./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 e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE --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 1b2a34283d37096850c6fa7d7933fe07674b3fa81a7da8c770f866e152d89627 ............................................................................................................................................................................................................................................................. 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_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE --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 1b2a34283d37096850c6fa7d7933fe07674b3fa81a7da8c770f866e152d89627 ........................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 09:41:11,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 09:41:11,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 09:41:11,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 09:41:11,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 09:41:11,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 09:41:11,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 09:41:11,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 09:41:11,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 09:41:11,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 09:41:11,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 09:41:11,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 09:41:11,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 09:41:11,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 09:41:11,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 09:41:11,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 09:41:11,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 09:41:11,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 09:41:11,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 09:41:11,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 09:41:11,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 09:41:11,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 09:41:11,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 09:41:11,270 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 09:41:11,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 09:41:11,274 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 09:41:11,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 09:41:11,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 09:41:11,277 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 09:41:11,278 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 09:41:11,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 09:41:11,280 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 09:41:11,281 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 09:41:11,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 09:41:11,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 09:41:11,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 09:41:11,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 09:41:11,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 09:41:11,286 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 09:41:11,287 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 09:41:11,288 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 09:41:11,289 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 09:41:11,314 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 09:41:11,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 09:41:11,316 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 09:41:11,316 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 09:41:11,317 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 09:41:11,317 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 09:41:11,317 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 09:41:11,318 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 09:41:11,318 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 09:41:11,318 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 09:41:11,319 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 09:41:11,319 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 09:41:11,320 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 09:41:11,320 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 09:41:11,320 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 09:41:11,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 09:41:11,322 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 09:41:11,322 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 09:41:11,323 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 09:41:11,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 09:41:11,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 09:41:11,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 09:41:11,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 09:41:11,324 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 09:41:11,325 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 09:41:11,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 09:41:11,325 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 09:41:11,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 09:41:11,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 09:41:11,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 09:41:11,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:41:11,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 09:41:11,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 09:41:11,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 09:41:11,327 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 09:41:11,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 09:41:11,328 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 09:41:11,328 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 09:41:11,328 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 09:41:11,328 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_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b2a34283d37096850c6fa7d7933fe07674b3fa81a7da8c770f866e152d89627 [2021-10-24 09:41:11,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 09:41:11,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 09:41:11,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 09:41:11,595 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 09:41:11,596 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 09:41:11,597 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/float-benchs/filter2_iterated.c [2021-10-24 09:41:11,675 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/data/7e082ac6c/5a1e7c50dc684c8b9cf28375ef7e75fa/FLAG69fe8397a [2021-10-24 09:41:12,126 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 09:41:12,127 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/sv-benchmarks/c/float-benchs/filter2_iterated.c [2021-10-24 09:41:12,136 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/data/7e082ac6c/5a1e7c50dc684c8b9cf28375ef7e75fa/FLAG69fe8397a [2021-10-24 09:41:12,491 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/data/7e082ac6c/5a1e7c50dc684c8b9cf28375ef7e75fa [2021-10-24 09:41:12,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 09:41:12,495 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 09:41:12,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 09:41:12,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 09:41:12,512 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 09:41:12,513 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:41:12" (1/1) ... [2021-10-24 09:41:12,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52dc638e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:12, skipping insertion in model container [2021-10-24 09:41:12,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:41:12" (1/1) ... [2021-10-24 09:41:12,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 09:41:12,539 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 09:41:12,719 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_29c3a72d-60ca-483a-a908-6a9ce9340f4b/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2021-10-24 09:41:12,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:41:12,799 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 09:41:12,816 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_29c3a72d-60ca-483a-a908-6a9ce9340f4b/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2021-10-24 09:41:12,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:41:12,868 INFO L208 MainTranslator]: Completed translation [2021-10-24 09:41:12,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:12 WrapperNode [2021-10-24 09:41:12,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 09:41:12,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 09:41:12,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 09:41:12,871 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 09:41:12,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:12" (1/1) ... [2021-10-24 09:41:12,888 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:12" (1/1) ... [2021-10-24 09:41:12,912 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 09:41:12,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 09:41:12,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 09:41:12,914 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 09:41:12,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:12" (1/1) ... [2021-10-24 09:41:12,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:12" (1/1) ... [2021-10-24 09:41:12,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:12" (1/1) ... [2021-10-24 09:41:12,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:12" (1/1) ... [2021-10-24 09:41:12,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:12" (1/1) ... [2021-10-24 09:41:12,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:12" (1/1) ... [2021-10-24 09:41:12,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:12" (1/1) ... [2021-10-24 09:41:12,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 09:41:12,945 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 09:41:12,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 09:41:12,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 09:41:12,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:12" (1/1) ... [2021-10-24 09:41:12,962 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:41:12,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 09:41:12,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 09:41:13,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 09:41:13,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-24 09:41:13,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 09:41:13,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-24 09:41:13,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-24 09:41:13,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 09:41:13,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 09:41:13,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-24 09:41:14,365 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 09:41:14,365 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-10-24 09:41:14,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:41:14 BoogieIcfgContainer [2021-10-24 09:41:14,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 09:41:14,369 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 09:41:14,370 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 09:41:14,373 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 09:41:14,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:41:12" (1/3) ... [2021-10-24 09:41:14,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ed1f0d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:41:14, skipping insertion in model container [2021-10-24 09:41:14,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:12" (2/3) ... [2021-10-24 09:41:14,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ed1f0d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:41:14, skipping insertion in model container [2021-10-24 09:41:14,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:41:14" (3/3) ... [2021-10-24 09:41:14,378 INFO L111 eAbstractionObserver]: Analyzing ICFG filter2_iterated.c [2021-10-24 09:41:14,384 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 09:41:14,384 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-24 09:41:14,449 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 09:41:14,455 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 [2021-10-24 09:41:14,458 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-24 09:41:14,472 INFO L276 IsEmpty]: Start isEmpty. Operand has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 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) [2021-10-24 09:41:14,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-24 09:41:14,477 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:41:14,477 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-24 09:41:14,478 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:41:14,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:41:14,484 INFO L82 PathProgramCache]: Analyzing trace with hash 2630578, now seen corresponding path program 1 times [2021-10-24 09:41:14,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 09:41:14,494 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576898719] [2021-10-24 09:41:14,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:41:14,495 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 09:41:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 09:41:14,741 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-24 09:41:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 09:41:15,006 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-24 09:41:15,009 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-24 09:41:15,010 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:41:15,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-24 09:41:15,019 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 09:41:15,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:41:15 BoogieIcfgContainer [2021-10-24 09:41:15,044 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 09:41:15,045 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 09:41:15,045 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 09:41:15,045 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 09:41:15,046 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:41:14" (3/4) ... [2021-10-24 09:41:15,049 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-24 09:41:15,050 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 09:41:15,052 INFO L168 Benchmark]: Toolchain (without parser) took 2555.21 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 75.6 MB in the beginning and 94.6 MB in the end (delta: -18.9 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. [2021-10-24 09:41:15,053 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 111.1 MB. Free memory was 82.0 MB in the beginning and 82.0 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 09:41:15,054 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.97 ms. Allocated memory is still 111.1 MB. Free memory was 75.4 MB in the beginning and 85.0 MB in the end (delta: -9.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 09:41:15,054 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.23 ms. Allocated memory is still 111.1 MB. Free memory was 85.0 MB in the beginning and 83.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 09:41:15,055 INFO L168 Benchmark]: Boogie Preprocessor took 31.68 ms. Allocated memory is still 111.1 MB. Free memory was 83.3 MB in the beginning and 81.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 09:41:15,056 INFO L168 Benchmark]: RCFGBuilder took 1422.42 ms. Allocated memory is still 111.1 MB. Free memory was 81.8 MB in the beginning and 82.3 MB in the end (delta: -491.5 kB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-10-24 09:41:15,057 INFO L168 Benchmark]: TraceAbstraction took 674.84 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 82.3 MB in the beginning and 95.3 MB in the end (delta: -13.1 MB). Peak memory consumption was 43.9 MB. Max. memory is 16.1 GB. [2021-10-24 09:41:15,057 INFO L168 Benchmark]: Witness Printer took 4.92 ms. Allocated memory is still 134.2 MB. Free memory was 95.3 MB in the beginning and 94.6 MB in the end (delta: 773.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 09:41:15,061 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 111.1 MB. Free memory was 82.0 MB in the beginning and 82.0 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 371.97 ms. Allocated memory is still 111.1 MB. Free memory was 75.4 MB in the beginning and 85.0 MB in the end (delta: -9.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.23 ms. Allocated memory is still 111.1 MB. Free memory was 85.0 MB in the beginning and 83.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.68 ms. Allocated memory is still 111.1 MB. Free memory was 83.3 MB in the beginning and 81.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1422.42 ms. Allocated memory is still 111.1 MB. Free memory was 81.8 MB in the beginning and 82.3 MB in the end (delta: -491.5 kB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 674.84 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 82.3 MB in the beginning and 95.3 MB in the end (delta: -13.1 MB). Peak memory consumption was 43.9 MB. Max. memory is 16.1 GB. * Witness Printer took 4.92 ms. Allocated memory is still 134.2 MB. Free memory was 95.3 MB in the beginning and 94.6 MB in the end (delta: 773.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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={5:0}, E2={10:0}, INIT1=1, INIT2=1, P=0, S={11:0}, S2={3:0}] [L61] COND TRUE \read(TRUE) [L62] X = 0.98*X + 85. [L63] COND FALSE !(X >= -400. && X <= 400.) [L68] COND FALSE !(X >= -800. && X <= 800.) [L9] COND TRUE !(cond) VAL [E={5:0}, E2={10:0}, INIT1=1, INIT2=1, P=0, S={11:0}, S2={3:0}, X=65] [L9] reach_error() VAL [E={5:0}, E2={10:0}, INIT1=1, INIT2=1, P=0, S={11:0}, S2={3:0}, X=65] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 570.7ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 8.2ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 8.4ms SsaConstructionTime, 170.4ms SatisfiabilityAnalysisTime, 0.0ms 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 [2021-10-24 09:41:15,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/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-e943c26 [2021-10-24 09:41:17,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 09:41:17,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 09:41:17,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 09:41:17,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 09:41:17,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 09:41:17,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 09:41:17,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 09:41:17,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 09:41:17,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 09:41:17,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 09:41:17,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 09:41:17,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 09:41:17,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 09:41:17,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 09:41:17,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 09:41:17,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 09:41:17,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 09:41:17,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 09:41:17,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 09:41:17,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 09:41:17,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 09:41:17,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 09:41:17,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 09:41:17,696 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 09:41:17,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 09:41:17,697 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 09:41:17,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 09:41:17,699 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 09:41:17,700 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 09:41:17,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 09:41:17,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 09:41:17,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 09:41:17,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 09:41:17,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 09:41:17,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 09:41:17,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 09:41:17,708 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 09:41:17,708 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 09:41:17,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 09:41:17,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 09:41:17,712 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 09:41:17,759 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 09:41:17,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 09:41:17,760 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 09:41:17,761 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 09:41:17,761 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 09:41:17,761 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 09:41:17,761 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 09:41:17,761 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 09:41:17,762 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 09:41:17,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 09:41:17,764 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 09:41:17,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 09:41:17,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 09:41:17,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 09:41:17,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 09:41:17,765 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 09:41:17,765 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 09:41:17,766 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 09:41:17,766 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 09:41:17,766 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 09:41:17,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 09:41:17,766 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 09:41:17,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 09:41:17,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 09:41:17,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 09:41:17,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 09:41:17,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:41:17,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 09:41:17,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 09:41:17,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 09:41:17,768 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 09:41:17,768 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 09:41:17,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 09:41:17,769 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 09:41:17,769 