./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1271a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1271a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a30f6768043f9b1bbb4a159ab9668e10bade1708373695265965e63885e716ba --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:32:25,768 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:32:25,859 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:32:25,867 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:32:25,868 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:32:25,907 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:32:25,911 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:32:25,912 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:32:25,914 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:32:25,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:32:25,921 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:32:25,923 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:32:25,923 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:32:25,926 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:32:25,927 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:32:25,927 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:32:25,928 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:32:25,928 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:32:25,929 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:32:25,932 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:32:25,932 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:32:25,933 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:32:25,934 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:32:25,936 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:32:25,936 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:32:25,937 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:32:25,937 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:32:25,938 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:32:25,939 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:32:25,939 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:32:25,941 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:32:25,941 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:32:25,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:32:25,942 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:32:25,942 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:32:25,943 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:32:25,943 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:32:25,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:32:25,944 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:32:25,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:32:25,945 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:32:25,946 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:32:25,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:32:25,946 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:32:25,947 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:32:25,948 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:32:25,948 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:32:25,948 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a30f6768043f9b1bbb4a159ab9668e10bade1708373695265965e63885e716ba [2023-11-23 20:32:26,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:32:26,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:32:26,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:32:26,374 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:32:26,375 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:32:26,377 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/float-newlib/float_req_bl_1271a.c [2023-11-23 20:32:30,389 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:32:30,850 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:32:30,851 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/sv-benchmarks/c/float-newlib/float_req_bl_1271a.c [2023-11-23 20:32:30,864 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/data/2474889f2/cdf1ac83094e4577af3111b937b7975f/FLAGa2b2b1091 [2023-11-23 20:32:30,887 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/data/2474889f2/cdf1ac83094e4577af3111b937b7975f [2023-11-23 20:32:30,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:32:30,900 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:32:30,907 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:30,907 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:32:30,914 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:32:30,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:30" (1/1) ... [2023-11-23 20:32:30,917 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4119807e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:30, skipping insertion in model container [2023-11-23 20:32:30,918 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:30" (1/1) ... [2023-11-23 20:32:30,982 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:32:31,279 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_a0a38349-8871-4277-b158-6cde3aad0544/sv-benchmarks/c/float-newlib/float_req_bl_1271a.c[4883,4896] [2023-11-23 20:32:31,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:31,297 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:32:31,417 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_a0a38349-8871-4277-b158-6cde3aad0544/sv-benchmarks/c/float-newlib/float_req_bl_1271a.c[4883,4896] [2023-11-23 20:32:31,427 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:31,452 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:32:31,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:31 WrapperNode [2023-11-23 20:32:31,453 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:31,455 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:32:31,455 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:32:31,456 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:32:31,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:31" (1/1) ... [2023-11-23 20:32:31,501 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:31" (1/1) ... [2023-11-23 20:32:31,562 INFO L138 Inliner]: procedures = 19, calls = 76, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 277 [2023-11-23 20:32:31,562 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:32:31,563 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:32:31,564 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:32:31,564 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:32:31,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:31" (1/1) ... [2023-11-23 20:32:31,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:31" (1/1) ... [2023-11-23 20:32:31,588 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:31" (1/1) ... [2023-11-23 20:32:31,593 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:31" (1/1) ... [2023-11-23 20:32:31,619 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:31" (1/1) ... [2023-11-23 20:32:31,642 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:31" (1/1) ... [2023-11-23 20:32:31,648 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:31" (1/1) ... [2023-11-23 20:32:31,655 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:31" (1/1) ... [2023-11-23 20:32:31,664 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:32:31,669 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:32:31,669 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:32:31,670 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:32:31,671 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:31" (1/1) ... [2023-11-23 20:32:31,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:32:31,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:32:31,716 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:32:31,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:32:31,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:32:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:32:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:32:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-23 20:32:31,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:32:31,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-23 20:32:31,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:32:31,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:32:31,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:32:31,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:32:31,790 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2023-11-23 20:32:31,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2023-11-23 20:32:31,940 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:32:31,945 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:32:32,541 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:32:32,821 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:32:32,822 INFO L309 CfgBuilder]: Removed 34 assume(true) statements. [2023-11-23 20:32:32,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:32 BoogieIcfgContainer [2023-11-23 20:32:32,826 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:32:32,834 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:32:32,834 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:32:32,839 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:32:32,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:32:30" (1/3) ... [2023-11-23 20:32:32,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d5b2e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:32:32, skipping insertion in model container [2023-11-23 20:32:32,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:31" (2/3) ... [2023-11-23 20:32:32,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d5b2e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:32:32, skipping insertion in model container [2023-11-23 20:32:32,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:32" (3/3) ... [2023-11-23 20:32:32,847 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271a.c [2023-11-23 20:32:32,873 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:32:32,873 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:32:32,945 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:32:32,959 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=FINITE_AUTOMATA, 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;@1a77fe93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:32:32,960 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:32:32,968 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 71 states have (on average 1.704225352112676) internal successors, (121), 72 states have internal predecessors, (121), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 