35,721 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:18:35,721 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:18:35,722 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:35" (1/1) ... [2024-12-02 10:18:35,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:18:35,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:18:35,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:18:35,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:18:35,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:18:35,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 10:18:35,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:18:35,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:18:35,831 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:18:35,833 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:18:35,927 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-12-02 10:18:35,927 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:18:35,935 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:18:35,935 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 10:18:35,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:18:35 BoogieIcfgContainer [2024-12-02 10:18:35,936 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:18:35,938 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:18:35,938 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:18:35,943 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:18:35,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:18:35" (1/3) ... [2024-12-02 10:18:35,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@670e5a39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:18:35, skipping insertion in model container [2024-12-02 10:18:35,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:35" (2/3) ... [2024-12-02 10:18:35,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@670e5a39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:18:35, skipping insertion in model container [2024-12-02 10:18:35,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:18:35" (3/3) ... [2024-12-02 10:18:35,946 INFO L128 eAbstractionObserver]: Analyzing ICFG coral-benchmark20.c [2024-12-02 10:18:35,960 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:18:35,961 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG coral-benchmark20.c that has 1 procedures, 11 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-12-02 10:18:36,008 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:18:36,020 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;@ded019a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:18:36,020 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:18:36,024 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) [2024-12-02 10:18:36,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-02 10:18:36,028 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:18:36,028 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-12-02 10:18:36,029 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:18:36,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:18:36,033 INFO L85 PathProgramCache]: Analyzing trace with hash 889508713, now seen corresponding path program 1 times [2024-12-02 10:18:36,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:18:36,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977393111] [2024-12-02 10:18:36,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:18:36,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:18:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:18:36,126 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:18:36,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:18:36,156 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 10:18:36,158 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 10:18:36,160 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 10:18:36,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 10:18:36,167 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-12-02 10:18:36,186 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 10:18:36,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 10:18:36 BoogieIcfgContainer [2024-12-02 10:18:36,190 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 10:18:36,190 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 10:18:36,190 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 10:18:36,191 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 10:18:36,191 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:18:35" (3/4) ... [2024-12-02 10:18:36,194 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 10:18:36,195 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 10:18:36,196 INFO L158 Benchmark]: Toolchain (without parser) took 722.62ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 57.6MB in the end (delta: 35.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-02 10:18:36,197 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 72.4MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:18:36,197 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.03ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 82.1MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:18:36,198 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.51ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 81.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:18:36,198 INFO L158 Benchmark]: Boogie Preprocessor took 26.93ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.8MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:18:36,198 INFO L158 Benchmark]: RCFGBuilder took 214.68ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 70.7MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:18:36,199 INFO L158 Benchmark]: TraceAbstraction took 252.14ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 57.9MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:18:36,199 INFO L158 Benchmark]: Witness Printer took 4.76ms. Allocated memory is still 117.4MB. Free memory was 57.7MB in the beginning and 57.6MB in the end (delta: 193.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:18:36,201 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 72.4MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 191.03ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 82.1MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.51ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 81.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.93ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.8MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 214.68ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 70.7MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 252.14ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 57.9MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.76ms. Allocated memory is still 117.4MB. Free memory was 57.7MB in the beginning and 57.6MB in the end (delta: 193.7kB). 