./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float22.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --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 a1a8d839de719affcdce7d478fe01c72ef8bd5c3f8508077dd75702521e0650f ...................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --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 a1a8d839de719affcdce7d478fe01c72ef8bd5c3f8508077dd75702521e0650f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 1) (_ BitVec 1)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:33:51,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:33:51,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:33:51,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:33:51,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:33:51,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:33:51,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:33:51,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:33:51,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:33:51,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:33:51,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:33:51,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:33:51,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:33:51,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:33:51,229 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:33:51,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:33:51,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:33:51,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:33:51,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:33:51,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:33:51,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:33:51,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:33:51,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:33:51,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:33:51,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:33:51,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:33:51,260 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:33:51,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:33:51,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:33:51,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:33:51,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:33:51,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:33:51,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:33:51,267 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:33:51,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:33:51,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:33:51,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:33:51,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:33:51,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:33:51,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:33:51,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:33:51,279 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:33:51,332 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:33:51,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:33:51,334 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:33:51,335 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:33:51,335 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:33:51,335 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:33:51,335 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:33:51,336 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:33:51,343 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:33:51,344 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:33:51,345 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:33:51,345 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:33:51,346 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:33:51,346 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:33:51,346 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:33:51,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:33:51,348 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:33:51,348 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:33:51,348 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:33:51,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:33:51,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:33:51,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:33:51,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:33:51,349 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:33:51,349 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:33:51,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:33:51,350 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:33:51,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:33:51,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:33:51,352 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:33:51,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:33:51,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:33:51,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:33:51,354 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:33:51,354 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:33:51,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:33:51,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:33:51,355 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:33:51,355 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:33:51,355 INFO L138 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_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1a8d839de719affcdce7d478fe01c72ef8bd5c3f8508077dd75702521e0650f [2021-10-29 05:33:51,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:33:51,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:33:51,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:33:51,737 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:33:51,738 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:33:51,739 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/floats-cbmc-regression/float22.i [2021-10-29 05:33:51,824 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/data/367ddd880/694bdfe1a58242a2a761f5c29f440594/FLAG0e5bfdbe6 [2021-10-29 05:33:52,489 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:33:52,490 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/sv-benchmarks/c/floats-cbmc-regression/float22.i [2021-10-29 05:33:52,509 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/data/367ddd880/694bdfe1a58242a2a761f5c29f440594/FLAG0e5bfdbe6 [2021-10-29 05:33:52,805 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/data/367ddd880/694bdfe1a58242a2a761f5c29f440594 [2021-10-29 05:33:52,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:33:52,809 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:33:52,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:33:52,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:33:52,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:33:52,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:33:52" (1/1) ... [2021-10-29 05:33:52,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52a630d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:52, skipping insertion in model container [2021-10-29 05:33:52,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:33:52" (1/1) ... [2021-10-29 05:33:52,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:33:52,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:33:53,093 WARN L228 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_93092315-8df6-4c7b-9785-ea9978ee7635/sv-benchmarks/c/floats-cbmc-regression/float22.i[2558,2571] [2021-10-29 05:33:53,098 WARN L228 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_93092315-8df6-4c7b-9785-ea9978ee7635/sv-benchmarks/c/floats-cbmc-regression/float22.i[2753,2766] [2021-10-29 05:33:53,100 WARN L228 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_93092315-8df6-4c7b-9785-ea9978ee7635/sv-benchmarks/c/floats-cbmc-regression/float22.i[2881,2894] [2021-10-29 05:33:53,103 WARN L228 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_93092315-8df6-4c7b-9785-ea9978ee7635/sv-benchmarks/c/floats-cbmc-regression/float22.i[3073,3086] [2021-10-29 05:33:53,105 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:33:53,114 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:33:53,141 WARN L228 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_93092315-8df6-4c7b-9785-ea9978ee7635/sv-benchmarks/c/floats-cbmc-regression/float22.i[2558,2571] [2021-10-29 05:33:53,144 WARN L228 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_93092315-8df6-4c7b-9785-ea9978ee7635/sv-benchmarks/c/floats-cbmc-regression/float22.i[2753,2766] [2021-10-29 05:33:53,146 WARN L228 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_93092315-8df6-4c7b-9785-ea9978ee7635/sv-benchmarks/c/floats-cbmc-regression/float22.i[2881,2894] [2021-10-29 05:33:53,150 WARN L228 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_93092315-8df6-4c7b-9785-ea9978ee7635/sv-benchmarks/c/floats-cbmc-regression/float22.i[3073,3086] [2021-10-29 05:33:53,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:33:53,169 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:33:53,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:53 WrapperNode [2021-10-29 05:33:53,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:33:53,171 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:33:53,171 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:33:53,171 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:33:53,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:53" (1/1) ... [2021-10-29 05:33:53,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:53" (1/1) ... [2021-10-29 05:33:53,255 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:33:53,260 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:33:53,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:33:53,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:33:53,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:53" (1/1) ... [2021-10-29 05:33:53,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:53" (1/1) ... [2021-10-29 05:33:53,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:53" (1/1) ... [2021-10-29 05:33:53,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:53" (1/1) ... [2021-10-29 05:33:53,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:53" (1/1) ... [2021-10-29 05:33:53,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:53" (1/1) ... [2021-10-29 05:33:53,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:53" (1/1) ... [2021-10-29 05:33:53,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:33:53,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:33:53,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:33:53,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:33:53,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:53" (1/1) ... [2021-10-29 05:33:53,320 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:33:53,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:33:53,366 