./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 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU --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 0.2.5-dev-4fc63b2 [2024-10-31 22:01:59,874 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:01:59,979 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:01:59,985 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:01:59,986 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:02:00,020 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:02:00,023 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:02:00,024 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:02:00,024 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:02:00,026 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:02:00,026 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:02:00,027 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:02:00,028 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:02:00,030 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:02:00,031 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:02:00,031 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:02:00,031 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:02:00,032 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:02:00,032 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:02:00,032 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:02:00,033 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:02:00,037 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:02:00,037 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:02:00,038 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:02:00,038 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:02:00,038 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:02:00,039 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:02:00,039 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:02:00,039 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:02:00,040 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:02:00,040 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:02:00,040 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:02:00,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:02:00,041 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:02:00,041 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:02:00,041 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:02:00,042 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:02:00,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:02:00,042 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:02:00,043 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:02:00,043 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:02:00,043 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:02:00,044 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9dedb0728b3792362987c8abb931c76242b61fe495915d3d202e3235d1ac45be [2024-10-31 22:02:00,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:02:00,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:02:00,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:02:00,391 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:02:00,391 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:02:00,392 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c Unable to find full path for "g++" [2024-10-31 22:02:02,547 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:02:02,859 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:02:02,862 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c [2024-10-31 22:02:02,872 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU/data/94ffb5239/385834261c17492983529e08b23cc5a8/FLAGce89456ce [2024-10-31 22:02:02,893 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU/data/94ffb5239/385834261c17492983529e08b23cc5a8 [2024-10-31 22:02:02,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:02:02,897 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:02:02,902 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:02:02,902 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:02:02,909 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:02:02,910 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:02:02" (1/1) ... [2024-10-31 22:02:02,912 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@482d421d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:02, skipping insertion in model container [2024-10-31 22:02:02,913 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:02:02" (1/1) ... [2024-10-31 22:02:02,966 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:02:03,277 WARN L251 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_581f6865-3e3c-4690-8508-baa4f0a8c128/sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c[758,771] [2024-10-31 22:02:03,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:02:03,374 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:02:03,421 WARN L251 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_581f6865-3e3c-4690-8508-baa4f0a8c128/sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c[758,771] [2024-10-31 22:02:03,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:02:03,474 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:02:03,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:03 WrapperNode [2024-10-31 22:02:03,481 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:02:03,482 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:02:03,483 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:02:03,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:02:03,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:03" (1/1) ... [2024-10-31 22:02:03,518 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:03" (1/1) ... [2024-10-31 22:02:03,557 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2024-10-31 22:02:03,562 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:02:03,563 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:02:03,563 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:02:03,563 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:02:03,587 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:03" (1/1) ... [2024-10-31 22:02:03,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:03" (1/1) ... [2024-10-31 22:02:03,593 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:03" (1/1) ... [2024-10-31 22:02:03,622 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]. [2024-10-31 22:02:03,623 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:03" (1/1) ... [2024-10-31 22:02:03,623 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:03" (1/1) ... [2024-10-31 22:02:03,632 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:03" (1/1) ... [2024-10-31 22:02:03,634 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:03" (1/1) ... [2024-10-31 22:02:03,639 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:03" (1/1) ... [2024-10-31 22:02:03,644 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:03" (1/1) ... [2024-10-31 22:02:03,645 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:02:03,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:02:03,651 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:02:03,651 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:02:03,652 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:03" (1/1) ... [2024-10-31 22:02:03,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:02:03,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:03,703 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:03,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:02:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:02:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:02:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:02:03,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:02:03,838 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:02:03,842 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:02:04,015 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-10-31 22:02:04,015 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:02:04,027 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:02:04,027 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:02:04,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:02:04 BoogieIcfgContainer [2024-10-31 22:02:04,028 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:02:04,030 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:02:04,030 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:02:04,034 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:02:04,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:02:02" (1/3) ... [2024-10-31 22:02:04,036 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a56cc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:02:04, skipping insertion in model container [2024-10-31 22:02:04,036 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:03" (2/3) ... [2024-10-31 22:02:04,037 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a56cc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:02:04, skipping insertion in model container [2024-10-31 22:02:04,037 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:02:04" (3/3) ... [2024-10-31 22:02:04,038 INFO L112 eAbstractionObserver]: Analyzing ICFG coral-benchmark20.c [2024-10-31 22:02:04,058 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:02:04,059 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:02:04,145 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:02:04,156 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;@f0bbb8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:02:04,157 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:02:04,164 