./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0833.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/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_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0833.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/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_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/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 b5f03ef8422f7b7708e900a4e8a8defb18a5d0c6a337d34a875dec58ac2c0349 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:04:34,814 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:04:34,882 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 23:04:34,888 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:04:34,888 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:04:34,913 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:04:34,914 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:04:34,915 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:04:34,916 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:04:34,917 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:04:34,918 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:04:34,918 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:04:34,919 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:04:34,920 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:04:34,920 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:04:34,921 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:04:34,922 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:04:34,922 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:04:34,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:04:34,924 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:04:34,924 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:04:34,925 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:04:34,926 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:04:34,926 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:04:34,927 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:04:34,927 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:04:34,928 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:04:34,929 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:04:34,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:04:34,930 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:04:34,930 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:04:34,931 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:04:34,931 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:04:34,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:04:34,932 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:04:34,933 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:04:34,933 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:04:34,934 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:04:34,934 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:04:34,934 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_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5f03ef8422f7b7708e900a4e8a8defb18a5d0c6a337d34a875dec58ac2c0349 [2023-11-06 23:04:35,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:04:35,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:04:35,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:04:35,221 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:04:35,222 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:04:35,223 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/float-newlib/float_req_bl_0833.c [2023-11-06 23:04:38,410 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:04:38,649 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:04:38,650 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/sv-benchmarks/c/float-newlib/float_req_bl_0833.c [2023-11-06 23:04:38,665 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/bin/uautomizer-verify-WvqO1wxjHP/data/d9882c17f/72e3b2f6a3ab4cea8836c4874a34a51d/FLAG90b5923fe [2023-11-06 23:04:38,688 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/bin/uautomizer-verify-WvqO1wxjHP/data/d9882c17f/72e3b2f6a3ab4cea8836c4874a34a51d [2023-11-06 23:04:38,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:04:38,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:04:38,703 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:04:38,703 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:04:38,710 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:04:38,713 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:04:38" (1/1) ... [2023-11-06 23:04:38,714 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9423da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:38, skipping insertion in model container [2023-11-06 23:04:38,715 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:04:38" (1/1) ... [2023-11-06 23:04:38,760 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:04:39,064 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_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/sv-benchmarks/c/float-newlib/float_req_bl_0833.c[3348,3361] [2023-11-06 23:04:39,069 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:04:39,083 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:04:39,154 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_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/sv-benchmarks/c/float-newlib/float_req_bl_0833.c[3348,3361] [2023-11-06 23:04:39,156 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:04:39,184 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:04:39,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:39 WrapperNode [2023-11-06 23:04:39,185 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:04:39,186 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:04:39,187 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:04:39,187 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:04:39,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:39" (1/1) ... [2023-11-06 23:04:39,225 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:39" (1/1) ... [2023-11-06 23:04:39,275 INFO L138 Inliner]: procedures = 18, calls = 47, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 188 [2023-11-06 23:04:39,275 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:04:39,276 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:04:39,276 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:04:39,277 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:04:39,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:39" (1/1) ... [2023-11-06 23:04:39,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:39" (1/1) ... [2023-11-06 23:04:39,292 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:39" (1/1) ... [2023-11-06 23:04:39,292 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:39" (1/1) ... [2023-11-06 23:04:39,303 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:39" (1/1) ... [2023-11-06 23:04:39,308 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:39" (1/1) ... [2023-11-06 23:04:39,310 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:39" (1/1) ... [2023-11-06 23:04:39,312 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:39" (1/1) ... [2023-11-06 23:04:39,316 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:04:39,317 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:04:39,317 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:04:39,317 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:04:39,318 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:39" (1/1) ... [2023-11-06 23:04:39,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:04:39,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:39,355 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:39,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:04:39,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:04:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:04:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:04:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 23:04:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-06 23:04:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-06 23:04:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:04:39,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:04:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 23:04:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-06 23:04:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:04:39,492 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:04:39,494 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:04:39,843 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:04:39,859 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:04:39,859 INFO L302 CfgBuilder]: Removed 12 assume(true) statements. [2023-11-06 23:04:39,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:04:39 BoogieIcfgContainer [2023-11-06 23:04:39,862 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:04:39,865 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:04:39,865 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:04:39,871 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:04:39,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:04:38" (1/3) ... [2023-11-06 23:04:39,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e7732bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:04:39, skipping insertion in model container [2023-11-06 23:04:39,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:39" (2/3) ... [2023-11-06 23:04:39,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e7732bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:04:39, skipping insertion in model