./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0620a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0620a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya --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 86f4c48bd26ce0df301001b762b320097809bf71324092596b2b5e53d7dc1a20 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:16:28,855 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:16:28,920 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 01:16:28,924 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:16:28,925 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:16:28,955 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:16:28,956 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:16:28,956 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:16:28,957 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:16:28,958 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:16:28,958 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:16:28,959 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:16:28,959 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:16:28,960 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:16:28,960 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:16:28,961 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:16:28,968 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:16:28,968 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:16:28,968 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:16:28,969 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:16:28,969 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:16:28,970 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:16:28,970 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:16:28,970 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:16:28,971 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:16:28,971 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:16:28,972 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:16:28,972 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:16:28,972 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:16:28,973 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 01:16:28,973 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:16:28,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:16:28,974 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:16:28,974 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:16:28,974 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:16:28,974 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:16:28,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 01:16:28,975 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:16:28,975 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:16:28,975 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:16:28,975 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:16:28,976 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:16:28,976 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_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86f4c48bd26ce0df301001b762b320097809bf71324092596b2b5e53d7dc1a20 [2023-11-29 01:16:29,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:16:29,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:16:29,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:16:29,236 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:16:29,238 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:16:29,240 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/float-newlib/double_req_bl_0620a.c [2023-11-29 01:16:31,978 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:16:32,161 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:16:32,161 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/sv-benchmarks/c/float-newlib/double_req_bl_0620a.c [2023-11-29 01:16:32,175 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/data/3da579e85/d22d7f7439b14621916c803c2ba5c953/FLAG33e4a15a2 [2023-11-29 01:16:32,189 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/data/3da579e85/d22d7f7439b14621916c803c2ba5c953 [2023-11-29 01:16:32,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:16:32,193 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:16:32,194 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:16:32,194 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:16:32,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:16:32,199 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:16:32" (1/1) ... [2023-11-29 01:16:32,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a069af5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:16:32, skipping insertion in model container [2023-11-29 01:16:32,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:16:32" (1/1) ... [2023-11-29 01:16:32,223 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:16:32,385 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_99c00387-f286-45e0-8755-ac309fe9df99/sv-benchmarks/c/float-newlib/double_req_bl_0620a.c[3930,3943] [2023-11-29 01:16:32,390 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:16:32,403 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:16:32,439 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_99c00387-f286-45e0-8755-ac309fe9df99/sv-benchmarks/c/float-newlib/double_req_bl_0620a.c[3930,3943] [2023-11-29 01:16:32,439 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:16:32,457 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:16:32,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:16:32 WrapperNode [2023-11-29 01:16:32,457 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:16:32,458 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:16:32,458 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:16:32,459 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:16:32,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:16:32" (1/1) ... [2023-11-29 01:16:32,475 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:16:32" (1/1) ... [2023-11-29 01:16:32,505 INFO L138 Inliner]: procedures = 19, calls = 70, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 211 [2023-11-29 01:16:32,505 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:16:32,506 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:16:32,506 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:16:32,506 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:16:32,516 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:16:32" (1/1) ... [2023-11-29 01:16:32,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:16:32" (1/1) ... [2023-11-29 01:16:32,521 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:16:32" (1/1) ... [2023-11-29 01:16:32,539 INFO L175 MemorySlicer]: Split 49 memory accesses to 9 slices as follows [2, 2, 2, 7, 3, 7, 22, 2, 2]. 45 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 0, 4, 0, 4, 11, 0, 0]. The 6 writes are split as follows [0, 1, 1, 0, 2, 0, 0, 1, 1]. [2023-11-29 01:16:32,539 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:16:32" (1/1) ... [2023-11-29 01:16:32,540 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:16:32" (1/1) ... [2023-11-29 01:16:32,556 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:16:32" (1/1) ... [2023-11-29 01:16:32,560 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:16:32" (1/1) ... [2023-11-29 01:16:32,563 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:16:32" (1/1) ... [2023-11-29 01:16:32,566 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:16:32" (1/1) ... [2023-11-29 01:16:32,572 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:16:32,573 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:16:32,573 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:16:32,573 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:16:32,574 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:16:32" (1/1) ... [2023-11-29 01:16:32,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:16:32,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:16:32,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:16:32,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:16:32,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:16:32,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 01:16:32,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 01:16:32,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 01:16:32,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 01:16:32,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 01:16:32,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 01:16:32,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-29 01:16:32,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-29 01:16:32,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-29 01:16:32,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 