./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_0658906a-5b4f-459f-b1aa-54ea98b17766/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0658906a-5b4f-459f-b1aa-54ea98b17766/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0658906a-5b4f-459f-b1aa-54ea98b17766/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0658906a-5b4f-459f-b1aa-54ea98b17766/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0658906a-5b4f-459f-b1aa-54ea98b17766/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0658906a-5b4f-459f-b1aa-54ea98b17766/bin/utaipan-verify-QoSU8krkJ5 --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 1f9d99a1e914bb5db4e356a6920ef9cb10f38df5cae5223ce35a4e418e6502dd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:41:24,882 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:41:25,023 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0658906a-5b4f-459f-b1aa-54ea98b17766/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-21 19:41:25,032 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:41:25,033 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:41:25,074 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:41:25,075 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:41:25,076 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:41:25,077 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:41:25,082 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:41:25,082 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:41:25,084 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:41:25,084 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:41:25,086 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-21 19:41:25,086 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:41:25,087 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:41:25,087 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-21 19:41:25,088 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-21 19:41:25,088 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:41:25,089 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-21 19:41:25,091 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-21 19:41:25,091 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-21 19:41:25,092 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:41:25,093 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:41:25,093 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 19:41:25,094 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 19:41:25,094 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 19:41:25,095 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:41:25,095 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:41:25,095 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:41:25,097 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:41:25,097 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 19:41:25,097 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:41:25,098 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:41:25,098 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:41:25,098 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:41:25,098 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:41:25,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:41:25,099 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:41:25,099 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:41:25,100 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:41:25,100 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-21 19:41:25,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 19:41:25,101 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:41:25,101 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:41:25,101 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:41:25,102 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:41:25,102 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_0658906a-5b4f-459f-b1aa-54ea98b17766/bin/utaipan-verify-QoSU8krkJ5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0658906a-5b4f-459f-b1aa-54ea98b17766/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f9d99a1e914bb5db4e356a6920ef9cb10f38df5cae5223ce35a4e418e6502dd [2023-11-21 19:41:25,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:41:25,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:41:25,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:41:25,516 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:41:25,517 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:41:25,518 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0658906a-5b4f-459f-b1aa-54ea98b17766/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2023-11-21 19:41:28,595 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:41:28,851 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:41:28,851 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0658906a-5b4f-459f-b1aa-54ea98b17766/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2023-11-21 19:41:28,859 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0658906a-5b4f-459f-b1aa-54ea98b17766/bin/utaipan-verify-QoSU8krkJ5/data/744d1967e/1f96650aa6c24c92a3d4f71c9c2c9272/FLAG68b31cf2b [2023-11-21 19:41:28,873 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0658906a-5b4f-459f-b1aa-54ea98b17766/bin/utaipan-verify-QoSU8krkJ5/data/744d1967e/1f96650aa6c24c92a3d4f71c9c2c9272 [2023-11-21 19:41:28,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:41:28,878 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:41:28,880 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:41:28,881 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:41:28,890 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:41:28,891 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:41:28" (1/1) ... [2023-11-21 19:41:28,892 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6317a995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:28, skipping insertion in model container [2023-11-21 19:41:28,892 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:41:28" (1/1) ... [2023-11-21 19:41:28,919 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:41:29,171 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_0658906a-5b4f-459f-b1aa-54ea98b17766/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c[585,598] [2023-11-21 19:41:29,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:41:29,211 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 19:41:29,225 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_0658906a-5b4f-459f-b1aa-54ea98b17766/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c[585,598] [2023-11-21 