./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1011b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1011b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77e7bc0a7ca6c2b1faee27e24ec59fd1c1b81d4fc6d179bc3aaa35793cc2e051 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:46:54,759 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:46:54,826 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:46:54,831 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:46:54,832 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:46:54,855 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:46:54,856 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:46:54,857 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:46:54,858 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:46:54,858 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:46:54,859 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:46:54,860 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:46:54,861 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:46:54,862 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:46:54,862 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:46:54,863 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:46:54,865 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:46:54,866 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:46:54,867 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:46:54,867 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:46:54,868 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:46:54,869 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:46:54,869 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:46:54,870 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:46:54,871 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:46:54,871 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:46:54,872 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:46:54,873 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:46:54,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:46:54,874 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:46:54,875 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:46:54,875 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:46:54,876 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:46:54,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:46:54,877 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:46:54,878 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:46:54,879 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:46:54,879 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:46:54,880 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:46:54,880 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_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77e7bc0a7ca6c2b1faee27e24ec59fd1c1b81d4fc6d179bc3aaa35793cc2e051 [2023-11-19 07:46:55,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:46:55,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:46:55,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:46:55,180 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:46:55,181 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:46:55,182 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/float-newlib/double_req_bl_1011b.c [2023-11-19 07:46:58,329 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:46:58,562 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:46:58,563 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/sv-benchmarks/c/float-newlib/double_req_bl_1011b.c [2023-11-19 07:46:58,573 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/data/9246ea56f/74c00f5e6d5243da836bb2c7aecd3269/FLAG48e960d95 [2023-11-19 07:46:58,590 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/data/9246ea56f/74c00f5e6d5243da836bb2c7aecd3269 [2023-11-19 07:46:58,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:46:58,601 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:46:58,607 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:58,607 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:46:58,612 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:46:58,616 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:58" (1/1) ... [2023-11-19 07:46:58,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@584323db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:58, skipping insertion in model container [2023-11-19 07:46:58,618 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:58" (1/1) ... [2023-11-19 07:46:58,644 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:46:58,853 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_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/sv-benchmarks/c/float-newlib/double_req_bl_1011b.c[1211,1224] [2023-11-19 07:46:58,859 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:58,869 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:46:58,890 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_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/sv-benchmarks/c/float-newlib/double_req_bl_1011b.c[1211,1224] [2023-11-19 07:46:58,891 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:58,907 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:46:58,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:58 WrapperNode [2023-11-19 07:46:58,908 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:58,909 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:46:58,909 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:46:58,909 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:46:58,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:58" (1/1) ... [2023-11-19 07:46:58,929 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:58" (1/1) ... [2023-11-19 07:46:58,947 INFO L138 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2023-11-19 07:46:58,948 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:46:58,949 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:46:58,949 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:46:58,949 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:46:58,958 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:58" (1/1) ... [2023-11-19 07:46:58,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:58" (1/1) ... [2023-11-19 07:46:58,961 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:58" (1/1) ... [2023-11-19 07:46:58,961 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:58" (1/1) ... [2023-11-19 07:46:58,968 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:58" (1/1) ... [2023-11-19 07:46:58,971 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:58" (1/1) ... [2023-11-19 07:46:58,975 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:58" (1/1) ... [2023-11-19 07:46:58,976 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:58" (1/1) ... [2023-11-19 07:46:58,979 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:46:58,980 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:46:58,980 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:46:58,981 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:46:58,982 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:58" (1/1) ... [2023-11-19 