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:33:53,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:33:53,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 05:33:53,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:33:53,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-29 05:33:53,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 05:33:53,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-29 05:33:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:33:53,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:33:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 05:33:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 05:33:54,804 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:33:54,805 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-10-29 05:33:54,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:33:54 BoogieIcfgContainer [2021-10-29 05:33:54,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:33:54,811 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:33:54,811 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:33:54,815 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:33:54,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:33:52" (1/3) ... [2021-10-29 05:33:54,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@334e6b21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:33:54, skipping insertion in model container [2021-10-29 05:33:54,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:33:53" (2/3) ... [2021-10-29 05:33:54,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@334e6b21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:33:54, skipping insertion in model container [2021-10-29 05:33:54,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:33:54" (3/3) ... [2021-10-29 05:33:54,819 INFO L111 eAbstractionObserver]: Analyzing ICFG float22.i [2021-10-29 05:33:54,825 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:33:54,825 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-10-29 05:33:54,886 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:33:54,893 INFO L339 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=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 05:33:54,893 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-29 05:33:54,906 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 17 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:33:54,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 05:33:54,911 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:33:54,912 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-29 05:33:54,913 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-29 05:33:54,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:33:54,920 INFO L85 PathProgramCache]: Analyzing trace with hash 103116, now seen corresponding path program 1 times [2021-10-29 05:33:54,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:33:54,938 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003187229] [2021-10-29 05:33:54,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:33:54,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:33:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:33:55,202 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 05:33:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:33:55,348 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-29 05:33:55,351 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-29 05:33:55,353 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:33:55,357 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:33:55,357 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:33:55,358 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:33:55,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-29 05:33:55,364 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-10-29 05:33:55,368 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:33:55,376 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled [2021-10-29 05:33:55,378 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled [2021-10-29 05:33:55,380 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled [2021-10-29 05:33:55,380 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled [2021-10-29 05:33:55,381 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled [2021-10-29 05:33:55,381 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled [2021-10-29 05:33:55,381 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled [2021-10-29 05:33:55,382 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled [2021-10-29 05:33:55,382 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled [2021-10-29 05:33:55,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:33:55 BoogieIcfgContainer [2021-10-29 05:33:55,404 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:33:55,408 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:33:55,408 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:33:55,408 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:33:55,409 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:33:54" (3/4) ... [2021-10-29 05:33:55,412 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-29 05:33:55,413 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:33:55,416 INFO L168 Benchmark]: Toolchain (without parser) took 2604.83 ms. Allocated memory was 96.5 MB in the beginning and 127.9 MB in the end (delta: 31.5 MB). Free memory was 55.9 MB in the beginning and 59.6 MB in the end (delta: -3.7 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB. [2021-10-29 05:33:55,417 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 96.5 MB. Free memory is still 72.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:33:55,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.66 ms. Allocated memory is still 96.5 MB. Free memory was 55.7 MB in the beginning and 70.9 MB in the end (delta: -15.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:33:55,421 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.87 ms. Allocated memory is still 96.5 MB. Free memory was 70.9 MB in the beginning and 68.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:33:55,422 INFO L168 Benchmark]: Boogie Preprocessor took 39.37 ms. Allocated memory is still 96.5 MB. Free memory was 68.3 MB in the beginning and 66.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:33:55,428 INFO L168 Benchmark]: RCFGBuilder took 1508.16 ms. Allocated memory was 96.5 MB in the beginning and 127.9 MB in the end (delta: 31.5 MB). Free memory was 66.0 MB in the beginning and 79.1 MB in the end (delta: -13.1 MB). Peak memory consumption was 43.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:33:55,430 INFO L168 Benchmark]: TraceAbstraction took 593.32 ms. Allocated memory is still 127.9 MB. Free memory was 78.5 MB in the beginning and 59.6 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-29 05:33:55,431 INFO L168 Benchmark]: Witness Printer took 5.61 ms. Allocated memory is still 127.9 MB. Free memory is still 59.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:33:55,441 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 96.5 MB. Free memory is still 72.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 352.66 ms. Allocated memory is still 96.5 MB. Free memory was 55.7 MB in the beginning and 70.9 MB in the end (delta: -15.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 88.87 ms. Allocated memory is still 96.5 MB. Free memory was 70.9 MB in the beginning and 68.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.37 ms. Allocated memory is still 96.5 MB. Free memory was 68.3 MB in the beginning and 66.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1508.16 ms. Allocated memory was 96.5 MB in the beginning and 127.9 MB in the end (delta: 31.5 MB). Free memory was 66.0 MB in the beginning and 79.1 MB in the end (delta: -13.1 MB). Peak memory consumption was 43.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 593.32 ms. Allocated memory is still 127.9 MB. Free memory was 78.5 MB in the beginning and 59.6 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Witness Printer took 5.61 ms. Allocated memory is still 127.9 MB. Free memory is still 59.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList returnsStructure_#res : ~ieee754_float~0 not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - 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: 144]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 130. Possible FailurePath: [L139] ieee754_float f1, f2; [L128] ieee754_float c; [L130] c.ieee.negative = index & 0x1 [L131] c.ieee.exponent = 0 [L132] c.ieee.mantissa = 0 [L134] return c; [L134] return c; [L141] f1 = returnsStructure(0) [L128] ieee754_float c; [L130] c.ieee.negative = index & 0x1 [L131] c.ieee.exponent = 0 [L132] c.ieee.mantissa = 0 [L134] return c; [L134] return c; [L142] f2 = returnsStructure(1) [L144] EXPR f1.ieee.negative [L144] EXPR f2.ieee.negative VAL [unknown-returnsStructure_#res.ieee.exponent-unknown=0, unknown-returnsStructure_#res.ieee.mantissa-unknown=0, unknown-returnsStructure_#res.ieee.negative-unknown=0] [L144] COND TRUE !(f1.ieee.negative != f2.ieee.negative) [L144] reach_error() VAL [unknown-returnsStructure_#res.ieee.exponent-unknown=0, unknown-returnsStructure_#res.ieee.mantissa-unknown=0, unknown-returnsStructure_#res.ieee.negative-unknown=0] - UnprovableResult [Line: 156]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 161]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 173]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-29 05:33:55,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:33:58,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:33:58,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:33:58,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:33:58,408 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:33:58,413 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:33:58,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:33:58,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:33:58,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:33:58,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:33:58,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:33:58,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:33:58,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:33:58,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:33:58,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:33:58,446 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:33:58,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:33:58,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:33:58,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:33:58,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:33:58,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:33:58,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:33:58,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:33:58,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:33:58,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:33:58,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:33:58,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:33:58,487 