./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0686a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/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_da767a31-378b-4d1b-aadf-6307675582bf/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0686a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/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_da767a31-378b-4d1b-aadf-6307675582bf/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 fcc84f5729a405b025bbab75fe7efe2bc29401fd0d2f9c28c1e0558462a5b433 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:54:32,556 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:54:32,620 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 06:54:32,625 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:54:32,626 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:54:32,648 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:54:32,649 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:54:32,649 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:54:32,650 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:54:32,651 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:54:32,651 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:54:32,652 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:54:32,653 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:54:32,653 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:54:32,654 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:54:32,654 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:54:32,655 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:54:32,655 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:54:32,656 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:54:32,656 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:54:32,657 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:54:32,657 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:54:32,658 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:54:32,658 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:54:32,659 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:54:32,659 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:54:32,659 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:54:32,660 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:54:32,660 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:54:32,661 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:54:32,661 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:54:32,661 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:54:32,662 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:54:32,662 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:54:32,662 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:54:32,663 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:54:32,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:54:32,663 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:54:32,663 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:54:32,663 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:54:32,664 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:54:32,664 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:54:32,664 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_da767a31-378b-4d1b-aadf-6307675582bf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcc84f5729a405b025bbab75fe7efe2bc29401fd0d2f9c28c1e0558462a5b433 [2023-11-29 06:54:32,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:54:32,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:54:32,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:54:32,903 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:54:32,903 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:54:32,904 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/float-newlib/double_req_bl_0686a.c [2023-11-29 06:54:35,617 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:54:35,788 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:54:35,789 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/sv-benchmarks/c/float-newlib/double_req_bl_0686a.c [2023-11-29 06:54:35,798 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/bin/uautomizer-verify-BQ2R08f2Ya/data/7fb2beab7/d8ea4ceded774641823a2c85f18d1643/FLAG7cef03ec1 [2023-11-29 06:54:35,811 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/bin/uautomizer-verify-BQ2R08f2Ya/data/7fb2beab7/d8ea4ceded774641823a2c85f18d1643 [2023-11-29 06:54:35,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:54:35,815 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:54:35,816 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:54:35,816 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:54:35,820 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:54:35,821 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:54:35" (1/1) ... [2023-11-29 06:54:35,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@378ae880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:35, skipping insertion in model container [2023-11-29 06:54:35,822 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:54:35" (1/1) ... [2023-11-29 06:54:35,850 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:54:36,028 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_da767a31-378b-4d1b-aadf-6307675582bf/sv-benchmarks/c/float-newlib/double_req_bl_0686a.c[6204,6217] [2023-11-29 06:54:36,032 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:54:36,044 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:54:36,092 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_da767a31-378b-4d1b-aadf-6307675582bf/sv-benchmarks/c/float-newlib/double_req_bl_0686a.c[6204,6217] [2023-11-29 06:54:36,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:54:36,110 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:54:36,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:36 WrapperNode [2023-11-29 06:54:36,111 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:54:36,112 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:54:36,112 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:54:36,112 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:54:36,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:36" (1/1) ... [2023-11-29 06:54:36,130 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:36" (1/1) ... [2023-11-29 06:54:36,164 INFO L138 Inliner]: procedures = 19, calls = 87, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 309 [2023-11-29 06:54:36,164 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:54:36,165 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:54:36,165 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:54:36,165 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:54:36,176 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:36" (1/1) ... [2023-11-29 06:54:36,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:36" (1/1) ... [2023-11-29 06:54:36,182 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:36" (1/1) ... [2023-11-29 06:54:36,205 INFO L175 MemorySlicer]: Split 58 memory accesses to 12 slices as follows [2, 3, 2, 2, 7, 7, 22, 2, 2, 3, 3, 3]. 38 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 0, 0, 4, 4, 11, 0, 0, 0, 0, 0]. The 10 writes are split as follows [0, 2, 1, 1, 0, 0, 0, 1, 1, 2, 1, 1]. [2023-11-29 06:54:36,206 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:36" (1/1) ... [2023-11-29 06:54:36,206 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:36" (1/1) ... [2023-11-29 06:54:36,228 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:36" (1/1) ... [2023-11-29 06:54:36,235 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:36" (1/1) ... [2023-11-29 06:54:36,239 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:36" (1/1) ... [2023-11-29 06:54:36,243 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:36" (1/1) ... [2023-11-29 06:54:36,251 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:54:36,252 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:54:36,252 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:54:36,252 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:54:36,253 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:36" (1/1) ... [2023-11-29 06:54:36,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:54:36,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:36,278 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:54:36,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:54:36,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:54:36,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:54:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 06:54:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 06:54:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 06:54:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 06:54:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 06:54:36,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-29 06:54:36,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-29 06:54:36,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-29 06:54:36,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-29 06:54:36,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-29 06:54:36,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-29 06:54:36,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 06:54:36,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-29 06:54:36,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-29 06:54:36,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-11-29 06:54:36,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-11-29 06:54:36,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-11-29 06:54:36,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2023-11-29 06:54:36,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2023-11-29 06:54:36,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2023-11-29 06:54:36,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2023-11-29 06:54:36,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2023-11-29 06:54:36,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2023-11-29 06:54:36,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2023-11-29 06:54:36,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 06:54:36,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 