20:32:32,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:32:32,982 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:32,984 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:32,984 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:32:32,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:33,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1684720822, now seen corresponding path program 1 times [2023-11-23 20:32:33,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:32:33,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254400743] [2023-11-23 20:32:33,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:33,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:32:33,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:33,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:32:33,320 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:32:33,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254400743] [2023-11-23 20:32:33,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254400743] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:32:33,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:32:33,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:32:33,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318442073] [2023-11-23 20:32:33,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:32:33,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:32:33,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:32:33,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:32:33,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:32:33,401 INFO L87 Difference]: Start difference. First operand has 76 states, 71 states have (on average 1.704225352112676) internal successors, (121), 72 states have internal predecessors, (121), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2023-11-23 20:32:33,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:32:33,520 INFO L93 Difference]: Finished difference Result 151 states and 251 transitions. [2023-11-23 20:32:33,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:32:33,524 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 14 [2023-11-23 20:32:33,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:32:33,539 INFO L225 Difference]: With dead ends: 151 [2023-11-23 20:32:33,540 INFO L226 Difference]: Without dead ends: 73 [2023-11-23 20:32:33,546 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 [2023-11-23 20:32:33,555 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 20:32:33,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 20:32:33,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-23 20:32:33,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-23 20:32:33,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 69 states have (on average 1.2028985507246377) internal successors, (83), 69 states have internal predecessors, (83), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 20:32:33,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 87 transitions. [2023-11-23 20:32:33,631 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 87 transitions. Word has length 14 [2023-11-23 20:32:33,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:32:33,632 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 87 transitions. [2023-11-23 20:32:33,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2023-11-23 20:32:33,633 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 87 transitions. [2023-11-23 20:32:33,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:32:33,637 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:33,638 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:33,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 20:32:33,639 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:32:33,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:33,642 INFO L85 PathProgramCache]: Analyzing trace with hash 2032653809, now seen corresponding path program 1 times [2023-11-23 20:32:33,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:32:33,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459663101] [2023-11-23 20:32:33,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:33,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:32:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:32:33,865 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:32:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:32:33,993 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:32:33,993 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:32:33,996 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:32:33,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 20:32:34,003 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-23 20:32:34,009 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:32:34,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:32:34 BoogieIcfgContainer [2023-11-23 20:32:34,064 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:32:34,065 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:32:34,065 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:32:34,065 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:32:34,066 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:32" (3/4) ... [2023-11-23 20:32:34,068 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:32:34,070 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:32:34,071 INFO L158 Benchmark]: Toolchain (without parser) took 3170.86ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 100.2MB in the beginning and 88.6MB in the end (delta: 11.6MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2023-11-23 20:32:34,073 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 104.9MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:32:34,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 547.25ms. Allocated memory is still 132.1MB. Free memory was 100.2MB in the beginning and 86.3MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:32:34,079 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.46ms. Allocated memory is still 132.1MB. Free memory was 86.3MB in the beginning and 83.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:32:34,083 INFO L158 Benchmark]: Boogie Preprocessor took 104.33ms. Allocated memory is still 132.1MB. Free memory was 83.7MB in the beginning and 81.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:32:34,084 INFO L158 Benchmark]: RCFGBuilder took 1157.73ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 81.1MB in the beginning and 128.4MB in the end (delta: -47.3MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2023-11-23 20:32:34,085 INFO L158 Benchmark]: TraceAbstraction took 1230.60ms. Allocated memory is still 163.6MB. Free memory was 127.3MB in the beginning and 88.6MB in the end (delta: 38.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-23 20:32:34,085 INFO L158 Benchmark]: Witness Printer took 5.17ms. Allocated memory is still 163.6MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:32:34,093 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 104.9MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 547.25ms. Allocated memory is still 132.1MB. Free memory was 100.2MB in the beginning and 86.3MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.46ms. Allocated memory is still 132.1MB. Free memory was 86.3MB in the beginning and 83.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.33ms. Allocated memory is still 132.1MB. Free memory was 83.7MB in the beginning and 81.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1157.73ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 81.1MB in the beginning and 128.4MB in the end (delta: -47.3MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1230.60ms. Allocated memory is still 163.6MB. Free memory was 127.3MB in the beginning and 88.6MB in the end (delta: 38.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 5.17ms. Allocated memory is still 163.6MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 241]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 213, overapproximation of someBinaryArithmeticFLOAToperation at line 120. Possible FailurePath: [L14] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L234] float x = 0.0f / 0.0f; [L235] float y = __VERIFIER_nondet_float(); [L237] CALL isfinite_float(y) [L217] __int32_t ix; VAL [\old(x)=251658251, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=251658251] [L219] ieee_float_shape_type gf_u; [L220] EXPR gf_u.value = (x) [L221] EXPR gf_u.word [L221] EXPR (ix) = gf_u.word [L218-L222] { ieee_float_shape_type gf_u; gf_u.value = (x); (ix) = gf_u.word; } VAL [\old(x)=251658251, ix=-8388609, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=251658251] [L223] ix &= 0x7fffffff [L224] return (((ix) < 0x7f800000L)); [L237] RET isfinite_float(y) [L237] COND TRUE isfinite_float(y) [L238] CALL, EXPR __ieee754_hypotf(x, y) [L84] float a = x, b = y, t1, t2, y1, y2, w; [L85] __int32_t j, k, ha, hb; VAL [\old(x)=251658251, \old(y)=251658251, a=251658251, b=251658251, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=251658251, y=251658251] [L88] ieee_float_shape_type gf_u; [L89] EXPR gf_u.value = (x) [L90] EXPR gf_u.word [L90] EXPR (ha) = gf_u.word [L87-L91] { ieee_float_shape_type gf_u; gf_u.value = (x); (ha) = gf_u.word; } VAL [\old(x)=251658251, \old(y)=251658251, a=251658251, b=251658251, ha=-1895825398, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=251658251, y=251658251] [L92] ha &= 0x7fffffffL VAL [\old(x)=251658251, \old(y)=251658251, a=251658251, b=251658251, ha=251658250, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=251658251, y=251658251] [L94] ieee_float_shape_type gf_u; [L95] EXPR gf_u.value = (y) [L96] EXPR gf_u.word [L96] EXPR (hb) = gf_u.word [L93-L97] { ieee_float_shape_type gf_u; gf_u.value = (y); (hb) = gf_u.word; } VAL [\old(x)=251658251, \old(y)=251658251, a=251658251, b=251658251, ha=251658250, hb=9, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=251658251, y=251658251] [L98] hb &= 0x7fffffffL [L99] COND FALSE !