01:16:32,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-29 01:16:32,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-29 01:16:32,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-11-29 01:16:32,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-11-29 01:16:32,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-11-29 01:16:32,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2023-11-29 01:16:32,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2023-11-29 01:16:32,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2023-11-29 01:16:32,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2023-11-29 01:16:32,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 01:16:32,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 01:16:32,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 01:16:32,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 01:16:32,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 01:16:32,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-29 01:16:32,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-29 01:16:32,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-29 01:16:32,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-29 01:16:32,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-29 01:16:32,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-29 01:16:32,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-11-29 01:16:32,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-11-29 01:16:32,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2023-11-29 01:16:32,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2023-11-29 01:16:32,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2023-11-29 01:16:32,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2023-11-29 01:16:32,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2023-11-29 01:16:32,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:16:32,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:16:32,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 01:16:32,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 01:16:32,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 01:16:32,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 01:16:32,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 01:16:32,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-29 01:16:32,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-29 01:16:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-29 01:16:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-29 01:16:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-29 01:16:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-29 01:16:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2023-11-29 01:16:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2023-11-29 01:16:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2023-11-29 01:16:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2023-11-29 01:16:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2023-11-29 01:16:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2023-11-29 01:16:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2023-11-29 01:16:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 01:16:32,801 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:16:32,803 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:16:33,061 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:16:33,099 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:16:33,099 INFO L309 CfgBuilder]: Removed 10 assume(true) statements. [2023-11-29 01:16:33,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:16:33 BoogieIcfgContainer [2023-11-29 01:16:33,100 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:16:33,102 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:16:33,103 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:16:33,106 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:16:33,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:16:32" (1/3) ... [2023-11-29 01:16:33,107 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7843e401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:16:33, skipping insertion in model container [2023-11-29 01:16:33,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:16:32" (2/3) ... [2023-11-29 01:16:33,107 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7843e401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:16:33, skipping insertion in model container [2023-11-29 01:16:33,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:16:33" (3/3) ... [2023-11-29 01:16:33,109 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0620a.c [2023-11-29 01:16:33,128 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:16:33,129 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 01:16:33,177 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:16:33,184 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;@1141af45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:16:33,184 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 01:16:33,189 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 31 states have (on average 1.7419354838709677) internal successors, (54), 32 states have internal predecessors, (54), 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) [2023-11-29 01:16:33,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-29 01:16:33,196 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:16:33,196 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:16:33,197 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:16:33,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:16:33,203 INFO L85 PathProgramCache]: Analyzing trace with hash 2077933369, now seen corresponding path program 1 times [2023-11-29 01:16:33,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:16:33,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790972122] [2023-11-29 01:16:33,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:16:33,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:16:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:16:33,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:16:33,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:16:33,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790972122] [2023-11-29 01:16:33,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790972122] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:16:33,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:16:33,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:16:33,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393783232] [2023-11-29 01:16:33,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:16:33,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 01:16:33,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:16:33,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 01:16:33,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 01:16:33,402 INFO L87 Difference]: Start difference. First operand has 33 states, 31 states have (on average 1.7419354838709677) internal successors, (54), 32 states have internal predecessors, (54), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:33,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:16:33,429 INFO L93 Difference]: Finished difference Result 65 states and 107 transitions. [2023-11-29 01:16:33,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 01:16:33,431 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-11-29 01:16:33,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:16:33,437 INFO L225 Difference]: With dead ends: 65 [2023-11-29 01:16:33,437 INFO L226 Difference]: Without dead ends: 31 [2023-11-29 01:16:33,440 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 [2023-11-29 01:16:33,443 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:16:33,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:16:33,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2023-11-29 01:16:33,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2023-11-29 01:16:33,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 30 states have internal predecessors, (41), 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) [2023-11-29 01:16:33,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 41 transitions. [2023-11-29 01:16:33,472 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 41 transitions. Word has length 10 [2023-11-29 01:16:33,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:16:33,473 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 41 transitions. [2023-11-29 01:16:33,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:16:33,473 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2023-11-29 01:16:33,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-29 01:16:33,473 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:16:33,473 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:16:33,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 01:16:33,474 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:16:33,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:16:33,475 INFO L85 PathProgramCache]: Analyzing trace with hash 174067387, now seen corresponding path program 1 times [2023-11-29 01:16:33,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:16:33,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419441254] [2023-11-29 01:16:33,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:16:33,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:16:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:16:33,543 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:16:33,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:16:33,608 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:16:33,609 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 01:16:33,610 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 01:16:33,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 01:16:33,615 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-29 01:16:33,617 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 01:16:33,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 01:16:33 BoogieIcfgContainer [2023-11-29 01:16:33,649 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 01:16:33,650 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 01:16:33,650 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 01:16:33,650 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 01:16:33,651 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:16:33" (3/4) ... [2023-11-29 01:16:33,653 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 01:16:33,654 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 01:16:33,655 INFO L158 Benchmark]: Toolchain (without parser) took 1462.25ms. Allocated memory is still 155.2MB. Free memory was 127.0MB in the beginning and 80.8MB in the end (delta: 46.2MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2023-11-29 01:16:33,656 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 119.5MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:16:33,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.43ms. Allocated memory is still 155.2MB. Free memory was 126.3MB in the beginning and 113.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 01:16:33,657 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.92ms. Allocated memory is still 155.2MB. Free memory was 113.8MB in the beginning and 111.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 01:16:33,657 INFO L158 Benchmark]: Boogie Preprocessor took 66.03ms. Allocated memory is still 155.2MB. Free memory was 111.1MB in the beginning and 107.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 01:16:33,658 INFO L158 Benchmark]: RCFGBuilder took 527.52ms. Allocated memory is still 155.2MB. Free memory was 107.6MB in the beginning and 115.6MB in the end (delta: -8.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 01:16:33,659 INFO L158 Benchmark]: TraceAbstraction took 547.10ms. Allocated memory is still 155.2MB. Free memory was 114.7MB in the beginning and 81.2MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-29 01:16:33,659 INFO L158 Benchmark]: Witness Printer took 4.16ms. Allocated memory is still 155.2MB. Free memory was 81.2MB in the beginning and 80.8MB in the end (delta: 370.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:16:33,663 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 119.5MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.43ms. Allocated memory is still 155.2MB. Free memory was 126.3MB in the beginning and 113.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.92ms. Allocated memory is still 155.2MB. Free memory was 113.8MB in the beginning and 111.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.03ms. Allocated memory is still 155.2MB. Free memory was 111.1MB in the beginning and 107.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 527.52ms. Allocated memory is still 155.2MB. Free memory was 107.6MB in the beginning and 115.6MB in the end (delta: -8.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 547.10ms. Allocated memory is still 155.2MB. Free memory was 114.7MB in the beginning and 81.2MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 4.16ms. Allocated memory is still 155.2MB. Free memory was 81.2MB in the beginning and 80.8MB in the end (delta: 370.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 161]: 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 160, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 84. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L156] double x = -0.0; [L157] CALL, EXPR atan_double(x) [L67] double w, s1, s2, z; [L68] __int32_t ix, hx, id; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003] [L71] ieee_double_shape_type gh_u; [L72] EXPR gh_u.value = (x) [L73] EXPR gh_u.parts.msw [L73] EXPR (hx) = gh_u.parts.msw [L70-L74] { ieee_double_shape_type gh_u; gh_u.value = (x); (hx) = gh_u.parts.msw; } VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1048575, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003] [L75] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1048575, ix=2146435073, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003] [L76] COND TRUE ix >= 0x44100000 [L77] __uint32_t low; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1048575, ix=2146435073, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003] [L79] ieee_double_shape_type gl_u; [L80] EXPR gl_u.value = (x) [L81] EXPR gl_u.parts.lsw [L81] EXPR (low) = gl_u.parts.lsw [L78-L82] { ieee_double_shape_type gl_u; gl_u.value = (x); (low) = gl_u.parts.lsw; } VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1048575, ix=2146435073, low=1, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003] [L83] COND TRUE ix > 0x7ff00000 || (ix == 0x7ff00000 && (low != 0)) [L84] return x + x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1048575, ix=2146435073, low=1, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003] [L157] RET, EXPR atan_double(x) [L157] double res = atan_double(x); [L160] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003] [L160] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L160] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L161] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 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, 39 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 39 mSDtfsCounter, 4 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=33occurred 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, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 [2023-11-29 01:16:33,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0620a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya --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 86f4c48bd26ce0df301001b762b320097809bf71324092596b2b5e53d7dc1a20 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:16:35,662 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:16:35,730 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 01:16:35,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:16:35,743 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:16:35,774 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:16:35,774 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:16:35,775 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:16:35,776 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:16:35,776 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:16:35,777 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:16:35,777 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:16:35,778 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:16:35,779 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:16:35,779 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:16:35,780 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:16:35,780 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:16:35,781 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:16:35,781 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:16:35,782 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:16:35,782 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:16:35,783 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:16:35,784 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:16:35,784 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 01:16:35,785 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 01:16:35,785 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 01:16:35,785 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:16:35,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:16:35,786 