06:54:36,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 06:54:36,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 06:54:36,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 06:54:36,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-29 06:54:36,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-29 06:54:36,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-29 06:54:36,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-29 06:54:36,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-29 06:54:36,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-29 06:54:36,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-29 06:54:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2023-11-29 06:54:36,319 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2023-11-29 06:54:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-29 06:54:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-29 06:54:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-11-29 06:54:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-11-29 06:54:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2023-11-29 06:54:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2023-11-29 06:54:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2023-11-29 06:54:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2023-11-29 06:54:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2023-11-29 06:54:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2023-11-29 06:54:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2023-11-29 06:54:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2023-11-29 06:54:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2023-11-29 06:54:36,321 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2023-11-29 06:54:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:54:36,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:54:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 06:54:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 06:54:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 06:54:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 06:54:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 06:54:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-29 06:54:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-29 06:54:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-29 06:54:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-29 06:54:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-29 06:54:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-29 06:54:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-29 06:54:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-29 06:54:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-29 06:54:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2023-11-29 06:54:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2023-11-29 06:54:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2023-11-29 06:54:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2023-11-29 06:54:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2023-11-29 06:54:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2023-11-29 06:54:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2023-11-29 06:54:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2023-11-29 06:54:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2023-11-29 06:54:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2023-11-29 06:54:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 06:54:36,483 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:54:36,485 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:54:36,958 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:54:36,986 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:54:36,986 INFO L309 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-29 06:54:36,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:54:36 BoogieIcfgContainer [2023-11-29 06:54:36,987 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:54:36,989 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:54:36,989 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:54:36,993 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:54:36,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:54:35" (1/3) ... [2023-11-29 06:54:36,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370c36ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:54:36, skipping insertion in model container [2023-11-29 06:54:36,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:36" (2/3) ... [2023-11-29 06:54:36,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370c36ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:54:36, skipping insertion in model container [2023-11-29 06:54:36,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:54:36" (3/3) ... [2023-11-29 06:54:36,995 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0686a.c [2023-11-29 06:54:37,014 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:54:37,015 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 06:54:37,065 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:54:37,072 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;@61c69448, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:54:37,072 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 06:54:37,077 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 93 states have (on average 1.7741935483870968) internal successors, (165), 94 states have internal predecessors, (165), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 06:54:37,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-29 06:54:37,084 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:54:37,085 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:54:37,085 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:54:37,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:54:37,089 INFO L85 PathProgramCache]: Analyzing trace with hash 476158726, now seen corresponding path program 1 times [2023-11-29 06:54:37,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:54:37,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954283354] [2023-11-29 06:54:37,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:54:37,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:54:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:37,271 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 06:54:37,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:54:37,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954283354] [2023-11-29 06:54:37,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954283354] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:54:37,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:54:37,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:54:37,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005574725] [2023-11-29 06:54:37,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:54:37,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 06:54:37,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:54:37,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 06:54:37,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:54:37,310 INFO L87 Difference]: Start difference. First operand has 101 states, 93 states have (on average 1.7741935483870968) internal successors, (165), 94 states have internal predecessors, (165), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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 06:54:37,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:54:37,360 INFO L93 Difference]: Finished difference Result 201 states and 349 transitions. [2023-11-29 06:54:37,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 06:54:37,362 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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 13 [2023-11-29 06:54:37,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:54:37,370 INFO L225 Difference]: With dead ends: 201 [2023-11-29 06:54:37,370 INFO L226 Difference]: Without dead ends: 99 [2023-11-29 06:54:37,374 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 06:54:37,377 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:54:37,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:54:37,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-11-29 06:54:37,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2023-11-29 06:54:37,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 92 states have (on average 1.5869565217391304) internal successors, (146), 92 states have internal predecessors, (146), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 06:54:37,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 154 transitions. [2023-11-29 06:54:37,420 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 154 transitions. Word has length 13 [2023-11-29 06:54:37,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:54:37,421 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 154 transitions. [2023-11-29 06:54:37,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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 06:54:37,421 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 154 transitions. [2023-11-29 06:54:37,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-29 06:54:37,422 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:54:37,422 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:54:37,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 06:54:37,422 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:54:37,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:54:37,423 INFO L85 PathProgramCache]: Analyzing trace with hash -2000704369, now seen corresponding path program 1 times [2023-11-29 06:54:37,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:54:37,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217506873] [2023-11-29 06:54:37,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:54:37,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:54:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:37,716 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 06:54:37,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:54:37,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217506873] [2023-11-29 