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 09:41:17,769 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_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b2a34283d37096850c6fa7d7933fe07674b3fa81a7da8c770f866e152d89627 [2021-10-24 09:41:18,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 09:41:18,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 09:41:18,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 09:41:18,235 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 09:41:18,236 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 09:41:18,237 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/float-benchs/filter2_iterated.c [2021-10-24 09:41:18,300 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/data/6883a4b15/29fa6999cea241f094360b8c01e9b14b/FLAGcd612e008 [2021-10-24 09:41:18,869 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 09:41:18,869 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/sv-benchmarks/c/float-benchs/filter2_iterated.c [2021-10-24 09:41:18,880 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/data/6883a4b15/29fa6999cea241f094360b8c01e9b14b/FLAGcd612e008 [2021-10-24 09:41:19,196 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/data/6883a4b15/29fa6999cea241f094360b8c01e9b14b [2021-10-24 09:41:19,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 09:41:19,201 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 09:41:19,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 09:41:19,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 09:41:19,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 09:41:19,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:41:19" (1/1) ... [2021-10-24 09:41:19,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14c6838f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:19, skipping insertion in model container [2021-10-24 09:41:19,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:41:19" (1/1) ... [2021-10-24 09:41:19,227 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 09:41:19,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 09:41:19,384 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_29c3a72d-60ca-483a-a908-6a9ce9340f4b/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2021-10-24 09:41:19,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:41:19,443 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 09:41:19,498 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_29c3a72d-60ca-483a-a908-6a9ce9340f4b/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2021-10-24 09:41:19,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:41:19,571 INFO L208 MainTranslator]: Completed translation [2021-10-24 09:41:19,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:19 WrapperNode [2021-10-24 09:41:19,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 09:41:19,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 09:41:19,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 09:41:19,573 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 09:41:19,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:19" (1/1) ... [2021-10-24 09:41:19,593 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:19" (1/1) ... [2021-10-24 09:41:19,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 09:41:19,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 09:41:19,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 09:41:19,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 09:41:19,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:19" (1/1) ... [2021-10-24 09:41:19,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:19" (1/1) ... [2021-10-24 09:41:19,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:19" (1/1) ... [2021-10-24 09:41:19,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:19" (1/1) ... [2021-10-24 09:41:19,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:19" (1/1) ... [2021-10-24 09:41:19,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:19" (1/1) ... [2021-10-24 09:41:19,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:19" (1/1) ... [2021-10-24 09:41:19,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 09:41:19,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 09:41:19,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 09:41:19,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 09:41:19,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:41:19" (1/1) ... [2021-10-24 09:41:19,695 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:41:19,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 09:41:19,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 09:41:19,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 09:41:19,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-10-24 09:41:19,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 09:41:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 09:41:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-24 09:41:19,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 09:41:19,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 09:41:19,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-24 09:41:36,357 WARN L228 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2021-10-24 09:41:36,358 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:260) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) 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:724) 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:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:237) ... 25 more [2021-10-24 09:41:36,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2021-10-24 09:41:36,362 INFO L168 Benchmark]: Toolchain (without parser) took 17159.21 ms. Allocated memory is still 62.9 MB. Free memory was 42.7 MB in the beginning and 41.9 MB in the end (delta: 813.7 kB). Peak memory consumption was 19.7 MB. Max. memory is 16.1 GB. [2021-10-24 09:41:36,363 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 62.9 MB. Free memory is still 43.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 09:41:36,364 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.74 ms. Allocated memory is still 62.9 MB. Free memory was 42.5 MB in the beginning and 44.0 MB in the end (delta: -1.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 09:41:36,365 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.04 ms. Allocated memory is still 62.9 MB. Free memory was 44.0 MB in the beginning and 41.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 09:41:36,366 INFO L168 Benchmark]: Boogie Preprocessor took 67.57 ms. Allocated memory is still 62.9 MB. Free memory was 41.9 MB in the beginning and 40.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 09:41:36,367 INFO L168 Benchmark]: RCFGBuilder took 16671.71 ms. Allocated memory is still 62.9 MB. Free memory was 39.8 MB in the beginning and 41.9 MB in the end (delta: -2.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. [2021-10-24 09:41:36,371 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 62.9 MB. Free memory is still 43.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 369.74 ms. Allocated memory is still 62.9 MB. Free memory was 42.5 MB in the beginning and 44.0 MB in the end (delta: -1.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.04 ms. Allocated memory is still 62.9 MB. Free memory was 44.0 MB in the beginning and 41.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 67.57 ms. Allocated memory is still 62.9 MB. Free memory was 41.9 MB in the beginning and 40.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 16671.71 ms. Allocated memory is still 62.9 MB. Free memory was 39.8 MB in the beginning and 41.9 MB in the end (delta: -2.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29c3a72d-60ca-483a-a908-6a9ce9340f4b/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...