./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/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_4d0b30e3-3837-4a6b-a88e-3bba60894c58/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/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_4d0b30e3-3837-4a6b-a88e-3bba60894c58/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 673f48eff2c9fa553be4e6ec558f63c53157e8de398373430e9065fe538627b8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:20:49,036 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:20:49,147 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:20:49,159 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:20:49,160 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:20:49,201 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:20:49,202 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:20:49,202 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:20:49,204 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:20:49,209 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:20:49,209 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:20:49,210 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:20:49,211 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:20:49,213 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:20:49,213 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:20:49,214 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:20:49,214 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:20:49,215 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:20:49,215 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:20:49,216 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:20:49,216 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:20:49,217 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:20:49,218 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:20:49,219 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:20:49,219 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:20:49,220 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:20:49,220 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:20:49,221 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:20:49,221 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:20:49,221 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:20:49,223 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:20:49,223 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:20:49,223 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:20:49,224 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:20:49,224 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:20:49,224 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:20:49,225 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:20:49,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:49,226 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:20:49,226 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:20:49,226 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:20:49,227 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:20:49,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:20:49,227 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:20:49,228 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:20:49,228 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:20:49,229 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:20:49,229 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_4d0b30e3-3837-4a6b-a88e-3bba60894c58/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 673f48eff2c9fa553be4e6ec558f63c53157e8de398373430e9065fe538627b8 [2023-11-23 21:20:49,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:20:49,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:20:49,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:20:49,568 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:20:49,569 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:20:49,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i [2023-11-23 21:20:52,740 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:20:52,981 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:20:52,982 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i [2023-11-23 21:20:52,993 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/bin/utaipan-verify-mE87zJ7Ire/data/009804263/2289a25bd0074fb095fa73ef4d9547a2/FLAG1a40e227e [2023-11-23 21:20:53,011 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/bin/utaipan-verify-mE87zJ7Ire/data/009804263/2289a25bd0074fb095fa73ef4d9547a2 [2023-11-23 21:20:53,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:20:53,019 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:20:53,024 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:20:53,025 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:20:53,031 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:20:53,032 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:53" (1/1) ... [2023-11-23 21:20:53,033 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bca34bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:53, skipping insertion in model container [2023-11-23 21:20:53,033 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:53" (1/1) ... [2023-11-23 21:20:53,073 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:20:53,244 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_4d0b30e3-3837-4a6b-a88e-3bba60894c58/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i[915,928] [2023-11-23 21:20:53,296 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:20:53,308 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:20:53,322 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_4d0b30e3-3837-4a6b-a88e-3bba60894c58/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i[915,928] [2023-11-23 21:20:53,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:20:53,389 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:20:53,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:53 WrapperNode [2023-11-23 21:20:53,391 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:20:53,393 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:20:53,393 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:20:53,393 