06:54:37,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217506873] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:54:37,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:54:37,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:54:37,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076552336] [2023-11-29 06:54:37,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:54:37,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:54:37,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:54:37,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:54:37,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:54:37,721 INFO L87 Difference]: Start difference. First operand 99 states and 154 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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 06:54:37,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:54:37,793 INFO L93 Difference]: Finished difference Result 188 states and 295 transitions. [2023-11-29 06:54:37,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:54:37,794 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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 06:54:37,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:54:37,796 INFO L225 Difference]: With dead ends: 188 [2023-11-29 06:54:37,796 INFO L226 Difference]: Without dead ends: 107 [2023-11-29 06:54:37,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:54:37,799 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 28 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:54:37,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 422 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:54:37,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-11-29 06:54:37,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 101. [2023-11-29 06:54:37,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 94 states have (on average 1.574468085106383) internal successors, (148), 94 states have internal predecessors, (148), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 06:54:37,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 156 transitions. [2023-11-29 06:54:37,812 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 156 transitions. Word has length 15 [2023-11-29 06:54:37,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:54:37,812 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 156 transitions. [2023-11-29 06:54:37,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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 06:54:37,812 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 156 transitions. [2023-11-29 06:54:37,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-29 06:54:37,813 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:54:37,813 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:54:37,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 06:54:37,814 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:54:37,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:54:37,814 INFO L85 PathProgramCache]: Analyzing trace with hash -2076032593, now seen corresponding path program 1 times [2023-11-29 06:54:37,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:54:37,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702230722] [2023-11-29 06:54:37,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:54:37,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:54:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:54:37,864 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:54:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:54:37,927 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:54:37,928 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 06:54:37,929 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 06:54:37,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 06:54:37,934 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-29 06:54:37,937 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:54:37,962 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet30 could not be translated [2023-11-29 06:54:37,964 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated [2023-11-29 06:54:37,964 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet30 could not be translated [2023-11-29 06:54:37,964 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated [2023-11-29 06:54:37,965 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet30 could not be translated [2023-11-29 06:54:37,965 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short34 could not be translated [2023-11-29 06:54:37,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:54:37 BoogieIcfgContainer [2023-11-29 06:54:37,976 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:54:37,977 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:54:37,977 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:54:37,977 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:54:37,977 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:54:36" (3/4) ... [2023-11-29 06:54:37,979 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 06:54:37,980 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:54:37,981 INFO L158 Benchmark]: Toolchain (without parser) took 2166.34ms. Allocated memory is still 138.4MB. Free memory was 102.0MB in the beginning and 79.9MB in the end (delta: 22.1MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2023-11-29 06:54:37,982 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory was 71.7MB in the beginning and 71.6MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:54:37,982 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.14ms. Allocated memory is still 138.4MB. Free memory was 101.5MB in the beginning and 86.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 06:54:37,983 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.62ms. Allocated memory is still 138.4MB. Free memory was 86.8MB in the beginning and 84.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:54:37,983 INFO L158 Benchmark]: Boogie Preprocessor took 86.14ms. Allocated memory is still 138.4MB. Free memory was 84.2MB in the beginning and 79.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 06:54:37,984 INFO L158 Benchmark]: RCFGBuilder took 735.03ms. Allocated memory is still 138.4MB. Free memory was 79.0MB in the beginning and 100.2MB in the end (delta: -21.2MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2023-11-29 06:54:37,984 INFO L158 Benchmark]: TraceAbstraction took 986.92ms. Allocated memory is still 138.4MB. Free memory was 99.3MB in the beginning and 79.9MB in the end (delta: 19.4MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2023-11-29 06:54:37,984 INFO L158 Benchmark]: Witness Printer took 3.77ms. Allocated memory is still 138.4MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:54:37,987 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory was 71.7MB in the beginning and 71.6MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.14ms. Allocated memory is still 138.4MB. Free memory was 101.5MB in the beginning and 86.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.62ms. Allocated memory is still 138.4MB. Free memory was 86.8MB in the beginning and 84.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.14ms. Allocated memory is still 138.4MB. Free memory was 84.2MB in the beginning and 79.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 735.03ms. Allocated memory is still 138.4MB. Free memory was 79.0MB in the beginning and 100.2MB in the end (delta: -21.2MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. * TraceAbstraction took 986.92ms. Allocated memory is still 138.4MB. Free memory was 99.3MB in the beginning and 79.9MB in the end (delta: 19.4MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * Witness Printer took 3.77ms. Allocated memory is still 138.4MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short34 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 258]: 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 257, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165. 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; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; [L252] double x = 1.0 / 0.0; [L253] double y = 1.0 / 0.0; [L255] CALL, EXPR __ieee754_atan2(y, x) [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] EXPR ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] EXPR (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] EXPR (lx) = ew_u.parts.lsw [L149-L154] { ieee_double_shape_type ew_u; ew_u.value = (x); (hx) = ew_u.parts.msw; (lx) = ew_u.parts.lsw; } VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1048575, lx=0, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, zero_atan2=0] [L155] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1048575, ix=2146435073, lx=0, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] EXPR ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] EXPR (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] EXPR (ly) = ew_u.parts.lsw [L156-L161] { ieee_double_shape_type ew_u; ew_u.value = (y); (hy) = ew_u.parts.msw; (ly) = ew_u.parts.lsw; } VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1048575, hy=-2147483648, ix=2146435073, lx=0, ly=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, zero_atan2=0] [L162] iy = hy & 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1048575, hy=-2147483648, ix=2146435073, iy=0, lx=0, ly=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, zero_atan2=0] [L163] EXPR lx | -lx VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1048575, hy=-2147483648, ix=2146435073, iy=0, lx=0, ly=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, zero_atan2=0] [L163] EXPR ix | ((lx | -lx) >> 31) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1048575, hy=-2147483648, ix=2146435073, iy=0, lx=0, ly=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, zero_atan2=0] [L163-L164] ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1048575, hy=-2147483648, ix=2146435073, iy=0, lx=0, ly=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1048575, hy=-2147483648, ix=2146435073, iy=0, lx=0, ly=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, zero_atan2=0] [L255] RET, EXPR __ieee754_atan2(y, x) [L255] double res = __ieee754_atan2(y, x); [L257] COND TRUE res != pi_o_4 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, zero_atan2=0] [L258] 