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) [2024-10-31 22:02:04,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-31 22:02:04,174 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:02:04,175 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:02:04,176 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:02:04,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:04,185 INFO L85 PathProgramCache]: Analyzing trace with hash 889508713, now seen corresponding path program 1 times [2024-10-31 22:02:04,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:04,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743815816] [2024-10-31 22:02:04,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:04,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:04,359 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:02:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:04,408 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:02:04,410 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:02:04,412 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:02:04,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:02:04,419 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-31 22:02:04,445 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:02:04,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:02:04 BoogieIcfgContainer [2024-10-31 22:02:04,449 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:02:04,452 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:02:04,452 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:02:04,452 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:02:04,453 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:02:04" (3/4) ... [2024-10-31 22:02:04,458 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:02:04,459 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:02:04,460 INFO L158 Benchmark]: Toolchain (without parser) took 1562.79ms. Allocated memory is still 148.9MB. Free memory was 112.2MB in the beginning and 89.9MB in the end (delta: 22.3MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-10-31 22:02:04,461 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 111.1MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:02:04,462 INFO L158 Benchmark]: CACSL2BoogieTranslator took 579.82ms. Allocated memory is still 148.9MB. Free memory was 111.6MB in the beginning and 118.6MB in the end (delta: -7.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-31 22:02:04,463 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.04ms. Allocated memory is still 148.9MB. Free memory was 118.6MB in the beginning and 117.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:02:04,463 INFO L158 Benchmark]: Boogie Preprocessor took 82.46ms. Allocated memory is still 148.9MB. Free memory was 117.0MB in the beginning and 115.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:02:04,464 INFO L158 Benchmark]: RCFGBuilder took 378.00ms. Allocated memory is still 148.9MB. Free memory was 115.1MB in the beginning and 105.2MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-31 22:02:04,465 INFO L158 Benchmark]: TraceAbstraction took 419.37ms. Allocated memory is still 148.9MB. Free memory was 104.6MB in the beginning and 90.6MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:02:04,465 INFO L158 Benchmark]: Witness Printer took 7.35ms. Allocated memory is still 148.9MB. Free memory was 90.6MB in the beginning and 89.9MB in the end (delta: 663.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:02:04,471 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 111.1MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 579.82ms. Allocated memory is still 148.9MB. Free memory was 111.6MB in the beginning and 118.6MB in the end (delta: -7.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.04ms. Allocated memory is still 148.9MB. Free memory was 118.6MB in the beginning and 117.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.46ms. Allocated memory is still 148.9MB. Free memory was 117.0MB in the beginning and 115.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 378.00ms. Allocated memory is still 148.9MB. Free memory was 115.1MB in the beginning and 105.2MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 419.37ms. Allocated memory is still 148.9MB. Free memory was 104.6MB in the beginning and 90.6MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 7.35ms. Allocated memory is still 148.9MB. Free memory was 90.6MB in the beginning and 89.9MB in the end (delta: 663.0kB). 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: 0.3s, 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-31 22:02:04,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU --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 0.2.5-dev-4fc63b2 [2024-10-31 22:02:07,062 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:02:07,169 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 22:02:07,176 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:02:07,177 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:02:07,215 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:02:07,215 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:02:07,216 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:02:07,217 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:02:07,217 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:02:07,217 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:02:07,218 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:02:07,219 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:02:07,223 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:02:07,224 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:02:07,224 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:02:07,224 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:02:07,225 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:02:07,225 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:02:07,225 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:02:07,226 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:02:07,228 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:02:07,229 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:02:07,229 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:02:07,230 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:02:07,230 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:02:07,230 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:02:07,230 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:02:07,231 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:02:07,231 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:02:07,232 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:02:07,232 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:02:07,232 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:02:07,232 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:02:07,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:02:07,233 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:02:07,233 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:02:07,234 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:02:07,234 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:02:07,234 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:02:07,235 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:02:07,237 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:02:07,237 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:02:07,237 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:02:07,238 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:02:07,238 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9dedb0728b3792362987c8abb931c76242b61fe495915d3d202e3235d1ac45be [2024-10-31 22:02:07,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:02:07,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:02:07,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:02:07,692 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:02:07,692 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:02:07,695 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c Unable to find full path for "g++" [2024-10-31 22:02:09,700 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:02:09,965 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:02:09,966 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c [2024-10-31 22:02:09,975 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU/data/642dfb206/6b16f5807509404ca4f9ac4c531ea903/FLAGd047310b7 [2024-10-31 22:02:10,283 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU/data/642dfb206/6b16f5807509404ca4f9ac4c531ea903 [2024-10-31 22:02:10,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:02:10,291 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:02:10,293 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:02:10,297 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:02:10,303 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:02:10,303 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:02:10" (1/1) ... [2024-10-31 22:02:10,304 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4be07361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:10, skipping insertion in model container [2024-10-31 22:02:10,305 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:02:10" (1/1) ... [2024-10-31 22:02:10,332 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:02:10,578 WARN L251 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_581f6865-3e3c-4690-8508-baa4f0a8c128/sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c[758,771] [2024-10-31 22:02:10,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:02:10,616 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:02:10,632 