./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1210.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1210.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 ec4125207afaf1b514f6960540fbcd04b5d06d11b290a09d0632548b03e12b1f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:54:59,359 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:54:59,521 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:54:59,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:54:59,540 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:54:59,594 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:54:59,596 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:54:59,597 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:54:59,598 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:54:59,604 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:54:59,606 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:54:59,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:54:59,607 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:54:59,610 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:54:59,610 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:54:59,611 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:54:59,611 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:54:59,612 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:54:59,612 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:54:59,613 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:54:59,613 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:54:59,614 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:54:59,614 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:54:59,615 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:54:59,615 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:54:59,616 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:54:59,617 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:54:59,620 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:54:59,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:54:59,621 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:54:59,623 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:54:59,623 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:54:59,623 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:54:59,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:54:59,624 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:54:59,624 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:54:59,624 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:54:59,625 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:54:59,625 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:54:59,625 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec4125207afaf1b514f6960540fbcd04b5d06d11b290a09d0632548b03e12b1f [2023-11-06 22:54:59,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:55:00,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:55:00,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:55:00,018 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:55:00,019 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:55:00,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/float-newlib/double_req_bl_1210.c [2023-11-06 22:55:04,042 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:55:04,434 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:55:04,434 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/sv-benchmarks/c/float-newlib/double_req_bl_1210.c [2023-11-06 22:55:04,445 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/data/8637a7712/80f77e1e7958490aad5ea19692846e9c/FLAG0641ee2eb [2023-11-06 22:55:04,464 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/data/8637a7712/80f77e1e7958490aad5ea19692846e9c [2023-11-06 22:55:04,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:55:04,469 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:55:04,471 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:55:04,471 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:55:04,478 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:55:04,479 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:55:04" (1/1) ... [2023-11-06 22:55:04,480 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3727b2f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:04, skipping insertion in model container [2023-11-06 22:55:04,481 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:55:04" (1/1) ... [2023-11-06 22:55:04,516 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:55:04,748 WARN L240 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_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/sv-benchmarks/c/float-newlib/double_req_bl_1210.c[3091,3104] [2023-11-06 22:55:04,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:55:04,782 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:55:04,830 WARN L240 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_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/sv-benchmarks/c/float-newlib/double_req_bl_1210.c[3091,3104] [2023-11-06 22:55:04,833 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:55:04,854 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:55:04,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:04 WrapperNode [2023-11-06 22:55:04,854 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:55:04,856 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:55:04,856 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:55:04,856 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:55:04,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:04" (1/1) ... [2023-11-06 22:55:04,880 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:04" (1/1) ... [2023-11-06 22:55:04,929 INFO L138 Inliner]: procedures = 16, calls = 70, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 258 [2023-11-06 22:55:04,930 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:55:04,931 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:55:04,938 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:55:04,939 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:55:04,948 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:04" (1/1) ... [2023-11-06 22:55:04,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:04" (1/1) ... [2023-11-06 22:55:04,955 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:04" (1/1) ... [2023-11-06 22:55:04,956 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:04" (1/1) ... [2023-11-06 22:55:04,971 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:04" (1/1) ... [2023-11-06 22:55:04,979 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:04" (1/1) ... [2023-11-06 22:55:04,982 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:04" (1/1) ... [2023-11-06 22:55:04,985 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:04" (1/1) ... [2023-11-06 22:55:04,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:55:04,992 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:55:04,993 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:55:04,993 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:55:04,994 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:04" (1/1) ... [2023-11-06 22:55:05,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:55:05,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:55:05,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:55:05,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:55:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2023-11-06 22:55:05,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2023-11-06 22:55:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:55:05,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:55:05,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:55:05,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-06 22:55:05,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:55:05,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-06 22:55:05,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:55:05,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:55:05,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:55:05,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:55:05,316 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:55:05,319 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:55:05,916 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:55:05,924 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:55:05,925 INFO L302 CfgBuilder]: Removed 20 assume(true) statements. [2023-11-06 22:55:05,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:55:05 BoogieIcfgContainer [2023-11-06 22:55:05,928 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:55:05,931 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:55:05,932 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:55:05,936 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:55:05,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:55:04" (1/3) ... [2023-11-06 22:55:05,938 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@246b237f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:55:05, skipping insertion in model container [2023-11-06 22:55:05,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:04" (2/3) ... [2023-11-06 22:55:05,939 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@246b237f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:55:05, skipping insertion in model container [2023-11-06 22:55:05,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:55:05" (3/3) ... [2023-11-06 22:55:05,941 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1210.c [2023-11-06 22:55:05,969 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:55:05,969 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:55:06,042 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:55:06,051 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@64889864, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:55:06,051 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:55:06,057 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 60 states have (on average 1.6666666666666667) internal successors, (100), 61 states have internal predecessors, (100), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:55:06,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-06 22:55:06,070 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:06,071 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:55:06,071 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:55:06,078 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:06,079 INFO L85 PathProgramCache]: Analyzing trace with hash -769928480, now seen corresponding path program 1 times [2023-11-06 22:55:06,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:06,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190644850] [2023-11-06 22:55:06,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:06,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:06,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-06 22:55:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:06,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:55:06,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:06,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190644850] [2023-11-06 22:55:06,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190644850] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:55:06,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:55:06,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:55:06,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757574408] [2023-11-06 22:55:06,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:55:06,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:55:06,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:06,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:55:06,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:55:06,499 INFO L87 Difference]: Start difference. First operand has 65 states, 60 states have (on average 1.6666666666666667) internal successors, (100), 61 states have internal predecessors, (100), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:55:06,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:55:06,539 INFO L93 Difference]: Finished difference Result 128 states and 206 transitions. [2023-11-06 22:55:06,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:55:06,542 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-11-06 22:55:06,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:55:06,551 INFO L225 Difference]: With dead ends: 128 [2023-11-06 22:55:06,552 INFO L226 Difference]: Without dead ends: 62 [2023-11-06 22:55:06,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:55:06,561 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:55:06,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:55:06,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-11-06 22:55:06,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2023-11-06 22:55:06,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 58 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:55:06,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 80 transitions. [2023-11-06 22:55:06,635 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 80 transitions. Word has length 17 [2023-11-06 22:55:06,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:55:06,637 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 80 transitions. [2023-11-06 22:55:06,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:55:06,638 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 80 transitions. [2023-11-06 22:55:06,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-06 22:55:06,643 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:06,643 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:55:06,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:55:06,644 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:55:06,647 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:06,648 INFO L85 PathProgramCache]: Analyzing trace with hash 407107639, now seen corresponding path program 1 times [2023-11-06 22:55:06,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:06,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158785503] [2023-11-06 22:55:06,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:06,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:06,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:55:06,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:06,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:55:06,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:06,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158785503] [2023-11-06 22:55:06,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158785503] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:55:06,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:55:06,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:55:06,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827381984] [2023-11-06 22:55:06,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:55:06,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:55:06,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:06,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:55:06,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:55:06,936 INFO L87 Difference]: Start difference. First operand 62 states and 80 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:55:06,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:55:06,962 INFO L93 Difference]: Finished difference Result 65 states and 82 transitions. [2023-11-06 22:55:06,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:55:06,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2023-11-06 22:55:06,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:55:06,965 INFO L225 Difference]: With dead ends: 65 [2023-11-06 22:55:06,965 INFO L226 Difference]: Without dead ends: 62 [2023-11-06 22:55:06,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:55:06,968 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:55:06,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:55:06,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-11-06 22:55:06,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2023-11-06 22:55:06,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 58 states have (on average 1.293103448275862) internal successors, (75), 58 states have internal predecessors, (75), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:55:06,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 79 transitions. [2023-11-06 22:55:06,990 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 79 transitions. Word has length 19 [2023-11-06 22:55:06,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:55:06,992 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 79 transitions. [2023-11-06 22:55:06,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:55:06,993 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2023-11-06 22:55:06,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-06 22:55:06,995 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:06,995 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:55:06,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:55:06,996 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:55:06,996 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:06,997 INFO L85 PathProgramCache]: Analyzing trace with hash 29581048, now seen corresponding path program 1 times [2023-11-06 22:55:06,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:06,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758700612] [2023-11-06 22:55:06,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:06,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:55:07,087 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:55:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:55:07,175 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:55:07,176 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:55:07,177 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:55:07,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:55:07,184 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-06 22:55:07,189 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:55:07,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:55:07 BoogieIcfgContainer [2023-11-06 22:55:07,242 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:55:07,243 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:55:07,247 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:55:07,247 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:55:07,248 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:55:05" (3/4) ... [2023-11-06 22:55:07,250 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:55:07,254 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:55:07,256 INFO L158 Benchmark]: Toolchain (without parser) took 2786.40ms. Allocated memory is still 165.7MB. Free memory was 135.7MB in the beginning and 101.3MB in the end (delta: 34.4MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2023-11-06 22:55:07,256 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 121.6MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:55:07,257 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.23ms. Allocated memory is still 165.7MB. Free memory was 135.3MB in the beginning and 123.2MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:55:07,258 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.67ms. Allocated memory is still 165.7MB. Free memory was 123.2MB in the beginning and 120.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:55:07,259 INFO L158 Benchmark]: Boogie Preprocessor took 60.02ms. Allocated memory is still 165.7MB. Free memory was 120.9MB in the beginning and 118.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:55:07,260 INFO L158 Benchmark]: RCFGBuilder took 935.90ms. Allocated memory is still 165.7MB. Free memory was 118.6MB in the beginning and 96.0MB in the end (delta: 22.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-06 22:55:07,260 INFO L158 Benchmark]: TraceAbstraction took 1311.33ms. Allocated memory is still 165.7MB. Free memory was 95.5MB in the beginning and 102.0MB in the end (delta: -6.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:55:07,261 INFO L158 Benchmark]: Witness Printer took 11.19ms. Allocated memory is still 165.7MB. Free memory was 102.0MB in the beginning and 101.3MB in the end (delta: 673.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:55:07,265 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 121.6MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 384.23ms. Allocated memory is still 165.7MB. Free memory was 135.3MB in the beginning and 123.2MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.67ms. Allocated memory is still 165.7MB. Free memory was 123.2MB in the beginning and 120.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.02ms. Allocated memory is still 165.7MB. Free memory was 120.9MB in the beginning and 118.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 935.90ms. Allocated memory is still 165.7MB. Free memory was 118.6MB in the beginning and 96.0MB in the end (delta: 22.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1311.33ms. Allocated memory is still 165.7MB. Free memory was 95.5MB in the beginning and 102.0MB in the end (delta: -6.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 11.19ms. Allocated memory is still 165.7MB. Free memory was 102.0MB in the beginning and 101.3MB in the end (delta: 673.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 124]: 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 17, overapproximation of someBinaryArithmeticDOUBLEoperation at line 118. Possible FailurePath: [L19] static const double one_modf = 1.0; VAL [one_modf=1] [L118] double x = 0.0 / 0.0; [L119] double iptr; [L120] CALL, EXPR modf_double(x, &iptr) [L22] __int32_t i0, i1, j0; [L23] __uint32_t i; VAL [\old(x)=4294967313, iptr={6:0}, iptr={6:0}, one_modf=1, x=4294967313] [L25] ieee_double_shape_type ew_u; [L26] EXPR ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] EXPR (i0) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] EXPR (i1) = ew_u.parts.lsw [L24-L29] { ieee_double_shape_type ew_u; ew_u.value = (x); (i0) = ew_u.parts.msw; (i1) = ew_u.parts.lsw; } VAL [\old(x)=4294967313, i0=-2147483648, i1=-1, iptr={6:0}, iptr={6:0}, one_modf=1, x=4294967313] [L30] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=4294967313, i0=-2147483648, i1=-1, iptr={6:0}, iptr={6:0}, j0=-1023, one_modf=1, x=4294967313] [L31] COND TRUE j0 < 20 VAL [\old(x)=4294967313, i0=-2147483648, i1=-1, iptr={6:0}, iptr={6:0}, j0=-1023, one_modf=1, x=4294967313] [L32] COND TRUE j0 < 0 VAL [\old(x)=4294967313, i0=-2147483648, i1=-1, iptr={6:0}, iptr={6:0}, j0=-1023, one_modf=1, x=4294967313] [L34] ieee_double_shape_type iw_u; [L35] EXPR iw_u.parts.msw = (i0 & 0x80000000) [L36] EXPR iw_u.parts.lsw = (0) [L37] EXPR iw_u.value [L37] EXPR (*iptr) = iw_u.value [L33-L38] { ieee_double_shape_type iw_u; iw_u.parts.msw = (i0 & 0x80000000); iw_u.parts.lsw = (0); (*iptr) = iw_u.value; } VAL [\old(x)=4294967313, i0=-2147483648, i1=-1, iptr={6:0}, iptr={6:0}, j0=-1023, one_modf=1, x=4294967313] [L39] return x; VAL [\old(x)=4294967313, \result=4294967313, i0=-2147483648, i1=-1, iptr={6:0}, iptr={6:0}, j0=-1023, one_modf=1, x=4294967313] [L120] RET, EXPR modf_double(x, &iptr) [L120] double res = modf_double(x, &iptr); [L123] EXPR \read(iptr) VAL [\read(iptr)=4294967311, iptr={6:0}, one_modf=1, res=4294967313, x=4294967313] [L123] CALL, EXPR isnan_double(iptr) VAL [\old(x)=4294967311, one_modf=1] [L17] return x != x; VAL [\old(x)=4294967311, \result=1, one_modf=1, x=4294967311] [L123] RET, EXPR isnan_double(iptr) VAL [\read(iptr)=4294967311, iptr={6:0}, isnan_double(iptr)=1, one_modf=1, res=4294967313, x=4294967313] [L123] isnan_double(iptr) && !isnan_double(res) VAL [\read(iptr)=4294967311, iptr={6:0}, isnan_double(iptr) && !isnan_double(res)=1, isnan_double(iptr)=1, one_modf=1, res=4294967313, x=4294967313] [L123] CALL, EXPR isnan_double(res) VAL [\old(x)=4294967313, one_modf=1] [L17] return x != x; VAL [\old(x)=4294967313, \result=0, one_modf=1, x=4294967313] [L123] RET, EXPR isnan_double(res) VAL [\read(iptr)=4294967311, iptr={6:0}, isnan_double(iptr) && !isnan_double(res)=1, isnan_double(iptr)=1, isnan_double(res)=0, one_modf=1, res=4294967313, x=4294967313] [L123] isnan_double(iptr) && !isnan_double(res) VAL [\read(iptr)=4294967311, iptr={6:0}, isnan_double(iptr) && !isnan_double(res)=1, isnan_double(iptr)=1, isnan_double(res)=0, one_modf=1, res=4294967313, x=4294967313] [L123] COND TRUE isnan_double(iptr) && !isnan_double(res) [L124] reach_error() VAL [iptr={6:0}, one_modf=1, res=4294967313, x=4294967313] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 237 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 74 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 163 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 [2023-11-06 22:55:07,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1210.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 ec4125207afaf1b514f6960540fbcd04b5d06d11b290a09d0632548b03e12b1f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:55:10,656 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:55:10,769 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:55:10,785 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:55:10,787 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:55:10,849 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:55:10,850 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:55:10,851 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:55:10,852 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:55:10,859 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:55:10,860 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:55:10,861 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:55:10,861 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:55:10,864 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:55:10,865 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:55:10,865 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:55:10,866 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:55:10,866 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:55:10,867 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:55:10,868 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:55:10,869 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:55:10,870 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:55:10,870 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:55:10,871 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:55:10,871 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:55:10,872 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:55:10,872 