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_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 101 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 571 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 274 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 297 mSDtfsCounter, 43 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=0, InterpolantAutomatonStates: 7, 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, 2 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 06:54:38,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/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_da767a31-378b-4d1b-aadf-6307675582bf/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0686a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/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_da767a31-378b-4d1b-aadf-6307675582bf/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 fcc84f5729a405b025bbab75fe7efe2bc29401fd0d2f9c28c1e0558462a5b433 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:54:39,966 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:54:40,038 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 06:54:40,045 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:54:40,045 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:54:40,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:54:40,074 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:54:40,074 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:54:40,075 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:54:40,076 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:54:40,076 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:54:40,077 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:54:40,078 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:54:40,078 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:54:40,079 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:54:40,079 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:54:40,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:54:40,080 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:54:40,081 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:54:40,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:54:40,082 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:54:40,086 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:54:40,087 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:54:40,087 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 06:54:40,088 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 06:54:40,088 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 06:54:40,089 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:54:40,089 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:54:40,090 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:54:40,090 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:54:40,091 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:54:40,091 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:54:40,091 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:54:40,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:54:40,092 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:54:40,092 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:54:40,092 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:54:40,092 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 06:54:40,093 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 06:54:40,093 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:54:40,093 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:54:40,093 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:54:40,094 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:54:40,094 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:54:40,094 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 06:54:40,094 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_da767a31-378b-4d1b-aadf-6307675582bf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcc84f5729a405b025bbab75fe7efe2bc29401fd0d2f9c28c1e0558462a5b433 [2023-11-29 06:54:40,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:54:40,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:54:40,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:54:40,396 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:54:40,396 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:54:40,398 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/float-newlib/double_req_bl_0686a.c [2023-11-29 06:54:43,202 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:54:43,382 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:54:43,382 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/sv-benchmarks/c/float-newlib/double_req_bl_0686a.c [2023-11-29 06:54:43,392 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/bin/uautomizer-verify-BQ2R08f2Ya/data/ee06bdc92/231f6a2ac81146108fa1e3b19d1d030c/FLAG178b6acf3 [2023-11-29 06:54:43,408 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/bin/uautomizer-verify-BQ2R08f2Ya/data/ee06bdc92/231f6a2ac81146108fa1e3b19d1d030c [2023-11-29 06:54:43,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:54:43,412 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:54:43,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:54:43,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:54:43,418 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:54:43,419 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:54:43" (1/1) ... [2023-11-29 06:54:43,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b784b65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:43, skipping insertion in model container [2023-11-29 06:54:43,421 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:54:43" (1/1) ... [2023-11-29 06:54:43,450 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:54:43,668 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_da767a31-378b-4d1b-aadf-6307675582bf/sv-benchmarks/c/float-newlib/double_req_bl_0686a.c[6204,6217] [2023-11-29 06:54:43,672 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:54:43,689 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:54:43,739 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_da767a31-378b-4d1b-aadf-6307675582bf/sv-benchmarks/c/float-newlib/double_req_bl_0686a.c[6204,6217] [2023-11-29 06:54:43,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:54:43,763 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:54:43,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:43 WrapperNode [2023-11-29 06:54:43,764 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:54:43,765 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:54:43,765 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:54:43,765 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:54:43,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:43" (1/1) ... [2023-11-29 06:54:43,788 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:43" (1/1) ... [2023-11-29 06:54:43,817 INFO L138 Inliner]: procedures = 22, calls = 87, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 222 [2023-11-29 06:54:43,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:54:43,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:54:43,818 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:54:43,818 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:54:43,829 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:43" (1/1) ... [2023-11-29 06:54:43,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:43" (1/1) ... [2023-11-29 06:54:43,837 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:43" (1/1) ... [2023-11-29 06:54:43,862 INFO L175 MemorySlicer]: Split 58 memory accesses to 12 slices as follows [2, 2, 3, 2, 7, 7, 22, 3, 2, 3, 3, 2]. 38 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [0, 2, 0, 0, 4, 4, 11, 0, 0, 0, 0, 0]. The 10 writes are split as follows [1, 0, 1, 1, 0, 0, 0, 2, 1, 2, 1, 1]. [2023-11-29 06:54:43,862 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:43" (1/1) ... [2023-11-29 06:54:43,863 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:43" (1/1) ... [2023-11-29 06:54:43,897 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:43" (1/1) ... [2023-11-29 06:54:43,903 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:43" (1/1) ... [2023-11-29 06:54:43,909 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:43" (1/1) ... [2023-11-29 06:54:43,913 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:43" (1/1) ... [2023-11-29 06:54:43,922 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:54:43,923 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:54:43,924 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:54:43,924 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:54:43,925 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:43" (1/1) ... [2023-11-29 06:54:43,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:54:43,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:54:43,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:54:43,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:54:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:54:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2023-11-29 06:54:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2023-11-29 06:54:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2023-11-29 06:54:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2023-11-29 06:54:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2023-11-29 06:54:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2023-11-29 06:54:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2023-11-29 06:54:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2023-11-29 06:54:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2023-11-29 06:54:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2023-11-29 06:54:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2023-11-29 06:54:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2023-11-29 06:54:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2023-11-29 06:54:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2023-11-29 06:54:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2023-11-29 06:54:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2023-11-29 