07:46:59,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:46:59,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:59,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:59,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:46:59,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:46:59,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:46:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:46:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 07:46:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:46:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 07:46:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:46:59,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:46:59,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:46:59,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:46:59,143 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:46:59,146 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:46:59,334 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:46:59,340 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:46:59,341 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 07:46:59,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:59 BoogieIcfgContainer [2023-11-19 07:46:59,351 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:46:59,354 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:46:59,354 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:46:59,357 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:46:59,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:46:58" (1/3) ... [2023-11-19 07:46:59,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6560bed5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:59, skipping insertion in model container [2023-11-19 07:46:59,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:58" (2/3) ... [2023-11-19 07:46:59,359 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6560bed5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:59, skipping insertion in model container [2023-11-19 07:46:59,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:59" (3/3) ... [2023-11-19 07:46:59,362 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011b.c [2023-11-19 07:46:59,387 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:46:59,387 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:46:59,453 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:46:59,462 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1eee908b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:46:59,464 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:46:59,469 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 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) [2023-11-19 07:46:59,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 07:46:59,476 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:59,478 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:59,479 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:59,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:59,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2023-11-19 07:46:59,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:59,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140075877] [2023-11-19 07:46:59,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:59,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:59,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:59,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:59,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:59,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140075877] [2023-11-19 07:46:59,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140075877] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:59,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:59,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:46:59,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440083368] [2023-11-19 07:46:59,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:59,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:46:59,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:59,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:46:59,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:46:59,730 INFO L87 Difference]: Start difference. First operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 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) [2023-11-19 07:46:59,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:59,749 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2023-11-19 07:46:59,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:46:59,752 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 [2023-11-19 07:46:59,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:46:59,760 INFO L225 Difference]: With dead ends: 36 [2023-11-19 07:46:59,760 INFO L226 Difference]: Without dead ends: 16 [2023-11-19 07:46:59,763 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 [2023-11-19 07:46:59,768 INFO L413 NwaCegarLoop]: 19 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, 19 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 [2023-11-19 07:46:59,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:46:59,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2023-11-19 07:46:59,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2023-11-19 07:46:59,822 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) [2023-11-19 07:46:59,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2023-11-19 07:46:59,824 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2023-11-19 07:46:59,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:46:59,825 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2023-11-19 07:46:59,825 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) [2023-11-19 07:46:59,826 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2023-11-19 07:46:59,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 07:46:59,827 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:59,827 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:59,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:46:59,829 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:59,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:59,829 INFO L85 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2023-11-19 07:46:59,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:59,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286369662] [2023-11-19 07:46:59,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:59,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:59,926 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:59,969 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:59,970 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:46:59,972 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:46:59,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:46:59,977 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 07:46:59,980 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:46:59,995 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short9 could not be translated [2023-11-19 07:47:00,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:47:00 BoogieIcfgContainer [2023-11-19 07:47:00,004 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:47:00,005 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:47:00,005 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:47:00,005 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:47:00,006 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:59" (3/4) ... [2023-11-19 07:47:00,008 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:47:00,009 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:47:00,010 INFO L158 Benchmark]: Toolchain (without parser) took 1409.21ms. Allocated memory is still 163.6MB. Free memory was 119.7MB in the beginning and 125.7MB in the end (delta: -6.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:47:00,010 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 65.9MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:47:00,011 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.66ms. Allocated memory is still 163.6MB. Free memory was 119.3MB in the beginning and 108.3MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:47:00,011 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.98ms. Allocated memory is still 163.6MB. Free memory was 108.3MB in the beginning and 106.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:47:00,012 INFO L158 Benchmark]: Boogie Preprocessor took 30.72ms. Allocated memory is still 163.6MB. Free memory was 106.8MB in the beginning and 105.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:47:00,013 INFO L158 Benchmark]: RCFGBuilder took 370.84ms. Allocated memory is still 163.6MB. Free memory was 105.4MB in the beginning and 93.2MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:47:00,013 INFO L158 Benchmark]: TraceAbstraction took 650.60ms. Allocated memory is still 163.6MB. Free memory was 92.9MB in the beginning and 126.5MB in the end (delta: -33.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:47:00,014 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 163.6MB. Free memory was 126.5MB in the beginning and 125.7MB in the end (delta: 838.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:47:00,017 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 65.9MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.66ms. Allocated memory is still 163.6MB. Free memory was 119.3MB in the beginning and 108.3MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.98ms. Allocated memory is still 163.6MB. Free memory was 108.3MB in the beginning and 106.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.72ms. Allocated memory is still 163.6MB. Free memory was 106.8MB in the beginning and 105.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 370.84ms. Allocated memory is still 163.6MB. Free memory was 105.4MB in the beginning and 93.2MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 650.60ms. Allocated memory is still 163.6MB. Free memory was 92.9MB in the beginning and 126.5MB in the end (delta: -33.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.25ms. Allocated memory is still 163.6MB. Free memory was 126.5MB in the beginning and 125.7MB in the end (delta: 838.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short9 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 54]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of someUnaryDOUBLEoperation at line 49. Possible FailurePath: [L49] double x = -0.0; [L50] CALL, EXPR fabs_double(x) [L28] __uint32_t high; VAL [\old(x)=63, x=63] [L30] ieee_double_shape_type gh_u; [L31] EXPR gh_u.value = (x) [L32] EXPR gh_u.parts.msw [L32] EXPR (high) = gh_u.parts.msw [L29-L33] { ieee_double_shape_type gh_u; gh_u.value = (x); (high) = gh_u.parts.msw; } VAL [\old(x)=63, high=7, x=63] [L35] ieee_double_shape_type sh_u; [L36] EXPR sh_u.value = (x) [L37] EXPR sh_u.parts.msw = (high & 0x7fffffff) [L38] EXPR sh_u.value [L38] EXPR (x) = sh_u.value [L34-L39] { ieee_double_shape_type sh_u; sh_u.value = (x); sh_u.parts.msw = (high & 0x7fffffff); (x) = sh_u.value; } VAL [\old(x)=63, high=7, x=63] [L40] return x; VAL [\old(x)=63, \result=63, high=7, x=63] [L50] RET, EXPR fabs_double(x) [L50] double res = fabs_double(x); [L53] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [res=63, x=63] [L53] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L54] reach_error() VAL [res=63, x=63] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 19 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, 19 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=19occurred 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, 20 NumberOfCodeBlocks, 20 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 [2023-11-19 07:47:00,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1011b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77e7bc0a7ca6c2b1faee27e24ec59fd1c1b81d4fc6d179bc3aaa35793cc2e051 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:47:02,773 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:47:02,889 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 07:47:02,897 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:47:02,900 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:47:02,947 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:47:02,948 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:47:02,948 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:47:02,950 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:47:02,954 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:47:02,955 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:47:02,956 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:47:02,956 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:47:02,958 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:47:02,959 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:47:02,960 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:47:02,960 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:47:02,961 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:47:02,961 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:47:02,962 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:47:02,963 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:47:02,963 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:47:02,964 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:47:02,964 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:47:02,965 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:47:02,965 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:47:02,966 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:47:02,966 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:47:02,967 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:47:02,968 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:47:02,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:02,969 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:47:02,970 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:47:02,970 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:47:02,971 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:47:02,971 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:47:02,971 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:47:02,972 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:47:02,972 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:47:02,973 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:47:02,973 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:47:02,974 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:47:02,974 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_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77e7bc0a7ca6c2b1faee27e24ec59fd1c1b81d4fc6d179bc3aaa35793cc2e051 [2023-11-19 07:47:03,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:47:03,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:47:03,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:47:03,431 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:47:03,431 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:47:03,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/float-newlib/double_req_bl_1011b.c [2023-11-19 07:47:06,643 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:47:06,926 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:47:06,926 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/sv-benchmarks/c/float-newlib/double_req_bl_1011b.c [2023-11-19 07:47:06,935 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/data/e7007b1aa/d6437128fd2848de969b276c6964e512/FLAGd08b0d645 [2023-11-19 07:47:06,952 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/data/e7007b1aa/d6437128fd2848de969b276c6964e512 [2023-11-19 07:47:06,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:47:06,956 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:47:06,958 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:06,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:47:06,963 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:47:06,964 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:06" (1/1) ... [2023-11-19 07:47:06,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b3ee0d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:06, skipping insertion in model container [2023-11-19 07:47:06,966 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:06" (1/1) ... [2023-11-19 07:47:06,988 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:47:07,158 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_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/sv-benchmarks/c/float-newlib/double_req_bl_1011b.c[1211,1224] [2023-11-19 07:47:07,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:07,178 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:47:07,199 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_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/sv-benchmarks/c/float-newlib/double_req_bl_1011b.c[1211,1224] [2023-11-19 07:47:07,200 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:07,220 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:47:07,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:07 WrapperNode [2023-11-19 07:47:07,221 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:07,222 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:07,222 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:47:07,222 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:47:07,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:07" (1/1) ... [2023-11-19 07:47:07,241 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:07" (1/1) ... [2023-11-19 07:47:07,263 INFO L138 Inliner]: procedures = 19, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2023-11-19 07:47:07,263 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:07,264 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:47:07,265 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:47:07,265 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:47:07,274 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:07" (1/1) ... [2023-11-19 07:47:07,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:07" (1/1) ... [2023-11-19 07:47:07,279 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:07" (1/1) ... [2023-11-19 07:47:07,279 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:07" (1/1) ... [2023-11-19 07:47:07,289 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:07" (1/1) ... [2023-11-19 07:47:07,293 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:07" (1/1) ... [2023-11-19 07:47:07,295 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:07" (1/1) ... [2023-11-19 07:47:07,297 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:07" (1/1) ... [2023-11-19 07:47:07,301 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:47:07,302 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:47:07,302 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:47:07,302 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:47:07,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:07" (1/1) ... [2023-11-19 07:47:07,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:07,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:07,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:07,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:47:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:47:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-19 07:47:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-19 07:47:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:47:07,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:47:07,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 07:47:07,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:47:07,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:47:07,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 07:47:07,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:47:07,492 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:47:07,504 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:47:07,810 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:47:07,817 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:47:07,817 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 07:47:07,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:07 BoogieIcfgContainer [2023-11-19 07:47:07,821 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:47:07,823 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:47:07,824 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:47:07,827 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:47:07,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:47:06" (1/3) ... [2023-11-19 07:47:07,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68083478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:07, skipping insertion in model container [2023-11-19 07:47:07,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:07" (2/3) ... [2023-11-19 07:47:07,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68083478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:07, skipping insertion in model container [2023-11-19 07:47:07,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:07" (3/3) ... [2023-11-19 07:47:07,830 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011b.c [2023-11-19 07:47:07,849 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:47:07,849 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:47:07,895 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:47:07,902 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@24d7697d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:47:07,903 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:47:07,909 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 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) [2023-11-19 07:47:07,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 07:47:07,916 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:07,916 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:07,917 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:07,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:07,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2023-11-19 07:47:07,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:47:07,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1517692346] [2023-11-19 07:47:07,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:07,946 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 [2023-11-19 07:47:07,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:47:07,952 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:47:08,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:08,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:47:08,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:08,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:08,073 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:47:08,074 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:47:08,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1517692346] [2023-11-19 07:47:08,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1517692346] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:08,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:08,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:47:08,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919445845] [2023-11-19 07:47:08,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:08,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:47:08,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:47:08,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:47:08,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:47:08,117 INFO L87 Difference]: Start difference. First operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 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) [2023-11-19 07:47:08,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:08,136 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2023-11-19 07:47:08,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:47:08,140 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 [2023-11-19 07:47:08,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:08,148 INFO L225 Difference]: With dead ends: 36 [2023-11-19 07:47:08,148 INFO L226 Difference]: Without dead ends: 16 [2023-11-19 07:47:08,151 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 [2023-11-19 07:47:08,155 INFO L413 NwaCegarLoop]: 19 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, 19 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 [2023-11-19 07:47:08,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:47:08,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2023-11-19 07:47:08,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2023-11-19 07:47:08,187 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) [2023-11-19 07:47:08,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2023-11-19 07:47:08,190 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2023-11-19 07:47:08,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:08,191 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2023-11-19 07:47:08,191 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) [2023-11-19 07:47:08,192 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2023-11-19 07:47:08,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 07:47:08,193 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:08,193 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:08,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-19 07:47:08,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:08,396 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:08,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:08,397 INFO L85 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2023-11-19 07:47:08,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:47:08,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1350877351] [2023-11-19 07:47:08,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:08,398 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 [2023-11-19 07:47:08,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:47:08,400 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:47:08,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:08,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 07:47:08,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:08,649 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2023-11-19 07:47:08,819 INFO L378 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 45 treesize of output 29 [2023-11-19 07:47:09,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:09,011 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:47:09,011 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:47:09,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1350877351] [2023-11-19 07:47:09,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1350877351] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:09,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:09,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 07:47:09,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292259125] [2023-11-19 07:47:09,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:09,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:47:09,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:47:09,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:47:09,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:47:09,015 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) 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) [2023-11-19 07:47:09,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:09,184 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2023-11-19 07:47:09,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:47:09,185 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) 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 [2023-11-19 07:47:09,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:09,186 INFO L225 Difference]: With dead ends: 19 [2023-11-19 07:47:09,186 INFO L226 Difference]: Without dead ends: 16 [2023-11-19 07:47:09,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:47:09,188 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 13 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:09,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 33 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:47:09,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2023-11-19 07:47:09,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2023-11-19 07:47:09,193 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) [2023-11-19 07:47:09,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2023-11-19 07:47:09,194 