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:33:58,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:33:58,489 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:33:58,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:33:58,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:33:58,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:33:58,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:33:58,495 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:33:58,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:33:58,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:33:58,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:33:58,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:33:58,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:33:58,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:33:58,501 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:33:58,535 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:33:58,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:33:58,536 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:33:58,537 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:33:58,537 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:33:58,538 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:33:58,538 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:33:58,538 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:33:58,538 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:33:58,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:33:58,540 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:33:58,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:33:58,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:33:58,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:33:58,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:33:58,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:33:58,542 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:33:58,542 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:33:58,542 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:33:58,543 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:33:58,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:33:58,543 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:33:58,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:33:58,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:33:58,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:33:58,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:33:58,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:33:58,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:33:58,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:33:58,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:33:58,546 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:33:58,546 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:33:58,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:33:58,547 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:33:58,547 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:33:58,548 INFO L138 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_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1a8d839de719affcdce7d478fe01c72ef8bd5c3f8508077dd75702521e0650f [2021-10-29 05:33:58,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:33:59,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:33:59,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:33:59,020 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:33:59,020 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:33:59,021 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/floats-cbmc-regression/float22.i [2021-10-29 05:33:59,100 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/data/d8b2f95d9/3b37d66cb05e451a88a8e48117170c57/FLAG7ff899836 [2021-10-29 05:33:59,703 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:33:59,708 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/sv-benchmarks/c/floats-cbmc-regression/float22.i [2021-10-29 05:33:59,718 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/data/d8b2f95d9/3b37d66cb05e451a88a8e48117170c57/FLAG7ff899836 [2021-10-29 05:34:00,045 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/data/d8b2f95d9/3b37d66cb05e451a88a8e48117170c57 [2021-10-29 05:34:00,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:34:00,057 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:34:00,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:34:00,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:34:00,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:34:00,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:34:00" (1/1) ... [2021-10-29 05:34:00,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19da125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:34:00, skipping insertion in model container [2021-10-29 05:34:00,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:34:00" (1/1) ... [2021-10-29 05:34:00,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:34:00,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:34:00,306 WARN L228 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_93092315-8df6-4c7b-9785-ea9978ee7635/sv-benchmarks/c/floats-cbmc-regression/float22.i[2558,2571] [2021-10-29 05:34:00,312 WARN L228 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_93092315-8df6-4c7b-9785-ea9978ee7635/sv-benchmarks/c/floats-cbmc-regression/float22.i[2753,2766] [2021-10-29 05:34:00,314 WARN L228 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_93092315-8df6-4c7b-9785-ea9978ee7635/sv-benchmarks/c/floats-cbmc-regression/float22.i[2881,2894] [2021-10-29 05:34:00,317 WARN L228 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_93092315-8df6-4c7b-9785-ea9978ee7635/sv-benchmarks/c/floats-cbmc-regression/float22.i[3073,3086] [2021-10-29 05:34:00,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:34:00,336 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:34:00,378 WARN L228 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_93092315-8df6-4c7b-9785-ea9978ee7635/sv-benchmarks/c/floats-cbmc-regression/float22.i[2558,2571] [2021-10-29 05:34:00,383 WARN L228 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_93092315-8df6-4c7b-9785-ea9978ee7635/sv-benchmarks/c/floats-cbmc-regression/float22.i[2753,2766] [2021-10-29 05:34:00,386 WARN L228 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_93092315-8df6-4c7b-9785-ea9978ee7635/sv-benchmarks/c/floats-cbmc-regression/float22.i[2881,2894] [2021-10-29 05:34:00,390 WARN L228 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_93092315-8df6-4c7b-9785-ea9978ee7635/sv-benchmarks/c/floats-cbmc-regression/float22.i[3073,3086] [2021-10-29 05:34:00,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:34:00,412 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:34:00,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:34:00 WrapperNode [2021-10-29 05:34:00,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:34:00,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:34:00,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:34:00,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:34:00,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:34:00" (1/1) ... [2021-10-29 05:34:00,460 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:34:00" (1/1) ... [2021-10-29 05:34:00,500 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:34:00,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:34:00,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:34:00,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:34:00,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:34:00" (1/1) ... [2021-10-29 05:34:00,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:34:00" (1/1) ... [2021-10-29 05:34:00,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:34:00" (1/1) ... [2021-10-29 05:34:00,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:34:00" (1/1) ... [2021-10-29 05:34:00,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:34:00" (1/1) ... [2021-10-29 05:34:00,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:34:00" (1/1) ... [2021-10-29 05:34:00,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:34:00" (1/1) ... [2021-10-29 05:34:00,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:34:00,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:34:00,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:34:00,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:34:00,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:34:00" (1/1) ... [2021-10-29 05:34:00,557 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:34:00,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:34:00,611 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:34:00,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:34:00,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:34:00,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:34:00,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-29 05:34:00,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-29 05:34:00,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:34:00,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:34:00,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-29 05:34:00,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 05:34:00,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-29 05:34:01,488 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:34:01,489 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-10-29 05:34:01,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:34:01 BoogieIcfgContainer [2021-10-29 05:34:01,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:34:01,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:34:01,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:34:01,499 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:34:01,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:34:00" (1/3) ... [2021-10-29 05:34:01,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@752b1c25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:34:01, skipping insertion in model container [2021-10-29 05:34:01,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:34:00" (2/3) ... [2021-10-29 05:34:01,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@752b1c25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:34:01, skipping insertion in model container [2021-10-29 05:34:01,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:34:01" (3/3) ... [2021-10-29 05:34:01,504 INFO L111 eAbstractionObserver]: Analyzing ICFG float22.i [2021-10-29 05:34:01,509 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:34:01,510 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-10-29 05:34:01,581 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:34:01,591 INFO L339 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=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 05:34:01,592 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-29 05:34:01,612 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 31 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:34:01,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 05:34:01,624 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:34:01,625 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-29 05:34:01,626 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-29 05:34:01,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:34:01,650 INFO L85 PathProgramCache]: Analyzing trace with hash 889475942, now seen corresponding path program 1 times [2021-10-29 05:34:01,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:34:01,667 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [999496050] [2021-10-29 05:34:01,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:34:01,668 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:34:01,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:34:01,672 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:34:01,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:34:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:34:01,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-29 05:34:01,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:34:02,042 INFO L354 Elim1Store]: treesize reduction 47, result has 25.4 percent of original size [2021-10-29 05:34:02,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 74 treesize of output 78 [2021-10-29 05:34:02,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 75 [2021-10-29 05:34:02,928 INFO L354 Elim1Store]: treesize reduction 977, result has 5.0 percent of original size [2021-10-29 05:34:02,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 9 case distinctions, treesize of input 165 treesize of output 153 [2021-10-29 05:34:03,031 INFO L354 Elim1Store]: treesize reduction 24, result has 41.5 percent of original size [2021-10-29 05:34:03,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 128 treesize of output 136 [2021-10-29 05:34:03,369 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-10-29 05:34:03,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 24423 treesize of output 23875 [2021-10-29 05:34:06,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:34:06,043 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:34:11,560 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_returnsStructure_#res.ieee.mantissa| (_ BitVec 32)) (|ULTIMATE.start_testOne_~#f1~0.offset| (_ BitVec 32)) (|ULTIMATE.start_returnsStructure_#res.ieee.negative| (_ BitVec 32)) (|ULTIMATE.start_returnsStructure_#res.ieee.exponent| (_ BitVec 32)) (|v_ULTIMATE.start_testOne_#t~mem10_9| (_ BitVec 32)) (|v_ULTIMATE.start_returnsStructure_#res.ieee.exponent_15| (_ BitVec 32)) (|ULTIMATE.start_testOne_~#f2~0.offset| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_17| (_ BitVec 32)) (|v_ULTIMATE.start_returnsStructure_~#c~1.base_18| (_ BitVec 32)) (|v_ULTIMATE.start_returnsStructure_#res.ieee.mantissa_15| (_ BitVec 32))) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_testOne_~#f1~0.base| (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_testOne_~#f1~0.base|) |ULTIMATE.start_testOne_~#f1~0.offset| |ULTIMATE.start_returnsStructure_#res.ieee.negative|) (bvadd (_ bv4 32) |ULTIMATE.start_testOne_~#f1~0.offset|) |ULTIMATE.start_returnsStructure_#res.ieee.exponent|) (bvadd (_ bv8 32) |ULTIMATE.start_testOne_~#f1~0.offset|) |ULTIMATE.start_returnsStructure_#res.ieee.mantissa|) |ULTIMATE.start_testOne_~#f1~0.offset| |v_skolemized_q#valueAsBitvector_17|)))) (let ((.cse3 (store (store (store (select .cse2 |v_ULTIMATE.start_returnsStructure_~#c~1.base_18|) (_ bv0 32) (_ bv1 32)) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (_ bv0 32)))) (let ((.cse0 (select .cse3 (_ bv0 32)))) (or (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_ULTIMATE.start_returnsStructure_~#c~1.base_18|))))) (not (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) (fp ((_ extract 31 31) |v_ULTIMATE.start_testOne_#t~mem10_9|) ((_ extract 30 23) |v_ULTIMATE.start_testOne_#t~mem10_9|) ((_ extract 22 0) |v_ULTIMATE.start_testOne_#t~mem10_9|)))) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_17|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_17|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_17|)) |c_ULTIMATE.start_returnsStructure_#res.f|)) (not (= |v_ULTIMATE.start_testOne_#t~mem10_9| (select (select (let ((.cse1 (store .cse2 |v_ULTIMATE.start_returnsStructure_~#c~1.base_18| .cse3))) (store .cse1 |c_ULTIMATE.start_testOne_~#f2~0.base| (store (store (store (store (select .cse1 |c_ULTIMATE.start_testOne_~#f2~0.base|) |ULTIMATE.start_testOne_~#f2~0.offset| .cse0) (bvadd |ULTIMATE.start_testOne_~#f2~0.offset| (_ bv4 32)) |v_ULTIMATE.start_returnsStructure_#res.ieee.exponent_15|) (bvadd |ULTIMATE.start_testOne_~#f2~0.offset| (_ bv8 32)) |v_ULTIMATE.start_returnsStructure_#res.ieee.mantissa_15|) |ULTIMATE.start_testOne_~#f2~0.offset| |v_ULTIMATE.start_testOne_#t~mem10_9|))) |c_ULTIMATE.start_testOne_~#f1~0.base|) |ULTIMATE.start_testOne_~#f1~0.offset|)))))))) is different from false [2021-10-29 05:34:11,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:34:11,637 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:34:11,638 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [999496050] [2021-10-29 05:34:11,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [999496050] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:34:11,639 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:34:11,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-29 05:34:11,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648354099] [2021-10-29 05:34:11,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:34:11,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:34:11,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:34:11,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=30, Unknown=1, NotChecked=10, Total=56 [2021-10-29 05:34:11,666 INFO L87 Difference]: Start difference. First operand has 32 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 31 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:34:16,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:34:16,018 INFO L93 Difference]: Finished difference Result 57 states and 62 transitions. [2021-10-29 05:34:16,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:34:16,019 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-10-29 05:34:16,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:34:16,027 INFO L225 Difference]: With dead ends: 57 [2021-10-29 05:34:16,027 INFO L226 Difference]: Without dead ends: 25 [2021-10-29 05:34:16,030 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=25, Invalid=50, Unknown=1, NotChecked=14, Total=90 [2021-10-29 05:34:16,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-10-29 05:34:16,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-10-29 05:34:16,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 24 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:34:16,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2021-10-29 05:34:16,068 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 6 [2021-10-29 05:34:16,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:34:16,068 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2021-10-29 05:34:16,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:34:16,069 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2021-10-29 05:34:16,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 05:34:16,070 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:34:16,070 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:34:16,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:34:16,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:34:16,288 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-29 05:34:16,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:34:16,289 INFO L85 PathProgramCache]: Analyzing trace with hash 2061469933, now seen corresponding path program 1 times [2021-10-29 05:34:16,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:34:16,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2137387272] [2021-10-29 05:34:16,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:34:16,290 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:34:16,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:34:16,292 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:34:16,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:34:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:34:16,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-29 05:34:16,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:34:16,720 INFO L354 Elim1Store]: treesize reduction 46, result has 27.0 percent of original size [2021-10-29 05:34:16,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 76 treesize of output 81 [2021-10-29 05:34:16,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 76 [2021-10-29 05:34:17,359 INFO L354 Elim1Store]: treesize reduction 977, result has 5.0 percent of original size [2021-10-29 05:34:17,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 9 case distinctions, treesize of input 166 treesize of output 154 [2021-10-29 05:34:17,450 INFO L354 Elim1Store]: treesize reduction 24, result has 41.5 percent of original size [2021-10-29 05:34:17,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 129 treesize of output 137 [2021-10-29 05:34:17,721 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-10-29 05:34:17,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 435 treesize of output 391 [2021-10-29 05:34:17,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:34:17,865 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:34:25,319 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_testTwo_~#f2~1.offset| (_ BitVec 32)) (|v_ULTIMATE.start_returnsStructure_#res.ieee.exponent_19| (_ BitVec 32)) (|v_ULTIMATE.start_testTwo_#t~mem14_9| (_ BitVec 32)) (|v_ULTIMATE.start_returnsStructure_~#c~1.base_23| (_ BitVec 32)) (|ULTIMATE.start_returnsStructure_#res.ieee.mantissa| (_ BitVec 32)) (|ULTIMATE.start_returnsStructure_#res.ieee.negative| (_ BitVec 32)) (|ULTIMATE.start_returnsStructure_#res.ieee.exponent| (_ BitVec 32)) (|ULTIMATE.start_testTwo_~#f1~1.offset| (_ BitVec 32)) (|v_ULTIMATE.start_returnsStructure_#res.ieee.mantissa_19| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_19| (_ BitVec 32))) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_testTwo_~#f1~1.base| (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_testTwo_~#f1~1.base|) |ULTIMATE.start_testTwo_~#f1~1.offset| |ULTIMATE.start_returnsStructure_#res.ieee.negative|) (bvadd (_ bv4 32) |ULTIMATE.start_testTwo_~#f1~1.offset|) |ULTIMATE.start_returnsStructure_#res.ieee.exponent|) (bvadd (_ bv8 32) |ULTIMATE.start_testTwo_~#f1~1.offset|) |ULTIMATE.start_returnsStructure_#res.ieee.mantissa|) |ULTIMATE.start_testTwo_~#f1~1.offset| |v_skolemized_q#valueAsBitvector_19|)))) (let ((.cse3 (store (store (store (select .cse2 |v_ULTIMATE.start_returnsStructure_~#c~1.base_23|) (_ bv0 32) (_ bv1 32)) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (_ bv0 32)))) (let ((.cse1 (select .cse3 (_ bv0 32)))) (or (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_19|)) |c_ULTIMATE.start_returnsStructure_#res.f|)) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_returnsStructure_~#c~1.base_23|))) (not (= |v_ULTIMATE.start_testTwo_#t~mem14_9| (select (select (let ((.cse0 (store .cse2 |v_ULTIMATE.start_returnsStructure_~#c~1.base_23| .cse3))) (store .cse0 |c_ULTIMATE.start_testTwo_~#f2~1.base| (store (store (store (store (select .cse0 |c_ULTIMATE.start_testTwo_~#f2~1.base|) |ULTIMATE.start_testTwo_~#f2~1.offset| .cse1) (bvadd (_ bv4 32) |ULTIMATE.start_testTwo_~#f2~1.offset|) |v_ULTIMATE.start_returnsStructure_#res.ieee.exponent_19|) (bvadd (_ bv8 32) |ULTIMATE.start_testTwo_~#f2~1.offset|) |v_ULTIMATE.start_returnsStructure_#res.ieee.mantissa_19|) |ULTIMATE.start_testTwo_~#f2~1.offset| |v_ULTIMATE.start_testTwo_#t~mem14_9|))) |c_ULTIMATE.start_testTwo_~#f1~1.base|) |ULTIMATE.start_testTwo_~#f1~1.offset|))) (not (= (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)) (fp ((_ extract 31 31) |v_ULTIMATE.start_testTwo_#t~mem14_9|) ((_ extract 30 23) |v_ULTIMATE.start_testTwo_#t~mem14_9|) ((_ extract 22 0) |v_ULTIMATE.start_testTwo_#t~mem14_9|))))))))) is different from false [2021-10-29 05:34:25,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:34:25,428 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:34:25,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2137387272] [2021-10-29 05:34:25,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2137387272] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:34:25,429 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:34:25,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-29 05:34:25,430 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271320226] [2021-10-29 05:34:25,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:34:25,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:34:25,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:34:25,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=28, Unknown=3, NotChecked=10, Total=56 [2021-10-29 05:34:25,433 INFO L87 Difference]: Start difference. First operand 25 states and 24 transitions. Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:34:31,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:34:31,731 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2021-10-29 05:34:31,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 05:34:31,733 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-29 05:34:31,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:34:31,734 INFO L225 Difference]: With dead ends: 25 [2021-10-29 05:34:31,734 INFO L226 Difference]: Without dead ends: 23 [2021-10-29 05:34:31,735 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=25, Invalid=48, Unknown=3, NotChecked=14, Total=90 [2021-10-29 05:34:31,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-10-29 05:34:31,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2021-10-29 05:34:31,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 21 states have (on average 1.0476190476190477) internal successors, (22), 22 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:34:31,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 22 transitions. [2021-10-29 05:34:31,742 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 22 transitions. Word has length 11 [2021-10-29 05:34:31,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:34:31,743 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 22 transitions. [2021-10-29 05:34:31,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:34:31,744 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2021-10-29 05:34:31,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 05:34:31,744 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:34:31,745 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:34:31,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-29 05:34:31,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:34:31,952 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-29 05:34:31,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:34:31,953 INFO L85 PathProgramCache]: Analyzing trace with hash -2079313263, now seen corresponding path program 1 times [2021-10-29 05:34:31,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:34:31,954 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1277454094] [2021-10-29 05:34:31,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:34:31,954 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:34:31,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:34:31,962 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:34:31,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 05:34:32,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:34:32,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-29 05:34:32,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:34:32,532 INFO L354 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2021-10-29 05:34:32,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 34 [2021-10-29 05:34:32,698 INFO L354 Elim1Store]: treesize reduction 81, result has 23.6 percent of original size [2021-10-29 05:34:32,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 35 treesize of output 50 [2021-10-29 05:34:33,015 INFO L354 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2021-10-29 05:34:33,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 85 treesize of output 95 [2021-10-29 05:34:33,088 INFO L354 Elim1Store]: treesize reduction 81, result has 23.6 percent of original size [2021-10-29 05:34:33,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 89 treesize of output 104 [2021-10-29 05:34:33,425 INFO L354 Elim1Store]: treesize reduction 132, result has 25.0 percent of original size [2021-10-29 05:34:33,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 16 case distinctions, treesize of input 153 treesize of output 152 [2021-10-29 05:34:33,482 INFO L354 Elim1Store]: treesize reduction 36, result has 26.5 percent of original size [2021-10-29 05:34:33,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 134 treesize of output 138 [2021-10-29 05:34:33,692 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-29 05:34:33,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 101 treesize of output 65 [2021-10-29 05:34:33,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:34:33,767 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:34:41,854 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_testTwo_#t~mem18_10| (_ BitVec 32)) (|v_ULTIMATE.start_returnsField_~#c~0.base_17| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_21| (_ BitVec 32)) (|v_ULTIMATE.start_returnsField_~#c~0.base_18| (_ BitVec 32))) (let ((.cse1 (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_returnsField_~#c~0.base_17|) (_ bv0 32) (_ bv0 32)) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (_ bv0 32)))) (let ((.cse5 (let ((.cse6 (store |c_#memory_int| |v_ULTIMATE.start_returnsField_~#c~0.base_17| .cse1))) (store .cse6 |c_ULTIMATE.start_testTwo_~#f1~1.base| (store (select .cse6 |c_ULTIMATE.start_testTwo_~#f1~1.base|) |c_ULTIMATE.start_testTwo_~#f1~1.offset| |v_skolemized_q#valueAsBitvector_21|))))) (let ((.cse3 (store (store (store (select .cse5 |v_ULTIMATE.start_returnsField_~#c~0.base_18|) (_ bv0 32) (_ bv1 32)) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (_ bv0 32)))) (or (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_21|)) (let ((.cse0 (select .cse1 (_ bv0 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))))) (not (= (_ bv0 1) (select (store |c_#valid| |v_ULTIMATE.start_returnsField_~#c~0.base_17| (_ bv0 1)) |v_ULTIMATE.start_returnsField_~#c~0.base_18|))) (not (= (fp ((_ extract 31 31) |v_ULTIMATE.start_testTwo_#t~mem18_10|) ((_ extract 30 23) |v_ULTIMATE.start_testTwo_#t~mem18_10|) ((_ extract 22 0) |v_ULTIMATE.start_testTwo_#t~mem18_10|)) (let ((.cse2 (select .cse3 (_ bv0 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (not (= (select (select (let ((.cse4 (store .cse5 |v_ULTIMATE.start_returnsField_~#c~0.base_18| .cse3))) (store .cse4 |c_ULTIMATE.start_testTwo_~#f2~1.base| (store (select .cse4 |c_ULTIMATE.start_testTwo_~#f2~1.base|) |c_ULTIMATE.start_testTwo_~#f2~1.offset| |v_ULTIMATE.start_testTwo_#t~mem18_10|))) |c_ULTIMATE.start_testTwo_~#f1~1.base|) |c_ULTIMATE.start_testTwo_~#f1~1.offset|) |v_ULTIMATE.start_testTwo_#t~mem18_10|)) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_returnsField_~#c~0.base_17|)))))))) is different from false [2021-10-29 05:34:44,124 INFO L354 Elim1Store]: treesize reduction 46, result has 54.0 percent of original size [2021-10-29 05:34:44,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 1347 treesize of output 1306 [2021-10-29 05:34:44,535 INFO L354 Elim1Store]: treesize reduction 39, result has 52.4 percent of original size [2021-10-29 05:34:44,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 1234 treesize of output 1246 [2021-10-29 05:34:44,732 INFO L354 Elim1Store]: treesize reduction 28, result has 42.9 percent of original size [2021-10-29 05:34:44,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1251 treesize of output 1259 [2021-10-29 05:34:45,798 INFO L354 Elim1Store]: treesize reduction 42, result has 47.5 percent of original size [2021-10-29 05:34:45,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 55 treesize of output 81 [2021-10-29 05:34:47,106 INFO L354 Elim1Store]: treesize reduction 42, result has 52.3 percent of original size [2021-10-29 05:34:47,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 93 [2021-10-29 05:34:50,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-10-29 05:34:50,749 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-10-29 05:34:50,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 20 [2021-10-29 05:34:50,849 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:34:50,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 195 treesize of output 179 [2021-10-29 05:34:51,761 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-29 05:34:51,762 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-29 05:34:51,791 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-29 05:34:51,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 196 treesize of output 201 [2021-10-29 05:34:51,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-10-29 05:34:52,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:34:52,422 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:34:52,422 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1277454094] [2021-10-29 05:34:52,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1277454094] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:34:52,422 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:34:52,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2021-10-29 05:34:52,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910726939] [2021-10-29 05:34:52,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-29 05:34:52,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:34:52,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-29 05:34:52,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=117, Unknown=2, NotChecked=22, Total=182 [2021-10-29 05:34:52,425 INFO L87 Difference]: Start difference. First operand 23 states and 22 transitions. Second operand has 14 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:34:58,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:34:58,390 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2021-10-29 05:34:58,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-29 05:34:58,394 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-10-29 05:34:58,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:34:58,395 INFO L225 Difference]: With dead ends: 23 [2021-10-29 05:34:58,396 INFO L226 Difference]: Without dead ends: 21 [2021-10-29 05:34:58,396 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 14 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 12.2s TimeCoverageRelationStatistics Valid=80, Invalid=194, Unknown=2, NotChecked=30, Total=306 [2021-10-29 05:34:58,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-10-29 05:34:58,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-10-29 05:34:58,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.0) internal successors, (20), 20 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:34:58,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2021-10-29 05:34:58,403 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 15 [2021-10-29 05:34:58,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:34:58,404 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2021-10-29 05:34:58,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:34:58,404 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2021-10-29 05:34:58,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 05:34:58,405 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:34:58,405 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:34:58,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-10-29 05:34:58,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:34:58,620 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-29 05:34:58,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:34:58,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1369496130, now seen corresponding path program 1 times [2021-10-29 05:34:58,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:34:58,622 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1375152985] [2021-10-29 05:34:58,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:34:58,622 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:34:58,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:34:58,624 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:34:58,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 05:34:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:34:59,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 32 conjunts are in the unsatisfiable core [2021-10-29 05:34:59,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:34:59,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 42 [2021-10-29 05:34:59,357 INFO L354 Elim1Store]: treesize reduction 47, result has 25.4 percent of original size [2021-10-29 05:34:59,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 74 treesize of output 78 [2021-10-29 05:34:59,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 75 [2021-10-29 05:34:59,651 INFO L354 Elim1Store]: treesize reduction 213, result has 13.4 percent of original size [2021-10-29 05:34:59,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 128 treesize of output 124 [2021-10-29 05:34:59,751 INFO L354 Elim1Store]: treesize reduction 24, result has 41.5 percent of original size [2021-10-29 05:34:59,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 117 treesize of output 125 [2021-10-29 05:35:00,025 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-10-29 05:35:00,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 113 treesize of output 73 [2021-10-29 05:35:00,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:35:00,086 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:35:04,845 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_testThree_~#f1~2.offset| (_ BitVec 32)) (|ULTIMATE.start_testThree_~#f2~2.offset| (_ BitVec 32)) (|v_ULTIMATE.start_returnsField_~#c~0.base_23| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_24| (_ BitVec 32)) (|v_ULTIMATE.start_testThree_#t~mem22_9| (_ BitVec 32))) (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_testThree_~#f1~2.base| (store (select |c_#memory_int| |c_ULTIMATE.start_testThree_~#f1~2.base|) |ULTIMATE.start_testThree_~#f1~2.offset| |v_skolemized_q#valueAsBitvector_24|)))) (let ((.cse1 (store (store (store (select .cse3 |v_ULTIMATE.start_returnsField_~#c~0.base_23|) (_ bv0 32) (_ bv1 32)) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (_ bv0 32)))) (or (not (= (_ bv0 1) (bvneg (bvneg (select |c_#valid| |v_ULTIMATE.start_returnsField_~#c~0.base_23|))))) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_24|)) |c_ULTIMATE.start_returnsField_#res|)) (not (= (let ((.cse0 (select .cse1 (_ bv0 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (fp ((_ extract 31 31) |v_ULTIMATE.start_testThree_#t~mem22_9|) ((_ extract 30 23) |v_ULTIMATE.start_testThree_#t~mem22_9|) ((_ extract 22 0) |v_ULTIMATE.start_testThree_#t~mem22_9|)))) (not (= |v_ULTIMATE.start_testThree_#t~mem22_9| (select (select (let ((.cse2 (store .cse3 |v_ULTIMATE.start_returnsField_~#c~0.base_23| .cse1))) (store .cse2 |c_ULTIMATE.start_testThree_~#f2~2.base| (store (select .cse2 |c_ULTIMATE.start_testThree_~#f2~2.base|) |ULTIMATE.start_testThree_~#f2~2.offset| |v_ULTIMATE.start_testThree_#t~mem22_9|))) |c_ULTIMATE.start_testThree_~#f1~2.base|) |ULTIMATE.start_testThree_~#f1~2.offset|))))))) is different from false [2021-10-29 05:35:04,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:35:04,928 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:35:04,928 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1375152985] [2021-10-29 05:35:04,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1375152985] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:35:04,928 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:35:04,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 9 [2021-10-29 05:35:04,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882167636] [2021-10-29 05:35:04,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-29 05:35:04,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:35:04,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-29 05:35:04,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=41, Unknown=1, NotChecked=12, Total=72 [2021-10-29 05:35:04,930 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:06,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:35:06,378 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2021-10-29 05:35:06,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 05:35:06,379 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-29 05:35:06,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:35:06,380 INFO L225 Difference]: With dead ends: 21 [2021-10-29 05:35:06,380 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 05:35:06,380 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=29, Invalid=64, Unknown=1, NotChecked=16, Total=110 [2021-10-29 05:35:06,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 05:35:06,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 05:35:06,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:06,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 05:35:06,381 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2021-10-29 05:35:06,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:35:06,382 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 05:35:06,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:35:06,382 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 05:35:06,383 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 05:35:06,385 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:35:06,385 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:35:06,385 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:35:06,386 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:35:06,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 05:35:06,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:35:06,590 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 05:35:06,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:35:06,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:35:06,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:35:06,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:35:06,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:35:06,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:35:06,631 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:35:06,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:35:06,639 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:35:06,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:35:06,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:35:06,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:35:19,001 WARN L207 SmtUtils]: Spent 7.60 s on a formula simplification. DAG size of input: 161 DAG size of output: 92 [2021-10-29 05:35:19,135 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 156) no Hoare annotation was computed. [2021-10-29 05:35:19,135 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 05:35:19,135 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 05:35:19,136 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 05:35:19,136 INFO L857 garLoopResultBuilder]: For program point L156(line 156) no Hoare annotation was computed. [2021-10-29 05:35:19,136 INFO L857 garLoopResultBuilder]: For program point L156-1(line 156) no Hoare annotation was computed. [2021-10-29 05:35:19,136 INFO L857 garLoopResultBuilder]: For program point L156-3(line 156) no Hoare annotation was computed. [2021-10-29 05:35:19,136 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 144) no Hoare annotation was computed. [2021-10-29 05:35:19,136 INFO L857 garLoopResultBuilder]: For program point L144(line 144) no Hoare annotation was computed. [2021-10-29 05:35:19,136 INFO L857 garLoopResultBuilder]: For program point L144-1(line 144) no Hoare annotation was computed. [2021-10-29 05:35:19,137 INFO L857 garLoopResultBuilder]: For program point L144-3(line 144) no Hoare annotation was computed. [2021-10-29 05:35:19,137 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-29 05:35:19,137 INFO L857 garLoopResultBuilder]: For program point L173-1(line 173) no Hoare annotation was computed. [2021-10-29 05:35:19,137 INFO L857 garLoopResultBuilder]: For program point L173-3(line 173) no Hoare annotation was computed. [2021-10-29 05:35:19,137 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-10-29 05:35:19,137 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 05:35:19,137 INFO L857 garLoopResultBuilder]: For program point L161-1(line 161) no Hoare annotation was computed. [2021-10-29 05:35:19,137 INFO L857 garLoopResultBuilder]: For program point L161-3(line 161) no Hoare annotation was computed. [2021-10-29 05:35:19,137 INFO L853 garLoopResultBuilder]: At program