06:54:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2023-11-29 06:54:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2023-11-29 06:54:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2023-11-29 06:54:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2023-11-29 06:54:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2023-11-29 06:54:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2023-11-29 06:54:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2023-11-29 06:54:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2023-11-29 06:54:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 06:54:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-29 06:54:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-29 06:54:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-29 06:54:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-29 06:54:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-11-29 06:54:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-11-29 06:54:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2023-11-29 06:54:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2023-11-29 06:54:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2023-11-29 06:54:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2023-11-29 06:54:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2023-11-29 06:54:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 06:54:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2023-11-29 06:54:43,999 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2023-11-29 06:54:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2023-11-29 06:54:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2023-11-29 06:54:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2023-11-29 06:54:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2023-11-29 06:54:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2023-11-29 06:54:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2023-11-29 06:54:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2023-11-29 06:54:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2023-11-29 06:54:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2023-11-29 06:54:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2023-11-29 06:54:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2023-11-29 06:54:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2023-11-29 06:54:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2023-11-29 06:54:44,000 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2023-11-29 06:54:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-29 06:54:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-29 06:54:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-29 06:54:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-29 06:54:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-11-29 06:54:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-11-29 06:54:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-11-29 06:54:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2023-11-29 06:54:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2023-11-29 06:54:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2023-11-29 06:54:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2023-11-29 06:54:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2023-11-29 06:54:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:54:44,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:54:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-29 06:54:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-29 06:54:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-29 06:54:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-29 06:54:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-11-29 06:54:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-11-29 06:54:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2023-11-29 06:54:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2023-11-29 06:54:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2023-11-29 06:54:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2023-11-29 06:54:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2023-11-29 06:54:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2023-11-29 06:54:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 06:54:44,161 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:54:44,163 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:55:21,752 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:55:21,816 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:55:21,816 INFO L309 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-29 06:55:21,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:55:21 BoogieIcfgContainer [2023-11-29 06:55:21,817 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:55:21,820 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:55:21,820 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:55:21,823 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:55:21,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:54:43" (1/3) ... [2023-11-29 06:55:21,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b520d2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:55:21, skipping insertion in model container [2023-11-29 06:55:21,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:54:43" (2/3) ... [2023-11-29 06:55:21,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b520d2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:55:21, skipping insertion in model container [2023-11-29 06:55:21,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:55:21" (3/3) ... [2023-11-29 06:55:21,826 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0686a.c [2023-11-29 06:55:21,844 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:55:21,844 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 06:55:21,891 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:55:21,898 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;@3684108f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:55:21,898 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 06:55:21,902 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 71 states have (on average 1.7464788732394365) internal successors, (124), 72 states have internal predecessors, (124), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 06:55:21,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-29 06:55:21,909 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:55:21,909 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:55:21,910 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:55:21,915 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:55:21,915 INFO L85 PathProgramCache]: Analyzing trace with hash -2134008556, now seen corresponding path program 1 times [2023-11-29 06:55:21,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:55:21,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [635767472] [2023-11-29 06:55:21,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:55:21,925 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 06:55:21,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:55:21,926 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/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 06:55:21,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/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 06:55:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:22,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 06:55:22,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:55:22,351 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 06:55:22,352 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:55:22,352 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:55:22,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [635767472] [2023-11-29 06:55:22,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [635767472] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:55:22,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:55:22,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:55:22,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034432180] [2023-11-29 06:55:22,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:55:22,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 06:55:22,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:55:22,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 06:55:22,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:55:22,390 INFO L87 Difference]: Start difference. First operand has 79 states, 71 states have (on average 1.7464788732394365) internal successors, (124), 72 states have internal predecessors, (124), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:55:22,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:55:22,620 INFO L93 Difference]: Finished difference Result 157 states and 267 transitions. [2023-11-29 06:55:22,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 06:55:22,622 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-29 06:55:22,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:55:22,631 INFO L225 Difference]: With dead ends: 157 [2023-11-29 06:55:22,631 INFO L226 Difference]: Without dead ends: 77 [2023-11-29 06:55:22,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:55:22,638 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:55:22,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:55:22,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-29 06:55:22,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-29 06:55:22,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 70 states have (on average 1.5) internal successors, (105), 70 states have internal predecessors, (105), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 06:55:22,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 113 transitions. [2023-11-29 06:55:22,682 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 113 transitions. Word has length 9 [2023-11-29 06:55:22,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:55:22,682 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 113 transitions. [2023-11-29 06:55:22,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:55:22,683 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 113 transitions. [2023-11-29 06:55:22,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-29 06:55:22,683 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:55:22,683 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:55:22,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/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 06:55:22,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/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 06:55:22,884 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:55:22,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:55:22,885 INFO L85 PathProgramCache]: Analyzing trace with hash -2040576483, now seen corresponding path program 1 times [2023-11-29 06:55:22,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:55:22,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [821982681] [2023-11-29 06:55:22,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:55:22,886 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 06:55:22,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:55:22,887 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/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 06:55:22,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/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 06:55:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:23,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-29 06:55:23,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:55:26,731 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 06:55:26,732 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:55:26,732 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:55:26,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [821982681] [2023-11-29 06:55:26,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [821982681] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:55:26,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:55:26,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:55:26,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739744645] [2023-11-29 06:55:26,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:55:26,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:55:26,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:55:26,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:55:26,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:55:26,736 INFO L87 Difference]: Start difference. First operand 77 states and 113 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:55:31,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:55:31,170 INFO L93 Difference]: Finished difference Result 89 states and 132 transitions. [2023-11-29 06:55:31,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 06:55:31,180 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-11-29 06:55:31,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:55:31,180 INFO L225 Difference]: With dead ends: 89 [2023-11-29 06:55:31,181 INFO L226 Difference]: Without dead ends: 22 [2023-11-29 06:55:31,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2023-11-29 06:55:31,183 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 89 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:55:31,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 26 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 06:55:31,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2023-11-29 06:55:31,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2023-11-29 06:55:31,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 21 states have internal predecessors, (25), 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 06:55:31,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2023-11-29 06:55:31,188 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 11 [2023-11-29 06:55:31,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:55:31,188 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2023-11-29 06:55:31,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:55:31,189 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2023-11-29 06:55:31,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-29 06:55:31,189 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:55:31,189 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:55:31,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/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 06:55:31,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/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 06:55:31,390 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:55:31,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:55:31,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1623330888, now seen corresponding path program 1 times [2023-11-29 06:55:31,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:55:31,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1482285723] [2023-11-29 06:55:31,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:55:31,391 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 06:55:31,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:55:31,392 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/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 06:55:31,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/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 06:55:31,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:31,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 06:55:31,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:55:35,075 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 06:55:35,080 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:55:35,081 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:55:35,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1482285723] [2023-11-29 06:55:35,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1482285723] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:55:35,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:55:35,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:55:35,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962243049] [2023-11-29 06:55:35,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:55:35,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:55:35,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:55:35,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:55:35,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:55:35,084 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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 06:55:40,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:55:40,265 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2023-11-29 06:55:40,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:55:40,279 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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 17 [2023-11-29 06:55:40,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:55:40,280 INFO L225 Difference]: With dead ends: 26 [2023-11-29 06:55:40,280 INFO L226 Difference]: Without dead ends: 22 [2023-11-29 06:55:40,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:55:40,282 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 14 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-11-29 06:55:40,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 48 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-11-29 06:55:40,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2023-11-29 06:55:40,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2023-11-29 06:55:40,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 21 states have internal predecessors, (24), 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 06:55:40,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2023-11-29 06:55:40,286 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 17 [2023-11-29 06:55:40,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:55:40,286 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2023-11-29 06:55:40,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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 06:55:40,286 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2023-11-29 06:55:40,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-29 06:55:40,287 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:55:40,287 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:55:40,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/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 06:55:40,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/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 06:55:40,488 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:55:40,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:55:40,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1214917450, now seen corresponding path program 1 times [2023-11-29 06:55:40,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:55:40,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [977581351] [2023-11-29 06:55:40,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:55:40,489 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 06:55:40,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:55:40,490 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/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 06:55:40,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/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 06:55:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:40,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 06:55:40,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:55:43,819 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 06:55:43,819 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:55:43,820 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:55:43,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [977581351] [2023-11-29 06:55:43,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [977581351] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:55:43,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:55:43,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:55:43,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126200149] [2023-11-29 06:55:43,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:55:43,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:55:43,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:55:43,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:55:43,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:55:43,822 