container [2023-11-06 23:04:39,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:04:39" (3/3) ... [2023-11-06 23:04:39,877 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0833.c [2023-11-06 23:04:39,918 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:04:39,919 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:04:40,013 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:04:40,020 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;@5654cb18, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:04:40,021 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:04:40,025 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 37 states have (on average 1.6756756756756757) internal successors, (62), 38 states have internal predecessors, (62), 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) [2023-11-06 23:04:40,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-06 23:04:40,033 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:04:40,033 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:04:40,034 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:04:40,040 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:40,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1903470238, now seen corresponding path program 1 times [2023-11-06 23:04:40,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:04:40,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527812695] [2023-11-06 23:04:40,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:40,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:04:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:40,235 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 23:04:40,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:04:40,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527812695] [2023-11-06 23:04:40,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527812695] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:04:40,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:04:40,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:04:40,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974779523] [2023-11-06 23:04:40,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:04:40,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:04:40,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:04:40,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:04:40,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:04:40,274 INFO L87 Difference]: Start difference. First operand has 39 states, 37 states have (on average 1.6756756756756757) internal successors, (62), 38 states have internal predecessors, (62), 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) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2023-11-06 23:04:40,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:04:40,295 INFO L93 Difference]: Finished difference Result 76 states and 122 transitions. [2023-11-06 23:04:40,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:04:40,298 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) Word has length 9 [2023-11-06 23:04:40,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:04:40,307 INFO L225 Difference]: With dead ends: 76 [2023-11-06 23:04:40,307 INFO L226 Difference]: Without dead ends: 36 [2023-11-06 23:04:40,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 23:04:40,315 INFO L413 NwaCegarLoop]: 49 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, 49 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 23:04:40,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:04:40,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-11-06 23:04:40,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2023-11-06 23:04:40,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 35 states have internal predecessors, (46), 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) [2023-11-06 23:04:40,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 46 transitions. [2023-11-06 23:04:40,356 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 46 transitions. Word has length 9 [2023-11-06 23:04:40,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:04:40,358 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 46 transitions. [2023-11-06 23:04:40,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2023-11-06 23:04:40,358 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2023-11-06 23:04:40,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-06 23:04:40,360 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:04:40,362 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:04:40,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:04:40,363 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:04:40,366 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:40,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1484880575, now seen corresponding path program 1 times [2023-11-06 23:04:40,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:04:40,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572705417] [2023-11-06 23:04:40,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:40,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:04:40,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:04:40,504 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:04:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:04:40,581 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:04:40,581 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 23:04:40,583 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 23:04:40,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 23:04:40,589 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 23:04:40,593 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:04:40,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:04:40 BoogieIcfgContainer [2023-11-06 23:04:40,625 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:04:40,626 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:04:40,626 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:04:40,626 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:04:40,626 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:04:39" (3/4) ... [2023-11-06 23:04:40,628 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 23:04:40,630 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:04:40,630 INFO L158 Benchmark]: Toolchain (without parser) took 1929.94ms. Allocated memory is still 176.2MB. Free memory was 134.5MB in the beginning and 121.4MB in the end (delta: 13.1MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2023-11-06 23:04:40,631 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory was 62.8MB in the beginning and 62.7MB in the end (delta: 134.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:04:40,632 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.99ms. Allocated memory is still 176.2MB. Free memory was 134.1MB in the beginning and 121.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 23:04:40,633 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.14ms. Allocated memory is still 176.2MB. Free memory was 121.6MB in the beginning and 119.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:04:40,633 INFO L158 Benchmark]: Boogie Preprocessor took 39.85ms. Allocated memory is still 176.2MB. Free memory was 119.5MB in the beginning and 117.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:04:40,634 INFO L158 Benchmark]: RCFGBuilder took 545.24ms. Allocated memory is still 176.2MB. Free memory was 117.7MB in the beginning and 101.1MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 23:04:40,634 INFO L158 Benchmark]: TraceAbstraction took 760.05ms. Allocated memory is still 176.2MB. Free memory was 100.6MB in the beginning and 122.0MB in the end (delta: -21.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:04:40,635 INFO L158 Benchmark]: Witness Printer took 3.91ms. Allocated memory is still 176.2MB. Free memory was 122.0MB in the beginning and 121.4MB in the end (delta: 667.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:04:40,638 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory was 62.8MB in the beginning and 62.7MB in the end (delta: 134.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 482.99ms. Allocated memory is still 176.2MB. Free memory was 134.1MB in the beginning and 121.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.14ms. Allocated memory is still 176.2MB. Free memory was 121.6MB in the beginning and 119.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.85ms. Allocated memory is still 176.2MB. Free memory was 119.5MB in the beginning and 117.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 545.24ms. Allocated memory is still 176.2MB. Free memory was 117.7MB in the beginning and 101.1MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 760.05ms. Allocated memory is still 176.2MB. Free memory was 100.6MB in the beginning and 122.0MB in the end (delta: -21.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.91ms. Allocated memory is still 176.2MB. Free memory was 122.0MB in the beginning and 121.4MB in the end (delta: 667.0kB). 