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 11 [2023-11-19 07:47:09,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:09,194 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2023-11-19 07:47:09,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.5714285714285714) 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) [2023-11-19 07:47:09,195 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2023-11-19 07:47:09,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 07:47:09,195 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:09,195 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:09,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:09,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:09,399 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:09,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:09,400 INFO L85 PathProgramCache]: Analyzing trace with hash -2014349959, now seen corresponding path program 1 times [2023-11-19 07:47:09,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:47:09,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [514572659] [2023-11-19 07:47:09,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:09,402 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 [2023-11-19 07:47:09,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:47:09,403 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:47:09,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:09,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 07:47:09,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:09,651 INFO L378 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 14 treesize of output 10 [2023-11-19 07:47:10,012 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:47:10,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 28 [2023-11-19 07:47:10,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:10,292 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:47:10,292 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:47:10,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [514572659] [2023-11-19 07:47:10,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [514572659] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:10,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:10,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-19 07:47:10,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262646534] [2023-11-19 07:47:10,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:10,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-19 07:47:10,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:47:10,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-19 07:47:10,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2023-11-19 07:47:10,296 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) [2023-11-19 07:47:11,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:11,280 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2023-11-19 07:47:11,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-19 07:47:11,281 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 [2023-11-19 07:47:11,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:11,281 INFO L225 Difference]: With dead ends: 16 [2023-11-19 07:47:11,281 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 07:47:11,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2023-11-19 07:47:11,284 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 16 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:11,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 33 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 07:47:11,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 07:47:11,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 07:47:11,286 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) [2023-11-19 07:47:11,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 07:47:11,286 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2023-11-19 07:47:11,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:11,287 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:47:11,287 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) [2023-11-19 07:47:11,287 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:47:11,287 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 07:47:11,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:47:11,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:11,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:11,494 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 07:47:11,600 INFO L899 garLoopResultBuilder]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2023-11-19 07:47:11,601 INFO L895 garLoopResultBuilder]: At program point L19-2(lines 19 23) the Hoare annotation is: (let ((.cse3 (fp.neg (_ +zero 11 53)))) (and (exists ((|v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64))) (let ((.cse2 (select |#memory_int| |v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10|))) (let ((.cse1 (select .cse2 (_ bv4 32)))) (and (= |ULTIMATE.start_main_~res~0#1| (let ((.cse0 (concat .cse1 (select .cse2 (_ bv0 32))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) (= (bvand ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|) (_ bv2147483647 32)) .cse1) (= .cse3 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_14|))))))) (exists ((|v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64))) (let ((.cse6 (select |#memory_int| |v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10|))) (let ((.cse4 (select .cse6 (_ bv4 32)))) (and (= (bvand ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|) (_ bv2147483647 32)) .cse4) (= |ULTIMATE.start_fabs_double_#res#1| (let ((.cse5 (concat .cse4 (select .cse6 (_ bv0 32))))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5)))) (= .cse3 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_14|))))))) |ULTIMATE.start_main_#t~short9#1| (exists ((|v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64))) (let ((.cse9 (select |#memory_int| |v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10|))) (let ((.cse7 (select .cse9 (_ bv4 32)))) (and (= (bvand ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|) (_ bv2147483647 32)) .cse7) (= (let ((.cse8 (concat .cse7 (select .cse9 (_ bv0 32))))) (fp ((_ extract 63 63) .cse8) ((_ extract 62 52) .cse8) ((_ extract 51 0) .cse8))) |ULTIMATE.start___signbit_double_~x#1|) (= .cse3 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_14|))))))) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_10| (_ BitVec 64))) (let ((.cse10 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|)))) (and (= .cse10 .cse3) (= |ULTIMATE.start_fabs_double_#res#1| (let ((.cse11 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_10|)))) (fp ((_ extract 63 63) .cse11) ((_ extract 62 52) .cse11) ((_ extract 51 0) .cse11)))) (= .cse10 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_10|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_10|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_10|)))))))) [2023-11-19 07:47:11,602 INFO L899 garLoopResultBuilder]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2023-11-19 07:47:11,602 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 43 59) no Hoare annotation was computed. [2023-11-19 07:47:11,602 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 07:47:11,602 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 07:47:11,602 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-11-19 07:47:11,603 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2023-11-19 07:47:11,603 INFO L899 garLoopResultBuilder]: For program point L53-2(lines 53 56) no Hoare annotation was computed. [2023-11-19 07:47:11,603 INFO L899 garLoopResultBuilder]: For program point __signbit_double_returnLabel#1(lines 16 26) no Hoare annotation was computed. [2023-11-19 07:47:11,603 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 07:47:11,603 INFO L899 garLoopResultBuilder]: For program point L29-1(lines 29 33) no Hoare annotation was computed. [2023-11-19 07:47:11,604 INFO L895 garLoopResultBuilder]: At program point L29-2(lines 29 33) the Hoare annotation is: (= |ULTIMATE.start_fabs_double_~x#1| (fp.neg (_ +zero 11 53))) [2023-11-19 07:47:11,604 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2023-11-19 07:47:11,604 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 07:47:11,604 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 39) no Hoare annotation was computed. [2023-11-19 07:47:11,605 INFO L895 garLoopResultBuilder]: At program point L34-1(lines 34 39) the Hoare annotation is: (and (= |ULTIMATE.start_fabs_double_~x#1| (fp.neg (_ +zero 11 53))) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64)) (|v_ULTIMATE.start_fabs_double_~#gh_u~1#1.base_8| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start_fabs_double_~#gh_u~1#1.base_8|) (_ bv4 32)))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|)) |ULTIMATE.start_fabs_double_~x#1|) (= .cse0 |ULTIMATE.start_fabs_double_~high~0#1|) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|) .cse0))))) [2023-11-19 07:47:11,605 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 34 39) no Hoare annotation was computed. [2023-11-19 07:47:11,605 INFO L899 garLoopResultBuilder]: For program point fabs_double_returnLabel#1(lines 27 41) no Hoare annotation was computed. [2023-11-19 07:47:11,609 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-19 07:47:11,612 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:47:11,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10 : bv32, v_skolemized_q#valueAsBitvector_14 : bv64 :: (~res~0 == ~fp~64((#memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][4bv32] ++ #memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][0bv32])[63:63], (#memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][4bv32] ++ #memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][0bv32])[62:52], (#memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][4bv32] ++ #memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][0bv32])[51:0]) && ~bvand~32(v_skolemized_q#valueAsBitvector_14[63:32], 2147483647bv32) == #memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][4bv32]) && ~fp.neg~64(~Pluszero~64()) == ~fp~64(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0])) could not be translated [2023-11-19 07:47:11,640 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10 : bv32, v_skolemized_q#valueAsBitvector_14 : bv64 :: (~bvand~32(v_skolemized_q#valueAsBitvector_14[63:32], 2147483647bv32) == #memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][4bv32] && #res == ~fp~64((#memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][4bv32] ++ #memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][0bv32])[63:63], (#memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][4bv32] ++ #memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][0bv32])[62:52], (#memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][4bv32] ++ #memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][0bv32])[51:0])) && ~fp.neg~64(~Pluszero~64()) == ~fp~64(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0])) could not be translated [2023-11-19 07:47:11,641 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short9 could not be translated [2023-11-19 07:47:11,641 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10 : bv32, v_skolemized_q#valueAsBitvector_14 : bv64 :: (~bvand~32(v_skolemized_q#valueAsBitvector_14[63:32], 2147483647bv32) == #memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][4bv32] && ~fp~64((#memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][4bv32] ++ #memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][0bv32])[63:63], (#memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][4bv32] ++ #memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][0bv32])[62:52], (#memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][4bv32] ++ #memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][0bv32])[51:0]) == ~x) && ~fp.neg~64(~Pluszero~64()) == ~fp~64(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0])) could not be translated [2023-11-19 07:47:11,642 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_9 : bv64, v_skolemized_q#valueAsBitvector_10 : bv64 :: (~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) == ~fp.neg~64(~Pluszero~64()) && #res == ~fp~64((~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_9[63:32]) ++ v_skolemized_q#valueAsBitvector_10[31:0])[63:63], (~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_9[63:32]) ++ v_skolemized_q#valueAsBitvector_10[31:0])[62:52], (~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_9[63:32]) ++ v_skolemized_q#valueAsBitvector_10[31:0])[51:0])) && ~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) == ~fp~64(v_skolemized_q#valueAsBitvector_10[63:63], v_skolemized_q#valueAsBitvector_10[62:52], v_skolemized_q#valueAsBitvector_10[51:0])) could not be translated [2023-11-19 07:47:11,650 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-19 07:47:11,657 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_9 : bv64, v_ULTIMATE.start_fabs_double_~#gh_u~1#1.base_8 : bv32 :: (~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) == ~x && #memory_int[v_ULTIMATE.start_fabs_double_~#gh_u~1#1.base_8][4bv32] == ~high~0) && v_skolemized_q#valueAsBitvector_9[63:32] == #memory_int[v_ULTIMATE.start_fabs_double_~#gh_u~1#1.base_8][4bv32]) could not be translated [2023-11-19 07:47:11,657 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-19 07:47:11,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:47:11 BoogieIcfgContainer [2023-11-19 07:47:11,658 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:47:11,658 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:47:11,659 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:47:11,659 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:47:11,659 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:07" (3/4) ... [2023-11-19 07:47:11,662 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:47:11,677 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 07:47:11,677 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 07:47:11,678 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-19 07:47:11,678 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:47:11,789 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:47:11,789 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:47:11,790 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:47:11,794 INFO L158 Benchmark]: Toolchain (without parser) took 4835.03ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 85.2MB in the beginning and 77.2MB in the end (delta: 8.1MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2023-11-19 07:47:11,794 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 75.5MB. Free memory is still 51.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:47:11,795 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.44ms. Allocated memory is still 109.1MB. Free memory was 85.2MB in the beginning and 73.6MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:47:11,795 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.72ms. Allocated memory is still 109.1MB. Free memory was 73.6MB in the beginning and 72.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:47:11,795 INFO L158 Benchmark]: Boogie Preprocessor took 36.67ms. Allocated memory is still 109.1MB. Free memory was 72.0MB in the beginning and 70.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:47:11,796 INFO L158 Benchmark]: RCFGBuilder took 519.43ms. Allocated memory is still 109.1MB. Free memory was 70.4MB in the beginning and 87.0MB in the end (delta: -16.6MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2023-11-19 07:47:11,796 INFO L158 Benchmark]: TraceAbstraction took 3834.48ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 86.5MB in the beginning and 82.2MB in the end (delta: 4.3MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2023-11-19 07:47:11,797 INFO L158 Benchmark]: Witness Printer took 131.94ms. Allocated memory is still 132.1MB. Free memory was 82.2MB in the beginning and 77.2MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:47:11,802 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 75.5MB. Free memory is still 51.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.44ms. Allocated memory is still 109.1MB. Free memory was 85.2MB in the beginning and 73.6MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.72ms. Allocated memory is still 109.1MB. Free memory was 73.6MB in the beginning and 72.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.67ms. Allocated memory is still 109.1MB. Free memory was 72.0MB in the beginning and 70.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 519.43ms. Allocated memory is still 109.1MB. Free memory was 70.4MB in the beginning and 87.0MB in the end (delta: -16.6MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3834.48ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 86.5MB in the beginning and 82.2MB in the end (delta: 4.3MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. * Witness Printer took 131.94ms. Allocated memory is still 132.1MB. Free memory was 82.2MB in the beginning and 77.2MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10 : bv32, v_skolemized_q#valueAsBitvector_14 : bv64 :: (~res~0 == ~fp~64((#memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][4bv32] ++ #memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][0bv32])[63:63], (#memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][4bv32] ++ #memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][0bv32])[62:52], (#memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][4bv32] ++ #memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][0bv32])[51:0]) && ~bvand~32(v_skolemized_q#valueAsBitvector_14[63:32], 2147483647bv32) == #memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][4bv32]) && ~fp.neg~64(~Pluszero~64()) == ~fp~64(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10 : bv32, v_skolemized_q#valueAsBitvector_14 : bv64 :: (~bvand~32(v_skolemized_q#valueAsBitvector_14[63:32], 2147483647bv32) == #memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][4bv32] && #res == ~fp~64((#memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][4bv32] ++ #memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][0bv32])[63:63], (#memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][4bv32] ++ #memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][0bv32])[62:52], (#memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][4bv32] ++ #memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][0bv32])[51:0])) && ~fp.neg~64(~Pluszero~64()) == ~fp~64(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10 : bv32, v_skolemized_q#valueAsBitvector_14 : bv64 :: (~bvand~32(v_skolemized_q#valueAsBitvector_14[63:32], 2147483647bv32) == #memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][4bv32] && ~fp~64((#memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][4bv32] ++ #memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][0bv32])[63:63], (#memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][4bv32] ++ #memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][0bv32])[62:52], (#memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][4bv32] ++ #memory_int[v_ULTIMATE.start_fabs_double_~#sh_u~0#1.base_10][0bv32])[51:0]) == ~x) && ~fp.neg~64(~Pluszero~64()) == ~fp~64(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_9 : bv64, v_skolemized_q#valueAsBitvector_10 : bv64 :: (~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) == ~fp.neg~64(~Pluszero~64()) && #res == ~fp~64((~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_9[63:32]) ++ v_skolemized_q#valueAsBitvector_10[31:0])[63:63], (~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_9[63:32]) ++ v_skolemized_q#valueAsBitvector_10[31:0])[62:52], (~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_9[63:32]) ++ v_skolemized_q#valueAsBitvector_10[31:0])[51:0])) && ~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) == ~fp~64(v_skolemized_q#valueAsBitvector_10[63:63], v_skolemized_q#valueAsBitvector_10[62:52], v_skolemized_q#valueAsBitvector_10[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_9 : bv64, v_ULTIMATE.start_fabs_double_~#gh_u~1#1.base_8 : bv32 :: (~fp~64(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) == ~x && #memory_int[v_ULTIMATE.start_fabs_double_~#gh_u~1#1.base_8][4bv32] == ~high~0) && v_skolemized_q#valueAsBitvector_9[63:32] == #memory_int[v_ULTIMATE.start_fabs_double_~#gh_u~1#1.base_8][4bv32]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 * 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: 54]: 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, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 85 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 51 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 90 IncrementalHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 34 mSDtfsCounter, 90 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 21, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 6 NumberOfFragments, 274 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 16 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 14 QuantifiedInterpolants, 679 SizeOfPredicates, 21 NumberOfNonLiveVariables, 149 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 19]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2023-11-19 07:47:11,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b2ee986-7c05-4000-a3fa-b21e97dc4b41/bin/uautomizer-verify-uCwYo4JHxu/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