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 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 06:55:47,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:55:47,037 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2023-11-29 06:55:47,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 06:55:47,037 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 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 18 [2023-11-29 06:55:47,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:55:47,037 INFO L225 Difference]: With dead ends: 22 [2023-11-29 06:55:47,037 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 06:55:47,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2023-11-29 06:55:47,039 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 27 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:55:47,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 16 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 06:55:47,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 06:55:47,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 06:55:47,041 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 06:55:47,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 06:55:47,041 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2023-11-29 06:55:47,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:55:47,041 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 06:55:47,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 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 06:55:47,041 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 06:55:47,041 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 06:55:47,044 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 06:55:47,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/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 06:55:47,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/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 06:55:47,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 06:55:48,299 INFO L899 garLoopResultBuilder]: For program point L26(lines 26 31) no Hoare annotation was computed. [2023-11-29 06:55:48,300 INFO L902 garLoopResultBuilder]: At program point L26-1(lines 26 31) the Hoare annotation is: true [2023-11-29 06:55:48,300 INFO L899 garLoopResultBuilder]: For program point fabs_doubleEXIT(lines 19 33) no Hoare annotation was computed. [2023-11-29 06:55:48,300 INFO L899 garLoopResultBuilder]: For program point L26-2(lines 26 31) no Hoare annotation was computed. [2023-11-29 06:55:48,300 INFO L899 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2023-11-29 06:55:48,300 INFO L902 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: true [2023-11-29 06:55:48,300 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 19 33) the Hoare annotation is: true [2023-11-29 06:55:48,300 INFO L902 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: true [2023-11-29 06:55:48,300 INFO L899 garLoopResultBuilder]: For program point L97-1(line 97) no Hoare annotation was computed. [2023-11-29 06:55:48,301 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 88) no Hoare annotation was computed. [2023-11-29 06:55:48,301 INFO L899 garLoopResultBuilder]: For program point L98(lines 98 114) no Hoare annotation was computed. [2023-11-29 06:55:48,301 INFO L899 garLoopResultBuilder]: For program point L90(lines 90 115) no Hoare annotation was computed. [2023-11-29 06:55:48,301 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2023-11-29 06:55:48,301 INFO L902 garLoopResultBuilder]: At program point L78-2(lines 78 82) the Hoare annotation is: true [2023-11-29 06:55:48,301 INFO L899 garLoopResultBuilder]: For program point L78-3(lines 76 89) no Hoare annotation was computed. [2023-11-29 06:55:48,301 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 113) no Hoare annotation was computed. [2023-11-29 06:55:48,301 INFO L899 garLoopResultBuilder]: For program point L107-2(lines 90 115) no Hoare annotation was computed. [2023-11-29 06:55:48,302 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 70 74) no Hoare annotation was computed. [2023-11-29 06:55:48,302 INFO L902 garLoopResultBuilder]: At program point L70-2(lines 70 74) the Hoare annotation is: true [2023-11-29 06:55:48,302 INFO L899 garLoopResultBuilder]: For program point L70-3(lines 70 74) no Hoare annotation was computed. [2023-11-29 06:55:48,302 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 105) no Hoare annotation was computed. [2023-11-29 06:55:48,302 INFO L899 garLoopResultBuilder]: For program point L128(lines 128 133) no Hoare annotation was computed. [2023-11-29 06:55:48,302 INFO L899 garLoopResultBuilder]: For program point L91(lines 91 94) no Hoare annotation was computed. [2023-11-29 06:55:48,302 INFO L899 garLoopResultBuilder]: For program point L91-2(lines 91 94) no Hoare annotation was computed. [2023-11-29 06:55:48,303 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 66 134) the Hoare annotation is: true [2023-11-29 06:55:48,303 INFO L899 garLoopResultBuilder]: For program point atan_doubleEXIT(lines 66 134) no Hoare annotation was computed. [2023-11-29 06:55:48,303 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 93) no Hoare annotation was computed. [2023-11-29 06:55:48,303 INFO L899 garLoopResultBuilder]: For program point L76(lines 76 89) no Hoare annotation was computed. [2023-11-29 06:55:48,303 INFO L899 garLoopResultBuilder]: For program point atan_doubleFINAL(lines 66 134) no Hoare annotation was computed. [2023-11-29 06:55:48,303 INFO L899 garLoopResultBuilder]: For program point L192(line 192) no Hoare annotation was computed. [2023-11-29 06:55:48,303 INFO L899 garLoopResultBuilder]: For program point L217(lines 217 220) no Hoare annotation was computed. [2023-11-29 06:55:48,303 INFO L899 garLoopResultBuilder]: For program point L217-2(lines 215 220) no Hoare annotation was computed. [2023-11-29 06:55:48,303 INFO L899 garLoopResultBuilder]: For program point L201(line 201) no Hoare annotation was computed. [2023-11-29 06:55:48,304 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 246 262) no Hoare annotation was computed. [2023-11-29 06:55:48,304 INFO L899 garLoopResultBuilder]: For program point L226-1(lines 226 230) no Hoare annotation was computed. [2023-11-29 06:55:48,304 INFO L895 garLoopResultBuilder]: At program point L226-2(lines 226 230) the Hoare annotation is: false [2023-11-29 06:55:48,304 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 209) no Hoare annotation was computed. [2023-11-29 06:55:48,304 INFO L899 garLoopResultBuilder]: For program point L185-1(lines 144 244) no Hoare annotation was computed. [2023-11-29 06:55:48,304 INFO L899 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2023-11-29 06:55:48,304 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 244) no Hoare annotation was computed. [2023-11-29 06:55:48,304 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2023-11-29 06:55:48,305 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 208) no Hoare annotation was computed. [2023-11-29 06:55:48,305 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2023-11-29 06:55:48,305 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 180) no Hoare annotation was computed. [2023-11-29 06:55:48,305 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 06:55:48,305 INFO L899 garLoopResultBuilder]: For program point L170-2(lines 144 244) no Hoare annotation was computed. [2023-11-29 06:55:48,305 INFO L895 garLoopResultBuilder]: At program point L220(line 220) the Hoare annotation is: false [2023-11-29 06:55:48,305 INFO L895 garLoopResultBuilder]: At program point L220-1(line 220) the Hoare annotation is: false [2023-11-29 06:55:48,305 INFO L899 garLoopResultBuilder]: For program point L220-2(line 220) no Hoare annotation was computed. [2023-11-29 06:55:48,306 INFO L899 garLoopResultBuilder]: For program point L163(lines 163 165) no Hoare annotation was computed. [2023-11-29 06:55:48,306 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2023-11-29 06:55:48,306 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2023-11-29 06:55:48,306 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2023-11-29 06:55:48,306 INFO L899 garLoopResultBuilder]: For program point L172-2(line 172) no Hoare annotation was computed. [2023-11-29 06:55:48,306 INFO L899 garLoopResultBuilder]: For program point L222(line 222) no Hoare annotation was computed. [2023-11-29 06:55:48,306 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 156 161) no Hoare annotation was computed. [2023-11-29 06:55:48,307 INFO L895 garLoopResultBuilder]: At program point L156-2(lines 156 161) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) ~tiny_atan2~0) (exists ((currentRoundingMode RoundingMode)) (let ((.cse0 (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) (and (= |ULTIMATE.start___ieee754_atan2_~x#1| .cse0) (= |ULTIMATE.start___ieee754_atan2_~y#1| .cse0)))) (exists ((|v_skolemized_q#valueAsBitvector_25| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (bvand ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_25|) (_ bv2147483647 32)) |ULTIMATE.start___ieee754_atan2_~ix~1#1|) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_25|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_25|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_25|)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) (= ~pi_o_4~0 ((_ to_fp 11 53) currentRoundingMode (/ 785398163397448279.0 1000000000000000000.0))) (= currentRoundingMode roundNearestTiesToEven) (exists ((|v_skolemized_q#valueAsBitvector_25| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_25|) |ULTIMATE.start___ieee754_atan2_~hx~1#1|) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_25|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_25|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_25|)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_25|) |ULTIMATE.start___ieee754_atan2_~lx~0#1|)))) [2023-11-29 06:55:48,307 INFO L899 garLoopResultBuilder]: For program point L156-3(lines 156 161) no Hoare annotation was computed. [2023-11-29 06:55:48,312 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 258) no Hoare annotation was computed. [2023-11-29 06:55:48,313 INFO L899 garLoopResultBuilder]: For program point L239(line 239) no Hoare annotation was computed. [2023-11-29 06:55:48,313 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2023-11-29 06:55:48,313 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 236) no Hoare annotation was computed. [2023-11-29 06:55:48,313 INFO L895 garLoopResultBuilder]: At program point L231-1(lines 231 236) the Hoare annotation is: false [2023-11-29 06:55:48,314 INFO L899 garLoopResultBuilder]: For program point L231-2(lines 231 236) no Hoare annotation was computed. [2023-11-29 06:55:48,314 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 06:55:48,314 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2023-11-29 06:55:48,314 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 220) no Hoare annotation was computed. [2023-11-29 06:55:48,314 INFO L899 garLoopResultBuilder]: For program point L149-1(lines 149 154) no Hoare annotation was computed. [2023-11-29 06:55:48,315 INFO L895 garLoopResultBuilder]: At program point L149-2(lines 149 154) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) ~tiny_atan2~0) (exists ((currentRoundingMode RoundingMode)) (let ((.cse0 (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) (and (= |ULTIMATE.start___ieee754_atan2_~x#1| .cse0) (= |ULTIMATE.start___ieee754_atan2_~y#1| .cse0)))) (= ~pi_o_4~0 ((_ to_fp 11 53) currentRoundingMode (/ 785398163397448279.0 1000000000000000000.0))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-29 06:55:48,315 INFO L899 garLoopResultBuilder]: For program point L149-3(lines 149 154) no Hoare annotation was computed. [2023-11-29 06:55:48,315 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2023-11-29 06:55:48,315 INFO L899 garLoopResultBuilder]: For program point L166(lines 166 167) no Hoare annotation was computed. [2023-11-29 06:55:48,315 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 260) no Hoare annotation was computed. [2023-11-29 06:55:48,315 INFO L899 garLoopResultBuilder]: For program point L224(line 224) no Hoare annotation was computed. [2023-11-29 06:55:48,315 INFO L899 garLoopResultBuilder]: For program point L241(line 241) no Hoare annotation was computed. [2023-11-29 06:55:48,316 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2023-11-29 06:55:48,316 INFO L895 garLoopResultBuilder]: At program point L167(line 167) the Hoare annotation is: false [2023-11-29 06:55:48,316 INFO L899 garLoopResultBuilder]: For program point L167-1(line 167) no Hoare annotation was computed. [2023-11-29 06:55:48,316 INFO L899 garLoopResultBuilder]: For program point L258(line 258) no Hoare annotation was computed. [2023-11-29 06:55:48,320 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-29 06:55:48,322 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:55:48,335 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) && ~y == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-29 06:55:48,336 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-29 06:55:48,338 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) && ~y == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-29 06:55:48,338 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_25 : bv64, currentRoundingMode : FloatRoundingMode :: ~bvand~32(v_skolemized_q#valueAsBitvector_25[63:32], 2147483647bv32) == ~ix~1 && ~fp~64(v_skolemized_q#valueAsBitvector_25[63:63], v_skolemized_q#valueAsBitvector_25[62:52], v_skolemized_q#valueAsBitvector_25[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated [2023-11-29 06:55:48,338 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-29 06:55:48,338 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_25 : bv64, currentRoundingMode : FloatRoundingMode :: (v_skolemized_q#valueAsBitvector_25[63:32] == ~hx~1 && ~fp~64(v_skolemized_q#valueAsBitvector_25[63:63], v_skolemized_q#valueAsBitvector_25[62:52], v_skolemized_q#valueAsBitvector_25[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) && v_skolemized_q#valueAsBitvector_25[31:0] == ~lx~0) could not be translated [2023-11-29 06:55:48,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:55:48 BoogieIcfgContainer [2023-11-29 06:55:48,339 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:55:48,340 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:55:48,340 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:55:48,340 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:55:48,341 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:55:21" (3/4) ... [2023-11-29 06:55:48,342 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 06:55:48,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2023-11-29 06:55:48,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_double [2023-11-29 06:55:48,354 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-11-29 06:55:48,355 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-29 06:55:48,356 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 06:55:48,357 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 06:55:48,474 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 06:55:48,474 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 06:55:48,474 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:55:48,475 INFO L158 Benchmark]: Toolchain (without parser) took 65063.35ms. Allocated memory is still 98.6MB. Free memory was 76.8MB in the beginning and 63.1MB in the end (delta: 13.7MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2023-11-29 06:55:48,475 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory was 39.4MB in the beginning and 39.3MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:55:48,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.94ms. Allocated memory is still 98.6MB. Free memory was 76.8MB in the beginning and 61.0MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 06:55:48,476 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.41ms. Allocated memory is still 98.6MB. Free memory was 61.0MB in the beginning and 58.5MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 06:55:48,477 INFO L158 Benchmark]: Boogie Preprocessor took 104.60ms. Allocated memory is still 98.6MB. Free memory was 58.5MB in the beginning and 75.0MB in the end (delta: -16.5MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2023-11-29 06:55:48,477 INFO L158 Benchmark]: RCFGBuilder took 37893.71ms. Allocated memory is still 98.6MB. Free memory was 75.0MB in the beginning and 67.9MB in the end (delta: 7.1MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2023-11-29 06:55:48,477 INFO L158 Benchmark]: TraceAbstraction took 26519.62ms. Allocated memory is still 98.6MB. Free memory was 67.4MB in the beginning and 70.2MB in the end (delta: -2.8MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2023-11-29 06:55:48,478 INFO L158 Benchmark]: Witness Printer took 134.79ms. Allocated memory is still 98.6MB. Free memory was 70.2MB in the beginning and 63.1MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 06:55:48,480 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory was 39.4MB in the beginning and 39.3MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.94ms. Allocated memory is still 98.6MB. Free memory was 76.8MB in the beginning and 61.0MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.41ms. Allocated memory is still 98.6MB. Free memory was 61.0MB in the beginning and 58.5MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.60ms. Allocated memory is still 98.6MB. Free memory was 58.5MB in the beginning and 75.0MB in the end (delta: -16.5MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * RCFGBuilder took 37893.71ms. Allocated memory is still 98.6MB. Free memory was 75.0MB in the beginning and 67.9MB in the end (delta: 7.1MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. * TraceAbstraction took 26519.62ms. Allocated memory is still 98.6MB. Free memory was 67.4MB in the beginning and 70.2MB in the end (delta: -2.8MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. * Witness Printer took 134.79ms. Allocated memory is still 98.6MB. Free memory was 70.2MB in the beginning and 63.1MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) && ~y == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64()) && ~y == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_25 : bv64, currentRoundingMode : FloatRoundingMode :: ~bvand~32(v_skolemized_q#valueAsBitvector_25[63:32], 2147483647bv32) == ~ix~1 && ~fp~64(v_skolemized_q#valueAsBitvector_25[63:63], v_skolemized_q#valueAsBitvector_25[62:52], v_skolemized_q#valueAsBitvector_25[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_25 : bv64, currentRoundingMode : FloatRoundingMode :: (v_skolemized_q#valueAsBitvector_25[63:32] == ~hx~1 && ~fp~64(v_skolemized_q#valueAsBitvector_25[63:63], v_skolemized_q#valueAsBitvector_25[62:52], v_skolemized_q#valueAsBitvector_25[51:0]) == ~fp.div~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0), ~Pluszero~64())) && v_skolemized_q#valueAsBitvector_25[31:0] == ~lx~0) could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 258]: 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 3 procedures, 79 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 26.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 130 SdHoareTripleChecker+Valid, 6.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 130 mSDsluCounter, 198 SdHoareTripleChecker+Invalid, 6.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 56 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 83 IncrementalHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 142 mSDtfsCounter, 83 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 35 PreInvPairs, 37 NumberOfFragments, 122 HoareAnnotationTreeSize, 35 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 20 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 9.7s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 51 ConstructedInterpolants, 19 QuantifiedInterpolants, 923 SizeOfPredicates, 32 NumberOfNonLiveVariables, 524 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-29 06:55:48,694 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-11-29 06:55:48,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da767a31-378b-4d1b-aadf-6307675582bf/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