point L124(lines 117 125) the Hoare annotation is: (and (= (_ bv0 1) (bvadd (bvneg (bvneg (select |#valid| |ULTIMATE.start_testTwo_~#f1~1.base|))) (_ bv1 1))) (exists ((|v_ULTIMATE.start_returnsField_~#c~0.base_17| (_ BitVec 32))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start_returnsField_~#c~0.base_17|))) (let ((.cse0 (select .cse1 (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) |ULTIMATE.start_returnsField_#res|) (= (select .cse1 (_ bv8 32)) (_ bv0 32)) (= (_ bv0 32) .cse0) (= (_ bv0 1) (select |#valid| |v_ULTIMATE.start_returnsField_~#c~0.base_17|)) (= (select .cse1 (_ bv4 32)) (_ bv0 32)))))) (= |ULTIMATE.start_testTwo_~#f1~1.offset| (_ bv0 32)) (exists ((v_arrayElimCell_34 (_ BitVec 1))) (let ((.cse2 (bvneg v_arrayElimCell_34))) (and (= (_ bv0 1) (bvadd (bvneg (bvneg .cse2)) (_ bv1 1))) (= (_ bv0 1) (bvadd .cse2 (select |#valid| |ULTIMATE.start_testTwo_~#f2~1.base|)))))) (not (= (select (select |#memory_int| |ULTIMATE.start_testTwo_~#f2~1.base|) |ULTIMATE.start_testTwo_~#f2~1.offset|) (select (select |#memory_int| |ULTIMATE.start_testTwo_~#f1~1.base|) |ULTIMATE.start_testTwo_~#f1~1.offset|))) (= |ULTIMATE.start_testTwo_~#f2~1.offset| (_ bv0 32)) (forall ((|ULTIMATE.start_testTwo_~#f2~1.offset| (_ BitVec 32)) (|v_ULTIMATE.start_testTwo_#t~mem14_9| (_ BitVec 32)) (|ULTIMATE.start_returnsStructure_#res.ieee.mantissa| (_ BitVec 32)) (|ULTIMATE.start_returnsStructure_#res.ieee.exponent| (_ BitVec 32))) (or (not (= |v_ULTIMATE.start_testTwo_#t~mem14_9| (select (select (store |#memory_int| |ULTIMATE.start_testTwo_~#f2~1.base| (store (store (store (store (select |#memory_int| |ULTIMATE.start_testTwo_~#f2~1.base|) |ULTIMATE.start_testTwo_~#f2~1.offset| |ULTIMATE.start_returnsStructure_#res.ieee.negative|) (bvadd (_ bv4 32) |ULTIMATE.start_testTwo_~#f2~1.offset|) |ULTIMATE.start_returnsStructure_#res.ieee.exponent|) (bvadd (_ bv8 32) |ULTIMATE.start_testTwo_~#f2~1.offset|) |ULTIMATE.start_returnsStructure_#res.ieee.mantissa|) |ULTIMATE.start_testTwo_~#f2~1.offset| |v_ULTIMATE.start_testTwo_#t~mem14_9|)) |ULTIMATE.start_testTwo_~#f1~1.base|) |ULTIMATE.start_testTwo_~#f1~1.offset|))) (not (= (fp ((_ extract 31 31) |v_ULTIMATE.start_testTwo_#t~mem14_9|) ((_ extract 30 23) |v_ULTIMATE.start_testTwo_#t~mem14_9|) ((_ extract 22 0) |v_ULTIMATE.start_testTwo_#t~mem14_9|)) |ULTIMATE.start_returnsStructure_#res.f|))))) [2021-10-29 05:35:19,138 INFO L853 garLoopResultBuilder]: At program point L124-1(lines 117 125) the Hoare annotation is: (and (= (_ bv0 1) (bvadd (bvneg (select |#valid| |ULTIMATE.start_testTwo_~#f2~1.base|)) (_ bv1 1))) (= |ULTIMATE.start_testTwo_~#f1~1.offset| (_ bv0 32)) (exists ((|v_ULTIMATE.start_returnsField_~#c~0.base_18| (_ BitVec 32))) (let ((.cse0 (select |#memory_int| |v_ULTIMATE.start_returnsField_~#c~0.base_18|))) (let ((.cse1 (select .cse0 (_ bv0 32)))) (and (not (= |v_ULTIMATE.start_returnsField_~#c~0.base_18| |ULTIMATE.start_testTwo_~#f2~1.base|)) (= (select .cse0 (_ bv4 32)) (_ bv0 32)) (= (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)) |ULTIMATE.start_returnsField_#res|) (= (_ bv0 32) (select .cse0 (_ bv8 32))) (= (_ bv1 32) .cse1))))) (not (= |ULTIMATE.start_testTwo_~#f1~1.base| |ULTIMATE.start_testTwo_~#f2~1.base|)) (= (let ((.cse2 (select (select |#memory_int| |ULTIMATE.start_testTwo_~#f1~1.base|) |ULTIMATE.start_testTwo_~#f1~1.offset|))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) (fp (_ bv0 1) (_ bv0 8) (_ bv0 23))) (= |ULTIMATE.start_testTwo_~#f2~1.offset| (_ bv0 32)) (exists ((|v_ULTIMATE.start_returnsStructure_~#c~1.base_27| (_ BitVec 32))) (= (_ bv0 1) (select |#valid| |v_ULTIMATE.start_returnsStructure_~#c~1.base_27|))) (= (_ bv0 1) (bvadd (bvneg (select |#valid| |ULTIMATE.start_testTwo_~#f1~1.base|)) (_ bv1 1)))) [2021-10-29 05:35:19,138 INFO L853 garLoopResultBuilder]: At program point L124-2(lines 117 125) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_returnsField_~#c~0.base_22| (_ BitVec 32))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start_returnsField_~#c~0.base_22|))) (let ((.cse0 (select .cse1 (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) |ULTIMATE.start_returnsField_#res|) (= (_ bv0 1) (select |#valid| |v_ULTIMATE.start_returnsField_~#c~0.base_22|)) (= (select .cse1 (_ bv4 32)) (_ bv0 32)) (= .cse0 (_ bv0 32)) (= (select .cse1 (_ bv8 32)) (_ bv0 32)))))) (forall ((|ULTIMATE.start_testThree_~#f1~2.offset| (_ BitVec 32)) (|ULTIMATE.start_testThree_~#f2~2.offset| (_ BitVec 32)) (|v_ULTIMATE.start_returnsField_~#c~0.base_23| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_24| (_ BitVec 32)) (|v_ULTIMATE.start_testThree_#t~mem22_9| (_ BitVec 32))) (let ((.cse5 (store |#memory_int| |ULTIMATE.start_testThree_~#f1~2.base| (store (select |#memory_int| |ULTIMATE.start_testThree_~#f1~2.base|) |ULTIMATE.start_testThree_~#f1~2.offset| |v_skolemized_q#valueAsBitvector_24|)))) (let ((.cse3 (store (store (store (select .cse5 |v_ULTIMATE.start_returnsField_~#c~0.base_23|) (_ bv0 32) (_ bv1 32)) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (_ bv0 32)))) (or (not (= (_ bv0 1) (bvneg (bvneg (select |#valid| |v_ULTIMATE.start_returnsField_~#c~0.base_23|))))) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_24|)) |ULTIMATE.start_returnsField_#res|)) (not (= (let ((.cse2 (select .cse3 (_ bv0 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) (fp ((_ extract 31 31) |v_ULTIMATE.start_testThree_#t~mem22_9|) ((_ extract 30 23) |v_ULTIMATE.start_testThree_#t~mem22_9|) ((_ extract 22 0) |v_ULTIMATE.start_testThree_#t~mem22_9|)))) (not (= |v_ULTIMATE.start_testThree_#t~mem22_9| (select (select (let ((.cse4 (store .cse5 |v_ULTIMATE.start_returnsField_~#c~0.base_23| .cse3))) (store .cse4 |ULTIMATE.start_testThree_~#f2~2.base| (store (select .cse4 |ULTIMATE.start_testThree_~#f2~2.base|) |ULTIMATE.start_testThree_~#f2~2.offset| |v_ULTIMATE.start_testThree_#t~mem22_9|))) |ULTIMATE.start_testThree_~#f1~2.base|) |ULTIMATE.start_testThree_~#f1~2.offset|))))))) (= (_ bv0 1) (bvadd (_ bv1 1) (select |#valid| |ULTIMATE.start_testThree_~#f2~2.base|)))) [2021-10-29 05:35:19,138 INFO L853 garLoopResultBuilder]: At program point L124-3(lines 117 125) the Hoare annotation is: (and (= (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_testThree_~#f1~2.base|) |ULTIMATE.start_testThree_~#f1~2.offset|))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (fp (_ bv0 1) (_ bv0 8) (_ bv0 23))) (exists ((|v_ULTIMATE.start_returnsField_~#c~0.base_23| (_ BitVec 32))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start_returnsField_~#c~0.base_23|))) (let ((.cse2 (select .cse1 (_ bv0 32)))) (and (= (select .cse1 (_ bv4 32)) (_ bv0 32)) (= .cse2 (_ bv1 32)) (= (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)) |ULTIMATE.start_returnsField_#res|) (not (= |ULTIMATE.start_testThree_~#f1~2.base| |v_ULTIMATE.start_returnsField_~#c~0.base_23|)) (not (= |v_ULTIMATE.start_returnsField_~#c~0.base_23| |ULTIMATE.start_testThree_~#f2~2.base|)) (= (select .cse1 (_ bv8 32)) (_ bv0 32)))))) (not (= |ULTIMATE.start_testThree_~#f1~2.base| |ULTIMATE.start_testThree_~#f2~2.base|))) [2021-10-29 05:35:19,138 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 173) no Hoare annotation was computed. [2021-10-29 05:35:19,138 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 161) no Hoare annotation was computed. [2021-10-29 05:35:19,138 INFO L860 garLoopResultBuilder]: At program point L183(lines 178 184) the Hoare annotation is: true [2021-10-29 05:35:19,138 INFO L860 garLoopResultBuilder]: At program point L146(lines 138 147) the Hoare annotation is: true [2021-10-29 05:35:19,138 INFO L860 garLoopResultBuilder]: At program point L175(lines 167 176) the Hoare annotation is: true [2021-10-29 05:35:19,139 INFO L853 garLoopResultBuilder]: At program point L134(lines 127 135) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_returnsStructure_~#c~1.base_17| (_ BitVec 32))) (let ((.cse0 (select |#memory_int| |v_ULTIMATE.start_returnsStructure_~#c~1.base_17|))) (let ((.cse1 (select .cse0 (_ bv0 32)))) (and (= (select .cse0 (_ bv8 32)) (_ bv0 32)) (= .cse1 (_ bv0 32)) (= |ULTIMATE.start_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) (= (select .cse0 (_ bv4 32)) (_ bv0 32)) (= (_ bv0 1) (select |#valid| |v_ULTIMATE.start_returnsStructure_~#c~1.base_17|)))))) (= (_ bv0 1) (bvadd (bvneg (select |#valid| |ULTIMATE.start_testOne_~#f2~0.base|)) (_ bv1 1))) (forall ((|ULTIMATE.start_returnsStructure_#res.ieee.mantissa| (_ BitVec 32)) (|ULTIMATE.start_testOne_~#f1~0.offset| (_ BitVec 32)) (|ULTIMATE.start_returnsStructure_#res.ieee.negative| (_ BitVec 32)) (|ULTIMATE.start_returnsStructure_#res.ieee.exponent| (_ BitVec 32)) (|v_ULTIMATE.start_testOne_#t~mem10_9| (_ BitVec 32)) (|v_ULTIMATE.start_returnsStructure_#res.ieee.exponent_15| (_ BitVec 32)) (|ULTIMATE.start_testOne_~#f2~0.offset| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_17| (_ BitVec 32)) (|v_ULTIMATE.start_returnsStructure_~#c~1.base_18| (_ BitVec 32)) (|v_ULTIMATE.start_returnsStructure_#res.ieee.mantissa_15| (_ BitVec 32))) (let ((.cse4 (store |#memory_int| |ULTIMATE.start_testOne_~#f1~0.base| (store (store (store (store (select |#memory_int| |ULTIMATE.start_testOne_~#f1~0.base|) |ULTIMATE.start_testOne_~#f1~0.offset| |ULTIMATE.start_returnsStructure_#res.ieee.negative|) (bvadd (_ bv4 32) |ULTIMATE.start_testOne_~#f1~0.offset|) |ULTIMATE.start_returnsStructure_#res.ieee.exponent|) (bvadd (_ bv8 32) |ULTIMATE.start_testOne_~#f1~0.offset|) |ULTIMATE.start_returnsStructure_#res.ieee.mantissa|) |ULTIMATE.start_testOne_~#f1~0.offset| |v_skolemized_q#valueAsBitvector_17|)))) (let ((.cse5 (store (store (store (select .cse4 |v_ULTIMATE.start_returnsStructure_~#c~1.base_18|) (_ bv0 32) (_ bv1 32)) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (_ bv0 32)))) (let ((.cse2 (select .cse5 (_ bv0 32)))) (or (not (= (_ bv0 1) (bvneg (bvneg (select |#valid| |v_ULTIMATE.start_returnsStructure_~#c~1.base_18|))))) (not (= (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)) (fp ((_ extract 31 31) |v_ULTIMATE.start_testOne_#t~mem10_9|) ((_ extract 30 23) |v_ULTIMATE.start_testOne_#t~mem10_9|) ((_ extract 22 0) |v_ULTIMATE.start_testOne_#t~mem10_9|)))) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_17|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_17|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_17|)) |ULTIMATE.start_returnsStructure_#res.f|)) (not (= |v_ULTIMATE.start_testOne_#t~mem10_9| (select (select (let ((.cse3 (store .cse4 |v_ULTIMATE.start_returnsStructure_~#c~1.base_18| .cse5))) (store .cse3 |ULTIMATE.start_testOne_~#f2~0.base| (store (store (store (store (select .cse3 |ULTIMATE.start_testOne_~#f2~0.base|) |ULTIMATE.start_testOne_~#f2~0.offset| .cse2) (bvadd |ULTIMATE.start_testOne_~#f2~0.offset| (_ bv4 32)) |v_ULTIMATE.start_returnsStructure_#res.ieee.exponent_15|) (bvadd |ULTIMATE.start_testOne_~#f2~0.offset| (_ bv8 32)) |v_ULTIMATE.start_returnsStructure_#res.ieee.mantissa_15|) |ULTIMATE.start_testOne_~#f2~0.offset| |v_ULTIMATE.start_testOne_#t~mem10_9|))) |ULTIMATE.start_testOne_~#f1~0.base|) |ULTIMATE.start_testOne_~#f1~0.offset|))))))))) [2021-10-29 05:35:19,139 