19:41:29,240 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:41:29,258 INFO L206 MainTranslator]: Completed translation [2023-11-21 19:41:29,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:29 WrapperNode [2023-11-21 19:41:29,258 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:41:29,259 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 19:41:29,260 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 19:41:29,260 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 19:41:29,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:29" (1/1) ... [2023-11-21 19:41:29,277 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:29" (1/1) ... [2023-11-21 19:41:29,302 INFO L138 Inliner]: procedures = 18, calls = 17, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2023-11-21 19:41:29,302 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 19:41:29,303 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 19:41:29,303 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 19:41:29,303 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 19:41:29,312 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:29" (1/1) ... [2023-11-21 19:41:29,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:29" (1/1) ... [2023-11-21 19:41:29,324 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:29" (1/1) ... [2023-11-21 19:41:29,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:29" (1/1) ... [2023-11-21 19:41:29,334 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:29" (1/1) ... [2023-11-21 19:41:29,336 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:29" (1/1) ... [2023-11-21 19:41:29,337 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:29" (1/1) ... [2023-11-21 19:41:29,338 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:29" (1/1) ... [2023-11-21 19:41:29,340 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 19:41:29,341 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 19:41:29,341 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 19:41:29,341 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 19:41:29,342 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:29" (1/1) ... [2023-11-21 19:41:29,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:41:29,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0658906a-5b4f-459f-b1aa-54ea98b17766/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:41:29,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0658906a-5b4f-459f-b1aa-54ea98b17766/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 19:41:29,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0658906a-5b4f-459f-b1aa-54ea98b17766/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 19:41:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 19:41:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 19:41:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 19:41:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-21 19:41:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 19:41:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-21 19:41:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 19:41:29,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 19:41:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 19:41:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 19:41:29,511 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 19:41:29,513 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 19:41:29,624 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 19:41:29,695 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 19:41:29,696 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 19:41:29,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:41:29 BoogieIcfgContainer [2023-11-21 19:41:29,698 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 19:41:29,701 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 19:41:29,702 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 19:41:29,705 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 19:41:29,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 07:41:28" (1/3) ... [2023-11-21 19:41:29,707 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ad87675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:41:29, skipping insertion in model container [2023-11-21 19:41:29,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:29" (2/3) ... [2023-11-21 19:41:29,707 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ad87675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:41:29, skipping insertion in model container [2023-11-21 19:41:29,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:41:29" (3/3) ... [2023-11-21 19:41:29,709 INFO L112 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake.c [2023-11-21 19:41:29,733 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 19:41:29,733 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 19:41:29,785 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 19:41:29,792 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;@3e9ee6ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:41:29,793 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 19:41:29,797 INFO L276 IsEmpty]: Start isEmpty. Operand has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 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) [2023-11-21 19:41:29,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 19:41:29,804 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:41:29,805 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-21 19:41:29,805 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 19:41:29,811 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:41:29,811 INFO L85 PathProgramCache]: Analyzing trace with hash 60993, now seen corresponding path program 1 times [2023-11-21 19:41:29,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:41:29,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085481209] [2023-11-21 19:41:29,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:41:29,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:41:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 19:41:29,972 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 19:41:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 19:41:30,017 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-21 19:41:30,019 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 19:41:30,020 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 19:41:30,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 19:41:30,027 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 19:41:30,031 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 