(hb > ha) [L106] a = x [L107] b = y VAL [\old(x)=251658251, \old(y)=251658251, a=251658251, b=251658251, ha=251658250, hb=9, j=9, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=251658251, y=251658251] [L110] ieee_float_shape_type sf_u; [L111] EXPR sf_u.word = (ha) [L112] EXPR sf_u.value [L112] EXPR (a) = sf_u.value [L109-L113] { ieee_float_shape_type sf_u; sf_u.word = (ha); (a) = sf_u.value; } VAL [\old(x)=251658251, \old(y)=251658251, a=251658253, b=251658251, ha=251658250, hb=9, j=9, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=251658251, y=251658251] [L115] ieee_float_shape_type sf_u; [L116] EXPR sf_u.word = (hb) [L117] EXPR sf_u.value [L117] EXPR (b) = sf_u.value [L114-L118] { ieee_float_shape_type sf_u; sf_u.word = (hb); (b) = sf_u.value; } VAL [\old(x)=251658251, \old(y)=251658251, a=251658253, b=251658252, ha=251658250, hb=9, j=9, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=251658251, y=251658251] [L119] COND TRUE (ha - hb) > 0xf000000L [L120] return a + b; VAL [\old(x)=251658251, \old(y)=251658251, a=251658253, b=251658252, ha=251658250, hb=9, j=9, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=251658251, y=251658251] [L238] RET, EXPR __ieee754_hypotf(x, y) [L238] float res = __ieee754_hypotf(x, y); [L240] CALL, EXPR isnan_float(res) [L213] return x != x; [L240] RET, EXPR isnan_float(res) [L240] COND TRUE !isnan_float(res) [L241] reach_error() VAL [one_sqrt=1, res=251658254, tiny_sqrt=1/1000000000000000000000000000000, x=251658251, y=251658251] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 80 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=76occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:32:34,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1271a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a30f6768043f9b1bbb4a159ab9668e10bade1708373695265965e63885e716ba --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:32:37,442 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:32:37,605 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 20:32:37,615 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:32:37,617 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:32:37,674 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:32:37,675 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:32:37,676 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:32:37,677 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:32:37,684 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:32:37,684 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:32:37,685 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:32:37,686 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:32:37,688 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:32:37,689 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:32:37,689 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:32:37,691 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:32:37,691 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:32:37,692 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:32:37,693 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:32:37,694 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:32:37,695 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:32:37,695 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:32:37,696 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:32:37,696 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:32:37,697 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:32:37,697 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:32:37,698 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:32:37,698 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:32:37,699 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:32:37,701 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:32:37,701 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:32:37,701 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:32:37,702 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:32:37,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:32:37,703 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:32:37,703 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:32:37,703 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:32:37,704 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:32:37,705 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:32:37,706 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:32:37,706 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:32:37,707 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:32:37,707 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:32:37,708 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a30f6768043f9b1bbb4a159ab9668e10bade1708373695265965e63885e716ba [2023-11-23 20:32:38,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:32:38,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:32:38,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:32:38,301 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:32:38,302 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:32:38,304 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/float-newlib/float_req_bl_1271a.c [2023-11-23 20:32:41,613 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:32:41,889 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:32:41,890 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/sv-benchmarks/c/float-newlib/float_req_bl_1271a.c [2023-11-23 20:32:41,911 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/data/11dbc9339/f1af107987af4fb6a8ac12dea1edddcc/FLAGcc04668c5 [2023-11-23 20:32:41,926 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/data/11dbc9339/f1af107987af4fb6a8ac12dea1edddcc [2023-11-23 20:32:41,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:32:41,936 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:32:41,938 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:41,938 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:32:41,942 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:32:41,943 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:41" (1/1) ... [2023-11-23 20:32:41,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d05b89d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:41, skipping insertion in model container [2023-11-23 20:32:41,944 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:41" (1/1) ... [2023-11-23 20:32:41,976 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:32:42,239 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_a0a38349-8871-4277-b158-6cde3aad0544/sv-benchmarks/c/float-newlib/float_req_bl_1271a.c[4883,4896] [2023-11-23 20:32:42,250 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:42,274 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:32:42,356 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_a0a38349-8871-4277-b158-6cde3aad0544/sv-benchmarks/c/float-newlib/float_req_bl_1271a.c[4883,4896] [2023-11-23 20:32:42,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:42,384 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:32:42,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:42 WrapperNode [2023-11-23 20:32:42,388 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:42,389 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:32:42,389 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:32:42,390 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:32:42,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:42" (1/1) ... [2023-11-23 20:32:42,442 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:42" (1/1) ... [2023-11-23 20:32:42,487 INFO L138 Inliner]: procedures = 22, calls = 76, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 276 [2023-11-23 20:32:42,487 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:32:42,488 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:32:42,508 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:32:42,509 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:32:42,519 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:42" (1/1) ... [2023-11-23 20:32:42,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:42" (1/1) ... [2023-11-23 20:32:42,542 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:42" (1/1) ... [2023-11-23 20:32:42,547 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:42" (1/1) ... [2023-11-23 20:32:42,579 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:42" (1/1) ... [2023-11-23 20:32:42,586 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:42" (1/1) ... [2023-11-23 20:32:42,603 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:42" (1/1) ... [2023-11-23 20:32:42,606 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:42" (1/1) ... [2023-11-23 20:32:42,612 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:32:42,613 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:32:42,613 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:32:42,613 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:32:42,614 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:42" (1/1) ... [2023-11-23 20:32:42,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:32:42,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:32:42,659 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:32:42,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:32:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:32:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:32:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:32:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-23 20:32:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:32:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:32:42,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:32:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-23 20:32:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:32:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:32:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2023-11-23 20:32:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2023-11-23 20:32:42,852 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:32:42,854 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:32:45,747 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:32:45,817 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:32:45,821 INFO L309 CfgBuilder]: Removed 34 assume(true) statements. [2023-11-23 20:32:45,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:45 BoogieIcfgContainer [2023-11-23 20:32:45,822 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:32:45,824 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:32:45,830 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:32:45,833 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:32:45,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:32:41" (1/3) ... [2023-11-23 20:32:45,834 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7768b549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:32:45, skipping insertion in model container [2023-11-23 20:32:45,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:42" (2/3) ... [2023-11-23 20:32:45,835 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7768b549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:32:45, skipping insertion in model container [2023-11-23 20:32:45,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:45" (3/3) ... [2023-11-23 20:32:45,837 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271a.c [2023-11-23 20:32:45,859 