INFO L853 garLoopResultBuilder]: At program point L134-1(lines 127 135) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_returnsStructure_~#c~1.base_18| (_ BitVec 32))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start_returnsStructure_~#c~1.base_18|))) (let ((.cse0 (select .cse1 (_ bv0 32)))) (and (not (= |ULTIMATE.start_testOne_~#f2~0.base| |v_ULTIMATE.start_returnsStructure_~#c~1.base_18|)) (= .cse0 |ULTIMATE.start_returnsStructure_#res.ieee.negative|) (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) |ULTIMATE.start_returnsStructure_#res.f|) (= (select .cse1 (_ bv4 32)) (_ bv0 32)) (not (= |ULTIMATE.start_testOne_~#f1~0.base| |v_ULTIMATE.start_returnsStructure_~#c~1.base_18|)) (= .cse0 (_ bv1 32)) (= (select .cse1 (_ bv8 32)) (_ bv0 32)))))) (not (= |ULTIMATE.start_testOne_~#f2~0.base| |ULTIMATE.start_testOne_~#f1~0.base|)) (= (let ((.cse2 (select (select |#memory_int| |ULTIMATE.start_testOne_~#f1~0.base|) |ULTIMATE.start_testOne_~#f1~0.offset|))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) (fp (_ bv0 1) (_ bv0 8) (_ bv0 23)))) [2021-10-29 05:35:19,139 INFO L853 garLoopResultBuilder]: At program point L134-2(lines 127 135) the Hoare annotation is: (and (= (_ bv0 1) (bvadd (bvneg (select |#valid| |ULTIMATE.start_testTwo_~#f2~1.base|)) (_ bv1 1))) (= |ULTIMATE.start_testTwo_~#f1~1.offset| (_ bv0 32)) (= |ULTIMATE.start_testTwo_~#f2~1.offset| (_ bv0 32)) (exists ((|v_ULTIMATE.start_returnsStructure_~#c~1.base_22| (_ BitVec 32))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start_returnsStructure_~#c~1.base_22|))) (let ((.cse0 (select .cse1 (_ bv0 32)))) (and (= |ULTIMATE.start_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= (_ bv0 1) (select |#valid| |v_ULTIMATE.start_returnsStructure_~#c~1.base_22|)) (= (_ bv0 32) (select .cse1 (_ bv4 32))) (= .cse0 (_ bv0 32)) (= (select .cse1 (_ bv8 32)) (_ bv0 32)))))) (forall ((|ULTIMATE.start_testTwo_~#f2~1.offset| (_ BitVec 32)) (|v_ULTIMATE.start_returnsStructure_#res.ieee.exponent_19| (_ BitVec 32)) (|v_ULTIMATE.start_testTwo_#t~mem14_9| (_ BitVec 32)) (|v_ULTIMATE.start_returnsStructure_~#c~1.base_23| (_ BitVec 32)) (|ULTIMATE.start_returnsStructure_#res.ieee.mantissa| (_ BitVec 32)) (|ULTIMATE.start_returnsStructure_#res.ieee.negative| (_ BitVec 32)) (|ULTIMATE.start_returnsStructure_#res.ieee.exponent| (_ BitVec 32)) (|ULTIMATE.start_testTwo_~#f1~1.offset| (_ BitVec 32)) (|v_ULTIMATE.start_returnsStructure_#res.ieee.mantissa_19| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_19| (_ BitVec 32))) (let ((.cse4 (store |#memory_int| |ULTIMATE.start_testTwo_~#f1~1.base| (store (store (store (store (select |#memory_int| |ULTIMATE.start_testTwo_~#f1~1.base|) |ULTIMATE.start_testTwo_~#f1~1.offset| |ULTIMATE.start_returnsStructure_#res.ieee.negative|) (bvadd (_ bv4 32) |ULTIMATE.start_testTwo_~#f1~1.offset|) |ULTIMATE.start_returnsStructure_#res.ieee.exponent|) (bvadd (_ bv8 32) |ULTIMATE.start_testTwo_~#f1~1.offset|) |ULTIMATE.start_returnsStructure_#res.ieee.mantissa|) |ULTIMATE.start_testTwo_~#f1~1.offset| |v_skolemized_q#valueAsBitvector_19|)))) (let ((.cse5 (store (store (store (select .cse4 |v_ULTIMATE.start_returnsStructure_~#c~1.base_23|) (_ bv0 32) (_ bv1 32)) (_ bv4 32) (_ bv0 32)) (_ bv8 32) (_ bv0 32)))) (let ((.cse3 (select .cse5 (_ bv0 32)))) (or (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_19|)) |ULTIMATE.start_returnsStructure_#res.f|)) (not (= (_ bv0 1) (select |#valid| |v_ULTIMATE.start_returnsStructure_~#c~1.base_23|))) (not (= |v_ULTIMATE.start_testTwo_#t~mem14_9| (select (select (let ((.cse2 (store .cse4 |v_ULTIMATE.start_returnsStructure_~#c~1.base_23| .cse5))) (store .cse2 |ULTIMATE.start_testTwo_~#f2~1.base| (store (store (store (store (select .cse2 |ULTIMATE.start_testTwo_~#f2~1.base|) |ULTIMATE.start_testTwo_~#f2~1.offset| .cse3) (bvadd (_ bv4 32) |ULTIMATE.start_testTwo_~#f2~1.offset|) |v_ULTIMATE.start_returnsStructure_#res.ieee.exponent_19|) (bvadd (_ bv8 32) |ULTIMATE.start_testTwo_~#f2~1.offset|) |v_ULTIMATE.start_returnsStructure_#res.ieee.mantissa_19|) |ULTIMATE.start_testTwo_~#f2~1.offset| |v_ULTIMATE.start_testTwo_#t~mem14_9|))) |ULTIMATE.start_testTwo_~#f1~1.base|) |ULTIMATE.start_testTwo_~#f1~1.offset|))) (not (= (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)) (fp ((_ extract 31 31) |v_ULTIMATE.start_testTwo_#t~mem14_9|) ((_ extract 30 23) |v_ULTIMATE.start_testTwo_#t~mem14_9|) ((_ extract 22 0) |v_ULTIMATE.start_testTwo_#t~mem14_9|)))))))))) [2021-10-29 05:35:19,139 INFO L853 garLoopResultBuilder]: At program point L134-3(lines 127 135) the Hoare annotation is: (and (= (_ bv0 1) (bvadd (bvneg (select |#valid| |ULTIMATE.start_testTwo_~#f2~1.base|)) (_ bv1 1))) (= |ULTIMATE.start_testTwo_~#f1~1.offset| (_ bv0 32)) (not (= |ULTIMATE.start_testTwo_~#f1~1.base| |ULTIMATE.start_testTwo_~#f2~1.base|)) (= (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_testTwo_~#f1~1.base|) |ULTIMATE.start_testTwo_~#f1~1.offset|))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (fp (_ bv0 1) (_ bv0 8) (_ bv0 23))) (= |ULTIMATE.start_testTwo_~#f2~1.offset| (_ bv0 32)) (exists ((|v_ULTIMATE.start_returnsStructure_~#c~1.base_27| (_ BitVec 32))) (= (_ bv0 1) (select |#valid| |v_ULTIMATE.start_returnsStructure_~#c~1.base_27|))) (exists ((|v_ULTIMATE.start_returnsStructure_~#c~1.base_23| (_ BitVec 32))) (let ((.cse2 (select |#memory_int| |v_ULTIMATE.start_returnsStructure_~#c~1.base_23|))) (let ((.cse1 (select .cse2 (_ bv0 32)))) (and (= (_ bv1 32) .cse1) (= (select .cse2 (_ bv8 32)) (_ bv0 32)) (= (select .cse2 (_ bv4 32)) (_ bv0 32)) (not (= |ULTIMATE.start_testTwo_~#f2~1.base| |v_ULTIMATE.start_returnsStructure_~#c~1.base_23|)) (not (= |ULTIMATE.start_testTwo_~#f1~1.base| |v_ULTIMATE.start_returnsStructure_~#c~1.base_23|)) (= |ULTIMATE.start_returnsStructure_#res.ieee.negative| .cse1) (= (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)) |ULTIMATE.start_returnsStructure_#res.f|))))) (= (_ bv0 1) (bvadd (bvneg (select |#valid| |ULTIMATE.start_testTwo_~#f1~1.base|)) (_ bv1 1)))) [2021-10-29 05:35:19,139 INFO L853 garLoopResultBuilder]: At program point L163(lines 150 164) the Hoare annotation is: (= (fp (_ bv0 1) (_ bv0 8) (_ bv1 23)) |ULTIMATE.start_returnsField_#res|) [2021-10-29 05:35:19,142 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-10-29 05:35:19,143 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:35:19,156 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (bvneg (_ BitVec 1) (_ BitVec 1)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:211) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:453) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:192) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-29 05:35:19,166 INFO L168 Benchmark]: Toolchain (without parser) took 79101.80 ms. Allocated memory was 52.4 MB in the beginning and 153.1 MB in the end (delta: 100.7 MB). Free memory was 29.6 MB in the beginning and 127.2 MB in the end (delta: -97.6 MB). Peak memory consumption was 87.0 MB. Max. memory is 16.1 GB. [2021-10-29 05:35:19,166 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 52.4 MB. Free memory was 33.4 MB in the beginning and 33.4 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:35:19,167 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.42 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 29.4 MB in the beginning and 49.5 MB in the end (delta: -20.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:35:19,167 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.12 ms. Allocated memory is still 67.1 MB. Free memory was 49.5 MB in the beginning and 46.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:35:19,168 INFO L168 Benchmark]: Boogie Preprocessor took 45.39 ms. Allocated memory is still 67.1 MB. Free memory was 46.9 MB in the beginning and 44.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:35:19,168 INFO L168 Benchmark]: RCFGBuilder took 944.62 ms. Allocated memory is still 67.1 MB. Free memory was 44.5 MB in the beginning and 35.5 MB in the end (delta: 9.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 16.1 GB. [2021-10-29 05:35:19,168 INFO L168 Benchmark]: TraceAbstraction took 77662.37 ms. Allocated memory was 67.1 MB in the beginning and 153.1 MB in the end (delta: 86.0 MB). Free memory was 35.0 MB in the beginning and 127.2 MB in the end (delta: -92.1 MB). Peak memory consumption was 78.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:35:19,172 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 52.4 MB. Free memory was 33.4 MB in the beginning and 33.4 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 349.42 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 29.4 MB in the beginning and 49.5 MB in the end (delta: -20.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 86.12 ms. Allocated memory is still 67.1 MB. Free memory was 49.5 MB in the beginning and 46.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.39 ms. Allocated memory is still 67.1 MB. Free memory was 46.9 MB in the beginning and 44.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 944.62 ms. Allocated memory is still 67.1 MB. Free memory was 44.5 MB in the beginning and 35.5 MB in the end (delta: 9.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 77662.37 ms. Allocated memory was 67.1 MB in the beginning and 153.1 MB in the end (delta: 86.0 MB). Free memory was 35.0 MB in the beginning and 127.2 MB in the end (delta: -92.1 MB). Peak memory consumption was 78.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 144]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 156]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 161]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 173]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 32 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 77.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 18.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 69 SDtfs, 5 SDslu, 209 SDs, 0 SdLazy, 221 SolverSat, 27 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 63 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 4 IntricatePredicates, 3 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 35.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 22 NumberOfFragments, 1513 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 451 FormulaSimplificationTreeSizeReductionInter, 12.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 44.4s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 96 ConstructedInterpolants, 24 QuantifiedInterpolants, 2988 SizeOfPredicates, 93 NumberOfNonLiveVariables, 436 ConjunctsInSsa, 111 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: ~fp~LONGDOUBLE(0bv1, 0bv8, 1bv23) == \result - ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 1) (_ BitVec 1)) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (bvneg (_ BitVec 1) (_ BitVec 1)) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:211) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-29 05:35:19,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93092315-8df6-4c7b-9785-ea9978ee7635/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...