WARN L251 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_581f6865-3e3c-4690-8508-baa4f0a8c128/sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c[758,771] [2024-10-31 22:02:10,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:02:10,663 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:02:10,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:10 WrapperNode [2024-10-31 22:02:10,663 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:02:10,665 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:02:10,665 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:02:10,665 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:02:10,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:10" (1/1) ... [2024-10-31 22:02:10,685 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:10" (1/1) ... [2024-10-31 22:02:10,707 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2024-10-31 22:02:10,707 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:02:10,708 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:02:10,709 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:02:10,709 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:02:10,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:10" (1/1) ... [2024-10-31 22:02:10,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:10" (1/1) ... [2024-10-31 22:02:10,723 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:10" (1/1) ... [2024-10-31 22:02:10,739 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]. [2024-10-31 22:02:10,740 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:10" (1/1) ... [2024-10-31 22:02:10,741 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:10" (1/1) ... [2024-10-31 22:02:10,752 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:10" (1/1) ... [2024-10-31 22:02:10,754 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:10" (1/1) ... [2024-10-31 22:02:10,755 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:10" (1/1) ... [2024-10-31 22:02:10,760 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:10" (1/1) ... [2024-10-31 22:02:10,767 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:02:10,767 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:02:10,768 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:02:10,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:02:10,769 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:10" (1/1) ... [2024-10-31 22:02:10,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:02:10,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:10,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:10,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:02:10,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:02:10,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 22:02:10,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:02:10,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:02:10,979 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:02:10,985 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:02:11,178 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-10-31 22:02:11,178 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:02:11,195 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:02:11,196 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:02:11,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:02:11 BoogieIcfgContainer [2024-10-31 22:02:11,196 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:02:11,199 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:02:11,199 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:02:11,203 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:02:11,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:02:10" (1/3) ... [2024-10-31 22:02:11,205 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39c6d375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:02:11, skipping insertion in model container [2024-10-31 22:02:11,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:10" (2/3) ... [2024-10-31 22:02:11,206 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39c6d375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:02:11, skipping insertion in model container [2024-10-31 22:02:11,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:02:11" (3/3) ... [2024-10-31 22:02:11,208 INFO L112 eAbstractionObserver]: Analyzing ICFG coral-benchmark20.c [2024-10-31 22:02:11,230 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:02:11,231 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:02:11,308 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:02:11,317 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;@31736c24, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:02:11,318 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:02:11,324 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) [2024-10-31 22:02:11,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-31 22:02:11,333 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:02:11,334 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:02:11,335 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:02:11,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:11,341 INFO L85 PathProgramCache]: Analyzing trace with hash 889508713, now seen corresponding path program 1 times [2024-10-31 22:02:11,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:02:11,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1664556831] [2024-10-31 22:02:11,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:11,358 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 [2024-10-31 22:02:11,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:02:11,360 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:02:11,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:02:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:11,462 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:02:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:11,521 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-31 22:02:11,523 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:02:11,524 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:02:11,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-10-31 22:02:11,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:02:11,732 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-31 22:02:11,751 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:02:11,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:02:11 BoogieIcfgContainer [2024-10-31 22:02:11,754 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:02:11,755 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:02:11,755 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:02:11,755 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:02:11,756 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:02:11" (3/4) ... [2024-10-31 22:02:11,759 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:02:11,760 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:02:11,761 INFO L158 Benchmark]: Toolchain (without parser) took 1469.80ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 43.8MB in the end (delta: 16.7MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2024-10-31 22:02:11,762 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 59.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:02:11,763 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.12ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 47.4MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 22:02:11,763 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.59ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 45.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:02:11,764 INFO L158 Benchmark]: Boogie Preprocessor took 58.37ms. Allocated memory is still 83.9MB. Free memory was 45.8MB in the beginning and 44.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:02:11,765 INFO L158 Benchmark]: RCFGBuilder took 429.01ms. Allocated memory is still 83.9MB. Free memory was 44.0MB in the beginning and 57.7MB in the end (delta: -13.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-31 22:02:11,765 INFO L158 Benchmark]: TraceAbstraction took 554.98ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 44.1MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:02:11,766 INFO L158 Benchmark]: Witness Printer took 5.72ms. Allocated memory is still 83.9MB. Free memory was 44.1MB in the beginning and 43.8MB in the end (delta: 360.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:02:11,770 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 59.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 371.12ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 47.4MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.59ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 45.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.37ms. Allocated memory is still 83.9MB. Free memory was 45.8MB in the beginning and 44.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 429.01ms. Allocated memory is still 83.9MB. Free memory was 44.0MB in the beginning and 57.7MB in the end (delta: -13.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 554.98ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 44.1MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.72ms. Allocated memory is still 83.9MB. Free memory was 44.1MB in the beginning and 43.8MB in the end (delta: 360.6kB). 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: 0.5s, 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-31 22:02:11,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581f6865-3e3c-4690-8508-baa4f0a8c128/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample