./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_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3016d655e7755a562aebc586ed3f8f70991c78b3a3c61f341f323350496064ae --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:38:52,043 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:38:52,121 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:38:52,127 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:38:52,127 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:38:52,153 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:38:52,154 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:38:52,155 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:38:52,155 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:38:52,155 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:38:52,156 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:38:52,156 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:38:52,156 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:38:52,156 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:38:52,158 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:38:52,158 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:38:52,158 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:38:52,158 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:38:52,158 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:38:52,158 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:38:52,159 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:38:52,159 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:38:52,159 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:38:52,159 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:38:52,159 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:38:52,160 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:38:52,160 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:38:52,160 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:38:52,160 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:38:52,160 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:38:52,160 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:38:52,160 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:38:52,160 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:38:52,160 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:38:52,161 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:38:52,162 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:38:52,162 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:38:52,162 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:38:52,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:38:52,162 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:38:52,162 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:38:52,162 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:38:52,163 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:38:52,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:38:52,163 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:38:52,163 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:38:52,163 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:38:52,163 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3016d655e7755a562aebc586ed3f8f70991c78b3a3c61f341f323350496064ae [2024-11-14 04:38:52,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:38:52,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:38:52,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:38:52,516 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:38:52,516 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:38:52,517 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c Unable to find full path for "g++" [2024-11-14 04:38:54,379 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:38:54,638 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:38:54,639 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c [2024-11-14 04:38:54,647 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E/data/8123c707c/706f08289412466e84e7e560ad43e6ce/FLAG52e5e9ce7 [2024-11-14 04:38:54,662 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E/data/8123c707c/706f08289412466e84e7e560ad43e6ce [2024-11-14 04:38:54,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:38:54,666 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:38:54,668 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:38:54,668 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:38:54,673 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:38:54,673 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:38:54" (1/1) ... [2024-11-14 04:38:54,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18fe7791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:54, skipping insertion in model container [2024-11-14 04:38:54,675 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:38:54" (1/1) ... [2024-11-14 04:38:54,689 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:38:54,832 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c[758,771] [2024-11-14 04:38:54,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:38:54,855 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:38:54,866 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_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c[758,771] [2024-11-14 04:38:54,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:38:54,884 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:38:54,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:54 WrapperNode [2024-11-14 04:38:54,886 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:38:54,889 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:38:54,889 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:38:54,889 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:38:54,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:54" (1/1) ... [2024-11-14 04:38:54,905 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:54" (1/1) ... [2024-11-14 04:38:54,927 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2024-11-14 04:38:54,929 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:38:54,929 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:38:54,930 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:38:54,930 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:38:54,937 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:54" (1/1) ... [2024-11-14 04:38:54,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:54" (1/1) ... [2024-11-14 04:38:54,938 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:54" (1/1) ... [2024-11-14 04:38:54,938 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:54" (1/1) ... [2024-11-14 04:38:54,942 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:54" (1/1) ... [2024-11-14 04:38:54,944 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:54" (1/1) ... [2024-11-14 04:38:54,949 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:54" (1/1) ... [2024-11-14 04:38:54,950 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:54" (1/1) ... [2024-11-14 04:38:54,951 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:38:54,952 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:38:54,952 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:38:54,952 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:38:54,953 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:54" (1/1) ... [2024-11-14 04:38:54,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:38:54,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:38:54,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:38:54,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:38:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:38:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:38:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:38:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:38:55,086 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:38:55,088 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:38:55,184 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-14 04:38:55,184 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:38:55,260 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:38:55,260 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 04:38:55,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:38:55 BoogieIcfgContainer [2024-11-14 04:38:55,261 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:38:55,265 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:38:55,266 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:38:55,270 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:38:55,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:38:54" (1/3) ... [2024-11-14 04:38:55,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3baf08e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:38:55, skipping insertion in model container [2024-11-14 04:38:55,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:54" (2/3) ... [2024-11-14 04:38:55,273 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3baf08e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:38:55, skipping insertion in model container [2024-11-14 04:38:55,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:38:55" (3/3) ... [2024-11-14 04:38:55,275 INFO L112 eAbstractionObserver]: Analyzing ICFG coral-benchmark02.c [2024-11-14 04:38:55,288 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:38:55,290 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG coral-benchmark02.c that has 1 procedures, 6 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-14 04:38:55,340 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:38:55,352 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@22d9023d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:38:55,352 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:38:55,356 INFO L276 IsEmpty]: Start isEmpty. Operand has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:38:55,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-14 04:38:55,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:38:55,362 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-14 04:38:55,363 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:38:55,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:38:55,368 INFO L85 PathProgramCache]: Analyzing trace with hash 58046, now seen corresponding path program 1 times [2024-11-14 04:38:55,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:38:55,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310463638] [2024-11-14 04:38:55,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:38:55,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:38:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:38:55,483 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:38:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:38:55,518 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:38:55,520 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:38:55,522 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:38:55,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:38:55,528 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:38:55,550 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:38:55,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:38:55 BoogieIcfgContainer [2024-11-14 04:38:55,555 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:38:55,555 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:38:55,555 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:38:55,556 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:38:55,559 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:38:55" (3/4) ... [2024-11-14 04:38:55,563 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:38:55,564 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:38:55,565 INFO L158 Benchmark]: Toolchain (without parser) took 899.06ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 82.0MB in the end (delta: 37.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-14 04:38:55,567 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:38:55,568 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.41ms. 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. [2024-11-14 04:38:55,568 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.30ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 107.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:38:55,569 INFO L158 Benchmark]: Boogie Preprocessor took 21.99ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 106.4MB in the end (delta: 691.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:38:55,569 INFO L158 Benchmark]: RCFGBuilder took 308.99ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 94.7MB in the end (delta: 11.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:38:55,572 INFO L158 Benchmark]: TraceAbstraction took 289.44ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 82.3MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:38:55,572 INFO L158 Benchmark]: Witness Printer took 8.49ms. Allocated memory is still 142.6MB. Free memory was 82.3MB in the beginning and 82.0MB in the end (delta: 346.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:38:55,574 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 220.41ms. 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 40.30ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 107.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.99ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 106.4MB in the end (delta: 691.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 308.99ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 94.7MB in the end (delta: 11.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 289.44ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 82.3MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 8.49ms. Allocated memory is still 142.6MB. Free memory was 82.3MB in the beginning and 82.0MB in the end (delta: 346.0kB). 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 cos at line 29, 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; [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, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 04:38:55,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3016d655e7755a562aebc586ed3f8f70991c78b3a3c61f341f323350496064ae --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:38:58,309 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:38:58,412 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 04:38:58,417 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:38:58,418 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:38:58,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:38:58,448 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:38:58,449 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:38:58,449 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:38:58,450 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:38:58,451 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:38:58,451 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:38:58,451 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:38:58,451 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:38:58,451 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:38:58,451 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:38:58,452 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:38:58,453 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:38:58,453 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:38:58,453 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:38:58,453 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:38:58,453 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:38:58,453 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:38:58,453 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:38:58,453 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:38:58,454 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:38:58,454 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:38:58,454 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:38:58,454 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:38:58,454 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:38:58,454 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:38:58,454 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:38:58,455 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:38:58,455 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:38:58,455 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:38:58,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:38:58,456 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:38:58,456 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:38:58,456 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:38:58,456 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:38:58,456 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:38:58,457 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:38:58,457 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:38:58,457 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3016d655e7755a562aebc586ed3f8f70991c78b3a3c61f341f323350496064ae [2024-11-14 04:38:58,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:38:58,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:38:58,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:38:58,829 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:38:58,830 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:38:58,831 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c Unable to find full path for "g++" [2024-11-14 04:39:00,710 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:39:01,004 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:39:01,008 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c [2024-11-14 04:39:01,028 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E/data/04d781057/212203eebfa74b1a9abd624e641fdd3c/FLAG790a4df20 [2024-11-14 04:39:01,078 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E/data/04d781057/212203eebfa74b1a9abd624e641fdd3c [2024-11-14 04:39:01,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:39:01,084 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:39:01,086 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:39:01,087 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:39:01,094 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:39:01,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:39:01" (1/1) ... [2024-11-14 04:39:01,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cbdc068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:01, skipping insertion in model container [2024-11-14 04:39:01,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:39:01" (1/1) ... [2024-11-14 04:39:01,116 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:39:01,258 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_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c[758,771] [2024-11-14 04:39:01,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:39:01,284 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:39:01,295 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_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c[758,771] [2024-11-14 04:39:01,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:39:01,315 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:39:01,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:01 WrapperNode [2024-11-14 04:39:01,315 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:39:01,317 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:39:01,317 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:39:01,317 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:39:01,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:01" (1/1) ... [2024-11-14 04:39:01,332 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:01" (1/1) ... [2024-11-14 04:39:01,346 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2024-11-14 04:39:01,346 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:39:01,347 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:39:01,347 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:39:01,347 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:39:01,353 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:01" (1/1) ... [2024-11-14 04:39:01,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:01" (1/1) ... [2024-11-14 04:39:01,355 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:01" (1/1) ... [2024-11-14 04:39:01,356 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:01" (1/1) ... [2024-11-14 04:39:01,362 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:01" (1/1) ... [2024-11-14 04:39:01,363 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:01" (1/1) ... [2024-11-14 04:39:01,365 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:01" (1/1) ... [2024-11-14 04:39:01,365 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:01" (1/1) ... [2024-11-14 04:39:01,367 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:39:01,368 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:39:01,368 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:39:01,368 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:39:01,370 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:01" (1/1) ... [2024-11-14 04:39:01,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:39:01,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:39:01,410 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:39:01,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:39:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:39:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:39:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:39:01,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:39:01,511 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:39:01,513 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:39:01,701 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-14 04:39:01,701 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:39:01,710 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:39:01,711 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 04:39:01,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:39:01 BoogieIcfgContainer [2024-11-14 04:39:01,711 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:39:01,714 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:39:01,715 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:39:01,720 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:39:01,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:39:01" (1/3) ... [2024-11-14 04:39:01,721 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6609364c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:39:01, skipping insertion in model container [2024-11-14 04:39:01,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:01" (2/3) ... [2024-11-14 04:39:01,721 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6609364c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:39:01, skipping insertion in model container [2024-11-14 04:39:01,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:39:01" (3/3) ... [2024-11-14 04:39:01,723 INFO L112 eAbstractionObserver]: Analyzing ICFG coral-benchmark02.c [2024-11-14 04:39:01,739 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:39:01,741 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. [2024-11-14 04:39:01,807 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:39:01,819 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5165a7d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:39:01,819 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:39:01,823 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) [2024-11-14 04:39:01,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-14 04:39:01,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:39:01,830 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-14 04:39:01,831 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:39:01,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:39:01,836 INFO L85 PathProgramCache]: Analyzing trace with hash 889508713, now seen corresponding path program 1 times [2024-11-14 04:39:01,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:39:01,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1242342787] [2024-11-14 04:39:01,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:39:01,850 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 [2024-11-14 04:39:01,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:39:01,852 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 04:39:01,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:39:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:39:02,056 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:39:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:39:02,198 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-14 04:39:02,200 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:39:02,201 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:39:02,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:39:02,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:39:02,415 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:39:02,437 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:39:02,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:39:02 BoogieIcfgContainer [2024-11-14 04:39:02,441 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:39:02,443 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:39:02,443 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:39:02,443 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:39:02,444 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:39:01" (3/4) ... [2024-11-14 04:39:02,447 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:39:02,447 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:39:02,449 INFO L158 Benchmark]: Toolchain (without parser) took 1364.55ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 82.7MB in the end (delta: 35.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-14 04:39:02,449 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:39:02,450 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.51ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 107.1MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:39:02,451 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.81ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 105.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:39:02,452 INFO L158 Benchmark]: Boogie Preprocessor took 20.75ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 105.1MB in the end (delta: 785.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:39:02,454 INFO L158 Benchmark]: RCFGBuilder took 343.02ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 95.2MB in the end (delta: 9.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:39:02,455 INFO L158 Benchmark]: TraceAbstraction took 726.92ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 82.9MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:39:02,455 INFO L158 Benchmark]: Witness Printer took 5.05ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 82.7MB in the end (delta: 193.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:39:02,458 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 229.51ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 107.1MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.81ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 105.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.75ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 105.1MB in the end (delta: 785.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 343.02ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 95.2MB in the end (delta: 9.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 726.92ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 82.9MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.05ms. Allocated memory is still 142.6MB. Free memory was 82.9MB in the beginning and 82.7MB in the end (delta: 193.0kB). 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 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: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 04:39:02,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f412517a-1000-4d1e-9ded-4a5abbdd3d7a/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample