./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/filter2_iterated.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c088b211-9392-4bf8-abe0-e5f96fb39272/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c088b211-9392-4bf8-abe0-e5f96fb39272/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c088b211-9392-4bf8-abe0-e5f96fb39272/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c088b211-9392-4bf8-abe0-e5f96fb39272/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c088b211-9392-4bf8-abe0-e5f96fb39272/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c088b211-9392-4bf8-abe0-e5f96fb39272/bin/utaipan-WLngWcDbfI --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 4d18c017f419dc210dcbafa8af1edf74b131b258 ..................................................................................................................................................................................................................................................................... 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_c088b211-9392-4bf8-abe0-e5f96fb39272/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c088b211-9392-4bf8-abe0-e5f96fb39272/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c088b211-9392-4bf8-abe0-e5f96fb39272/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c088b211-9392-4bf8-abe0-e5f96fb39272/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c088b211-9392-4bf8-abe0-e5f96fb39272/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c088b211-9392-4bf8-abe0-e5f96fb39272/bin/utaipan-WLngWcDbfI --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 4d18c017f419dc210dcbafa8af1edf74b131b258 ....................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:28:57,429 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:28:57,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:28:57,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:28:57,486 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:28:57,487 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:28:57,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:28:57,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:28:57,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:28:57,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:28:57,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:28:57,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:28:57,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:28:57,500 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:28:57,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:28:57,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:28:57,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:28:57,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:28:57,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:28:57,510 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:28:57,512 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:28:57,514 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:28:57,515 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:28:57,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:28:57,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:28:57,521 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:28:57,521 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:28:57,522 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:28:57,523 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:28:57,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:28:57,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:28:57,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:28:57,527 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:28:57,528 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:28:57,529 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:28:57,529 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:28:57,530 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:28:57,531 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:28:57,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:28:57,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:28:57,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:28:57,534 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c088b211-9392-4bf8-abe0-e5f96fb39272/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:28:57,560 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:28:57,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:28:57,570 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:28:57,571 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:28:57,571 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:28:57,572 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:28:57,572 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:28:57,572 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:28:57,576 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:28:57,576 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:28:57,576 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:28:57,577 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:28:57,577 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:28:57,577 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:28:57,577 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:28:57,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:28:57,578 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:28:57,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:28:57,579 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:28:57,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:28:57,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:28:57,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:28:57,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:28:57,581 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:28:57,581 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:28:57,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:28:57,582 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:28:57,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:28:57,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:28:57,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:28:57,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:57,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:28:57,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:28:57,584 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:28:57,584 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:28:57,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:28:57,585 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:28:57,585 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:28:57,585 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:28:57,585 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_c088b211-9392-4bf8-abe0-e5f96fb39272/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c088b211-9392-4bf8-abe0-e5f96fb39272/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d18c017f419dc210dcbafa8af1edf74b131b258 [2021-10-11 02:28:57,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:28:57,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:28:57,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:28:57,861 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:28:57,862 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:28:57,863 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c088b211-9392-4bf8-abe0-e5f96fb39272/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/float-benchs/filter2_iterated.c [2021-10-11 02:28:57,942 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c088b211-9392-4bf8-abe0-e5f96fb39272/bin/utaipan-WLngWcDbfI/data/61295795d/cb0aee3bb1b3400683da8b9bd0202fb5/FLAG12cd1a53e [2021-10-11 02:28:58,416 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:28:58,417 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c088b211-9392-4bf8-abe0-e5f96fb39272/sv-benchmarks/c/float-benchs/filter2_iterated.c [2021-10-11 02:28:58,427 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c088b211-9392-4bf8-abe0-e5f96fb39272/bin/utaipan-WLngWcDbfI/data/61295795d/cb0aee3bb1b3400683da8b9bd0202fb5/FLAG12cd1a53e [2021-10-11 02:28:58,794 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c088b211-9392-4bf8-abe0-e5f96fb39272/bin/utaipan-WLngWcDbfI/data/61295795d/cb0aee3bb1b3400683da8b9bd0202fb5 [2021-10-11 02:28:58,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:28:58,799 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:28:58,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:58,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:28:58,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:28:58,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:58" (1/1) ... [2021-10-11 02:28:58,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b85cc15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:58, skipping insertion in model container [2021-10-11 02:28:58,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:58" (1/1) ... [2021-10-11 02:28:58,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:28:58,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:59,018 WARN L226 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_c088b211-9392-4bf8-abe0-e5f96fb39272/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2021-10-11 02:28:59,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:59,062 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:28:59,076 WARN L226 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_c088b211-9392-4bf8-abe0-e5f96fb39272/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2021-10-11 02:28:59,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:59,151 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:28:59,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:59 WrapperNode [2021-10-11 02:28:59,153 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:59,155 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:28:59,155 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:28:59,155 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:28:59,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:59" (1/1) ... [2021-10-11 02:28:59,174 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:59" (1/1) ... [2021-10-11 02:28:59,200 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:28:59,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:28:59,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:28:59,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:28:59,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:59" (1/1) ... [2021-10-11 02:28:59,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:59" (1/1) ... [2021-10-11 02:28:59,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:59" (1/1) ... [2021-10-11 02:28:59,215 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:59" (1/1) ... [2021-10-11 02:28:59,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:59" (1/1) ... [2021-10-11 02:28:59,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:59" (1/1) ... [2021-10-11 02:28:59,246 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:59" (1/1) ... [2021-10-11 02:28:59,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:28:59,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:28:59,250 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:28:59,250 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:28:59,251 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:59" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c088b211-9392-4bf8-abe0-e5f96fb39272/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:59,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 02:28:59,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:28:59,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-11 02:28:59,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-11 02:28:59,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:28:59,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:28:59,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-11 02:29:01,560 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:29:01,561 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-10-11 02:29:01,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:01 BoogieIcfgContainer [2021-10-11 02:29:01,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:29:01,565 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:29:01,565 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:29:01,579 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:29:01,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:28:58" (1/3) ... [2021-10-11 02:29:01,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6348cb90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:29:01, skipping insertion in model container [2021-10-11 02:29:01,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:59" (2/3) ... [2021-10-11 02:29:01,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6348cb90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:29:01, skipping insertion in model container [2021-10-11 02:29:01,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:01" (3/3) ... [2021-10-11 02:29:01,584 INFO L111 eAbstractionObserver]: Analyzing ICFG filter2_iterated.c [2021-10-11 02:29:01,598 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:29:01,601 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:29:01,612 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:29:01,639 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:29:01,639 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:29:01,639 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:29:01,639 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:29:01,639 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:29:01,640 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:29:01,640 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:29:01,640 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:29:01,653 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2021-10-11 02:29:01,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-11 02:29:01,658 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:01,659 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-11 02:29:01,659 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:01,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:01,665 INFO L82 PathProgramCache]: Analyzing trace with hash 2630578, now seen corresponding path program 1 times [2021-10-11 02:29:01,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:01,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871269407] [2021-10-11 02:29:01,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:29:02,045 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:29:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:29:02,301 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:29:02,339 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-11 02:29:02,340 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:29:02,341 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 02:29:02,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:29:02 BoogieIcfgContainer [2021-10-11 02:29:02,396 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:29:02,397 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:29:02,399 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:29:02,399 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:29:02,400 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:01" (3/4) ... [2021-10-11 02:29:02,404 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 02:29:02,405 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:29:02,408 INFO L168 Benchmark]: Toolchain (without parser) took 3607.73 ms. Allocated memory was 107.0 MB in the beginning and 136.3 MB in the end (delta: 29.4 MB). Free memory was 75.7 MB in the beginning and 68.8 MB in the end (delta: 6.9 MB). Peak memory consumption was 35.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:02,411 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 107.0 MB. Free memory was 64.6 MB in the beginning and 64.5 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:29:02,413 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.90 ms. Allocated memory was 107.0 MB in the beginning and 136.3 MB in the end (delta: 29.4 MB). Free memory was 75.7 MB in the beginning and 110.3 MB in the end (delta: -34.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:02,415 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.84 ms. Allocated memory is still 136.3 MB. Free memory was 110.3 MB in the beginning and 108.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:02,416 INFO L168 Benchmark]: Boogie Preprocessor took 47.54 ms. Allocated memory is still 136.3 MB. Free memory was 108.9 MB in the beginning and 106.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:02,417 INFO L168 Benchmark]: RCFGBuilder took 2313.81 ms. Allocated memory is still 136.3 MB. Free memory was 106.8 MB in the beginning and 85.9 MB in the end (delta: 20.9 MB). Peak memory consumption was 48.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:02,418 INFO L168 Benchmark]: TraceAbstraction took 831.40 ms. Allocated memory is still 136.3 MB. Free memory was 85.0 MB in the beginning and 68.8 MB in the end (delta: 16.2 MB). Peak memory consumption was 31.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:02,419 INFO L168 Benchmark]: Witness Printer took 8.66 ms. Allocated memory is still 136.3 MB. Free memory is still 68.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:29:02,427 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 107.0 MB. Free memory was 64.6 MB in the beginning and 64.5 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 352.90 ms. Allocated memory was 107.0 MB in the beginning and 136.3 MB in the end (delta: 29.4 MB). Free memory was 75.7 MB in the beginning and 110.3 MB in the end (delta: -34.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.84 ms. Allocated memory is still 136.3 MB. Free memory was 110.3 MB in the beginning and 108.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.54 ms. Allocated memory is still 136.3 MB. Free memory was 108.9 MB in the beginning and 106.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2313.81 ms. Allocated memory is still 136.3 MB. Free memory was 106.8 MB in the beginning and 85.9 MB in the end (delta: 20.9 MB). Peak memory consumption was 48.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 831.40 ms. Allocated memory is still 136.3 MB. Free memory was 85.0 MB in the beginning and 68.8 MB in the end (delta: 16.2 MB). Peak memory consumption was 31.7 MB. Max. memory is 16.1 GB. * Witness Printer took 8.66 ms. Allocated memory is still 136.3 MB. Free memory is still 68.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 9]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 63, overapproximation of to_real at line 58, overapproximation of someBinaryArithmeticDOUBLEoperation at line 62. Possible FailurePath: [L13] BOOLEAN INIT1, INIT2; [L14] float X, P; [L18] static float E[2], S[2]; [L38] static float E2[2], S2[2]; [L58] X = 0 [L59] INIT1 = TRUE [L60] INIT2 = TRUE VAL [E={9:0}, E2={6:0}, INIT1=1, INIT2=1, P=0, S={10:0}, S2={11:0}] [L61] COND TRUE \read(TRUE) [L62] X = 0.98*X + 85. [L63] COND FALSE !(X >= -400. && X <= 400.) [L68] COND TRUE X >= -800. && X <= 800. [L39] COND TRUE \read(INIT2) [L40] S2[0] = 0.5*X [L41] P = X [L42] E2[0] = 0.8*X [L43] E2[1] = 0. [L44] S2[1] = 0. [L70] X = X - 50. [L71] INIT2 = FALSE [L9] COND TRUE !(cond) VAL [E={9:0}, E2={6:0}, INIT1=1, INIT2=0, P=0, S={10:0}, S2={11:0}, X=0] [L9] reach_error() VAL [E={9:0}, E2={6:0}, INIT1=1, INIT2=0, P=0, S={10:0}, S2={11:0}, X=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 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 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:29:04,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:29:04,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:29:05,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:29:05,029 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:29:05,030 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:29:05,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:29:05,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:29:05,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:29:05,039 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:29:05,040 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:29:05,042 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:29:05,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:29:05,044 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:29:05,045 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:29:05,047 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:29:05,048 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:29:05,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:29:05,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:29:05,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:29:05,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:29:05,058 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:29:05,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:29:05,061 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:29:05,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:29:05,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:29:05,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:29:05,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:29:05,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:29:05,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:29:05,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:29:05,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:29:05,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:29:05,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:29:05,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:29:05,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:29:05,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:29:05,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:29:05,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:29:05,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:29:05,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:29:05,080 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c088b211-9392-4bf8-abe0-e5f96fb39272/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:29:05,127 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:29:05,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:29:05,142 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:29:05,142 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:29:05,143 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:29:05,143 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:29:05,143 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:29:05,143 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:29:05,144 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:29:05,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:29:05,146 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:29:05,147 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:29:05,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:29:05,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:29:05,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:29:05,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:29:05,148 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:29:05,148 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:29:05,148 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:29:05,149 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:29:05,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:29:05,149 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:29:05,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:29:05,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:29:05,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:29:05,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:29:05,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:29:05,151 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:29:05,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:29:05,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:29:05,151 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:29:05,152 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:29:05,152 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:29:05,152 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:29:05,153 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:29:05,153 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_c088b211-9392-4bf8-abe0-e5f96fb39272/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c088b211-9392-4bf8-abe0-e5f96fb39272/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d18c017f419dc210dcbafa8af1edf74b131b258 [2021-10-11 02:29:05,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:29:05,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:29:05,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:29:05,622 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:29:05,623 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:29:05,626 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c088b211-9392-4bf8-abe0-e5f96fb39272/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/float-benchs/filter2_iterated.c [2021-10-11 02:29:05,712 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c088b211-9392-4bf8-abe0-e5f96fb39272/bin/utaipan-WLngWcDbfI/data/7b2333afb/f3a49d5d88e44614a8cdabee76ae8b32/FLAGc62985cef [2021-10-11 02:29:06,307 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:29:06,309 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c088b211-9392-4bf8-abe0-e5f96fb39272/sv-benchmarks/c/float-benchs/filter2_iterated.c [2021-10-11 02:29:06,318 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c088b211-9392-4bf8-abe0-e5f96fb39272/bin/utaipan-WLngWcDbfI/data/7b2333afb/f3a49d5d88e44614a8cdabee76ae8b32/FLAGc62985cef [2021-10-11 02:29:06,628 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c088b211-9392-4bf8-abe0-e5f96fb39272/bin/utaipan-WLngWcDbfI/data/7b2333afb/f3a49d5d88e44614a8cdabee76ae8b32 [2021-10-11 02:29:06,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:29:06,632 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:29:06,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:06,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:29:06,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:29:06,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:06" (1/1) ... [2021-10-11 02:29:06,648 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5557d04a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:06, skipping insertion in model container [2021-10-11 02:29:06,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:06" (1/1) ... [2021-10-11 02:29:06,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:29:06,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:06,820 WARN L226 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_c088b211-9392-4bf8-abe0-e5f96fb39272/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2021-10-11 02:29:06,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:06,869 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:29:06,882 WARN L226 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_c088b211-9392-4bf8-abe0-e5f96fb39272/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2021-10-11 02:29:06,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:06,975 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:29:06,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:06 WrapperNode [2021-10-11 02:29:06,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:06,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:29:06,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:29:06,978 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:29:06,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:06" (1/1) ... [2021-10-11 02:29:06,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:06" (1/1) ... [2021-10-11 02:29:07,027 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:29:07,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:29:07,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:29:07,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:29:07,037 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:06" (1/1) ... [2021-10-11 02:29:07,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:06" (1/1) ... [2021-10-11 02:29:07,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:06" (1/1) ... [2021-10-11 02:29:07,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:06" (1/1) ... [2021-10-11 02:29:07,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:06" (1/1) ... [2021-10-11 02:29:07,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:06" (1/1) ... [2021-10-11 02:29:07,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:06" (1/1) ... [2021-10-11 02:29:07,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:29:07,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:29:07,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:29:07,068 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:29:07,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:06" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c088b211-9392-4bf8-abe0-e5f96fb39272/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:29:07,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-10-11 02:29:07,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:29:07,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:29:07,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-11 02:29:07,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:29:07,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:29:07,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-11 02:29:19,606 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-10-11 02:29:19,608 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:209) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:226) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:153) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.constructTransFormula(Statements2TransFormula.java:214) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.getTransFormula(Statements2TransFormula.java:174) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.statementSequence(Statements2TransFormula.java:722) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.util.TransFormulaAdder.addTransitionFormulas(TransFormulaAdder.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:717) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.access$1(CfgBuilder.java:631) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:265) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) ... 26 more [2021-10-11 02:29:19,613 INFO L168 Benchmark]: Toolchain (without parser) took 12979.59 ms. Allocated memory is still 69.2 MB. Free memory was 52.2 MB in the beginning and 30.4 MB in the end (delta: 21.8 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:19,614 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 69.2 MB. Free memory was 51.4 MB in the beginning and 51.3 MB in the end (delta: 53.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:29:19,615 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.07 ms. Allocated memory is still 69.2 MB. Free memory was 51.9 MB in the beginning and 53.4 MB in the end (delta: -1.5 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:19,616 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.83 ms. Allocated memory is still 69.2 MB. Free memory was 53.2 MB in the beginning and 51.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:19,617 INFO L168 Benchmark]: Boogie Preprocessor took 39.42 ms. Allocated memory is still 69.2 MB. Free memory was 51.1 MB in the beginning and 49.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:19,618 INFO L168 Benchmark]: RCFGBuilder took 12542.77 ms. Allocated memory is still 69.2 MB. Free memory was 49.3 MB in the beginning and 30.4 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:19,622 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 69.2 MB. Free memory was 51.4 MB in the beginning and 51.3 MB in the end (delta: 53.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 343.07 ms. Allocated memory is still 69.2 MB. Free memory was 51.9 MB in the beginning and 53.4 MB in the end (delta: -1.5 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.83 ms. Allocated memory is still 69.2 MB. Free memory was 53.2 MB in the beginning and 51.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.42 ms. Allocated memory is still 69.2 MB. Free memory was 51.1 MB in the beginning and 49.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 12542.77 ms. Allocated memory is still 69.2 MB. Free memory was 49.3 MB in the beginning and 30.4 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...