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:20:53,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:53" (1/1) ... [2023-11-23 21:20:53,418 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:53" (1/1) ... [2023-11-23 21:20:53,474 INFO L138 Inliner]: procedures = 29, calls = 111, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 317 [2023-11-23 21:20:53,474 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:20:53,475 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:20:53,476 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:20:53,476 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:20:53,487 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:53" (1/1) ... [2023-11-23 21:20:53,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:53" (1/1) ... [2023-11-23 21:20:53,494 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:53" (1/1) ... [2023-11-23 21:20:53,495 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:53" (1/1) ... [2023-11-23 21:20:53,537 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:53" (1/1) ... [2023-11-23 21:20:53,543 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:53" (1/1) ... [2023-11-23 21:20:53,546 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:53" (1/1) ... [2023-11-23 21:20:53,549 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:53" (1/1) ... [2023-11-23 21:20:53,554 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:20:53,555 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:20:53,555 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:20:53,555 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:20:53,556 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:53" (1/1) ... [2023-11-23 21:20:53,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:53,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:20:53,623 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:20:53,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:20:53,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-23 21:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-23 21:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:20:53,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-23 21:20:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:20:53,666 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:20:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:20:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:20:53,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:20:53,772 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:20:53,775 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:20:54,268 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:20:54,745 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:20:54,745 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:20:54,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:54 BoogieIcfgContainer [2023-11-23 21:20:54,749 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:20:54,753 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:20:54,754 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:20:54,757 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:20:54,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:20:53" (1/3) ... [2023-11-23 21:20:54,759 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5efb5dba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:20:54, skipping insertion in model container [2023-11-23 21:20:54,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:53" (2/3) ... [2023-11-23 21:20:54,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5efb5dba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:20:54, skipping insertion in model container [2023-11-23 21:20:54,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:54" (3/3) ... [2023-11-23 21:20:54,763 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-0.i [2023-11-23 21:20:54,785 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:20:54,785 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:20:54,846 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:20:54,859 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;@43fd338d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:20:54,859 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:20:54,864 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-23 21:20:54,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 21:20:54,872 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:20:54,873 INFO L195 NwaCegarLoop]: trace histogram [8, 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, 1, 1, 1] [2023-11-23 21:20:54,873 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:20:54,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:20:54,878 INFO L85 PathProgramCache]: Analyzing trace with hash -752065548, now seen corresponding path program 1 times [2023-11-23 21:20:54,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:20:54,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505430292] [2023-11-23 21:20:54,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:54,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:20:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:20:55,467 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:20:55,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:20:55,712 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:20:55,714 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:20:55,716 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:20:55,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:20:55,725 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:20:55,739 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:20:55,786 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated [2023-11-23 21:20:55,788 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated [2023-11-23 21:20:55,790 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated [2023-11-23 21:20:55,792 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated [2023-11-23 21:20:55,793 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-23 21:20:55,793 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-23 21:20:55,794 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated [2023-11-23 21:20:55,794 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated [2023-11-23 21:20:55,794 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated [2023-11-23 21:20:55,795 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-23 21:20:55,795 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated [2023-11-23 21:20:55,795 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-23 21:20:55,796 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated [2023-11-23 21:20:55,796 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated [2023-11-23 21:20:55,796 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated [2023-11-23 21:20:55,796 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-23 21:20:55,797 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated [2023-11-23 21:20:55,797 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-23 21:20:55,798 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-23 21:20:55,798 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-23 21:20:55,798 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-23 21:20:55,799 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated [2023-11-23 21:20:55,799 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated [2023-11-23 21:20:55,799 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-23 21:20:55,799 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated [2023-11-23 21:20:55,800 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-23 21:20:55,800 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-23 21:20:55,801 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-23 21:20:55,801 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated [2023-11-23 21:20:55,801 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated [2023-11-23 21:20:55,801 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-23 21:20:55,803 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated [2023-11-23 21:20:55,803 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-23 21:20:55,804 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-23 21:20:55,804 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-23 21:20:55,812 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-23 21:20:55,813 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-23 21:20:55,814 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-23 21:20:55,815 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-23 21:20:55,816 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-23 21:20:55,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:20:55 BoogieIcfgContainer [2023-11-23 21:20:55,838 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:20:55,840 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:20:55,841 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:20:55,842 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:20:55,842 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:54" (3/4) ... [2023-11-23 21:20:55,845 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:20:55,846 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:20:55,847 INFO L158 Benchmark]: Toolchain (without parser) took 2828.71ms. Allocated memory was 117.4MB in the beginning and 148.9MB in the end (delta: 31.5MB). Free memory was 70.3MB in the beginning and 68.7MB in the end (delta: 1.6MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2023-11-23 21:20:55,848 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory was 85.2MB in the beginning and 85.2MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:20:55,848 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.34ms. Allocated memory is still 117.4MB. Free memory was 70.3MB in the beginning and 56.4MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:20:55,849 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.93ms. Allocated memory is still 117.4MB. Free memory was 56.4MB in the beginning and 53.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:20:55,850 INFO L158 Benchmark]: Boogie Preprocessor took 78.51ms. Allocated memory was 117.4MB in the beginning and 148.9MB in the end (delta: 31.5MB). Free memory was 53.2MB in the beginning and 118.8MB in the end (delta: -65.6MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2023-11-23 21:20:55,851 INFO L158 Benchmark]: RCFGBuilder took 1194.00ms. Allocated memory is still 148.9MB. Free memory was 118.8MB in the beginning and 103.6MB in the end (delta: 15.2MB). Peak memory consumption was 68.4MB. Max. memory is 16.1GB. [2023-11-23 21:20:55,853 INFO L158 Benchmark]: TraceAbstraction took 1085.16ms. Allocated memory is still 148.9MB. Free memory was 102.6MB in the beginning and 69.7MB in the end (delta: 32.8MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2023-11-23 21:20:55,855 INFO L158 Benchmark]: Witness Printer took 5.85ms. Allocated memory is still 148.9MB. Free memory was 69.7MB in the beginning and 68.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:20:55,859 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory was 85.2MB in the beginning and 85.2MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.34ms. Allocated memory is still 117.4MB. Free memory was 70.3MB in the beginning and 56.4MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.93ms. Allocated memory is still 117.4MB. Free memory was 56.4MB in the beginning and 53.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.51ms. Allocated memory was 117.4MB in the beginning and 148.9MB in the end (delta: 31.5MB). Free memory was 53.2MB in the beginning and 118.8MB in the end (delta: -65.6MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1194.00ms. Allocated memory is still 148.9MB. Free memory was 118.8MB in the beginning and 103.6MB in the end (delta: 15.2MB). Peak memory consumption was 68.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1085.16ms. Allocated memory is still 148.9MB. Free memory was 102.6MB in the beginning and 69.7MB in the end (delta: 32.8MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. * Witness Printer took 5.85ms. Allocated memory is still 148.9MB. Free memory was 69.7MB in the beginning and 68.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 52, overapproximation of someBinaryArithmeticDOUBLEoperation at line 62. Possible FailurePath: [L33] unsigned char isInitial = 0; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 25.8, 1, 128.2, 15.4, 5.25, 1, 100, 1, 5 }; [L45] double last_1_WrapperStruct0_var_1_5 = 5.25; [L46] unsigned char last_1_WrapperStruct0_var_1_10 = 100; [L47] unsigned short int last_1_WrapperStruct0_var_1_13 = 5; [L107] isInitial = 1 [L108] FCALL initially() [L109] COND TRUE 1 [L110] CALL updateLastVariables() [L98] EXPR WrapperStruct0.var_1_5 [L98] last_1_WrapperStruct0_var_1_5 = WrapperStruct0.var_1_5 [L99] EXPR WrapperStruct0.var_1_10 [L99] last_1_WrapperStruct0_var_1_10 = WrapperStruct0.var_1_10 [L100] EXPR WrapperStruct0.var_1_13 [L100] last_1_WrapperStruct0_var_1_13 = WrapperStruct0.var_1_13 [L110] RET updateLastVariables() [L111] CALL updateVariables() [L83] WrapperStruct0.var_1_2 = __VERIFIER_nondet_uchar() [L84] EXPR WrapperStruct0.var_1_2 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L84] CALL assume_abort_if_not(WrapperStruct0.var_1_2 >= 0) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(WrapperStruct0.var_1_2 >= 0) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L85] EXPR WrapperStruct0.var_1_2 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L85] CALL assume_abort_if_not(WrapperStruct0.var_1_2 <= 1) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(WrapperStruct0.var_1_2 <= 1) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L86] WrapperStruct0.var_1_3 = __VERIFIER_nondet_double() [L87] EXPR WrapperStruct0.var_1_3 [L87] EXPR WrapperStruct0.var_1_3 >= 0.0F && WrapperStruct0.var_1_3 <= -1.0e-20F [L87] EXPR (WrapperStruct0.var_1_3 >= 0.0F && WrapperStruct0.var_1_3 <= -1.0e-20F) || (WrapperStruct0.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_3 >= 1.0e-20F ) [L87] EXPR WrapperStruct0.var_1_3 [L87] EXPR WrapperStruct0.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_3 >= 1.0e-20F [L87] EXPR WrapperStruct0.var_1_3 [L87] EXPR WrapperStruct0.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_3 >= 1.0e-20F [L87] EXPR (WrapperStruct0.var_1_3 >= 0.0F && WrapperStruct0.var_1_3 <= -1.0e-20F) || (WrapperStruct0.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_3 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L87] CALL assume_abort_if_not((WrapperStruct0.var_1_3 >= 0.0F && WrapperStruct0.var_1_3 <= -1.0e-20F) || (WrapperStruct0.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not((WrapperStruct0.var_1_3 >= 0.0F && WrapperStruct0.var_1_3 <= -1.0e-20F) || (WrapperStruct0.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L88] WrapperStruct0.var_1_4 = __VERIFIER_nondet_double() [L89] EXPR WrapperStruct0.var_1_4 [L89] EXPR WrapperStruct0.var_1_4 >= 0.0F && WrapperStruct0.var_1_4 <= -1.0e-20F [L89] EXPR WrapperStruct0.var_1_4 [L89] EXPR WrapperStruct0.var_1_4 >= 0.0F && WrapperStruct0.var_1_4 <= -1.0e-20F [L89] EXPR (WrapperStruct0.var_1_4 >= 0.0F && WrapperStruct0.var_1_4 <= -1.0e-20F) || (WrapperStruct0.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_4 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L89] CALL assume_abort_if_not((WrapperStruct0.var_1_4 >= 0.0F && WrapperStruct0.var_1_4 <= -1.0e-20F) || (WrapperStruct0.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not((WrapperStruct0.var_1_4 >= 0.0F && WrapperStruct0.var_1_4 <= -1.0e-20F) || (WrapperStruct0.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L90] WrapperStruct0.var_1_9 = __VERIFIER_nondet_uchar() [L91] EXPR WrapperStruct0.var_1_9 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L91] CALL assume_abort_if_not(WrapperStruct0.var_1_9 >= 0) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(WrapperStruct0.var_1_9 >= 0) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L92] EXPR WrapperStruct0.var_1_9 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L92] CALL assume_abort_if_not(WrapperStruct0.var_1_9 <= 1) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(WrapperStruct0.var_1_9 <= 1) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L93] WrapperStruct0.var_1_12 = __VERIFIER_nondet_uchar() [L94] EXPR WrapperStruct0.var_1_12 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L94] CALL assume_abort_if_not(WrapperStruct0.var_1_12 >= 0) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(WrapperStruct0.var_1_12 >= 0) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L95] EXPR WrapperStruct0.var_1_12 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L95] CALL assume_abort_if_not(WrapperStruct0.var_1_12 <= 254) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(WrapperStruct0.var_1_12 <= 254) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L111] RET updateVariables() [L112] CALL step() [L51] WrapperStruct0.var_1_9 [L51] COND TRUE WrapperStruct0.var_1_9 [L52] EXPR WrapperStruct0.var_1_4 [L52] EXPR WrapperStruct0.var_1_3 [L52] COND TRUE (WrapperStruct0.var_1_4 * (WrapperStruct0.var_1_3 - 5.3)) <= last_1_WrapperStruct0_var_1_5 [L53] WrapperStruct0.var_1_13 = last_1_WrapperStruct0_var_1_10 [L56] COND FALSE !((last_1_WrapperStruct0_var_1_13 + last_1_WrapperStruct0_var_1_13) < last_1_WrapperStruct0_var_1_13) [L61] EXPR WrapperStruct0.var_1_2 [L61] COND TRUE ! WrapperStruct0.var_1_2 [L62] EXPR WrapperStruct0.var_1_3 [L62] EXPR WrapperStruct0.var_1_4 [L62] WrapperStruct0.var_1_1 = (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4) [L66] EXPR WrapperStruct0.var_1_3 [L66] EXPR WrapperStruct0.var_1_4 [L66] EXPR WrapperStruct0.var_1_1 [L66] EXPR WrapperStruct0.var_1_1 [L66] COND TRUE (WrapperStruct0.var_1_3 + (WrapperStruct0.var_1_4 + WrapperStruct0.var_1_1)) != WrapperStruct0.var_1_1 [L67] WrapperStruct0.var_1_2 [L67] COND FALSE !(WrapperStruct0.var_1_2) [L76] EXPR WrapperStruct0.var_1_3 [L76] WrapperStruct0.var_1_5 = WrapperStruct0.var_1_3 [L112] RET step() [L113] CALL, EXPR property() [L103] EXPR WrapperStruct0.var_1_2 [L103] EXPR (! WrapperStruct0.var_1_2) ? (WrapperStruct0.var_1_1 == ((double) (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4))) : (WrapperStruct0.var_1_1 == ((double) ((((16.2) < (WrapperStruct0.var_1_3)) ? (16.2) : (WrapperStruct0.var_1_3))))) [L103] EXPR WrapperStruct0.var_1_1 [L103] EXPR WrapperStruct0.var_1_3 [L103] EXPR WrapperStruct0.var_1_4 [L103] EXPR (! WrapperStruct0.var_1_2) ? (WrapperStruct0.var_1_1 == ((double) (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4))) : (WrapperStruct0.var_1_1 == ((double) ((((16.2) < (WrapperStruct0.var_1_3)) ? (16.2) : (WrapperStruct0.var_1_3))))) [L103] EXPR ((! WrapperStruct0.var_1_2) ? (WrapperStruct0.var_1_1 == ((double) (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4))) : (WrapperStruct0.var_1_1 == ((double) ((((16.2) < (WrapperStruct0.var_1_3)) ? (16.2) : (WrapperStruct0.var_1_3)))))) && (((WrapperStruct0.var_1_3 + (WrapperStruct0.var_1_4 + WrapperStruct0.var_1_1)) != WrapperStruct0.var_1_1) ? (WrapperStruct0.var_1_2 ? (((- WrapperStruct0.var_1_13) <= WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_9 ? (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_4)) : 1) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) [L103] EXPR WrapperStruct0.var_1_3 [L103] EXPR WrapperStruct0.var_1_4 [L103] EXPR WrapperStruct0.var_1_1 [L103] EXPR WrapperStruct0.var_1_1 [L103] EXPR ((WrapperStruct0.var_1_3 + (WrapperStruct0.var_1_4 + WrapperStruct0.var_1_1)) != WrapperStruct0.var_1_1) ? (WrapperStruct0.var_1_2 ? (((- WrapperStruct0.var_1_13) <= WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_9 ? (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_4)) : 1) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3)) [L103] EXPR WrapperStruct0.var_1_2 [L103] EXPR WrapperStruct0.var_1_2 ? (((- WrapperStruct0.var_1_13) <= WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_9 ? (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_4)) : 1) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3)) [L103] EXPR WrapperStruct0.var_1_5 [L103] EXPR WrapperStruct0.var_1_3 [L103] EXPR WrapperStruct0.var_1_2 ? (((- WrapperStruct0.var_1_13) <= WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_9 ? (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_4)) : 1) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3)) [L103] EXPR ((WrapperStruct0.var_1_3 + (WrapperStruct0.var_1_4 + WrapperStruct0.var_1_1)) != WrapperStruct0.var_1_1) ? (WrapperStruct0.var_1_2 ? (((- WrapperStruct0.var_1_13) <= WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_9 ? (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_4)) : 1) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3)) [L103] EXPR ((! WrapperStruct0.var_1_2) ? (WrapperStruct0.var_1_1 == ((double) (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4))) : (WrapperStruct0.var_1_1 == ((double) ((((16.2) < (WrapperStruct0.var_1_3)) ? (16.2) : (WrapperStruct0.var_1_3)))))) && (((WrapperStruct0.var_1_3 + (WrapperStruct0.var_1_4 + WrapperStruct0.var_1_1)) != WrapperStruct0.var_1_1) ? (WrapperStruct0.var_1_2 ? (((- WrapperStruct0.var_1_13) <= WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_9 ? (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_4)) : 1) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) [L103] EXPR (((! WrapperStruct0.var_1_2) ? (WrapperStruct0.var_1_1 == ((double) (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4))) : (WrapperStruct0.var_1_1 == ((double) ((((16.2) < (WrapperStruct0.var_1_3)) ? (16.2) : (WrapperStruct0.var_1_3)))))) && (((WrapperStruct0.var_1_3 + (WrapperStruct0.var_1_4 + WrapperStruct0.var_1_1)) != WrapperStruct0.var_1_1) ? (WrapperStruct0.var_1_2 ? (((- WrapperStruct0.var_1_13) <= WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_9 ? (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_4)) : 1) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3)))) && (((last_1_WrapperStruct0_var_1_13 + last_1_WrapperStruct0_var_1_13) < last_1_WrapperStruct0_var_1_13) ? ((last_1_WrapperStruct0_var_1_13 > last_1_WrapperStruct0_var_1_13) ? (WrapperStruct0.var_1_10 == ((unsigned char) WrapperStruct0.var_1_12)) : 1) : 1) [L103] EXPR ((((! WrapperStruct0.var_1_2) ? (WrapperStruct0.var_1_1 == ((double) (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4))) : (WrapperStruct0.var_1_1 == ((double) ((((16.2) < (WrapperStruct0.var_1_3)) ? (16.2) : (WrapperStruct0.var_1_3)))))) && (((WrapperStruct0.var_1_3 + (WrapperStruct0.var_1_4 + WrapperStruct0.var_1_1)) != WrapperStruct0.var_1_1) ? (WrapperStruct0.var_1_2 ? (((- WrapperStruct0.var_1_13) <= WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_9 ? (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_4)) : 1) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3)))) && (((last_1_WrapperStruct0_var_1_13 + last_1_WrapperStruct0_var_1_13) < last_1_WrapperStruct0_var_1_13) ? ((last_1_WrapperStruct0_var_1_13 > last_1_WrapperStruct0_var_1_13) ? (WrapperStruct0.var_1_10 == ((unsigned char) WrapperStruct0.var_1_12)) : 1) : 1)) && (WrapperStruct0.var_1_9 ? (((WrapperStruct0.var_1_4 * (WrapperStruct0.var_1_3 - 5.3)) <= last_1_WrapperStruct0_var_1_5) ? (WrapperStruct0.var_1_13 == ((unsigned short int) last_1_WrapperStruct0_var_1_10)) : 1) : 1) [L103-L104] return ((((! WrapperStruct0.var_1_2) ? (WrapperStruct0.var_1_1 == ((double) (WrapperStruct0.var_1_3 - WrapperStruct0.var_1_4))) : (WrapperStruct0.var_1_1 == ((double) ((((16.2) < (WrapperStruct0.var_1_3)) ? (16.2) : (WrapperStruct0.var_1_3)))))) && (((WrapperStruct0.var_1_3 + (WrapperStruct0.var_1_4 + WrapperStruct0.var_1_1)) != WrapperStruct0.var_1_1) ? (WrapperStruct0.var_1_2 ? (((- WrapperStruct0.var_1_13) <= WrapperStruct0.var_1_10) ? (WrapperStruct0.var_1_9 ? (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_4)) : 1) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3))) : (WrapperStruct0.var_1_5 == ((double) WrapperStruct0.var_1_3)))) && (((last_1_WrapperStruct0_var_1_13 + last_1_WrapperStruct0_var_1_13) < last_1_WrapperStruct0_var_1_13) ? ((last_1_WrapperStruct0_var_1_13 > last_1_WrapperStruct0_var_1_13) ? (WrapperStruct0.var_1_10 == ((unsigned char) WrapperStruct0.var_1_12)) : 1) : 1)) && (WrapperStruct0.var_1_9 ? (((WrapperStruct0.var_1_4 * (WrapperStruct0.var_1_3 - 5.3)) <= last_1_WrapperStruct0_var_1_5) ? (WrapperStruct0.var_1_13 == ((unsigned short int) last_1_WrapperStruct0_var_1_10)) : 1) : 1) ; [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct0={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] [L19] reach_error() VAL [WrapperStruct0={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct0_var_1_10=100, last_1_WrapperStruct0_var_1_13=5, last_1_WrapperStruct0_var_1_5=21/4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 8, 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=25occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 