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:55:10,873 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:55:10,873 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:55:10,873 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:55:10,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:55:10,875 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:55:10,875 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:55:10,875 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:55:10,875 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:55:10,876 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:55:10,876 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:55:10,876 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:55:10,876 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:55:10,877 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:55:10,877 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:55:10,877 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:55:10,878 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec4125207afaf1b514f6960540fbcd04b5d06d11b290a09d0632548b03e12b1f [2023-11-06 22:55:11,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:55:11,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:55:11,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:55:11,399 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:55:11,399 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:55:11,401 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/float-newlib/double_req_bl_1210.c [2023-11-06 22:55:15,354 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:55:15,724 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:55:15,725 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/sv-benchmarks/c/float-newlib/double_req_bl_1210.c [2023-11-06 22:55:15,739 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/data/8d30a4404/dc56758936ce42cf8738d96b55d99a02/FLAG4bdb8a95c [2023-11-06 22:55:15,761 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/data/8d30a4404/dc56758936ce42cf8738d96b55d99a02 [2023-11-06 22:55:15,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:55:15,767 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:55:15,769 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:55:15,769 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:55:15,779 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:55:15,780 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:55:15" (1/1) ... [2023-11-06 22:55:15,782 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30ec4eed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:15, skipping insertion in model container [2023-11-06 22:55:15,782 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:55:15" (1/1) ... [2023-11-06 22:55:15,840 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:55:16,134 WARN L240 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_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/sv-benchmarks/c/float-newlib/double_req_bl_1210.c[3091,3104] [2023-11-06 22:55:16,140 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:55:16,174 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:55:16,252 WARN L240 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_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/sv-benchmarks/c/float-newlib/double_req_bl_1210.c[3091,3104] [2023-11-06 22:55:16,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:55:16,275 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:55:16,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:16 WrapperNode [2023-11-06 22:55:16,276 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:55:16,278 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:55:16,278 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:55:16,279 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:55:16,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:16" (1/1) ... [2023-11-06 22:55:16,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:16" (1/1) ... [2023-11-06 22:55:16,378 INFO L138 Inliner]: procedures = 19, calls = 70, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 210 [2023-11-06 22:55:16,381 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:55:16,382 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:55:16,383 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:55:16,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:55:16,395 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:16" (1/1) ... [2023-11-06 22:55:16,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:16" (1/1) ... [2023-11-06 22:55:16,413 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:16" (1/1) ... [2023-11-06 22:55:16,415 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:16" (1/1) ... [2023-11-06 22:55:16,440 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:16" (1/1) ... [2023-11-06 22:55:16,446 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:16" (1/1) ... [2023-11-06 22:55:16,450 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:16" (1/1) ... [2023-11-06 22:55:16,453 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:16" (1/1) ... [2023-11-06 22:55:16,459 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:55:16,460 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:55:16,460 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:55:16,461 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:55:16,462 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:16" (1/1) ... [2023-11-06 22:55:16,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:55:16,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:55:16,535 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:55:16,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:55:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2023-11-06 22:55:16,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2023-11-06 22:55:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:55:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-06 22:55:16,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-06 22:55:16,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:55:16,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:55:16,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 22:55:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:55:16,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:55:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 22:55:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:55:16,795 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:55:16,800 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:55:19,886 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:55:19,894 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:55:19,895 INFO L302 CfgBuilder]: Removed 20 assume(true) statements. [2023-11-06 22:55:19,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:55:19 BoogieIcfgContainer [2023-11-06 22:55:19,898 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:55:19,901 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:55:19,901 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:55:19,906 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:55:19,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:55:15" (1/3) ... [2023-11-06 22:55:19,907 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@718e9118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:55:19, skipping insertion in model container [2023-11-06 22:55:19,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:55:16" (2/3) ... [2023-11-06 22:55:19,908 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@718e9118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:55:19, skipping insertion in model container [2023-11-06 22:55:19,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:55:19" (3/3) ... [2023-11-06 22:55:19,910 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1210.c [2023-11-06 22:55:19,935 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:55:19,935 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:55:20,003 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:55:20,012 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@38144fd5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:55:20,013 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:55:20,019 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 44 states have (on average 1.6363636363636365) internal successors, (72), 45 states have internal predecessors, (72), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:55:20,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-06 22:55:20,031 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:20,032 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:55:20,033 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:55:20,040 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:20,040 INFO L85 PathProgramCache]: Analyzing trace with hash -542918343, now seen corresponding path program 1 times [2023-11-06 22:55:20,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:55:20,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1333693995] [2023-11-06 22:55:20,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:20,058 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 [2023-11-06 22:55:20,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:55:20,065 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:55:20,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:55:20,295 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/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)] Exception during sending of exit command (exit): Broken pipe [2023-11-06 22:55:20,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 139 [2023-11-06 22:55:20,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:55:20,496 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/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) with exit command (exit)) Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:91) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/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) with exit command (exit)) Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:317) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:215) ... 30 more Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 37 more [2023-11-06 22:55:20,507 INFO L158 Benchmark]: Toolchain (without parser) took 4735.37ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 57.9MB in the beginning and 78.6MB in the end (delta: -20.8MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2023-11-06 22:55:20,509 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 81.8MB. Free memory was 57.3MB in the beginning and 57.2MB in the end (delta: 154.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:55:20,510 INFO L158 Benchmark]: CACSL2BoogieTranslator took 508.20ms. Allocated memory is still 81.8MB. Free memory was 57.6MB in the beginning and 44.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:55:20,513 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.19ms. Allocated memory is still 81.8MB. Free memory was 44.5MB in the beginning and 42.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:55:20,515 INFO L158 Benchmark]: Boogie Preprocessor took 77.25ms. Allocated memory is still 81.8MB. Free memory was 42.5MB in the beginning and 40.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:55:20,517 INFO L158 Benchmark]: RCFGBuilder took 3438.02ms. Allocated memory is still 81.8MB. Free memory was 40.2MB in the beginning and 42.4MB in the end (delta: -2.2MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2023-11-06 22:55:20,519 INFO L158 Benchmark]: TraceAbstraction took 600.12ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 41.7MB in the beginning and 78.6MB in the end (delta: -36.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:55:20,526 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 81.8MB. Free memory was 57.3MB in the beginning and 57.2MB in the end (delta: 154.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 508.20ms. Allocated memory is still 81.8MB. Free memory was 57.6MB in the beginning and 44.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.19ms. Allocated memory is still 81.8MB. Free memory was 44.5MB in the beginning and 42.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.25ms. Allocated memory is still 81.8MB. Free memory was 42.5MB in the beginning and 40.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3438.02ms. Allocated memory is still 81.8MB. Free memory was 40.2MB in the beginning and 42.4MB in the end (delta: -2.2MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * TraceAbstraction took 600.12ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 41.7MB in the beginning and 78.6MB in the end (delta: -36.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/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) with exit command (exit)) Received EOF on stdin. No stderr output. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/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) with exit command (exit)) Received EOF on stdin. No stderr output.: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-06 22:55:20,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12807b52-b0fa-4ac6-8b39-36dd5c0fbb44/bin/uautomizer-verify-WvqO1wxjHP/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) with exit command (exit)) Received EOF on stdin. No stderr output.