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:32:45,860 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:32:45,915 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:32:45,922 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=FINITE_AUTOMATA, 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;@45132944, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:32:45,922 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:32:45,926 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 82 states have (on average 1.7195121951219512) internal successors, (141), 83 states have internal predecessors, (141), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 20:32:45,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:32:45,933 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:45,934 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:45,935 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:32:45,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:45,940 INFO L85 PathProgramCache]: Analyzing trace with hash -483290476, now seen corresponding path program 1 times [2023-11-23 20:32:45,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:32:45,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [146588938] [2023-11-23 20:32:45,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:45,951 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 [2023-11-23 20:32:45,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:32:45,956 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:32:45,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:32:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:46,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:32:46,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:32:46,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:32:46,202 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:32:46,203 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:32:46,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [146588938] [2023-11-23 20:32:46,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [146588938] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:32:46,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:32:46,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:32:46,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907862791] [2023-11-23 20:32:46,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:32:46,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:32:46,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:32:46,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:32:46,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:32:46,259 INFO L87 Difference]: Start difference. First operand has 87 states, 82 states have (on average 1.7195121951219512) internal successors, (141), 83 states have internal predecessors, (141), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) [2023-11-23 20:32:46,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:32:46,339 INFO L93 Difference]: Finished difference Result 173 states and 291 transitions. [2023-11-23 20:32:46,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:32:46,342 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 [2023-11-23 20:32:46,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:32:46,351 INFO L225 Difference]: With dead ends: 173 [2023-11-23 20:32:46,352 INFO L226 Difference]: Without dead ends: 84 [2023-11-23 20:32:46,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:32:46,360 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 20:32:46,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 20:32:46,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-23 20:32:46,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-11-23 20:32:46,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 80 states have (on average 1.275) internal successors, (102), 80 states have internal predecessors, (102), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 20:32:46,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 106 transitions. [2023-11-23 20:32:46,408 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 106 transitions. Word has length 15 [2023-11-23 20:32:46,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:32:46,408 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 106 transitions. [2023-11-23 20:32:46,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) [2023-11-23 20:32:46,408 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 106 transitions. [2023-11-23 20:32:46,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:32:46,409 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:46,410 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:46,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:32:46,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:32:46,611 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:32:46,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:46,611 INFO L85 PathProgramCache]: Analyzing trace with hash -2076409375, now seen corresponding path program 1 times [2023-11-23 20:32:46,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:32:46,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [557606852] [2023-11-23 20:32:46,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:46,613 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 [2023-11-23 20:32:46,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:32:46,614 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:32:46,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:32:46,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:46,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:32:46,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:32:47,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:32:47,669 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:32:47,669 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:32:47,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [557606852] [2023-11-23 20:32:47,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [557606852] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:32:47,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:32:47,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 20:32:47,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182554199] [2023-11-23 20:32:47,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:32:47,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 20:32:47,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:32:47,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 20:32:47,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-23 20:32:47,675 INFO L87 Difference]: Start difference. First operand 84 states and 106 transitions. Second operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:32:49,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:32:49,478 INFO L93 Difference]: Finished difference Result 101 states and 128 transitions. [2023-11-23 20:32:49,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 20:32:49,480 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2023-11-23 20:32:49,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:32:49,481 INFO L225 Difference]: With dead ends: 101 [2023-11-23 20:32:49,481 INFO L226 Difference]: Without dead ends: 37 [2023-11-23 20:32:49,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2023-11-23 20:32:49,483 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 93 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-23 20:32:49,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 39 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-23 20:32:49,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2023-11-23 20:32:49,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35. [2023-11-23 20:32:49,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.088235294117647) internal successors, (37), 34 states have internal predecessors, (37), 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) [2023-11-23 20:32:49,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2023-11-23 20:32:49,493 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 20 [2023-11-23 20:32:49,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:32:49,494 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2023-11-23 20:32:49,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:32:49,494 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2023-11-23 20:32:49,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:32:49,495 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:49,495 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:49,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:32:49,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:32:49,701 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:32:49,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:49,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1396351005, now seen corresponding path program 1 times [2023-11-23 20:32:49,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:32:49,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1932686527] [2023-11-23 20:32:49,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:49,703 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 [2023-11-23 20:32:49,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:32:49,704 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:32:49,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:32:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:49,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 20:32:49,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:32:51,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:32:51,163 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:32:51,163 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:32:51,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1932686527] [2023-11-23 20:32:51,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1932686527] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:32:51,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:32:51,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 20:32:51,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745862257] [2023-11-23 20:32:51,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:32:51,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 20:32:51,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:32:51,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 20:32:51,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-23 20:32:51,167 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:32:53,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:32:53,198 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2023-11-23 