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 [2023-11-23 21:20:55,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/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_4d0b30e3-3837-4a6b-a88e-3bba60894c58/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/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_4d0b30e3-3837-4a6b-a88e-3bba60894c58/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 673f48eff2c9fa553be4e6ec558f63c53157e8de398373430e9065fe538627b8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:20:58,597 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:20:58,674 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:20:58,680 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:20:58,680 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:20:58,708 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:20:58,709 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:20:58,710 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:20:58,711 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:20:58,711 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:20:58,712 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:20:58,713 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:20:58,713 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:20:58,714 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:20:58,715 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:20:58,715 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:20:58,716 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:20:58,717 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:20:58,718 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:20:58,718 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:20:58,719 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:20:58,720 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:20:58,720 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:20:58,721 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:20:58,722 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:20:58,722 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:20:58,723 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:20:58,723 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:20:58,724 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:20:58,725 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:20:58,726 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:20:58,726 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:20:58,727 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:20:58,727 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:20:58,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:58,728 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:20:58,728 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:20:58,729 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:20:58,729 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:20:58,729 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:20:58,730 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:20:58,730 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:20:58,730 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:20:58,731 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:20:58,731 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_4d0b30e3-3837-4a6b-a88e-3bba60894c58/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 673f48eff2c9fa553be4e6ec558f63c53157e8de398373430e9065fe538627b8 [2023-11-23 21:20:59,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:20:59,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:20:59,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:20:59,124 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:20:59,125 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:20:59,126 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i [2023-11-23 21:21:02,287 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:21:02,527 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:21:02,528 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i [2023-11-23 21:21:02,536 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/bin/utaipan-verify-mE87zJ7Ire/data/a5a6b2303/2862b1e0173d4a21b06202ff0d271f1f/FLAG35426148a [2023-11-23 21:21:02,548 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/bin/utaipan-verify-mE87zJ7Ire/data/a5a6b2303/2862b1e0173d4a21b06202ff0d271f1f [2023-11-23 21:21:02,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:21:02,553 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:21:02,555 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:02,555 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:21:02,567 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:21:02,568 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:02" (1/1) ... [2023-11-23 21:21:02,569 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d018e66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:02, skipping insertion in model container [2023-11-23 21:21:02,569 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:02" (1/1) ... [2023-11-23 21:21:02,599 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:21:02,820 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_4d0b30e3-3837-4a6b-a88e-3bba60894c58/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i[915,928] [2023-11-23 21:21:02,889 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:02,917 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:21:02,938 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_4d0b30e3-3837-4a6b-a88e-3bba60894c58/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-0.i[915,928] [2023-11-23 21:21:03,009 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:03,078 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:21:03,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:03 WrapperNode [2023-11-23 21:21:03,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:03,080 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:03,080 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:21:03,080 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:21:03,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:03" (1/1) ... [2023-11-23 21:21:03,143 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:03" (1/1) ... [2023-11-23 21:21:03,206 INFO L138 Inliner]: procedures = 33, calls = 111, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 317 [2023-11-23 21:21:03,207 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:03,208 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:21:03,208 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:21:03,208 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:21:03,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:03" (1/1) ... [2023-11-23 21:21:03,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:03" (1/1) ... [2023-11-23 21:21:03,243 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:03" (1/1) ... [2023-11-23 21:21:03,244 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:03" (1/1) ... [2023-11-23 21:21:03,280 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:03" (1/1) ... [2023-11-23 21:21:03,296 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:03" (1/1) ... [2023-11-23 21:21:03,299 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:03" (1/1) ... [2023-11-23 21:21:03,302 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:03" (1/1) ... [2023-11-23 21:21:03,309 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:21:03,310 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:21:03,310 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:21:03,310 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:21:03,311 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:03" (1/1) ... [2023-11-23 21:21:03,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:03,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:21:03,354 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:21:03,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:21:03,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:21:03,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-23 21:21:03,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-23 21:21:03,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-23 21:21:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-23 21:21:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:21:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-23 21:21:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-23 21:21:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:21:03,404 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:21:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:21:03,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:21:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-23 21:21:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-23 21:21:03,562 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:21:03,564 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:21:17,083 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:21:17,132 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:21:17,132 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:21:17,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:17 BoogieIcfgContainer [2023-11-23 21:21:17,133 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:21:17,135 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:21:17,136 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:21:17,139 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:21:17,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:21:02" (1/3) ... [2023-11-23 21:21:17,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2919dd72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:17, skipping insertion in model container [2023-11-23 21:21:17,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:03" (2/3) ... [2023-11-23 21:21:17,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2919dd72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:17, skipping insertion in model container [2023-11-23 21:21:17,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:17" (3/3) ... [2023-11-23 21:21:17,142 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-0.i [2023-11-23 21:21:17,163 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:21:17,163 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:21:17,218 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:21:17,225 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;@fc54d55, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:21:17,225 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:21:17,230 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 67 states have (on average 1.507462686567164) internal successors, (101), 68 states have internal predecessors, (101), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-23 21:21:17,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-23 21:21:17,242 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:17,242 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 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 21:21:17,243 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:17,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:17,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1937123480, now seen corresponding path program 1 times [2023-11-23 21:21:17,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:21:17,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [851177569] [2023-11-23 21:21:17,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:17,264 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 21:21:17,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:21:17,268 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/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 21:21:17,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/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 21:21:17,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:17,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:21:17,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:17,966 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-11-23 21:21:17,966 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:21:17,967 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:21:17,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [851177569] [2023-11-23 21:21:17,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [851177569] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:21:17,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:21:17,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:21:17,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995419435] [2023-11-23 21:21:17,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:21:17,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:21:17,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:21:18,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:21:18,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:21:18,023 INFO L87 Difference]: Start difference. First operand has 78 states, 67 states have (on average 1.507462686567164) internal successors, (101), 68 states have internal predecessors, (101), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-23 21:21:18,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:21:18,082 INFO L93 Difference]: Finished difference Result 150 states and 235 transitions. [2023-11-23 21:21:18,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:21:18,084 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 73 [2023-11-23 21:21:18,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:21:18,092 INFO L225 Difference]: With dead ends: 150 [2023-11-23 21:21:18,093 INFO L226 Difference]: Without dead ends: 73 [2023-11-23 21:21:18,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 72 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 21:21:18,099 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:21:18,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:21:18,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-23 21:21:18,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-23 21:21:18,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 63 states have (on average 1.380952380952381) internal successors, (87), 63 states have internal predecessors, (87), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-23 21:21:18,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 103 transitions. [2023-11-23 21:21:18,146 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 103 transitions. Word has length 73 [2023-11-23 21:21:18,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:21:18,147 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 103 transitions. [2023-11-23 21:21:18,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-23 21:21:18,147 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 103 transitions. [2023-11-23 21:21:18,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-23 21:21:18,151 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:18,151 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 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 21:21:18,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/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 21:21:18,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/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 21:21:18,366 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:18,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:18,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1070185116, now seen corresponding path program 1 times [2023-11-23 21:21:18,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:21:18,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1043496673] [2023-11-23 21:21:18,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:18,368 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 21:21:18,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:21:18,370 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/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 21:21:18,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0b30e3-3837-4a6b-a88e-3bba60894c58/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 21:21:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:18,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:21:18,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:19,223 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:21:19,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2023-11-23 21:21:19,377 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-23 21:21:19,377 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:21:19,378 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:21:19,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1043496673] [2023-11-23 21:21:19,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1043496673] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:21:19,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:21:19,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:21:19,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018172609] [2023-11-23 21:21:19,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:21:19,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:21:19,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:21:19,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:21:19,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:21:19,383 INFO L87 Difference]: Start difference. First operand 73 states and 103 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-23 21:21:22,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:24,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:26,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:28,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:30,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:32,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:34,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:36,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:38,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:39,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:42,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:45,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:47,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:49,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:50,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:52,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:54,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:56,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []