./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd --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 3016d655e7755a562aebc586ed3f8f70991c78b3a3c61f341f323350496064ae --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:12:45,897 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:12:46,016 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 15:12:46,023 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:12:46,023 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:12:46,053 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:12:46,054 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:12:46,054 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:12:46,055 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:12:46,055 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:12:46,055 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:12:46,055 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:12:46,056 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:12:46,056 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:12:46,056 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:12:46,056 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:12:46,056 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:12:46,057 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:12:46,057 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:12:46,057 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:12:46,058 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:12:46,058 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:12:46,058 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:12:46,058 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:12:46,058 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:12:46,058 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:12:46,059 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:12:46,059 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:12:46,059 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:12:46,059 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:12:46,059 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:12:46,060 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:12:46,060 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:12:46,060 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:12:46,060 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:12:46,060 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:12:46,061 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:12:46,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:12:46,061 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:12:46,061 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:12:46,061 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:12:46,061 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:12:46,062 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_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd 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 -> 3016d655e7755a562aebc586ed3f8f70991c78b3a3c61f341f323350496064ae [2024-11-13 15:12:46,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:12:46,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:12:46,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:12:46,549 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:12:46,550 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:12:46,551 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c Unable to find full path for "g++" [2024-11-13 15:12:48,880 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:12:49,234 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:12:49,236 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c [2024-11-13 15:12:49,247 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd/data/51d92e126/87d7b04cf140433fa855f0e7c893acb7/FLAGe21ee8bc8 [2024-11-13 15:12:49,265 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd/data/51d92e126/87d7b04cf140433fa855f0e7c893acb7 [2024-11-13 15:12:49,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:12:49,270 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:12:49,272 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:12:49,272 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:12:49,278 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:12:49,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:12:49" (1/1) ... [2024-11-13 15:12:49,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5576a848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:49, skipping insertion in model container [2024-11-13 15:12:49,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:12:49" (1/1) ... [2024-11-13 15:12:49,297 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:12:49,524 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_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c[758,771] [2024-11-13 15:12:49,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:12:49,555 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:12:49,570 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_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c[758,771] [2024-11-13 15:12:49,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:12:49,596 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:12:49,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:49 WrapperNode [2024-11-13 15:12:49,598 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:12:49,601 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:12:49,601 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:12:49,601 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:12:49,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:49" (1/1) ... [2024-11-13 15:12:49,621 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:49" (1/1) ... [2024-11-13 15:12:49,646 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2024-11-13 15:12:49,649 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:12:49,650 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:12:49,651 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:12:49,651 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:12:49,664 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:49" (1/1) ... [2024-11-13 15:12:49,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:49" (1/1) ... [2024-11-13 15:12:49,665 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:49" (1/1) ... [2024-11-13 15:12:49,679 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 15:12:49,679 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:49" (1/1) ... [2024-11-13 15:12:49,679 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:49" (1/1) ... [2024-11-13 15:12:49,683 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:49" (1/1) ... [2024-11-13 15:12:49,685 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:49" (1/1) ... [2024-11-13 15:12:49,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:49" (1/1) ... [2024-11-13 15:12:49,687 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:49" (1/1) ... [2024-11-13 15:12:49,689 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:12:49,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:12:49,690 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:12:49,690 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:12:49,691 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:49" (1/1) ... [2024-11-13 15:12:49,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:12:49,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:12:49,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:12:49,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:12:49,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:12:49,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:12:49,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:12:49,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:12:49,836 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:12:49,839 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:12:50,009 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-13 15:12:50,009 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:12:50,021 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:12:50,021 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:12:50,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:12:50 BoogieIcfgContainer [2024-11-13 15:12:50,022 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:12:50,025 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:12:50,026 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:12:50,031 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:12:50,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:12:49" (1/3) ... [2024-11-13 15:12:50,033 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@369e1170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:12:50, skipping insertion in model container [2024-11-13 15:12:50,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:49" (2/3) ... [2024-11-13 15:12:50,034 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@369e1170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:12:50, skipping insertion in model container [2024-11-13 15:12:50,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:12:50" (3/3) ... [2024-11-13 15:12:50,036 INFO L112 eAbstractionObserver]: Analyzing ICFG coral-benchmark02.c [2024-11-13 15:12:50,055 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:12:50,059 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG coral-benchmark02.c that has 1 procedures, 11 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-13 15:12:50,139 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:12:50,157 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;@5490176, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:12:50,158 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:12:50,164 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) [2024-11-13 15:12:50,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 15:12:50,171 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:50,172 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-13 15:12:50,172 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:12:50,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:50,180 INFO L85 PathProgramCache]: Analyzing trace with hash 889508713, now seen corresponding path program 1 times [2024-11-13 15:12:50,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:12:50,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433192999] [2024-11-13 15:12:50,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:50,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:12:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:12:50,323 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:12:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:12:50,370 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:12:50,372 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:12:50,374 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 15:12:50,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:12:50,382 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 15:12:50,413 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:12:50,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:12:50 BoogieIcfgContainer [2024-11-13 15:12:50,420 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:12:50,422 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:12:50,422 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:12:50,423 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:12:50,423 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:12:50" (3/4) ... [2024-11-13 15:12:50,427 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 15:12:50,429 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:12:50,434 INFO L158 Benchmark]: Toolchain (without parser) took 1160.59ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 83.1MB in the end (delta: 35.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 15:12:50,434 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 142.6MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:12:50,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.09ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 108.1MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:12:50,435 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.78ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 106.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:12:50,435 INFO L158 Benchmark]: Boogie Preprocessor took 38.48ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 105.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:12:50,437 INFO L158 Benchmark]: RCFGBuilder took 332.44ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 96.0MB in the end (delta: 9.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:12:50,438 INFO L158 Benchmark]: TraceAbstraction took 394.95ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 83.3MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:12:50,438 INFO L158 Benchmark]: Witness Printer took 7.49ms. Allocated memory is still 142.6MB. Free memory was 83.3MB in the beginning and 83.1MB in the end (delta: 265.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:12:50,444 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 142.6MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.09ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 108.1MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.78ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 106.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.48ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 105.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 332.44ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 96.0MB in the end (delta: 9.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 394.95ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 83.3MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 7.49ms. Allocated memory is still 142.6MB. Free memory was 83.3MB in the beginning and 83.1MB in the end (delta: 265.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 22]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 29. Possible FailurePath: [L36] double x, y; [L37] x = __VERIFIER_nondet_double() [L38] y = __VERIFIER_nondet_double() [L39] CALL, EXPR benchmark02(x, y) [L29] COND TRUE sin(x) - cos(y) < 0.00001 [L30] return 1; VAL [\result=1] [L39] RET, EXPR benchmark02(x, y) [L39] CALL __VERIFIER_assert(!benchmark02(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 [2024-11-13 15:12:50,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd/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_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd --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 3016d655e7755a562aebc586ed3f8f70991c78b3a3c61f341f323350496064ae --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:12:53,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:12:53,851 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 15:12:53,870 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:12:53,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:12:53,920 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:12:53,921 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:12:53,922 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:12:53,923 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:12:53,924 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:12:53,924 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:12:53,924 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:12:53,925 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:12:53,925 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:12:53,925 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:12:53,926 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:12:53,926 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:12:53,926 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:12:53,926 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:12:53,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:12:53,926 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:12:53,927 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:12:53,927 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:12:53,927 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 15:12:53,927 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 15:12:53,927 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:12:53,927 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 15:12:53,928 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:12:53,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:12:53,928 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:12:53,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:12:53,928 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:12:53,928 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:12:53,929 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:12:53,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:12:53,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:12:53,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:12:53,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:12:53,929 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 15:12:53,930 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 15:12:53,930 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:12:53,930 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:12:53,930 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:12:53,930 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:12:53,930 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_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd 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 -> 3016d655e7755a562aebc586ed3f8f70991c78b3a3c61f341f323350496064ae [2024-11-13 15:12:54,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:12:54,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:12:54,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:12:54,293 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:12:54,294 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:12:54,295 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c Unable to find full path for "g++" [2024-11-13 15:12:56,716 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:12:56,977 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:12:56,978 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c [2024-11-13 15:12:56,990 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd/data/bc0853428/cc3e0b8f71eb4cd1afd4c71e062aa38b/FLAG3356ff245 [2024-11-13 15:12:57,034 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd/data/bc0853428/cc3e0b8f71eb4cd1afd4c71e062aa38b [2024-11-13 15:12:57,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:12:57,044 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:12:57,053 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:12:57,053 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:12:57,064 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:12:57,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:12:57" (1/1) ... [2024-11-13 15:12:57,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30cd89a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:57, skipping insertion in model container [2024-11-13 15:12:57,073 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:12:57" (1/1) ... [2024-11-13 15:12:57,092 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:12:57,316 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_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c[758,771] [2024-11-13 15:12:57,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:12:57,354 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:12:57,368 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_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c[758,771] [2024-11-13 15:12:57,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:12:57,402 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:12:57,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:57 WrapperNode [2024-11-13 15:12:57,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:12:57,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:12:57,405 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:12:57,406 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:12:57,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:57" (1/1) ... [2024-11-13 15:12:57,430 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:57" (1/1) ... [2024-11-13 15:12:57,453 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2024-11-13 15:12:57,453 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:12:57,455 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:12:57,455 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:12:57,455 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:12:57,465 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:57" (1/1) ... [2024-11-13 15:12:57,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:57" (1/1) ... [2024-11-13 15:12:57,469 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:57" (1/1) ... [2024-11-13 15:12:57,487 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 15:12:57,487 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:57" (1/1) ... [2024-11-13 15:12:57,487 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:57" (1/1) ... [2024-11-13 15:12:57,497 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:57" (1/1) ... [2024-11-13 15:12:57,502 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:57" (1/1) ... [2024-11-13 15:12:57,506 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:57" (1/1) ... [2024-11-13 15:12:57,511 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:57" (1/1) ... [2024-11-13 15:12:57,513 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:12:57,514 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:12:57,514 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:12:57,514 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:12:57,519 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:57" (1/1) ... [2024-11-13 15:12:57,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:12:57,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:12:57,568 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:12:57,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:12:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:12:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 15:12:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:12:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:12:57,685 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:12:57,688 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:12:58,003 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-13 15:12:58,003 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:12:58,017 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:12:58,018 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:12:58,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:12:58 BoogieIcfgContainer [2024-11-13 15:12:58,018 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:12:58,023 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:12:58,023 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:12:58,037 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:12:58,037 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:12:57" (1/3) ... [2024-11-13 15:12:58,038 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6643d301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:12:58, skipping insertion in model container [2024-11-13 15:12:58,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:12:57" (2/3) ... [2024-11-13 15:12:58,039 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6643d301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:12:58, skipping insertion in model container [2024-11-13 15:12:58,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:12:58" (3/3) ... [2024-11-13 15:12:58,040 INFO L112 eAbstractionObserver]: Analyzing ICFG coral-benchmark02.c [2024-11-13 15:12:58,065 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:12:58,067 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG coral-benchmark02.c that has 1 procedures, 11 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-13 15:12:58,144 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:12:58,165 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;@210da289, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:12:58,167 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:12:58,172 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:12:58,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 15:12:58,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:12:58,184 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-13 15:12:58,185 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:12:58,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:12:58,193 INFO L85 PathProgramCache]: Analyzing trace with hash 889508713, now seen corresponding path program 1 times [2024-11-13 15:12:58,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:12:58,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2017330621] [2024-11-13 15:12:58,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:12:58,209 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:12:58,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:12:58,213 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 15:12:58,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-13 15:12:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:12:58,427 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:12:58,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:12:58,563 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-13 15:12:58,565 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:12:58,567 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 15:12:58,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-13 15:12:58,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:12:58,775 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 15:12:58,791 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:12:58,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:12:58 BoogieIcfgContainer [2024-11-13 15:12:58,794 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:12:58,795 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:12:58,795 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:12:58,795 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:12:58,797 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:12:58" (3/4) ... [2024-11-13 15:12:58,799 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 15:12:58,800 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:12:58,802 INFO L158 Benchmark]: Toolchain (without parser) took 1757.92ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 55.7MB in the end (delta: 36.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 15:12:58,803 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:12:58,803 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.39ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 81.0MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:12:58,804 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.53ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:12:58,804 INFO L158 Benchmark]: Boogie Preprocessor took 58.55ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 78.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:12:58,805 INFO L158 Benchmark]: RCFGBuilder took 504.35ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 68.8MB in the end (delta: 9.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:12:58,806 INFO L158 Benchmark]: TraceAbstraction took 771.67ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 55.9MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:12:58,806 INFO L158 Benchmark]: Witness Printer took 5.49ms. Allocated memory is still 117.4MB. Free memory was 55.9MB in the beginning and 55.7MB in the end (delta: 187.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:12:58,809 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.39ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 81.0MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.53ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 58.55ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 78.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 504.35ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 68.8MB in the end (delta: 9.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 771.67ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 55.9MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.49ms. Allocated memory is still 117.4MB. Free memory was 55.9MB in the beginning and 55.7MB in the end (delta: 187.9kB). 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 29. Possible FailurePath: [L36] double x, y; [L37] x = __VERIFIER_nondet_double() [L38] y = __VERIFIER_nondet_double() [L39] CALL, EXPR benchmark02(x, y) [L29] COND TRUE sin(x) - cos(y) < 0.00001 [L30] return 1; VAL [\result=1] [L39] RET, EXPR benchmark02(x, y) [L39] CALL __VERIFIER_assert(!benchmark02(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: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 15:12:58,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ee8cf01-c1ff-4652-a66f-176ed2ad13b1/bin/uautomizer-verify-qhAvR1uOyd/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