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: 133]: 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 someBinaryFLOATComparisonOperation at line 132, overapproximation of someUnaryDOUBLEoperation at line 18, overapproximation of someBinaryArithmeticFLOAToperation at line 49. Possible FailurePath: [L14-L33] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; VAL [P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, halF_exp={4:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L128] float x = -1.0f / 0.0f; [L129] CALL, EXPR __ieee754_expf(x) [L36] float y, hi, lo, c, t; [L37] __int32_t k = 0, xsb, sx; [L38] __uint32_t hx; VAL [P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, \old(x)=1000000000000000000000000000001, halF_exp={4:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=1000000000000000000000000000001] [L41] ieee_float_shape_type gf_u; [L42] EXPR gf_u.value = (x) [L43] EXPR gf_u.word [L43] EXPR (sx) = gf_u.word [L40-L44] { ieee_float_shape_type gf_u; gf_u.value = (x); (sx) = gf_u.word; } VAL [P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, \old(x)=1000000000000000000000000000001, halF_exp={4:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, sx=2147483647, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=1000000000000000000000000000001] [L45] xsb = (sx >> 31) & 1 [L46] hx = sx & 0x7fffffff VAL [P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, \old(x)=1000000000000000000000000000001, halF_exp={4:0}, huge_exp=1000000000000000000000000000000, hx=2147483647, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, sx=2147483647, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=1000000000000000000000000000001, xsb=0] [L48] COND TRUE ((hx) > 0x7f800000L) [L49] return x + x; VAL [P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, \old(x)=1000000000000000000000000000001, halF_exp={4:0}, huge_exp=1000000000000000000000000000000, hx=2147483647, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, sx=2147483647, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=1000000000000000000000000000001, xsb=0] [L129] RET, EXPR __ieee754_expf(x) [L129] float res = __ieee754_expf(x); [L132] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, halF_exp={4:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, res == 0.0f && __signbit_float(res) == 0=0, res=1000000000000000000000000000002, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=1000000000000000000000000000001] [L132] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L133] reach_error() VAL [P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, halF_exp={4:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, res=1000000000000000000000000000002, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=1000000000000000000000000000001] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, 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, 49 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 49 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 23:04:40,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/bin/uautomizer-verify-WvqO1wxjHP/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/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_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0833.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/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_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/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 b5f03ef8422f7b7708e900a4e8a8defb18a5d0c6a337d34a875dec58ac2c0349 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:04:43,513 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:04:43,608 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 23:04:43,614 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:04:43,615 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:04:43,646 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:04:43,649 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:04:43,650 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:04:43,651 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:04:43,653 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:04:43,654 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:04:43,655 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:04:43,656 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:04:43,661 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:04:43,662 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:04:43,663 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:04:43,663 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:04:43,664 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:04:43,664 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:04:43,669 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:04:43,669 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:04:43,670 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 23:04:43,671 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 23:04:43,671 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 23:04:43,672 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:04:43,672 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:04:43,673 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:04:43,674 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:04:43,674 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:04:43,675 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:04:43,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:04:43,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:04:43,678 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:04:43,678 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:04:43,679 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 23:04:43,679 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 23:04:43,680 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:04:43,680 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:04:43,680 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:04:43,681 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:04:43,682 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 23:04:43,682 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:04:43,683 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_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5f03ef8422f7b7708e900a4e8a8defb18a5d0c6a337d34a875dec58ac2c0349 [2023-11-06 23:04:44,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:04:44,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:04:44,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:04:44,165 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:04:44,166 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:04:44,167 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/float-newlib/float_req_bl_0833.c [2023-11-06 23:04:47,628 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:04:47,928 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:04:47,928 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/sv-benchmarks/c/float-newlib/float_req_bl_0833.c [2023-11-06 23:04:47,944 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/bin/uautomizer-verify-WvqO1wxjHP/data/5cabeea76/44d92b617bce47f991e73ba7362e6a0b/FLAGa87a429f1 [2023-11-06 23:04:47,962 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/bin/uautomizer-verify-WvqO1wxjHP/data/5cabeea76/44d92b617bce47f991e73ba7362e6a0b [2023-11-06 23:04:47,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:04:47,968 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:04:47,970 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:04:47,970 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:04:47,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:04:47,978 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:04:47" (1/1) ... [2023-11-06 23:04:47,980 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@868ad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:47, skipping insertion in model container [2023-11-06 23:04:47,980 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:04:47" (1/1) ... [2023-11-06 23:04:48,014 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:04:48,290 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_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/sv-benchmarks/c/float-newlib/float_req_bl_0833.c[3348,3361] [2023-11-06 23:04:48,296 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:04:48,324 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:04:48,394 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_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/sv-benchmarks/c/float-newlib/float_req_bl_0833.c[3348,3361] [2023-11-06 23:04:48,398 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:04:48,419 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:04:48,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:48 WrapperNode [2023-11-06 23:04:48,420 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:04:48,421 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:04:48,422 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:04:48,422 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:04:48,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:48" (1/1) ... [2023-11-06 23:04:48,458 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:48" (1/1) ... [2023-11-06 23:04:48,510 INFO L138 Inliner]: procedures = 21, calls = 47, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 188 [2023-11-06 23:04:48,512 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:04:48,513 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:04:48,514 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:04:48,514 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:04:48,523 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:48" (1/1) ... [2023-11-06 23:04:48,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:48" (1/1) ... [2023-11-06 23:04:48,529 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:48" (1/1) ... [2023-11-06 23:04:48,530 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:48" (1/1) ... [2023-11-06 23:04:48,542 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:48" (1/1) ... [2023-11-06 23:04:48,547 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:48" (1/1) ... [2023-11-06 