20:32:53,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 20:32:53,199 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2023-11-23 20:32:53,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:32:53,202 INFO L225 Difference]: With dead ends: 39 [2023-11-23 20:32:53,203 INFO L226 Difference]: Without dead ends: 35 [2023-11-23 20:32:53,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2023-11-23 20:32:53,208 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 84 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 20:32:53,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 53 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 20:32:53,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2023-11-23 20:32:53,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2023-11-23 20:32:53,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.0588235294117647) internal successors, (36), 34 states have internal predecessors, (36), 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) [2023-11-23 20:32:53,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2023-11-23 20:32:53,220 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 20 [2023-11-23 20:32:53,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:32:53,220 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2023-11-23 20:32:53,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:32:53,221 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2023-11-23 20:32:53,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:32:53,222 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:53,222 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:53,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-23 20:32:53,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:32:53,427 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:32:53,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:53,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1525359170, now seen corresponding path program 1 times [2023-11-23 20:32:53,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:32:53,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [565579763] [2023-11-23 20:32:53,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:53,429 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 [2023-11-23 20:32:53,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:32:53,431 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:32:53,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:32:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:53,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:32:53,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:32:54,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:32:54,481 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:32:54,481 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:32:54,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [565579763] [2023-11-23 20:32:54,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [565579763] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:32:54,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:32:54,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-23 20:32:54,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226698036] [2023-11-23 20:32:54,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:32:54,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-23 20:32:54,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:32:54,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-23 20:32:54,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-11-23 20:32:54,485 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 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) [2023-11-23 20:32:55,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:32:55,635 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions. [2023-11-23 20:32:55,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 20:32:55,636 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 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) Word has length 25 [2023-11-23 20:32:55,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:32:55,637 INFO L225 Difference]: With dead ends: 40 [2023-11-23 20:32:55,637 INFO L226 Difference]: Without dead ends: 26 [2023-11-23 20:32:55,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2023-11-23 20:32:55,639 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 34 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-23 20:32:55,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 97 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-23 20:32:55,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2023-11-23 20:32:55,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2023-11-23 20:32:55,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.0) internal successors, (25), 25 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) [2023-11-23 20:32:55,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 25 transitions. [2023-11-23 20:32:55,646 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 25 transitions. Word has length 25 [2023-11-23 20:32:55,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:32:55,647 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 25 transitions. [2023-11-23 20:32:55,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 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) [2023-11-23 20:32:55,647 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 25 transitions. [2023-11-23 20:32:55,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:32:55,648 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:55,649 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:55,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-23 20:32:55,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:32:55,855 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:32:55,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:55,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1758490876, now seen corresponding path program 1 times [2023-11-23 20:32:55,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:32:55,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1830251543] [2023-11-23 20:32:55,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:55,857 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 [2023-11-23 20:32:55,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:32:55,858 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:32:55,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-23 20:32:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:56,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:32:56,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:32:58,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:32:58,662 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:32:58,663 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:32:58,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1830251543] [2023-11-23 20:32:58,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1830251543] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:32:58,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:32:58,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-23 20:32:58,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967864150] [2023-11-23 20:32:58,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:32:58,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-23 20:32:58,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:32:58,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-23 20:32:58,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-23 20:32:58,665 INFO L87 Difference]: Start difference. First operand 26 states and 25 transitions. Second operand has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 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) [2023-11-23 20:33:08,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:08,738 INFO L93 Difference]: Finished difference Result 26 states and 25 transitions. [2023-11-23 20:33:08,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 20:33:08,739 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 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) Word has length 25 [2023-11-23 20:33:08,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:08,739 INFO L225 Difference]: With dead ends: 26 [2023-11-23 20:33:08,739 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 20:33:08,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2023-11-23 20:33:08,741 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 14 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:08,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 70 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-23 20:33:08,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 20:33:08,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 20:33:08,742 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) [2023-11-23 20:33:08,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 20:33:08,742 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2023-11-23 20:33:08,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:08,743 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 20:33:08,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 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) [2023-11-23 20:33:08,743 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 20:33:08,743 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:33:08,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:33:08,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:08,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:33:08,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 20:33:10,565 INFO L895 garLoopResultBuilder]: At program point L184(line 184) the Hoare annotation is: false [2023-11-23 20:33:10,565 INFO L899 garLoopResultBuilder]: For program point L184-1(line 184) no Hoare annotation was computed. [2023-11-23 20:33:10,565 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 151 155) no Hoare annotation was computed. [2023-11-23 20:33:10,566 INFO L895 garLoopResultBuilder]: At program point L151-2(lines 151 155) the Hoare annotation is: false [2023-11-23 20:33:10,566 INFO L899 garLoopResultBuilder]: For program point L151-3(lines 151 155) no Hoare annotation was computed. [2023-11-23 20:33:10,566 INFO L899 garLoopResultBuilder]: For program point L168(lines 168 172) no Hoare annotation was computed. [2023-11-23 20:33:10,566 INFO L895 garLoopResultBuilder]: At program point L168-1(lines 168 172) the Hoare annotation is: false [2023-11-23 20:33:10,566 INFO L899 garLoopResultBuilder]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2023-11-23 20:33:10,567 INFO L895 garLoopResultBuilder]: At program point L218-2(lines 218 222) the Hoare annotation is: (and (= |ULTIMATE.start_isfinite_float_~x#1| |ULTIMATE.start_main_~y~0#1|) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) |ULTIMATE.start_main_~x~0#1|)) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-23 20:33:10,567 INFO L899 garLoopResultBuilder]: For program point L218-3(lines 218 222) no Hoare annotation was computed. [2023-11-23 20:33:10,567 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 202 206) no Hoare annotation was computed. [2023-11-23 20:33:10,567 INFO L895 garLoopResultBuilder]: At program point L202-2(lines 202 206) the Hoare annotation is: false [2023-11-23 20:33:10,567 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 136 140) no Hoare annotation was computed. [2023-11-23 20:33:10,567 INFO L899 garLoopResultBuilder]: For program point L202-3(lines 202 206) no Hoare annotation was computed. [2023-11-23 20:33:10,568 INFO L895 garLoopResultBuilder]: At program point L136-2(lines 136 140) the Hoare annotation is: false [2023-11-23 20:33:10,568 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 87 91) no Hoare annotation was computed. [2023-11-23 20:33:10,568 INFO L895 garLoopResultBuilder]: At program point L87-2(lines 87 91) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30| (_ BitVec 32))) (and (= (let ((.cse0 (bvand |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30| (_ bv2147483647 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) |ULTIMATE.start___ieee754_hypotf_~a~0#1|) (= (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30|)) (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))))) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_hypotf_~x#1| (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) |ULTIMATE.start_main_~x~0#1|)) (= currentRoundingMode roundNearestTiesToEven) (exists ((|v_ULTIMATE.start_isfinite_float_~ix~1#1_15| (_ BitVec 32))) (and (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|)) |ULTIMATE.start___ieee754_hypotf_~y#1|)))) [2023-11-23 20:33:10,568 INFO L899 garLoopResultBuilder]: For program point L87-3(lines 87 91) no Hoare annotation was computed. [2023-11-23 20:33:10,569 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 187 191) no Hoare annotation was computed. [2023-11-23 20:33:10,569 INFO L895 garLoopResultBuilder]: At program point L187-2(lines 187 191) the Hoare annotation is: false [2023-11-23 20:33:10,569 INFO L899 garLoopResultBuilder]: For program point L187-3(lines 187 191) no Hoare annotation was computed. [2023-11-23 20:33:10,569 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 244) no Hoare annotation was computed. [2023-11-23 20:33:10,569 INFO L899 garLoopResultBuilder]: For program point L237-2(lines 237 244) no Hoare annotation was computed. [2023-11-23 20:33:10,569 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 146) no Hoare annotation was computed. [2023-11-23 20:33:10,570 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 83 210) no Hoare annotation was computed. [2023-11-23 20:33:10,570 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 20:33:10,570 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 131) no Hoare annotation was computed. [2023-11-23 20:33:10,570 INFO L899 garLoopResultBuilder]: For program point L240(lines 240 243) no Hoare annotation was computed. [2023-11-23 20:33:10,570 INFO L899 garLoopResultBuilder]: For program point L141(lines 141 145) no Hoare annotation was computed. [2023-11-23 20:33:10,570 INFO L895 garLoopResultBuilder]: At program point L141-1(lines 141 145) the Hoare annotation is: false [2023-11-23 20:33:10,571 INFO L899 garLoopResultBuilder]: For program point L241(line 241) no Hoare annotation was computed. [2023-11-23 20:33:10,571 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 113) no Hoare annotation was computed. [2023-11-23 20:33:10,571 INFO L895 garLoopResultBuilder]: At program point L109-1(lines 109 113) the Hoare annotation is: (let ((.cse1 (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))) (and (exists ((|v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30| (_ BitVec 32))) (and (= (let ((.cse0 (bvand |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30| (_ bv2147483647 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) |ULTIMATE.start___ieee754_hypotf_~a~0#1|) (= (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30|)) .cse1))) (exists ((|v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_31| (_ BitVec 32))) (and (exists ((|v_ULTIMATE.start_isfinite_float_~ix~1#1_15| (_ BitVec 32))) (and (= (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|)) (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_31|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_31|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_31|))) (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) (_ bv2139095040 32)))) (= |ULTIMATE.start___ieee754_hypotf_~hb~0#1| (bvand (_ bv2147483647 32) |v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_31|)))) (exists ((|v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30| (_ BitVec 32))) (and (= (bvand |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30| (_ bv2147483647 32)) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|) (= (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30|)) .cse1))) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_hypotf_~x#1| (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) |ULTIMATE.start_main_~x~0#1|)) (= currentRoundingMode roundNearestTiesToEven) (exists ((|v_ULTIMATE.start_isfinite_float_~ix~1#1_15| (_ BitVec 32))) (and (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|)) |ULTIMATE.start___ieee754_hypotf_~y#1|))))) [2023-11-23 20:33:10,571 INFO L899 garLoopResultBuilder]: For program point L126(lines 126 127) no Hoare annotation was computed. [2023-11-23 20:33:10,572 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 93 97) no Hoare annotation was computed. [2023-11-23 20:33:10,572 INFO L899 garLoopResultBuilder]: For program point L126-2(lines 124 131) no Hoare annotation was computed. [2023-11-23 20:33:10,572 INFO L895 garLoopResultBuilder]: At program point L93-2(lines 93 97) the Hoare annotation is: (let ((.cse1 (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))) (and (exists ((|v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30| (_ BitVec 32))) (and (= (let ((.cse0 (bvand |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30| (_ bv2147483647 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) |ULTIMATE.start___ieee754_hypotf_~a~0#1|) (= (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30|)) .cse1))) (exists ((|v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30| (_ BitVec 32))) (and (= (bvand |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30| (_ bv2147483647 32)) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|) (= (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30|)) .cse1))) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_hypotf_~x#1| (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) |ULTIMATE.start_main_~x~0#1|)) (= currentRoundingMode roundNearestTiesToEven) (exists ((|v_ULTIMATE.start_isfinite_float_~ix~1#1_15| (_ BitVec 32))) (and (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|)) |ULTIMATE.start___ieee754_hypotf_~y#1|))))) [2023-11-23 20:33:10,572 INFO L899 garLoopResultBuilder]: For program point L93-3(lines 93 97) no Hoare annotation was computed. [2023-11-23 20:33:10,573 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 227 247) no Hoare annotation was computed. [2023-11-23 20:33:10,573 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 193 197) no Hoare annotation was computed. [2023-11-23 20:33:10,573 INFO L895 garLoopResultBuilder]: At program point L193-2(lines 193 197) the Hoare annotation is: false [2023-11-23 20:33:10,573 INFO L899 garLoopResultBuilder]: For program point L193-3(lines 193 197) no Hoare annotation was computed. [2023-11-23 20:33:10,573 INFO L899 garLoopResultBuilder]: For program point L177(lines 177 200) no Hoare annotation was computed. [2023-11-23 20:33:10,574 INFO L899 garLoopResultBuilder]: For program point L177-2(lines 83 210) no Hoare annotation was computed. [2023-11-23 20:33:10,574 INFO L899 garLoopResultBuilder]: For program point L128-1(lines 128 129) no Hoare annotation was computed. [2023-11-23 20:33:10,574 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 178 182) no Hoare annotation was computed. [2023-11-23 20:33:10,574 INFO L895 garLoopResultBuilder]: At program point L178-2(lines 178 182) the Hoare annotation is: false [2023-11-23 20:33:10,574 INFO L899 garLoopResultBuilder]: For program point L178-3(lines 178 182) no Hoare annotation was computed. [2023-11-23 20:33:10,574 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 20:33:10,575 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2023-11-23 20:33:10,575 INFO L895 garLoopResultBuilder]: At program point L163-2(lines 163 167) the Hoare annotation is: false [2023-11-23 20:33:10,575 INFO L899 garLoopResultBuilder]: For program point L147(lines 147 174) no Hoare annotation was computed. [2023-11-23 20:33:10,575 INFO L899 garLoopResultBuilder]: For program point L114(lines 114 118) no Hoare annotation was computed. [2023-11-23 20:33:10,576 INFO L895 garLoopResultBuilder]: At program point L114-1(lines 114 118) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_31| (_ BitVec 32))) (and (exists ((|v_ULTIMATE.start_isfinite_float_~ix~1#1_15| (_ BitVec 32))) (and (= (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|)) (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_31|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_31|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_31|))) (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) (_ bv2139095040 32)))) (= |ULTIMATE.start___ieee754_hypotf_~hb~0#1| (bvand (_ bv2147483647 32) |v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_31|)))) (exists ((|v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30| (_ BitVec 32))) (and (= (bvand |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30| (_ bv2147483647 32)) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|) (= (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30|)) (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))))) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_hypotf_~x#1| (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))) (= |ULTIMATE.start___ieee754_hypotf_~a~0#1| (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_hypotf_~ha~0#1|))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) |ULTIMATE.start_main_~x~0#1|)) (= currentRoundingMode roundNearestTiesToEven) (exists ((|v_ULTIMATE.start_isfinite_float_~ix~1#1_15| (_ BitVec 32))) (and (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~1#1_15|)) |ULTIMATE.start___ieee754_hypotf_~y#1|)))) [2023-11-23 20:33:10,576 INFO L899 garLoopResultBuilder]: For program point L114-2(lines 83 210) no Hoare annotation was computed. [2023-11-23 20:33:10,576 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 241) no Hoare annotation was computed. [2023-11-23 20:33:10,576 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 173) no Hoare annotation was computed. [2023-11-23 20:33:10,576 INFO L899 garLoopResultBuilder]: For program point __ieee754_hypotf_returnLabel#1(lines 83 210) no Hoare annotation was computed. [2023-11-23 20:33:10,577 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 108) no Hoare annotation was computed. [2023-11-23 20:33:10,577 INFO L895 garLoopResultBuilder]: At program point L199(line 199) the Hoare annotation is: false [2023-11-23 20:33:10,577 INFO L899 garLoopResultBuilder]: For program point L199-1(line 199) no Hoare annotation was computed. [2023-11-23 20:33:10,577 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 173) no Hoare annotation was computed. [2023-11-23 20:33:10,577 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 32) no Hoare annotation was computed. [2023-11-23 20:33:10,578 INFO L902 garLoopResultBuilder]: At program point L52-2(lines 52 61) the Hoare annotation is: true [2023-11-23 20:33:10,578 INFO L899 garLoopResultBuilder]: For program point L52-3(lines 16 81) no Hoare annotation was computed. [2023-11-23 20:33:10,578 INFO L899 garLoopResultBuilder]: For program point L44(lines 44 45) no Hoare annotation was computed. [2023-11-23 20:33:10,578 INFO L899 garLoopResultBuilder]: For program point L44-2(lines 44 45) no Hoare annotation was computed. [2023-11-23 20:33:10,578 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2023-11-23 20:33:10,578 INFO L899 garLoopResultBuilder]: For program point L28(lines 28 29) no Hoare annotation was computed. [2023-11-23 20:33:10,579 INFO L899 garLoopResultBuilder]: For program point __ieee754_sqrtfFINAL(lines 16 81) no Hoare annotation was computed. [2023-11-23 20:33:10,579 INFO L899 garLoopResultBuilder]: For program point L37(lines 37 41) no Hoare annotation was computed. [2023-11-23 20:33:10,579 INFO L899 garLoopResultBuilder]: For program point L37-2(lines 37 41) no Hoare annotation was computed. [2023-11-23 20:33:10,579 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 34) no Hoare annotation was computed. [2023-11-23 20:33:10,579 INFO L899 garLoopResultBuilder]: For program point L54(lines 54 58) no Hoare annotation was computed. [2023-11-23 20:33:10,579 INFO L899 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2023-11-23 20:33:10,580 INFO L899 garLoopResultBuilder]: For program point L54-2(lines 54 58) no Hoare annotation was computed. [2023-11-23 20:33:10,580 INFO L899 garLoopResultBuilder]: For program point __ieee754_sqrtfEXIT(lines 16 81) no Hoare annotation was computed. [2023-11-23 20:33:10,580 INFO L902 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: true [2023-11-23 20:33:10,580 INFO L899 garLoopResultBuilder]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2023-11-23 20:33:10,580 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 75 79) no Hoare annotation was computed. [2023-11-23 20:33:10,581 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 16 81) the Hoare annotation is: true [2023-11-23 20:33:10,581 INFO L902 garLoopResultBuilder]: At program point L75-2(lines 75 79) the Hoare annotation is: true [2023-11-23 20:33:10,581 INFO L899 garLoopResultBuilder]: For program point L75-3(lines 75 79) no Hoare annotation was computed. [2023-11-23 20:33:10,581 INFO L902 garLoopResultBuilder]: At program point L38-3(lines 38 39) the Hoare annotation is: true [2023-11-23 20:33:10,581 INFO L899 garLoopResultBuilder]: For program point L67(lines 67 70) no Hoare annotation was computed. [2023-11-23 20:33:10,581 INFO L899 garLoopResultBuilder]: For program point L38-4(lines 38 39) no Hoare annotation was computed. [2023-11-23 20:33:10,582 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 72) no Hoare annotation was computed. [2023-11-23 20:33:10,585 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-23 20:33:10,587 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:33:10,599 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30 : bv32 :: ~fp~32(~bvand~32(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30, 2147483647bv32)[31:31], ~bvand~32(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30, 2147483647bv32)[30:23], ~bvand~32(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30, 2147483647bv32)[22:0]) == ~a~0 && ~fp~32(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30[31:31], v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30[30:23], v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30[22:0]) == ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32())) could not be translated [2023-11-23 20:33:10,599 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_31 : bv32 :: (exists v_ULTIMATE.start_isfinite_float_~ix~1#1_15 : bv32 :: ~fp~32(v_ULTIMATE.start_isfinite_float_~ix~1#1_15[31:31], v_ULTIMATE.start_isfinite_float_~ix~1#1_15[30:23], v_ULTIMATE.start_isfinite_float_~ix~1#1_15[22:0]) == ~fp~32(v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_31[31:31], v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_31[30:23], v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_31[22:0]) && ~bvslt~32(~bvand~32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~1#1_15), 2139095040bv32)) && ~hb~0 == ~bvand~32(2147483647bv32, v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_31)) could not be translated [2023-11-23 20:33:10,600 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30 : bv32 :: ~bvand~32(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30, 2147483647bv32) == ~ha~0 && ~fp~32(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30[31:31], v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30[30:23], v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30[22:0]) == ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32())) could not be translated [2023-11-23 20:33:10,600 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32())) could not be translated [2023-11-23 20:33:10,600 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32()) == ~x~0) could not be translated [2023-11-23 20:33:10,600 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-23 20:33:10,601 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_isfinite_float_~ix~1#1_15 : bv32 :: ~bvslt~32(~bvand~32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~1#1_15), 2139095040bv32) && ~fp~32(v_ULTIMATE.start_isfinite_float_~ix~1#1_15[31:31], v_ULTIMATE.start_isfinite_float_~ix~1#1_15[30:23], v_ULTIMATE.start_isfinite_float_~ix~1#1_15[22:0]) == ~y) could not be translated [2023-11-23 20:33:10,602 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30 : bv32 :: ~fp~32(~bvand~32(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30, 2147483647bv32)[31:31], ~bvand~32(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30, 2147483647bv32)[30:23], ~bvand~32(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30, 2147483647bv32)[22:0]) == ~a~0 && ~fp~32(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30[31:31], v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30[30:23], v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30[22:0]) == ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32())) could not be translated [2023-11-23 20:33:10,602 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32())) could not be translated [2023-11-23 20:33:10,602 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32()) == ~x~0) could not be translated [2023-11-23 20:33:10,602 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-23 20:33:10,602 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_isfinite_float_~ix~1#1_15 : bv32 :: ~bvslt~32(~bvand~32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~1#1_15), 2139095040bv32) && ~fp~32(v_ULTIMATE.start_isfinite_float_~ix~1#1_15[31:31], v_ULTIMATE.start_isfinite_float_~ix~1#1_15[30:23], v_ULTIMATE.start_isfinite_float_~ix~1#1_15[22:0]) == ~y) could not be translated [2023-11-23 20:33:10,605 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_31 : bv32 :: (exists v_ULTIMATE.start_isfinite_float_~ix~1#1_15 : bv32 :: ~fp~32(v_ULTIMATE.start_isfinite_float_~ix~1#1_15[31:31], v_ULTIMATE.start_isfinite_float_~ix~1#1_15[30:23], v_ULTIMATE.start_isfinite_float_~ix~1#1_15[22:0]) == ~fp~32(v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_31[31:31], v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_31[30:23], v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_31[22:0]) && ~bvslt~32(~bvand~32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~1#1_15), 2139095040bv32)) && ~hb~0 == ~bvand~32(2147483647bv32, v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_31)) could not be translated [2023-11-23 20:33:10,605 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30 : bv32 :: ~bvand~32(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30, 2147483647bv32) == ~ha~0 && ~fp~32(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30[31:31], v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30[30:23], v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30[22:0]) == ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32())) could not be translated [2023-11-23 20:33:10,606 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32())) could not be translated [2023-11-23 20:33:10,608 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.ClassCastException: class de.uni_freiburg.informatik.ultimate.boogie.ast.BitVectorAccessExpression cannot be cast to class de.uni_freiburg.informatik.ultimate.boogie.ast.BitvecLiteral (de.uni_freiburg.informatik.ultimate.boogie.ast.BitVectorAccessExpression and de.uni_freiburg.informatik.ultimate.boogie.ast.BitvecLiteral are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @619bfe29) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateFunctionApplication(CACSL2BoogieBacktranslator.java:1188) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpression(CACSL2BoogieBacktranslator.java:1044) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateBinaryExpression(CACSL2BoogieBacktranslator.java:1096) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpression(CACSL2BoogieBacktranslator.java:1034) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateBinaryExpression(CACSL2BoogieBacktranslator.java:1096) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpression(CACSL2BoogieBacktranslator.java:1034) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateBinaryExpression(CACSL2BoogieBacktranslator.java:1095) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpression(CACSL2BoogieBacktranslator.java:1034) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateBinaryExpression(CACSL2BoogieBacktranslator.java:1095) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpression(CACSL2BoogieBacktranslator.java:1034) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateBinaryExpression(CACSL2BoogieBacktranslator.java:1095) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpression(CACSL2BoogieBacktranslator.java:1034) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpressionWithContext(CACSL2BoogieBacktranslator.java:950) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpressionWithContext(CACSL2BoogieBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionWithContext(ModelTranslationContainer.java:101) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionWithContext(ModelTranslationContainer.java:101) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionWithContext(ModelTranslationContainer.java:101) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionWithContext(ModelTranslationContainer.java:101) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionWithContextToString(ModelTranslationContainer.java:91) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.BacktranslationService.translateExpressionWithContextToString(BacktranslationService.java:98) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.(InvariantResult.java:47) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:454) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:191) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-23 20:33:10,616 INFO L158 Benchmark]: Toolchain (without parser) took 28678.96ms. Allocated memory was 79.7MB in the beginning and 121.6MB in the end (delta: 41.9MB). Free memory was 55.8MB in the beginning and 49.3MB in the end (delta: 6.5MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2023-11-23 20:33:10,617 INFO L158 Benchmark]: CDTParser took 1.86ms. Allocated memory is still 79.7MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:33:10,617 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.61ms. Allocated memory is still 79.7MB. Free memory was 55.6MB in the beginning and 40.5MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:33:10,618 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.13ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 40.5MB in the beginning and 78.8MB in the end (delta: -38.3MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2023-11-23 20:33:10,618 INFO L158 Benchmark]: Boogie Preprocessor took 124.42ms. Allocated memory is still 100.7MB. Free memory was 78.8MB in the beginning and 75.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:33:10,618 INFO L158 Benchmark]: RCFGBuilder took 3208.62ms. Allocated memory is still 100.7MB. Free memory was 75.9MB in the beginning and 74.9MB in the end (delta: 989.4kB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2023-11-23 20:33:10,619 INFO L158 Benchmark]: TraceAbstraction took 24790.54ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 74.4MB in the beginning and 49.3MB in the end (delta: 25.1MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2023-11-23 20:33:10,622 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.86ms. Allocated memory is still 79.7MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.61ms. Allocated memory is still 79.7MB. Free memory was 55.6MB in the beginning and 40.5MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.13ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 40.5MB in the beginning and 78.8MB in the end (delta: -38.3MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 124.42ms. Allocated memory is still 100.7MB. Free memory was 78.8MB in the beginning and 75.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3208.62ms. Allocated memory is still 100.7MB. Free memory was 75.9MB in the beginning and 74.9MB in the end (delta: 989.4kB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * TraceAbstraction took 24790.54ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 74.4MB in the beginning and 49.3MB in the end (delta: 25.1MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30 : bv32 :: ~fp~32(~bvand~32(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30, 2147483647bv32)[31:31], ~bvand~32(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30, 2147483647bv32)[30:23], ~bvand~32(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30, 2147483647bv32)[22:0]) == ~a~0 && ~fp~32(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30[31:31], v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30[30:23], v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30[22:0]) == ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_31 : bv32 :: (exists v_ULTIMATE.start_isfinite_float_~ix~1#1_15 : bv32 :: ~fp~32(v_ULTIMATE.start_isfinite_float_~ix~1#1_15[31:31], v_ULTIMATE.start_isfinite_float_~ix~1#1_15[30:23], v_ULTIMATE.start_isfinite_float_~ix~1#1_15[22:0]) == ~fp~32(v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_31[31:31], v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_31[30:23], v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_31[22:0]) && ~bvslt~32(~bvand~32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~1#1_15), 2139095040bv32)) && ~hb~0 == ~bvand~32(2147483647bv32, v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_31)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30 : bv32 :: ~bvand~32(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30, 2147483647bv32) == ~ha~0 && ~fp~32(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30[31:31], v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30[30:23], v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30[22:0]) == ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32()) == ~x~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_isfinite_float_~ix~1#1_15 : bv32 :: ~bvslt~32(~bvand~32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~1#1_15), 2139095040bv32) && ~fp~32(v_ULTIMATE.start_isfinite_float_~ix~1#1_15[31:31], v_ULTIMATE.start_isfinite_float_~ix~1#1_15[30:23], v_ULTIMATE.start_isfinite_float_~ix~1#1_15[22:0]) == ~y) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30 : bv32 :: ~fp~32(~bvand~32(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30, 2147483647bv32)[31:31], ~bvand~32(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30, 2147483647bv32)[30:23], ~bvand~32(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30, 2147483647bv32)[22:0]) == ~a~0 && ~fp~32(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30[31:31], v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30[30:23], v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30[22:0]) == ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32()) == ~x~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_isfinite_float_~ix~1#1_15 : bv32 :: ~bvslt~32(~bvand~32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~1#1_15), 2139095040bv32) && ~fp~32(v_ULTIMATE.start_isfinite_float_~ix~1#1_15[31:31], v_ULTIMATE.start_isfinite_float_~ix~1#1_15[30:23], v_ULTIMATE.start_isfinite_float_~ix~1#1_15[22:0]) == ~y) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_31 : bv32 :: (exists v_ULTIMATE.start_isfinite_float_~ix~1#1_15 : bv32 :: ~fp~32(v_ULTIMATE.start_isfinite_float_~ix~1#1_15[31:31], v_ULTIMATE.start_isfinite_float_~ix~1#1_15[30:23], v_ULTIMATE.start_isfinite_float_~ix~1#1_15[22:0]) == ~fp~32(v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_31[31:31], v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_31[30:23], v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_31[22:0]) && ~bvslt~32(~bvand~32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~1#1_15), 2139095040bv32)) && ~hb~0 == ~bvand~32(2147483647bv32, v_ULTIMATE.start___ieee754_hypotf_~hb~0#1_31)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30 : bv32 :: ~bvand~32(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30, 2147483647bv32) == ~ha~0 && ~fp~32(v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30[31:31], v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30[30:23], v_ULTIMATE.start___ieee754_hypotf_~ha~0#1_30[22:0]) == ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32())) 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: 241]: 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 2 procedures, 87 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 15.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 225 SdHoareTripleChecker+Valid, 4.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 225 mSDsluCounter, 364 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 204 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 285 IncrementalHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 160 mSDtfsCounter, 285 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 13.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=0, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 36 PreInvPairs, 43 NumberOfFragments, 377 HoareAnnotationTreeSize, 36 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 21 FomulaSimplificationsInter, 486 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 100 ConstructedInterpolants, 56 QuantifiedInterpolants, 1370 SizeOfPredicates, 38 NumberOfNonLiveVariables, 473 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.boogie.ast.BitVectorAccessExpression cannot be cast to class de.uni_freiburg.informatik.ultimate.boogie.ast.BitvecLiteral (de.uni_freiburg.informatik.ultimate.boogie.ast.BitVectorAccessExpression and de.uni_freiburg.informatik.ultimate.boogie.ast.BitvecLiteral are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @619bfe29) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: ClassCastException: class de.uni_freiburg.informatik.ultimate.boogie.ast.BitVectorAccessExpression cannot be cast to class de.uni_freiburg.informatik.ultimate.boogie.ast.BitvecLiteral (de.uni_freiburg.informatik.ultimate.boogie.ast.BitVectorAccessExpression and de.uni_freiburg.informatik.ultimate.boogie.ast.BitvecLiteral are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @619bfe29): de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateFunctionApplication(CACSL2BoogieBacktranslator.java:1188) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:33:10,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a38349-8871-4277-b158-6cde3aad0544/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.boogie.ast.BitVectorAccessExpression cannot be cast to class de.uni_freiburg.informatik.ultimate.boogie.ast.BitvecLiteral (de.uni_freiburg.informatik.ultimate.boogie.ast.BitVectorAccessExpression and de.uni_freiburg.informatik.ultimate.boogie.ast.BitvecLiteral are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @619bfe29)