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 benchmark20(x, y) [L31] COND TRUE sin(sin(x * y)) < 0 && cos(2 * x) > 0.25 [L32] return 1; VAL [\result=1] [L41] RET, EXPR benchmark20(x, y) [L41] CALL __VERIFIER_assert(!benchmark20(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: 0.2s, 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=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 [2024-12-02 10:18:36,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1/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_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1 --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 9dedb0728b3792362987c8abb931c76242b61fe495915d3d202e3235d1ac45be --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:18:38,447 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:18:38,539 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 10:18:38,548 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:18:38,548 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:18:38,574 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:18:38,575 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:18:38,575 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:18:38,576 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:18:38,576 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:18:38,576 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:18:38,576 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:18:38,576 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:18:38,576 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:18:38,576 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:18:38,577 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:18:38,577 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:18:38,577 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:18:38,577 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:18:38,577 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:18:38,577 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:18:38,577 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:18:38,577 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:18:38,577 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 10:18:38,577 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 10:18:38,578 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 10:18:38,578 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:18:38,578 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:18:38,578 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:18:38,578 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:18:38,578 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:18:38,578 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:18:38,578 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:18:38,578 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:18:38,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:18:38,579 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:18:38,579 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:18:38,579 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:18:38,579 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:18:38,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:18:38,579 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:18:38,579 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:18:38,579 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:18:38,579 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:18:38,579 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 10:18:38,579 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 10:18:38,580 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:18:38,580 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:18:38,580 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:18:38,580 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:18:38,580 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_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1 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 -> 9dedb0728b3792362987c8abb931c76242b61fe495915d3d202e3235d1ac45be [2024-12-02 10:18:38,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:18:38,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:18:38,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:18:38,881 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:18:38,881 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:18:38,882 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c [2024-12-02 10:18:41,655 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1/data/cf37d7ab6/b7d63b38f90c48cd9f8d6f30614d2652/FLAG6250b49fb [2024-12-02 10:18:41,859 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:18:41,860 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c [2024-12-02 10:18:41,868 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1/data/cf37d7ab6/b7d63b38f90c48cd9f8d6f30614d2652/FLAG6250b49fb [2024-12-02 10:18:41,883 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1/data/cf37d7ab6/b7d63b38f90c48cd9f8d6f30614d2652 [2024-12-02 10:18:41,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:18:41,887 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:18:41,888 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:18:41,888 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:18:41,891 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:18:41,892 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:18:41" (1/1) ... [2024-12-02 10:18:41,893 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5123ec17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:41, skipping insertion in model container [2024-12-02 10:18:41,893 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:18:41" (1/1) ... [2024-12-02 10:18:41,904 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:18:42,030 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_4d0d3cca-ced6-44f4-8050-9253cb3449a9/sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c[758,771] [2024-12-02 10:18:42,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:18:42,055 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:18:42,065 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_4d0d3cca-ced6-44f4-8050-9253cb3449a9/sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c[758,771] [2024-12-02 10:18:42,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:18:42,083 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:18:42,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:42 WrapperNode [2024-12-02 10:18:42,083 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:18:42,084 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:18:42,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:18:42,084 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:18:42,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:42" (1/1) ... [2024-12-02 10:18:42,098 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:42" (1/1) ... [2024-12-02 10:18:42,113 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2024-12-02 10:18:42,113 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:18:42,114 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:18:42,114 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:18:42,114 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:18:42,121 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:42" (1/1) ... [2024-12-02 10:18:42,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:42" (1/1) ... [2024-12-02 10:18:42,123 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:42" (1/1) ... [2024-12-02 10:18:42,136 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]. [2024-12-02 10:18:42,137 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:42" (1/1) ... [2024-12-02 10:18:42,137 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:42" (1/1) ... [2024-12-02 10:18:42,144 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:42" (1/1) ... [2024-12-02 10:18:42,145 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:42" (1/1) ... [2024-12-02 10:18:42,147 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:42" (1/1) ... [2024-12-02 10:18:42,148 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:42" (1/1) ... [2024-12-02 10:18:42,149 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:42" (1/1) ... [2024-12-02 10:18:42,152 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:18:42,153 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:18:42,153 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:18:42,153 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:18:42,154 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:42" (1/1) ... [2024-12-02 10:18:42,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:18:42,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:18:42,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:18:42,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:18:42,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:18:42,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 10:18:42,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:18:42,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:18:42,273 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:18:42,274 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:18:42,387 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-12-02 10:18:42,387 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:18:42,395 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:18:42,395 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 10:18:42,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:18:42 BoogieIcfgContainer [2024-12-02 10:18:42,396 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:18:42,398 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:18:42,398 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:18:42,402 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:18:42,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:18:41" (1/3) ... [2024-12-02 10:18:42,403 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f857669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:18:42, skipping insertion in model container [2024-12-02 10:18:42,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:42" (2/3) ... [2024-12-02 10:18:42,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f857669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:18:42, skipping insertion in model container [2024-12-02 10:18:42,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:18:42" (3/3) ... [2024-12-02 10:18:42,406 INFO L128 eAbstractionObserver]: Analyzing ICFG coral-benchmark20.c [2024-12-02 10:18:42,420 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:18:42,422 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG coral-benchmark20.c that has 1 procedures, 11 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-12-02 10:18:42,470 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:18:42,482 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;@10b220a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:18:42,482 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:18:42,486 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) [2024-12-02 10:18:42,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-02 10:18:42,490 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:18:42,491 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-12-02 10:18:42,491 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:18:42,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:18:42,496 INFO L85 PathProgramCache]: Analyzing trace with hash 889508713, now seen corresponding path program 1 times [2024-12-02 10:18:42,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:18:42,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [749974574] [2024-12-02 10:18:42,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:18:42,505 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 [2024-12-02 10:18:42,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:18:42,507 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 10:18:42,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 10:18:42,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:18:42,578 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:18:42,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:18:42,618 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-12-02 10:18:42,620 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 10:18:42,621 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 10:18:42,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 10:18:42,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 10:18:42,827 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-12-02 10:18:42,840 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 10:18:42,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 10:18:42 BoogieIcfgContainer [2024-12-02 10:18:42,843 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 10:18:42,844 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 10:18:42,844 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 10:18:42,844 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 10:18:42,845 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:18:42" (3/4) ... [2024-12-02 10:18:42,847 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 10:18:42,848 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 10:18:42,849 INFO L158 Benchmark]: Toolchain (without parser) took 962.45ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 63.4MB in the end (delta: 6.0MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2024-12-02 10:18:42,849 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:18:42,849 INFO L158 Benchmark]: CACSL2BoogieTranslator took 196.06ms. Allocated memory is still 92.3MB. Free memory was 69.2MB in the beginning and 58.0MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:18:42,850 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.30ms. Allocated memory is still 92.3MB. Free memory was 57.9MB in the beginning and 56.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:18:42,850 INFO L158 Benchmark]: Boogie Preprocessor took 37.98ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 55.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:18:42,850 INFO L158 Benchmark]: RCFGBuilder took 242.95ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 46.2MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:18:42,851 INFO L158 Benchmark]: TraceAbstraction took 445.90ms. Allocated memory is still 92.3MB. Free memory was 45.7MB in the beginning and 63.8MB in the end (delta: -18.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:18:42,851 INFO L158 Benchmark]: Witness Printer took 3.96ms. Allocated memory is still 92.3MB. Free memory was 63.8MB in the beginning and 63.4MB in the end (delta: 345.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:18:42,853 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 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 196.06ms. Allocated memory is still 92.3MB. Free memory was 69.2MB in the beginning and 58.0MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.30ms. Allocated memory is still 92.3MB. Free memory was 57.9MB in the beginning and 56.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.98ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 55.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 242.95ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 46.2MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 445.90ms. Allocated memory is still 92.3MB. Free memory was 45.7MB in the beginning and 63.8MB in the end (delta: -18.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.96ms. Allocated memory is still 92.3MB. Free memory was 63.8MB in the beginning and 63.4MB in the end (delta: 345.1kB). 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 benchmark20(x, y) [L31] COND TRUE sin(sin(x * y)) < 0 && cos(2 * x) > 0.25 [L32] return 1; VAL [\result=1] [L41] RET, EXPR benchmark20(x, y) [L41] CALL __VERIFIER_assert(!benchmark20(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 [2024-12-02 10:18:42,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d3cca-ced6-44f4-8050-9253cb3449a9/bin/uautomizer-verify-84ZbGMXZE1/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