19:41:30,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 07:41:30 BoogieIcfgContainer [2023-11-21 19:41:30,049 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 19:41:30,050 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 19:41:30,050 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 19:41:30,051 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 19:41:30,051 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:41:29" (3/4) ... [2023-11-21 19:41:30,053 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 19:41:30,055 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 19:41:30,056 INFO L158 Benchmark]: Toolchain (without parser) took 1177.63ms. Allocated memory is still 146.8MB. Free memory was 107.6MB in the beginning and 80.7MB in the end (delta: 26.9MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2023-11-21 19:41:30,057 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 115.3MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:41:30,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.54ms. Allocated memory is still 146.8MB. Free memory was 107.2MB in the beginning and 114.2MB in the end (delta: -7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 19:41:30,058 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.82ms. Allocated memory is still 146.8MB. Free memory was 114.2MB in the beginning and 112.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 19:41:30,059 INFO L158 Benchmark]: Boogie Preprocessor took 37.52ms. Allocated memory is still 146.8MB. Free memory was 112.6MB in the beginning and 111.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 19:41:30,059 INFO L158 Benchmark]: RCFGBuilder took 356.81ms. Allocated memory is still 146.8MB. Free memory was 111.4MB in the beginning and 97.1MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 19:41:30,060 INFO L158 Benchmark]: TraceAbstraction took 348.37ms. Allocated memory is still 146.8MB. Free memory was 96.3MB in the beginning and 81.2MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 19:41:30,061 INFO L158 Benchmark]: Witness Printer took 4.65ms. Allocated memory is still 146.8MB. Free memory was 81.2MB in the beginning and 80.7MB in the end (delta: 435.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:41:30,064 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 115.3MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 378.54ms. Allocated memory is still 146.8MB. Free memory was 107.2MB in the beginning and 114.2MB in the end (delta: -7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.82ms. Allocated memory is still 146.8MB. Free memory was 114.2MB in the beginning and 112.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.52ms. Allocated memory is still 146.8MB. Free memory was 112.6MB in the beginning and 111.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 356.81ms. Allocated memory is still 146.8MB. Free memory was 111.4MB in the beginning and 97.1MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 348.37ms. Allocated memory is still 146.8MB. Free memory was 96.3MB in the beginning and 81.2MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.65ms. Allocated memory is still 146.8MB. Free memory was 81.2MB in the beginning and 80.7MB in the end (delta: 435.2kB). 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: 13]: 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 48, overapproximation of someBinaryDOUBLEComparisonOperation at line 52, overapproximation of someBinaryArithmeticFLOAToperation at line 22. Possible FailurePath: [L45] float a,r; [L47] a = __VERIFIER_nondet_float() [L48] CALL assume_abort_if_not(a >= 0.1f && a <= 100.f) [L11] COND FALSE !(!cond) [L48] RET assume_abort_if_not(a >= 0.1f && a <= 100.f) [L50] CALL, EXPR InvSqrt(a) [L22] float xhalf = 0.5f*x; [L23] union float_int i; [L24] i.f = x [L25] EXPR i.i [L25] i.i = 0x5f3759df - (i.i>>1) [L26] EXPR i.f [L26] x = i.f [L27] x = x*(1.5f-xhalf*x*x) [L28] return x; [L28] return x; [L50] RET, EXPR InvSqrt(a) [L50] r = InvSqrt(a) [L52] CALL __VERIFIER_assert(r >= 0.f && r <= 10.) [L13] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L13] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2023-11-21 19:41:30,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0658906a-5b4f-459f-b1aa-54ea98b17766/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0658906a-5b4f-459f-b1aa-54ea98b17766/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0658906a-5b4f-459f-b1aa-54ea98b17766/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0658906a-5b4f-459f-b1aa-54ea98b17766/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0658906a-5b4f-459f-b1aa-54ea98b17766/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0658906a-5b4f-459f-b1aa-54ea98b17766/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0658906a-5b4f-459f-b1aa-54ea98b17766/bin/utaipan-verify-QoSU8krkJ5 --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 1f9d99a1e914bb5db4e356a6920ef9cb10f38df5cae5223ce35a4e418e6502dd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:41:33,080 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:41:33,195 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0658906a-5b4f-459f-b1aa-54ea98b17766/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-21 19:41:33,207 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:41:33,208 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:41:33,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:41:33,277 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:41:33,279 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:41:33,280 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:41:33,286 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:41:33,287 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:41:33,288 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:41:33,289 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:41:33,291 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:41:33,291 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:41:33,292 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:41:33,294 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:41:33,294 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:41:33,295 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 19:41:33,296 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 19:41:33,297 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:41:33,298 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:41:33,298 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:41:33,299 