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:16:35,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:16:35,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:16:35,788 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 01:16:35,788 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:16:35,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:16:35,788 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:16:35,789 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:16:35,789 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:16:35,789 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 01:16:35,789 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 01:16:35,789 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:16:35,790 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:16:35,790 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:16:35,790 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:16:35,790 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:16:35,791 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 01:16:35,791 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_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86f4c48bd26ce0df301001b762b320097809bf71324092596b2b5e53d7dc1a20 [2023-11-29 01:16:36,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:16:36,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:16:36,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:16:36,113 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:16:36,113 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:16:36,115 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/float-newlib/double_req_bl_0620a.c [2023-11-29 01:16:38,859 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:16:39,058 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:16:39,059 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/sv-benchmarks/c/float-newlib/double_req_bl_0620a.c [2023-11-29 01:16:39,067 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/data/b4af833d2/9ca91b304097498386e62795b6555a5b/FLAG9b31440e9 [2023-11-29 01:16:39,083 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/data/b4af833d2/9ca91b304097498386e62795b6555a5b [2023-11-29 01:16:39,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:16:39,087 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:16:39,089 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:16:39,089 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:16:39,094 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:16:39,095 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:16:39" (1/1) ... [2023-11-29 01:16:39,096 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65aa3386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:16:39, skipping insertion in model container [2023-11-29 01:16:39,096 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:16:39" (1/1) ... [2023-11-29 01:16:39,123 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:16:39,308 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_99c00387-f286-45e0-8755-ac309fe9df99/sv-benchmarks/c/float-newlib/double_req_bl_0620a.c[3930,3943] [2023-11-29 01:16:39,312 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:16:39,330 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:16:39,371 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_99c00387-f286-45e0-8755-ac309fe9df99/sv-benchmarks/c/float-newlib/double_req_bl_0620a.c[3930,3943] [2023-11-29 01:16:39,372 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:16:39,393 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:16:39,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:16:39 WrapperNode [2023-11-29 01:16:39,394 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:16:39,395 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:16:39,395 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:16:39,395 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:16:39,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:16:39" (1/1) ... [2023-11-29 01:16:39,414 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:16:39" (1/1) ... [2023-11-29 01:16:39,444 INFO L138 Inliner]: procedures = 22, calls = 70, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 211 [2023-11-29 01:16:39,445 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:16:39,445 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:16:39,445 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:16:39,446 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:16:39,455 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:16:39" (1/1) ... [2023-11-29 01:16:39,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:16:39" (1/1) ... [2023-11-29 01:16:39,462 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:16:39" (1/1) ... [2023-11-29 01:16:39,494 INFO L175 MemorySlicer]: Split 49 memory accesses to 9 slices as follows [2, 3, 2, 7, 7, 2, 22, 2, 2]. 45 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 0, 4, 4, 0, 11, 0, 0]. The 6 writes are split as follows [0, 2, 1, 0, 0, 1, 0, 1, 1]. [2023-11-29 01:16:39,494 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:16:39" (1/1) ... [2023-11-29 01:16:39,495 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:16:39" (1/1) ... [2023-11-29 01:16:39,515 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:16:39" (1/1) ... [2023-11-29 01:16:39,521 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:16:39" (1/1) ... [2023-11-29 01:16:39,525 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:16:39" (1/1) ... [2023-11-29 01:16:39,529 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:16:39" (1/1) ... [2023-11-29 01:16:39,536 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:16:39,537 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:16:39,537 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:16:39,537 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:16:39,538 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:16:39" (1/1) ... [2023-11-29 01:16:39,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:16:39,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:16:39,572 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:16:39,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:16:39,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:16:39,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2023-11-29 01:16:39,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2023-11-29 01:16:39,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2023-11-29 01:16:39,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2023-11-29 01:16:39,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2023-11-29 01:16:39,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2023-11-29 01:16:39,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2023-11-29 01:16:39,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2023-11-29 01:16:39,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2023-11-29 01:16:39,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2023-11-29 01:16:39,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2023-11-29 01:16:39,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2023-11-29 01:16:39,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2023-11-29 01:16:39,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2023-11-29 01:16:39,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2023-11-29 01:16:39,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2023-11-29 01:16:39,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2023-11-29 01:16:39,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2023-11-29 01:16:39,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 01:16:39,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-29 01:16:39,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-29 01:16:39,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-29 01:16:39,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-29 01:16:39,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-11-29 01:16:39,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-11-29 01:16:39,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2023-11-29 01:16:39,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2023-11-29 01:16:39,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 01:16:39,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2023-11-29 01:16:39,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2023-11-29 01:16:39,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2023-11-29 01:16:39,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2023-11-29 01:16:39,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2023-11-29 01:16:39,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2023-11-29 01:16:39,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2023-11-29 01:16:39,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2023-11-29 01:16:39,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2023-11-29 01:16:39,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-29 01:16:39,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-29 01:16:39,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-29 01:16:39,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-29 01:16:39,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-11-29 01:16:39,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-11-29 01:16:39,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-11-29 01:16:39,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2023-11-29 01:16:39,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2023-11-29 01:16:39,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:16:39,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:16:39,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-29 01:16:39,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-29 01:16:39,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-29 01:16:39,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-29 01:16:39,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-11-29 01:16:39,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-11-29 01:16:39,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2023-11-29 01:16:39,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2023-11-29 01:16:39,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2023-11-29 01:16:39,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 01:16:39,772 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:16:39,775 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:17:12,404 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:17:12,484 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:17:12,485 INFO L309 CfgBuilder]: Removed 10 assume(true) statements. [2023-11-29 01:17:12,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:17:12 BoogieIcfgContainer [2023-11-29 01:17:12,485 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:17:12,488 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:17:12,488 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:17:12,491 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:17:12,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:16:39" (1/3) ... [2023-11-29 01:17:12,492 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@717678c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:17:12, skipping insertion in model container [2023-11-29 01:17:12,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:16:39" (2/3) ... [2023-11-29 01:17:12,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@717678c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:17:12, skipping insertion in model container [2023-11-29 01:17:12,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:17:12" (3/3) ... [2023-11-29 01:17:12,495 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0620a.c [2023-11-29 01:17:12,513 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:17:12,513 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 01:17:12,553 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:17:12,559 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;@301a1ab6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:17:12,559 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 01:17:12,562 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 31 states have (on average 1.7419354838709677) internal successors, (54), 32 states have internal predecessors, (54), 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) [2023-11-29 01:17:12,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-29 01:17:12,568 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:17:12,569 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:17:12,569 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:17:12,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:17:12,574 INFO L85 PathProgramCache]: Analyzing trace with hash 2077933369, now seen corresponding path program 1 times [2023-11-29 01:17:12,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:17:12,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1939807900] [2023-11-29 01:17:12,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:17:12,587 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 [2023-11-29 01:17:12,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:17:12,588 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 01:17:12,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 01:17:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:12,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 01:17:12,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:17:12,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:17:12,964 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:17:12,965 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 01:17:12,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1939807900] [2023-11-29 01:17:12,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1939807900] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:17:12,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:17:12,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:17:12,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605378248] [2023-11-29 01:17:12,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:17:12,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 01:17:12,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 01:17:12,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 01:17:12,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 01:17:13,000 INFO L87 Difference]: Start difference. First operand has 33 states, 31 states have (on average 1.7419354838709677) internal successors, (54), 32 states have internal predecessors, (54), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:13,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:17:13,181 INFO L93 Difference]: Finished difference Result 65 states and 107 transitions. [2023-11-29 01:17:13,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 01:17:13,184 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-11-29 01:17:13,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:17:13,193 INFO L225 Difference]: With dead ends: 65 [2023-11-29 01:17:13,193 INFO L226 Difference]: Without dead ends: 31 [2023-11-29 01:17:13,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 01:17:13,201 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:17:13,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 01:17:13,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2023-11-29 01:17:13,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2023-11-29 01:17:13,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 30 states have internal predecessors, (41), 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) [2023-11-29 01:17:13,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 41 transitions. [2023-11-29 01:17:13,243 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 41 transitions. Word has length 10 [2023-11-29 01:17:13,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:17:13,243 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 41 transitions. [2023-11-29 01:17:13,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:13,244 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2023-11-29 01:17:13,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-29 01:17:13,245 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:17:13,245 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:17:13,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 01:17:13,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 01:17:13,446 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:17:13,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:17:13,447 INFO L85 PathProgramCache]: Analyzing trace with hash 174067387, now seen corresponding path program 1 times [2023-11-29 01:17:13,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:17:13,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1411608949] [2023-11-29 01:17:13,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:17:13,448 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 [2023-11-29 01:17:13,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:17:13,449 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 01:17:13,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 01:17:13,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:13,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 01:17:13,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:17:14,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:17:14,767 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:17:14,767 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 01:17:14,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1411608949] [2023-11-29 