23:04:48,550 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:48" (1/1) ... [2023-11-06 23:04:48,553 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:48" (1/1) ... [2023-11-06 23:04:48,558 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:04:48,559 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:04:48,559 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:04:48,559 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:04:48,560 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:48" (1/1) ... [2023-11-06 23:04:48,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:04:48,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:48,602 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:48,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:04:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:04:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-06 23:04:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 23:04:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:04:48,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-06 23:04:48,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 23:04:48,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:04:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:04:48,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-06 23:04:48,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 23:04:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:04:48,803 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:04:48,806 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:04:58,816 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:04:58,823 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:04:58,823 INFO L302 CfgBuilder]: Removed 12 assume(true) statements. [2023-11-06 23:04:58,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:04:58 BoogieIcfgContainer [2023-11-06 23:04:58,827 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:04:58,829 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:04:58,829 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:04:58,833 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:04:58,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:04:47" (1/3) ... [2023-11-06 23:04:58,834 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c72ca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:04:58, skipping insertion in model container [2023-11-06 23:04:58,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:48" (2/3) ... [2023-11-06 23:04:58,835 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c72ca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:04:58, skipping insertion in model container [2023-11-06 23:04:58,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:04:58" (3/3) ... [2023-11-06 23:04:58,838 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0833.c [2023-11-06 23:04:58,854 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:04:58,854 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:04:58,903 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:04:58,910 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;@51675c42, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:04:58,911 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:04:58,918 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 37 states have (on average 1.6756756756756757) internal successors, (62), 38 states have internal predecessors, (62), 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) [2023-11-06 23:04:58,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-06 23:04:58,925 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:04:58,925 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:04:58,926 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:04:58,933 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:58,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1903470238, now seen corresponding path program 1 times [2023-11-06 23:04:58,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:04:58,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [340664329] [2023-11-06 23:04:58,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:58,948 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 23:04:58,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:04:58,954 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/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 23:04:58,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/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 23:04:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:59,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 23:04:59,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:04:59,532 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 23:04:59,532 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:04:59,533 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:04:59,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [340664329] [2023-11-06 23:04:59,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [340664329] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:04:59,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:04:59,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:04:59,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812421880] [2023-11-06 23:04:59,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:04:59,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:04:59,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:04:59,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:04:59,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:04:59,584 INFO L87 Difference]: Start difference. First operand has 39 states, 37 states have (on average 1.6756756756756757) internal successors, (62), 38 states have internal predecessors, (62), 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) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2023-11-06 23:04:59,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:04:59,622 INFO L93 Difference]: Finished difference Result 76 states and 122 transitions. [2023-11-06 23:04:59,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:04:59,625 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) Word has length 9 [2023-11-06 23:04:59,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:04:59,637 INFO L225 Difference]: With dead ends: 76 [2023-11-06 23:04:59,637 INFO L226 Difference]: Without dead ends: 36 [2023-11-06 23:04:59,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 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 23:04:59,648 INFO L413 NwaCegarLoop]: 49 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, 49 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 23:04:59,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:04:59,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-11-06 23:04:59,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2023-11-06 23:04:59,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 35 states have internal predecessors, (46), 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) [2023-11-06 23:04:59,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 46 transitions. [2023-11-06 23:04:59,697 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 46 transitions. Word has length 9 [2023-11-06 23:04:59,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:04:59,698 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 46 transitions. [2023-11-06 23:04:59,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2023-11-06 23:04:59,699 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2023-11-06 23:04:59,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-06 23:04:59,700 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:04:59,700 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:04:59,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/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 0 [2023-11-06 23:04:59,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/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 23:04:59,927 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:04:59,927 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:59,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1484880575, now seen corresponding path program 1 times [2023-11-06 23:04:59,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:04:59,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1231474446] [2023-11-06 23:04:59,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:59,929 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 23:04:59,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:04:59,930 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/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 23:04:59,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/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 (3)] Waiting until timeout for monitored process [2023-11-06 23:05:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:05:00,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 23:05:00,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:05:00,607 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-06 23:05:00,618 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2023-11-06 23:05:00,809 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 23:05:00,809 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:05:00,810 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:05:00,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1231474446] [2023-11-06 23:05:00,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1231474446] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:05:00,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:05:00,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:05:00,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571283103] [2023-11-06 23:05:00,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:05:00,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:05:00,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:05:00,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:05:00,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:05:00,813 INFO L87 Difference]: Start difference. First operand 36 states and 46 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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) [2023-11-06 23:05:01,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:05:01,132 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2023-11-06 23:05:01,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:05:01,133 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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) Word has length 10 [2023-11-06 23:05:01,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:05:01,134 INFO L225 Difference]: With dead ends: 45 [2023-11-06 23:05:01,134 INFO L226 Difference]: Without dead ends: 16 [2023-11-06 23:05:01,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:05:01,136 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 10 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:05:01,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 40 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 23:05:01,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2023-11-06 23:05:01,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2023-11-06 23:05:01,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 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) [2023-11-06 23:05:01,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2023-11-06 23:05:01,141 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 10 [2023-11-06 23:05:01,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:05:01,142 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2023-11-06 23:05:01,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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) [2023-11-06 23:05:01,142 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2023-11-06 23:05:01,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-06 23:05:01,143 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:05:01,143 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:05:01,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/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 (3)] Forceful destruction successful, exit code 0 [2023-11-06 23:05:01,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/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 23:05:01,344 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:05:01,344 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:05:01,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1245341696, now seen corresponding path program 1 times [2023-11-06 23:05:01,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:05:01,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1809562811] [2023-11-06 23:05:01,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:05:01,346 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 23:05:01,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:05:01,347 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/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 23:05:01,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/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 (4)] Waiting until timeout for monitored process [2023-11-06 23:05:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:05:01,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-06 23:05:01,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:05:02,543 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 23:05:02,544 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:05:02,544 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:05:02,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1809562811] [2023-11-06 23:05:02,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1809562811] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:05:02,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:05:02,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 23:05:02,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244697684] [2023-11-06 23:05:02,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:05:02,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:05:02,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:05:02,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:05:02,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:05:02,548 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 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) [2023-11-06 23:05:03,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:05:03,023 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2023-11-06 23:05:03,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 23:05:03,024 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 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) Word has length 11 [2023-11-06 23:05:03,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:05:03,025 INFO L225 Difference]: With dead ends: 19 [2023-11-06 23:05:03,025 INFO L226 Difference]: Without dead ends: 16 [2023-11-06 23:05:03,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2023-11-06 23:05:03,027 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 24 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:05:03,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 29 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 23:05:03,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2023-11-06 23:05:03,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2023-11-06 23:05:03,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0) internal successors, (15), 15 states have internal predecessors, (15), 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) [2023-11-06 23:05:03,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2023-11-06 23:05:03,033 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 11 [2023-11-06 23:05:03,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:05:03,034 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2023-11-06 23:05:03,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 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) [2023-11-06 23:05:03,034 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2023-11-06 23:05:03,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-06 23:05:03,035 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:05:03,035 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:05:03,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/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 (4)] Forceful destruction successful, exit code 0 [2023-11-06 23:05:03,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/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 23:05:03,261 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:05:03,262 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:05:03,262 INFO L85 PathProgramCache]: Analyzing trace with hash 140996437, now seen corresponding path program 1 times [2023-11-06 23:05:03,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:05:03,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [395994303] [2023-11-06 23:05:03,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:05:03,263 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 23:05:03,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:05:03,264 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/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 23:05:03,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/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 (5)] Waiting until timeout for monitored process [2023-11-06 23:05:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:05:03,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-06 23:05:03,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:05:03,879 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-06 23:05:04,747 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-06 23:05:05,296 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 23:05:05,296 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:05:05,296 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:05:05,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [395994303] [2023-11-06 23:05:05,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [395994303] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:05:05,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:05:05,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 23:05:05,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218887128] [2023-11-06 23:05:05,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:05:05,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 23:05:05,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:05:05,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 23:05:05,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:05:05,299 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 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) [2023-11-06 23:05:06,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:05:06,900 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2023-11-06 23:05:06,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 23:05:06,901 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 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) Word has length 15 [2023-11-06 23:05:06,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:05:06,901 INFO L225 Difference]: With dead ends: 16 [2023-11-06 23:05:06,901 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 23:05:06,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2023-11-06 23:05:06,903 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 14 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 23:05:06,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 29 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 23:05:06,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 23:05:06,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 23:05:06,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2023-11-06 23:05:06,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 23:05:06,905 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2023-11-06 23:05:06,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:05:06,905 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 23:05:06,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 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) [2023-11-06 23:05:06,905 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 23:05:06,905 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 23:05:06,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 23:05:06,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/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 (5)] Forceful destruction successful, exit code 0 [2023-11-06 23:05:07,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/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 23:05:07,135 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 23:05:07,713 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 53) no Hoare annotation was computed. [2023-11-06 23:05:07,713 INFO L899 garLoopResultBuilder]: For program point L77(lines 77 80) no Hoare annotation was computed. [2023-11-06 23:05:07,714 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 122 138) the Hoare annotation is: true [2023-11-06 23:05:07,714 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 72) no Hoare annotation was computed. [2023-11-06 23:05:07,714 INFO L899 garLoopResultBuilder]: For program point L69-2(lines 57 72) no Hoare annotation was computed. [2023-11-06 23:05:07,714 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 23:05:07,714 INFO L899 garLoopResultBuilder]: For program point L70(lines 70 71) no Hoare annotation was computed. [2023-11-06 23:05:07,714 INFO L899 garLoopResultBuilder]: For program point L54(lines 54 55) no Hoare annotation was computed. [2023-11-06 23:05:07,715 INFO L895 garLoopResultBuilder]: At program point __ieee754_expf_returnLabel#1(lines 35 108) the Hoare annotation is: (and (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) |ULTIMATE.start___ieee754_expf_#res#1|) (exists ((|v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12|) (_ bv0 32)))) (and (= |ULTIMATE.start___ieee754_expf_~x#1| (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= (bvand (bvashr .cse0 (_ bv31 32)) (_ bv1 32)) |ULTIMATE.start___ieee754_expf_~xsb~0#1|)))) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_expf_~sx~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_expf_~sx~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_expf_~sx~0#1|)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) (exists ((v_subst_1 (_ BitVec 32))) (and (= |ULTIMATE.start___ieee754_expf_~hx~0#1| (bvand (_ bv2147483647 32) v_subst_1)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_subst_1) ((_ extract 30 23) v_subst_1) ((_ extract 22 0) v_subst_1)))))) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start___ieee754_expf_~x#1|))) [2023-11-06 23:05:07,715 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 23:05:07,715 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 96 100) no Hoare annotation was computed. [2023-11-06 23:05:07,715 INFO L895 garLoopResultBuilder]: At program point L96-2(lines 96 100) the Hoare annotation is: false [2023-11-06 23:05:07,716 INFO L895 garLoopResultBuilder]: At program point __signbit_float_returnLabel#1(lines 110 120) the Hoare annotation is: (and (= |ULTIMATE.start___signbit_float_#res#1| (_ bv0 32)) |ULTIMATE.start_main_#t~short17#1| (exists ((currentRoundingMode RoundingMode) (v_arrayElimCell_2 (_ BitVec 32))) (and (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) (fp ((_ extract 31 31) |ULTIMATE.start___signbit_float_~w~0#1|) ((_ extract 30 23) |ULTIMATE.start___signbit_float_~w~0#1|) ((_ extract 22 0) |ULTIMATE.start___signbit_float_~w~0#1|))) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2))))) (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) |ULTIMATE.start___ieee754_expf_#res#1|) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-06 23:05:07,716 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 92) no Hoare annotation was computed. [2023-11-06 23:05:07,716 INFO L895 garLoopResultBuilder]: At program point L88-1(lines 88 92) the Hoare annotation is: false [2023-11-06 23:05:07,716 INFO L899 garLoopResultBuilder]: For program point L88-2(lines 88 92) no Hoare annotation was computed. [2023-11-06 23:05:07,716 INFO L899 garLoopResultBuilder]: For program point L113-1(lines 113 117) no Hoare annotation was computed. [2023-11-06 23:05:07,716 INFO L895 garLoopResultBuilder]: At program point L113-2(lines 113 117) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12|) (_ bv0 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) |ULTIMATE.start___signbit_float_~x#1|))) |ULTIMATE.start_main_#t~short17#1| (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) |ULTIMATE.start___ieee754_expf_#res#1|) (= currentRoundingMode roundNearestTiesToEven) (exists ((|v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (let ((.cse1 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12|) (_ bv0 32)))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))) (= |ULTIMATE.start_main_~res~0#1| ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)))))) [2023-11-06 23:05:07,717 INFO L899 garLoopResultBuilder]: For program point L113-3(lines 113 117) no Hoare annotation was computed. [2023-11-06 23:05:07,717 INFO L899 garLoopResultBuilder]: For program point L81(lines 81 107) no Hoare annotation was computed. [2023-11-06 23:05:07,717 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 49) no Hoare annotation was computed. [2023-11-06 23:05:07,717 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 40 44) no Hoare annotation was computed. [2023-11-06 23:05:07,717 INFO L895 garLoopResultBuilder]: At program point L40-2(lines 40 44) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start___ieee754_expf_~x#1|))) [2023-11-06 23:05:07,717 INFO L899 garLoopResultBuilder]: For program point L40-3(lines 40 44) no Hoare annotation was computed. [2023-11-06 23:05:07,718 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 23:05:07,718 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 72) no Hoare annotation was computed. [2023-11-06 23:05:07,718 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 133) no Hoare annotation was computed. [2023-11-06 23:05:07,718 INFO L899 garLoopResultBuilder]: For program point L132(line 132) no Hoare annotation was computed. [2023-11-06 23:05:07,718 INFO L899 garLoopResultBuilder]: For program point L132-2(lines 132 135) no Hoare annotation was computed. [2023-11-06 23:05:07,718 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 23:05:07,718 INFO L899 garLoopResultBuilder]: For program point L58(lines 58 67) no Hoare annotation was computed. [2023-11-06 23:05:07,719 INFO L899 garLoopResultBuilder]: For program point L58-2(lines 58 67) no Hoare annotation was computed. [2023-11-06 23:05:07,719 INFO L899 garLoopResultBuilder]: For program point L50(lines 50 51) no Hoare annotation was computed. [2023-11-06 23:05:07,719 INFO L899 garLoopResultBuilder]: For program point L83-1(lines 83 87) no Hoare annotation was computed. [2023-11-06 23:05:07,719 INFO L895 garLoopResultBuilder]: At program point L83-2(lines 83 87) the Hoare annotation is: false [2023-11-06 23:05:07,719 INFO L899 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2023-11-06 23:05:07,719 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 105) no Hoare annotation was computed. [2023-11-06 23:05:07,719 INFO L895 garLoopResultBuilder]: At program point L101-1(lines 101 105) the Hoare annotation is: false [2023-11-06 23:05:07,719 INFO L899 garLoopResultBuilder]: For program point L101-2(lines 101 105) no Hoare annotation was computed. [2023-11-06 23:05:07,727 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-06 23:05:07,731 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:05:07,748 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:05:07,749 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~x) could not be translated [2023-11-06 23:05:07,758 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:05:07,759 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~x) could not be translated [2023-11-06 23:05:07,759 ERROR L462 ceAbstractionStarter]: Failed to backtranslate (and (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start___ieee754_expf_~x#1|))) [2023-11-06 23:05:07,762 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][31:31], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][30:23], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][22:0]) && ~to_fp~32(currentRoundingMode, ~Pluszero~64()) == ~x) could not be translated [2023-11-06 23:05:07,762 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:05:07,763 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:05:07,764 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][31:31], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][30:23], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][22:0]) && ~res~0 == ~to_fp~32(currentRoundingMode, ~Pluszero~64())) could not be translated [2023-11-06 23:05:07,764 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][31:31], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][30:23], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][22:0]) && ~to_fp~32(currentRoundingMode, ~Pluszero~64()) == ~x) could not be translated [2023-11-06 23:05:07,765 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:05:07,765 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:05:07,765 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][31:31], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][30:23], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][22:0]) && ~res~0 == ~to_fp~32(currentRoundingMode, ~Pluszero~64())) could not be translated [2023-11-06 23:05:07,774 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:05:07,774 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12 : bv32 :: ~x == ~fp~32(#memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][31:31], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][30:23], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][22:0]) && ~bvand~32(~bvashr~32(#memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32], 31bv32), 1bv32) == ~xsb~0) could not be translated [2023-11-06 23:05:07,775 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp~32(~sx~0[31:31], ~sx~0[30:23], ~sx~0[22:0]) == ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32())) could not be translated [2023-11-06 23:05:07,775 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_1 : bv32 :: ~hx~0 == ~bvand~32(2147483647bv32, v_subst_1) && (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(v_subst_1[31:31], v_subst_1[30:23], v_subst_1[22:0]))) could not be translated [2023-11-06 23:05:07,775 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:05:07,775 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~x) could not be translated [2023-11-06 23:05:07,785 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:05:07,785 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12 : bv32 :: ~x == ~fp~32(#memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][31:31], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][30:23], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][22:0]) && ~bvand~32(~bvashr~32(#memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32], 31bv32), 1bv32) == ~xsb~0) could not be translated [2023-11-06 23:05:07,786 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp~32(~sx~0[31:31], ~sx~0[30:23], ~sx~0[22:0]) == ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32())) could not be translated [2023-11-06 23:05:07,786 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_1 : bv32 :: ~hx~0 == ~bvand~32(2147483647bv32, v_subst_1) && (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(v_subst_1[31:31], v_subst_1[30:23], v_subst_1[22:0]))) could not be translated [2023-11-06 23:05:07,786 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:05:07,786 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~x) could not be translated [2023-11-06 23:05:07,787 ERROR L462 ceAbstractionStarter]: Failed to backtranslate (and (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) |ULTIMATE.start___ieee754_expf_#res#1|) (exists ((|v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12|) (_ bv0 32)))) (and (= |ULTIMATE.start___ieee754_expf_~x#1| (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= (bvand (bvashr .cse0 (_ bv31 32)) (_ bv1 32)) |ULTIMATE.start___ieee754_expf_~xsb~0#1|)))) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_expf_~sx~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_expf_~sx~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_expf_~sx~0#1|)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) (exists ((v_subst_1 (_ BitVec 32))) (and (= |ULTIMATE.start___ieee754_expf_~hx~0#1| (bvand (_ bv2147483647 32) v_subst_1)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_subst_1) ((_ extract 30 23) v_subst_1) ((_ extract 22 0) v_subst_1)))))) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start___ieee754_expf_~x#1|))) [2023-11-06 23:05:07,788 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode, v_arrayElimCell_2 : bv32 :: ~to_fp~32(currentRoundingMode, ~Pluszero~64()) == ~fp~32(~w~0[31:31], ~w~0[30:23], ~w~0[22:0]) && ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(v_arrayElimCell_2[31:31], v_arrayElimCell_2[30:23], v_arrayElimCell_2[22:0])) could not be translated [2023-11-06 23:05:07,788 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:05:07,788 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:05:07,789 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode, v_arrayElimCell_2 : bv32 :: ~to_fp~32(currentRoundingMode, ~Pluszero~64()) == ~fp~32(~w~0[31:31], ~w~0[30:23], ~w~0[22:0]) && ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(v_arrayElimCell_2[31:31], v_arrayElimCell_2[30:23], v_arrayElimCell_2[22:0])) could not be translated [2023-11-06 23:05:07,789 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:05:07,789 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:05:07,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:05:07 BoogieIcfgContainer [2023-11-06 23:05:07,791 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:05:07,792 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:05:07,792 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:05:07,792 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:05:07,793 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:04:58" (3/4) ... [2023-11-06 23:05:07,795 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 23:05:07,812 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-06 23:05:07,813 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-06 23:05:07,813 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 23:05:07,814 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 23:05:07,852 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 0) && org.eclipse.cdt.internal.core.dom.parser.c.CASTBinaryExpression@6b13d850) [2023-11-06 23:05:07,905 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 0) && org.eclipse.cdt.internal.core.dom.parser.c.CASTBinaryExpression@6b13d850) [2023-11-06 23:05:07,935 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 23:05:07,936 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 23:05:07,936 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:05:07,937 INFO L158 Benchmark]: Toolchain (without parser) took 19969.30ms. Allocated memory is still 98.6MB. Free memory was 74.0MB in the beginning and 74.6MB in the end (delta: -605.7kB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2023-11-06 23:05:07,937 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 67.1MB. Free memory is still 42.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:05:07,938 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.31ms. Allocated memory is still 98.6MB. Free memory was 74.0MB in the beginning and 60.5MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 23:05:07,938 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.85ms. Allocated memory is still 98.6MB. Free memory was 60.5MB in the beginning and 58.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:05:07,938 INFO L158 Benchmark]: Boogie Preprocessor took 45.10ms. Allocated memory is still 98.6MB. Free memory was 58.3MB in the beginning and 56.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:05:07,939 INFO L158 Benchmark]: RCFGBuilder took 10268.74ms. Allocated memory is still 98.6MB. Free memory was 56.0MB in the beginning and 59.9MB in the end (delta: -3.8MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2023-11-06 23:05:07,939 INFO L158 Benchmark]: TraceAbstraction took 8962.34ms. Allocated memory is still 98.6MB. Free memory was 59.3MB in the beginning and 37.4MB in the end (delta: 22.0MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2023-11-06 23:05:07,939 INFO L158 Benchmark]: Witness Printer took 144.27ms. Allocated memory is still 98.6MB. Free memory was 37.4MB in the beginning and 74.6MB in the end (delta: -37.2MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2023-11-06 23:05:07,942 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 67.1MB. Free memory is still 42.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.31ms. Allocated memory is still 98.6MB. Free memory was 74.0MB in the beginning and 60.5MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.85ms. Allocated memory is still 98.6MB. Free memory was 60.5MB in the beginning and 58.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.10ms. Allocated memory is still 98.6MB. Free memory was 58.3MB in the beginning and 56.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 10268.74ms. Allocated memory is still 98.6MB. Free memory was 56.0MB in the beginning and 59.9MB in the end (delta: -3.8MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * TraceAbstraction took 8962.34ms. Allocated memory is still 98.6MB. Free memory was 59.3MB in the beginning and 37.4MB in the end (delta: 22.0MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. * Witness Printer took 144.27ms. Allocated memory is still 98.6MB. Free memory was 37.4MB in the beginning and 74.6MB in the end (delta: -37.2MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~x) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~x) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][31:31], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][30:23], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][22:0]) && ~to_fp~32(currentRoundingMode, ~Pluszero~64()) == ~x) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][31:31], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][30:23], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][22:0]) && ~res~0 == ~to_fp~32(currentRoundingMode, ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][31:31], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][30:23], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][22:0]) && ~to_fp~32(currentRoundingMode, ~Pluszero~64()) == ~x) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][31:31], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][30:23], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][22:0]) && ~res~0 == ~to_fp~32(currentRoundingMode, ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12 : bv32 :: ~x == ~fp~32(#memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][31:31], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][30:23], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][22:0]) && ~bvand~32(~bvashr~32(#memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32], 31bv32), 1bv32) == ~xsb~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp~32(~sx~0[31:31], ~sx~0[30:23], ~sx~0[22:0]) == ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_subst_1 : bv32 :: ~hx~0 == ~bvand~32(2147483647bv32, v_subst_1) && (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(v_subst_1[31:31], v_subst_1[30:23], v_subst_1[22:0]))) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~x) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12 : bv32 :: ~x == ~fp~32(#memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][31:31], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][30:23], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][22:0]) && ~bvand~32(~bvashr~32(#memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32], 31bv32), 1bv32) == ~xsb~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp~32(~sx~0[31:31], ~sx~0[30:23], ~sx~0[22:0]) == ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_subst_1 : bv32 :: ~hx~0 == ~bvand~32(2147483647bv32, v_subst_1) && (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(v_subst_1[31:31], v_subst_1[30:23], v_subst_1[22:0]))) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~x) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode, v_arrayElimCell_2 : bv32 :: ~to_fp~32(currentRoundingMode, ~Pluszero~64()) == ~fp~32(~w~0[31:31], ~w~0[30:23], ~w~0[22:0]) && ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(v_arrayElimCell_2[31:31], v_arrayElimCell_2[30:23], v_arrayElimCell_2[22:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode, v_arrayElimCell_2 : bv32 :: ~to_fp~32(currentRoundingMode, ~Pluszero~64()) == ~fp~32(~w~0[31:31], ~w~0[30:23], ~w~0[22:0]) && ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(v_arrayElimCell_2[31:31], v_arrayElimCell_2[30:23], v_arrayElimCell_2[22:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated * 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 - PositiveResult [Line: 133]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 48 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 48 mSDsluCounter, 147 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 72 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 90 IncrementalHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 75 mSDtfsCounter, 90 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 14 NumberOfFragments, 230 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 143 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 41 ConstructedInterpolants, 15 QuantifiedInterpolants, 549 SizeOfPredicates, 30 NumberOfNonLiveVariables, 296 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant [2023-11-06 23:05:07,965 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:05:07,965 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~x) could not be translated [2023-11-06 23:05:07,966 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:05:07,966 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~x) could not be translated Derived loop invariant: NULL - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant [2023-11-06 23:05:07,966 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][31:31], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][30:23], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][22:0]) && ~to_fp~32(currentRoundingMode, ~Pluszero~64()) == ~x) could not be translated [2023-11-06 23:05:07,966 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:05:07,967 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:05:07,967 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][31:31], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][30:23], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][22:0]) && ~res~0 == ~to_fp~32(currentRoundingMode, ~Pluszero~64())) could not be translated [2023-11-06 23:05:07,967 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][31:31], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][30:23], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][22:0]) && ~to_fp~32(currentRoundingMode, ~Pluszero~64()) == ~x) could not be translated [2023-11-06 23:05:07,967 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:05:07,967 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:05:07,967 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(#memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][31:31], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][30:23], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][22:0]) && ~res~0 == ~to_fp~32(currentRoundingMode, ~Pluszero~64())) could not be translated Derived loop invariant: org.eclipse.cdt.internal.core.dom.parser.c.CASTBinaryExpression@6b13d850 - InvariantResult [Line: 35]: Loop Invariant [2023-11-06 23:05:07,968 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:05:07,968 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12 : bv32 :: ~x == ~fp~32(#memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][31:31], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][30:23], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][22:0]) && ~bvand~32(~bvashr~32(#memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32], 31bv32), 1bv32) == ~xsb~0) could not be translated [2023-11-06 23:05:07,968 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp~32(~sx~0[31:31], ~sx~0[30:23], ~sx~0[22:0]) == ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32())) could not be translated [2023-11-06 23:05:07,968 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_1 : bv32 :: ~hx~0 == ~bvand~32(2147483647bv32, v_subst_1) && (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(v_subst_1[31:31], v_subst_1[30:23], v_subst_1[22:0]))) could not be translated [2023-11-06 23:05:07,968 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:05:07,968 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~x) could not be translated [2023-11-06 23:05:07,969 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:05:07,969 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12 : bv32 :: ~x == ~fp~32(#memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][31:31], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][30:23], #memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32][22:0]) && ~bvand~32(~bvashr~32(#memory_int[v_ULTIMATE.start___ieee754_expf_~#gf_u~0#1.base_12][0bv32], 31bv32), 1bv32) == ~xsb~0) could not be translated [2023-11-06 23:05:07,969 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp~32(~sx~0[31:31], ~sx~0[30:23], ~sx~0[22:0]) == ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32())) could not be translated [2023-11-06 23:05:07,969 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_subst_1 : bv32 :: ~hx~0 == ~bvand~32(2147483647bv32, v_subst_1) && (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(v_subst_1[31:31], v_subst_1[30:23], v_subst_1[22:0]))) could not be translated [2023-11-06 23:05:07,969 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:05:07,970 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~x) could not be translated Derived loop invariant: NULL - InvariantResult [Line: 110]: Loop Invariant [2023-11-06 23:05:07,970 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode, v_arrayElimCell_2 : bv32 :: ~to_fp~32(currentRoundingMode, ~Pluszero~64()) == ~fp~32(~w~0[31:31], ~w~0[30:23], ~w~0[22:0]) && ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(v_arrayElimCell_2[31:31], v_arrayElimCell_2[30:23], v_arrayElimCell_2[22:0])) could not be translated [2023-11-06 23:05:07,970 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:05:07,970 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:05:07,971 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode, v_arrayElimCell_2 : bv32 :: ~to_fp~32(currentRoundingMode, ~Pluszero~64()) == ~fp~32(~w~0[31:31], ~w~0[30:23], ~w~0[22:0]) && ~fp.div~32(currentRoundingMode, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1.0)), ~Pluszero~32()) == ~fp~32(v_arrayElimCell_2[31:31], v_arrayElimCell_2[30:23], v_arrayElimCell_2[22:0])) could not be translated [2023-11-06 23:05:07,971 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 23:05:07,971 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated Derived loop invariant: ((\result == 0) && org.eclipse.cdt.internal.core.dom.parser.c.CASTBinaryExpression@6b13d850) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-06 23:05:08,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eddec-b173-43a4-9ebc-bd5086f3a2d6/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: TRUE