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:41:33,299 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 19:41:33,300 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 19:41:33,301 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 19:41:33,301 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 19:41:33,302 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:41:33,303 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:41:33,304 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:41:33,305 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 19:41:33,305 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:41:33,306 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:41:33,307 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:41:33,307 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:41:33,308 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:41:33,308 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:41:33,308 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 19:41:33,310 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 19:41:33,310 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:41:33,310 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:41:33,311 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:41:33,311 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:41:33,312 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_0658906a-5b4f-459f-b1aa-54ea98b17766/bin/utaipan-verify-QoSU8krkJ5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0658906a-5b4f-459f-b1aa-54ea98b17766/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f9d99a1e914bb5db4e356a6920ef9cb10f38df5cae5223ce35a4e418e6502dd [2023-11-21 19:41:33,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:41:33,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:41:33,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:41:33,725 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:41:33,726 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:41:33,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0658906a-5b4f-459f-b1aa-54ea98b17766/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2023-11-21 19:41:37,185 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:41:37,527 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:41:37,528 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0658906a-5b4f-459f-b1aa-54ea98b17766/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2023-11-21 19:41:37,540 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0658906a-5b4f-459f-b1aa-54ea98b17766/bin/utaipan-verify-QoSU8krkJ5/data/964d3cf2a/8cd65934f94c40b1a52a42227c49013c/FLAG4ecf4e74e [2023-11-21 19:41:37,563 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0658906a-5b4f-459f-b1aa-54ea98b17766/bin/utaipan-verify-QoSU8krkJ5/data/964d3cf2a/8cd65934f94c40b1a52a42227c49013c [2023-11-21 19:41:37,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:41:37,574 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:41:37,581 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:41:37,582 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:41:37,589 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:41:37,592 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:41:37" (1/1) ... [2023-11-21 19:41:37,594 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66f2a5df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:37, skipping insertion in model container [2023-11-21 19:41:37,594 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:41:37" (1/1) ... [2023-11-21 19:41:37,625 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:41:37,818 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_0658906a-5b4f-459f-b1aa-54ea98b17766/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c[585,598] [2023-11-21 19:41:37,839 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:41:37,860 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 19:41:37,881 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_0658906a-5b4f-459f-b1aa-54ea98b17766/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c[585,598] [2023-11-21 19:41:37,903 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:41:37,942 INFO L206 MainTranslator]: Completed translation [2023-11-21 19:41:37,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:37 WrapperNode [2023-11-21 19:41:37,943 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:41:37,945 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 19:41:37,946 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 19:41:37,946 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 19:41:37,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:37" (1/1) ... [2023-11-21 19:41:37,985 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:37" (1/1) ... [2023-11-21 19:41:38,014 INFO L138 Inliner]: procedures = 21, calls = 17, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2023-11-21 19:41:38,015 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 19:41:38,016 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 19:41:38,016 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 19:41:38,017 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 19:41:38,026 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:37" (1/1) ... [2023-11-21 19:41:38,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:37" (1/1) ... [2023-11-21 19:41:38,040 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:37" (1/1) ... [2023-11-21 19:41:38,040 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:37" (1/1) ... [2023-11-21 19:41:38,059 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:37" (1/1) ... [2023-11-21 19:41:38,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:37" (1/1) ... [2023-11-21 19:41:38,064 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:37" (1/1) ... [2023-11-21 19:41:38,065 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:37" (1/1) ... [2023-11-21 19:41:38,081 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 19:41:38,083 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 19:41:38,083 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 19:41:38,083 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 19:41:38,085 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:37" (1/1) ... [2023-11-21 19:41:38,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:41:38,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0658906a-5b4f-459f-b1aa-54ea98b17766/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:41:38,129 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0658906a-5b4f-459f-b1aa-54ea98b17766/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 19:41:38,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0658906a-5b4f-459f-b1aa-54ea98b17766/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 19:41:38,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 19:41:38,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 19:41:38,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 19:41:38,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-21 19:41:38,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 19:41:38,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 19:41:38,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 19:41:38,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-21 19:41:38,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 19:41:38,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 19:41:38,323 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 19:41:38,325 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 19:41:40,729 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 19:41:40,878 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 19:41:40,878 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 19:41:40,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:41:40 BoogieIcfgContainer [2023-11-21 19:41:40,892 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 19:41:40,895 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 19:41:40,895 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 19:41:40,898 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 19:41:40,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 07:41:37" (1/3) ... [2023-11-21 19:41:40,899 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aaa0786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:41:40, skipping insertion in model container [2023-11-21 19:41:40,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:41:37" (2/3) ... [2023-11-21 19:41:40,900 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aaa0786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:41:40, skipping insertion in model container [2023-11-21 19:41:40,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:41:40" (3/3) ... [2023-11-21 19:41:40,901 INFO L112 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake.c [2023-11-21 19:41:40,920 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 19:41:40,920 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 19:41:40,960 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 19:41:40,967 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;@9f42400, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:41:40,968 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 19:41:40,972 INFO L276 IsEmpty]: Start isEmpty. Operand has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 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) [2023-11-21 19:41:40,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 19:41:40,977 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:41:40,978 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-21 19:41:40,979 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 19:41:40,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:41:40,984 INFO L85 PathProgramCache]: Analyzing trace with hash 60993, now seen corresponding path program 1 times [2023-11-21 19:41:40,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-21 19:41:41,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1003522613] [2023-11-21 19:41:41,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:41:41,001 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 [2023-11-21 19:41:41,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0658906a-5b4f-459f-b1aa-54ea98b17766/bin/utaipan-verify-QoSU8krkJ5/mathsat [2023-11-21 19:41:41,006 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0658906a-5b4f-459f-b1aa-54ea98b17766/bin/utaipan-verify-QoSU8krkJ5/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) [2023-11-21 19:41:41,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0658906a-5b4f-459f-b1aa-54ea98b17766/bin/utaipan-verify-QoSU8krkJ5/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 [2023-11-21 19:41:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:41:42,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 19:41:42,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 19:42:34,410 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse7 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (.cse2 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (.cse4 ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0))) (.cse5 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)))) (or (and (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32)) (or (exists ((|v_skolemized_q#valueAsBitvector_8| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_8|)))) (and (fp.geq .cse0 .cse1) (fp.leq .cse0 .cse2) (not (fp.leq ((_ to_fp 11 53) roundNearestTiesToEven (let ((.cse3 (let ((.cse6 (bvadd (_ bv1597463007 32) (bvneg (bvashr |v_skolemized_q#valueAsBitvector_8| (_ bv1 32)))))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))))) (fp.mul roundNearestTiesToEven .cse3 (fp.sub roundNearestTiesToEven .cse4 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse5 .cse0) .cse3) .cse3))))) .cse7))))) (exists ((|v_skolemized_q#valueAsBitvector_8| (_ BitVec 32))) (let ((.cse8 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_8|)))) (and (fp.geq .cse8 .cse1) (not (fp.geq (let ((.cse9 (let ((.cse10 (bvadd (_ bv1597463007 32) (bvneg (bvashr |v_skolemized_q#valueAsBitvector_8| (_ bv1 32)))))) (fp ((_ extract 31 31) .cse10) ((_ extract 30 23) .cse10) ((_ extract 22 0) .cse10))))) (fp.mul roundNearestTiesToEven .cse9 (fp.sub roundNearestTiesToEven .cse4 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse5 .cse8) .cse9) .cse9)))) (_ +zero 8 24))) (fp.leq .cse8 .cse2)))))) (and (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) (exists ((|v_skolemized_q#valueAsBitvector_8| (_ BitVec 32))) (let ((.cse12 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_8|)))) (let ((.cse11 (let ((.cse13 (let ((.cse14 (bvadd (_ bv1597463007 32) (bvneg (bvashr |v_skolemized_q#valueAsBitvector_8| (_ bv1 32)))))) (fp ((_ extract 31 31) .cse14) ((_ extract 30 23) .cse14) ((_ extract 22 0) .cse14))))) (fp.mul roundNearestTiesToEven .cse13 (fp.sub roundNearestTiesToEven .cse4 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse5 .cse12) .cse13) .cse13)))))) (and (fp.leq ((_ to_fp 11 53) roundNearestTiesToEven .cse11) .cse7) (fp.geq .cse12 .cse1) (fp.leq .cse12 .cse2) (fp.geq .cse11 (_ +zero 8 24))))))))) is different from false