01:17:14,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1411608949] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:17:14,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:17:14,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:17:14,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179123355] [2023-11-29 01:17:14,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:17:14,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 01:17:14,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 01:17:14,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 01:17:14,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:17:14,771 INFO L87 Difference]: Start difference. First operand 31 states and 41 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:22,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 01:17:25,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.87s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 01:17:29,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 01:17:29,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:17:29,602 INFO L93 Difference]: Finished difference Result 42 states and 53 transitions. [2023-11-29 01:17:29,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 01:17:29,603 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-29 01:17:29,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:17:29,603 INFO L225 Difference]: With dead ends: 42 [2023-11-29 01:17:29,603 INFO L226 Difference]: Without dead ends: 19 [2023-11-29 01:17:29,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:17:29,606 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 31 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:17:29,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 28 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 2 Unknown, 0 Unchecked, 14.3s Time] [2023-11-29 01:17:29,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2023-11-29 01:17:29,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-11-29 01:17:29,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 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) [2023-11-29 01:17:29,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2023-11-29 01:17:29,610 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 12 [2023-11-29 01:17:29,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:17:29,610 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2023-11-29 01:17:29,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:29,610 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2023-11-29 01:17:29,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-29 01:17:29,611 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:17:29,611 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:17:29,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/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)] Ended with exit code 0 [2023-11-29 01:17:29,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 01:17:29,812 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:17:29,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:17:29,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1363944650, now seen corresponding path program 1 times [2023-11-29 01:17:29,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:17:29,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [902087480] [2023-11-29 01:17:29,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:17:29,813 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 [2023-11-29 01:17:29,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:17:29,814 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 01:17:29,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 01:17:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:17:30,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 01:17:30,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:17:31,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:17:31,053 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:17:31,053 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 01:17:31,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [902087480] [2023-11-29 01:17:31,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [902087480] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:17:31,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:17:31,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:17:31,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751753748] [2023-11-29 01:17:31,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:17:31,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 01:17:31,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 01:17:31,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 01:17:31,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:17:31,055 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:17:38,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 01:17:42,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 01:17:46,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 01:17:48,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 01:17:53,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 01:17:57,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 01:18:01,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 01:18:01,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:18:01,961 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2023-11-29 01:18:01,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 01:18:01,961 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-29 01:18:01,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:18:01,962 INFO L225 Difference]: With dead ends: 30 [2023-11-29 01:18:01,962 INFO L226 Difference]: Without dead ends: 27 [2023-11-29 01:18:01,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:18:01,964 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 18 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:18:01,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 35 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 6 Unknown, 0 Unchecked, 30.5s Time] [2023-11-29 01:18:01,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-11-29 01:18:01,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 21. [2023-11-29 01:18:01,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.15) internal successors, (23), 20 states have internal predecessors, (23), 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) [2023-11-29 01:18:01,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2023-11-29 01:18:01,969 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 12 [2023-11-29 01:18:01,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:18:01,969 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2023-11-29 01:18:01,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:18:01,969 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2023-11-29 01:18:01,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-29 01:18:01,970 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:18:01,970 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:18:01,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/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)] Ended with exit code 0 [2023-11-29 01:18:02,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 01:18:02,171 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:18:02,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:18:02,172 INFO L85 PathProgramCache]: Analyzing trace with hash 907848520, now seen corresponding path program 1 times [2023-11-29 01:18:02,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:18:02,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1579176005] [2023-11-29 01:18:02,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:18:02,173 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 [2023-11-29 01:18:02,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:18:02,174 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 01:18:02,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-29 01:18:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:02,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 01:18:02,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:18:04,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:18:04,995 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:18:04,995 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 01:18:04,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1579176005] [2023-11-29 01:18:04,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1579176005] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:18:04,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:18:04,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:18:04,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636186165] [2023-11-29 01:18:04,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:18:04,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:18:04,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 01:18:04,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:18:04,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:18:04,999 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 7 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) [2023-11-29 01:18:13,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 01:18:18,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.80s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 01:18:22,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 01:18:26,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 01:18:30,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 01:18:34,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 01:18:37,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 01:18:42,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 01:18:46,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 01:18:51,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 01:18:54,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 01:18:55,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:18:55,555 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2023-11-29 01:18:55,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 01:18:55,556 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 7 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 [2023-11-29 01:18:55,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:18:55,557 INFO L225 Difference]: With dead ends: 27 [2023-11-29 01:18:55,557 INFO L226 Difference]: Without dead ends: 19 [2023-11-29 01:18:55,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2023-11-29 01:18:55,558 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 22 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 2 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:18:55,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 64 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 57 Invalid, 9 Unknown, 0 Unchecked, 49.2s Time] [2023-11-29 01:18:55,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2023-11-29 01:18:55,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-11-29 01:18:55,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 18 states have internal predecessors, (20), 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) [2023-11-29 01:18:55,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2023-11-29 01:18:55,562 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 15 [2023-11-29 01:18:55,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:18:55,562 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2023-11-29 01:18:55,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 7 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) [2023-11-29 01:18:55,562 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2023-11-29 01:18:55,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-29 01:18:55,563 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:18:55,563 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:18:55,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-11-29 01:18:55,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 01:18:55,764 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:18:55,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:18:55,764 INFO L85 PathProgramCache]: Analyzing trace with hash 8656622, now seen corresponding path program 1 times [2023-11-29 01:18:55,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:18:55,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [218393792] [2023-11-29 01:18:55,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:18:55,765 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 [2023-11-29 01:18:55,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:18:55,766 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 01:18:55,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/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 (6)] Waiting until timeout for monitored process [2023-11-29 01:18:59,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:18:59,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 01:18:59,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:19:01,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:19:01,983 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:19:01,983 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 01:19:01,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [218393792] [2023-11-29 01:19:01,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [218393792] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:19:01,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:19:01,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:19:01,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147023042] [2023-11-29 01:19:01,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:19:01,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:19:01,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 01:19:01,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:19:01,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:19:01,985 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 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) [2023-11-29 01:19:02,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:19:02,077 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2023-11-29 01:19:02,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:19:02,078 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 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 [2023-11-29 01:19:02,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:19:02,078 INFO L225 Difference]: With dead ends: 19 [2023-11-29 01:19:02,079 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 01:19:02,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:19:02,080 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:19:02,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:19:02,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 01:19:02,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 01:19:02,081 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) [2023-11-29 01:19:02,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 01:19:02,081 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2023-11-29 01:19:02,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:19:02,081 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 01:19:02,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 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) [2023-11-29 01:19:02,082 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 01:19:02,082 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 01:19:02,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 01:19:02,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/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 (6)] Ended with exit code 0 [2023-11-29 01:19:02,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 01:19:02,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 01:19:03,003 INFO L899 garLoopResultBuilder]: For program point atan_double_returnLabel#1(lines 66 134) no Hoare annotation was computed. [2023-11-29 01:19:03,004 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 88) no Hoare annotation was computed. [2023-11-29 01:19:03,004 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 148 166) no Hoare annotation was computed. [2023-11-29 01:19:03,004 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2023-11-29 01:19:03,004 INFO L899 garLoopResultBuilder]: For program point L160-2(lines 160 163) no Hoare annotation was computed. [2023-11-29 01:19:03,004 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2023-11-29 01:19:03,004 INFO L895 garLoopResultBuilder]: At program point L78-2(lines 78 82) the Hoare annotation is: false [2023-11-29 01:19:03,004 INFO L899 garLoopResultBuilder]: For program point L78-3(lines 76 89) no Hoare annotation was computed. [2023-11-29 01:19:03,004 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 70 74) no Hoare annotation was computed. [2023-11-29 01:19:03,005 INFO L895 garLoopResultBuilder]: At program point L70-2(lines 70 74) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode 1.0) ~one_atan~0) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_atan~0) (= |ULTIMATE.start_atan_double_~x#1| (fp.neg (_ +zero 11 53))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-29 01:19:03,005 INFO L899 garLoopResultBuilder]: For program point L70-3(lines 70 74) no Hoare annotation was computed. [2023-11-29 01:19:03,005 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2023-11-29 01:19:03,005 INFO L899 garLoopResultBuilder]: For program point L128(lines 128 133) no Hoare annotation was computed. [2023-11-29 01:19:03,005 INFO L899 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2023-11-29 01:19:03,005 INFO L895 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: false [2023-11-29 01:19:03,005 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 01:19:03,005 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 139 143) no Hoare annotation was computed. [2023-11-29 01:19:03,005 INFO L895 garLoopResultBuilder]: At program point L139-2(lines 139 143) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= .cse0 |ULTIMATE.start_atan_double_#res#1|) |ULTIMATE.start_main_#t~short29#1| (= .cse0 |ULTIMATE.start___signbit_double_~x#1|) (= |ULTIMATE.start_main_~res~0#1| .cse0))) [2023-11-29 01:19:03,005 INFO L899 garLoopResultBuilder]: For program point L139-3(lines 139 143) no Hoare annotation was computed. [2023-11-29 01:19:03,005 INFO L899 garLoopResultBuilder]: For program point L98(lines 98 114) no Hoare annotation was computed. [2023-11-29 01:19:03,005 INFO L899 garLoopResultBuilder]: For program point L90(lines 90 115) no Hoare annotation was computed. [2023-11-29 01:19:03,006 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 161) no Hoare annotation was computed. [2023-11-29 01:19:03,006 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 113) no Hoare annotation was computed. [2023-11-29 01:19:03,006 INFO L899 garLoopResultBuilder]: For program point L107-2(lines 90 115) no Hoare annotation was computed. [2023-11-29 01:19:03,006 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 105) no Hoare annotation was computed. [2023-11-29 01:19:03,006 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 01:19:03,006 INFO L899 garLoopResultBuilder]: For program point L91(lines 91 94) no Hoare annotation was computed. [2023-11-29 01:19:03,006 INFO L899 garLoopResultBuilder]: For program point L91-2(lines 91 94) no Hoare annotation was computed. [2023-11-29 01:19:03,006 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 93) no Hoare annotation was computed. [2023-11-29 01:19:03,006 INFO L899 garLoopResultBuilder]: For program point L26(lines 26 31) no Hoare annotation was computed. [2023-11-29 01:19:03,006 INFO L895 garLoopResultBuilder]: At program point L26-1(lines 26 31) the Hoare annotation is: false [2023-11-29 01:19:03,006 INFO L899 garLoopResultBuilder]: For program point L26-2(lines 26 31) no Hoare annotation was computed. [2023-11-29 01:19:03,007 INFO L899 garLoopResultBuilder]: For program point L76(lines 76 89) no Hoare annotation was computed. [2023-11-29 01:19:03,009 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-29 01:19:03,011 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 01:19:03,021 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-29 01:19:03,021 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-29 01:19:03,022 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-29 01:19:03,023 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short29 could not be translated [2023-11-29 01:19:03,023 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-29 01:19:03,023 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~res~0 [2023-11-29 01:19:03,023 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-29 01:19:03,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 01:19:03 BoogieIcfgContainer [2023-11-29 01:19:03,024 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 01:19:03,024 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 01:19:03,024 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 01:19:03,025 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 01:19:03,025 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:17:12" (3/4) ... [2023-11-29 01:19:03,027 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 01:19:03,043 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-29 01:19:03,043 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-29 01:19:03,044 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 01:19:03,045 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 01:19:03,171 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 01:19:03,171 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 01:19:03,171 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 01:19:03,172 INFO L158 Benchmark]: Toolchain (without parser) took 144084.81ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 48.4MB in the beginning and 70.9MB in the end (delta: -22.6MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2023-11-29 01:19:03,172 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 71.3MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:19:03,172 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.29ms. Allocated memory is still 71.3MB. Free memory was 48.1MB in the beginning and 34.4MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 01:19:03,173 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.12ms. Allocated memory is still 71.3MB. Free memory was 34.2MB in the beginning and 31.8MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 01:19:03,173 INFO L158 Benchmark]: Boogie Preprocessor took 90.91ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 31.8MB in the beginning and 77.2MB in the end (delta: -45.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 01:19:03,173 INFO L158 Benchmark]: RCFGBuilder took 32948.45ms. Allocated memory is still 100.7MB. Free memory was 77.2MB in the beginning and 75.2MB in the end (delta: 2.0MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2023-11-29 01:19:03,174 INFO L158 Benchmark]: TraceAbstraction took 110535.60ms. Allocated memory is still 100.7MB. Free memory was 74.1MB in the beginning and 56.6MB in the end (delta: 17.6MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2023-11-29 01:19:03,174 INFO L158 Benchmark]: Witness Printer took 147.18ms. Allocated memory is still 100.7MB. Free memory was 55.8MB in the beginning and 70.9MB in the end (delta: -15.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 01:19:03,176 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 71.3MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.29ms. Allocated memory is still 71.3MB. Free memory was 48.1MB in the beginning and 34.4MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.12ms. Allocated memory is still 71.3MB. Free memory was 34.2MB in the beginning and 31.8MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.91ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 31.8MB in the beginning and 77.2MB in the end (delta: -45.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 32948.45ms. Allocated memory is still 100.7MB. Free memory was 77.2MB in the beginning and 75.2MB in the end (delta: 2.0MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. * TraceAbstraction took 110535.60ms. Allocated memory is still 100.7MB. Free memory was 74.1MB in the beginning and 56.6MB in the end (delta: 17.6MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * Witness Printer took 147.18ms. Allocated memory is still 100.7MB. Free memory was 55.8MB in the beginning and 70.9MB in the end (delta: -15.1MB). 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: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short29 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~res~0 - 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: 161]: 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, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 110.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 96.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 17 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 94.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 71 mSDsluCounter, 171 SdHoareTripleChecker+Invalid, 90.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 97 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 108 IncrementalHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 74 mSDtfsCounter, 108 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, InterpolantAutomatonStates: 25, 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, 5 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 7 NumberOfFragments, 35 HoareAnnotationTreeSize, 5 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 4.8s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 59 ConstructedInterpolants, 5 QuantifiedInterpolants, 312 SizeOfPredicates, 27 NumberOfNonLiveVariables, 598 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 70]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2023-11-29 01:19:03,388 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-11-29 01:19:03,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c00387-f286-45e0-8755-ac309fe9df99/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE