./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec2_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec2_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl --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 e1240a0d3e559b8971965b03cecb352351a22be921567ab044722f9bb2872bc1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:47:43,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:47:43,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:47:43,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:47:43,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:47:43,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:47:43,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:47:43,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:47:43,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:47:43,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:47:43,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:47:43,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:47:43,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:47:43,219 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:47:43,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:47:43,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:47:43,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:47:43,230 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:47:43,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:47:43,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:47:43,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:47:43,240 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:47:43,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:47:43,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:47:43,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:47:43,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:47:43,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:47:43,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:47:43,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:47:43,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:47:43,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:47:43,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:47:43,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:47:43,267 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:47:43,268 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:47:43,268 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:47:43,269 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:47:43,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:47:43,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:47:43,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:47:43,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:47:43,276 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 16:47:43,332 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:47:43,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:47:43,333 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:47:43,333 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:47:43,334 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:47:43,334 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:47:43,334 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:47:43,335 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:47:43,335 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:47:43,335 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:47:43,335 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:47:43,335 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:47:43,336 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:47:43,336 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:47:43,336 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:47:43,336 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:47:43,337 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:47:43,337 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:47:43,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:47:43,338 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:47:43,338 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:47:43,338 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:47:43,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:47:43,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:47:43,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:47:43,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:47:43,340 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:47:43,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:47:43,340 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:47:43,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:47:43,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:47:43,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:47:43,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:47:43,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:47:43,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:47:43,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:47:43,342 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:47:43,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:47:43,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:47:43,343 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:47:43,343 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:47:43,343 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_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1240a0d3e559b8971965b03cecb352351a22be921567ab044722f9bb2872bc1 [2021-11-23 16:47:43,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:47:43,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:47:43,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:47:43,616 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:47:43,616 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:47:43,618 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/elevator_spec2_product20.cil.c [2021-11-23 16:47:43,718 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/data/0ccceaf14/6f546e1419644bafb31d13c2548ec7f8/FLAG078b4d8a7 [2021-11-23 16:47:44,412 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:47:44,413 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/sv-benchmarks/c/product-lines/elevator_spec2_product20.cil.c [2021-11-23 16:47:44,442 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/data/0ccceaf14/6f546e1419644bafb31d13c2548ec7f8/FLAG078b4d8a7 [2021-11-23 16:47:44,534 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/data/0ccceaf14/6f546e1419644bafb31d13c2548ec7f8 [2021-11-23 16:47:44,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:47:44,538 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:47:44,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:47:44,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:47:44,543 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:47:44,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:47:44" (1/1) ... [2021-11-23 16:47:44,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fc10a29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:44, skipping insertion in model container [2021-11-23 16:47:44,546 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:47:44" (1/1) ... [2021-11-23 16:47:44,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:47:44,623 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:47:45,120 WARN L230 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_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/sv-benchmarks/c/product-lines/elevator_spec2_product20.cil.c[38445,38458] [2021-11-23 16:47:45,281 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:47:45,291 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:47:45,364 WARN L230 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_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/sv-benchmarks/c/product-lines/elevator_spec2_product20.cil.c[38445,38458] [2021-11-23 16:47:45,467 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:47:45,517 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:47:45,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:45 WrapperNode [2021-11-23 16:47:45,518 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:47:45,519 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:47:45,519 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:47:45,519 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:47:45,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:45" (1/1) ... [2021-11-23 16:47:45,591 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:45" (1/1) ... [2021-11-23 16:47:45,684 INFO L137 Inliner]: procedures = 96, calls = 346, calls flagged for inlining = 26, calls inlined = 22, statements flattened = 1134 [2021-11-23 16:47:45,684 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:47:45,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:47:45,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:47:45,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:47:45,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:45" (1/1) ... [2021-11-23 16:47:45,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:45" (1/1) ... [2021-11-23 16:47:45,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:45" (1/1) ... [2021-11-23 16:47:45,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:45" (1/1) ... [2021-11-23 16:47:45,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:45" (1/1) ... [2021-11-23 16:47:45,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:45" (1/1) ... [2021-11-23 16:47:45,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:45" (1/1) ... [2021-11-23 16:47:45,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:47:45,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:47:45,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:47:45,822 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:47:45,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:45" (1/1) ... [2021-11-23 16:47:45,839 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:47:45,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:47:45,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:47:45,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:47:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:47:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2021-11-23 16:47:45,913 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2021-11-23 16:47:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2021-11-23 16:47:45,913 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2021-11-23 16:47:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2021-11-23 16:47:45,914 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2021-11-23 16:47:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2021-11-23 16:47:45,915 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2021-11-23 16:47:45,915 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2021-11-23 16:47:45,915 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2021-11-23 16:47:45,915 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2021-11-23 16:47:45,916 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2021-11-23 16:47:45,916 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2021-11-23 16:47:45,916 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2021-11-23 16:47:45,916 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 16:47:45,916 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 16:47:45,916 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 16:47:45,917 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 16:47:45,917 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2021-11-23 16:47:45,917 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2021-11-23 16:47:45,917 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-11-23 16:47:45,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-11-23 16:47:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2021-11-23 16:47:45,918 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2021-11-23 16:47:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2021-11-23 16:47:45,918 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2021-11-23 16:47:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2021-11-23 16:47:45,919 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2021-11-23 16:47:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2021-11-23 16:47:45,919 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2021-11-23 16:47:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2021-11-23 16:47:45,920 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2021-11-23 16:47:45,920 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2021-11-23 16:47:45,920 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2021-11-23 16:47:45,920 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2021-11-23 16:47:45,920 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2021-11-23 16:47:45,920 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2021-11-23 16:47:45,921 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2021-11-23 16:47:45,921 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2021-11-23 16:47:45,921 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2021-11-23 16:47:45,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 16:47:45,921 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2021-11-23 16:47:45,922 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2021-11-23 16:47:45,922 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2021-11-23 16:47:45,922 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2021-11-23 16:47:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2021-11-23 16:47:45,924 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2021-11-23 16:47:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:47:45,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:47:45,925 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2021-11-23 16:47:45,925 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2021-11-23 16:47:45,926 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2021-11-23 16:47:45,926 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2021-11-23 16:47:46,136 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:47:46,138 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:47:47,165 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:47:47,231 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2021-11-23 16:47:47,241 INFO L158 Benchmark]: Toolchain (without parser) took 2701.04ms. Allocated memory was 92.3MB in the beginning and 121.6MB in the end (delta: 29.4MB). Free memory was 64.6MB in the beginning and 84.3MB in the end (delta: -19.6MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. [2021-11-23 16:47:47,243 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 92.3MB. Free memory was 64.9MB in the beginning and 64.8MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:47:47,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 978.79ms. Allocated memory was 92.3MB in the beginning and 121.6MB in the end (delta: 29.4MB). Free memory was 64.4MB in the beginning and 92.0MB in the end (delta: -27.5MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2021-11-23 16:47:47,246 INFO L158 Benchmark]: Boogie Procedure Inliner took 165.40ms. Allocated memory is still 121.6MB. Free memory was 92.0MB in the beginning and 86.6MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 16:47:47,247 INFO L158 Benchmark]: Boogie Preprocessor took 135.62ms. Allocated memory is still 121.6MB. Free memory was 86.6MB in the beginning and 81.5MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 16:47:47,249 INFO L158 Benchmark]: RCFGBuilder took 1417.13ms. Allocated memory is still 121.6MB. Free memory was 81.5MB in the beginning and 84.3MB in the end (delta: -2.8MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2021-11-23 16:47:47,258 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 92.3MB. Free memory was 64.9MB in the beginning and 64.8MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 978.79ms. Allocated memory was 92.3MB in the beginning and 121.6MB in the end (delta: 29.4MB). Free memory was 64.4MB in the beginning and 92.0MB in the end (delta: -27.5MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 165.40ms. Allocated memory is still 121.6MB. Free memory was 92.0MB in the beginning and 86.6MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 135.62ms. Allocated memory is still 121.6MB. Free memory was 86.6MB in the beginning and 81.5MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1417.13ms. Allocated memory is still 121.6MB. Free memory was 81.5MB in the beginning and 84.3MB in the end (delta: -2.8MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:47:47,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec2_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl --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 e1240a0d3e559b8971965b03cecb352351a22be921567ab044722f9bb2872bc1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:47:49,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:47:49,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:47:49,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:47:49,765 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:47:49,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:47:49,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:47:49,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:47:49,781 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:47:49,789 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:47:49,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:47:49,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:47:49,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:47:49,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:47:49,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:47:49,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:47:49,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:47:49,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:47:49,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:47:49,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:47:49,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:47:49,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:47:49,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:47:49,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:47:49,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:47:49,837 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:47:49,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:47:49,839 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:47:49,840 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:47:49,841 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:47:49,842 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:47:49,843 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:47:49,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:47:49,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:47:49,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:47:49,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:47:49,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:47:49,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:47:49,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:47:49,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:47:49,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:47:49,857 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 16:47:49,904 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:47:49,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:47:49,905 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:47:49,905 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:47:49,906 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:47:49,906 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:47:49,906 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:47:49,907 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:47:49,907 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:47:49,907 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:47:49,908 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:47:49,909 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:47:49,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:47:49,910 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:47:49,911 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:47:49,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:47:49,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:47:49,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:47:49,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:47:49,912 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:47:49,912 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:47:49,912 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:47:49,912 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:47:49,913 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:47:49,913 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:47:49,913 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:47:49,913 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:47:49,914 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:47:49,914 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:47:49,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:47:49,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:47:49,915 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:47:49,915 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:47:49,916 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:47:49,916 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:47:49,916 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:47:49,916 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:47:49,917 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:47:49,917 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_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1240a0d3e559b8971965b03cecb352351a22be921567ab044722f9bb2872bc1 [2021-11-23 16:47:50,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:47:50,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:47:50,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:47:50,343 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:47:50,344 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:47:50,345 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/elevator_spec2_product20.cil.c [2021-11-23 16:47:50,423 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/data/b135716bf/cda01eea472e41558f0001807d38b6c3/FLAGbec554c1d [2021-11-23 16:47:51,181 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:47:51,182 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/sv-benchmarks/c/product-lines/elevator_spec2_product20.cil.c [2021-11-23 16:47:51,211 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/data/b135716bf/cda01eea472e41558f0001807d38b6c3/FLAGbec554c1d [2021-11-23 16:47:51,369 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/data/b135716bf/cda01eea472e41558f0001807d38b6c3 [2021-11-23 16:47:51,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:47:51,379 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:47:51,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:47:51,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:47:51,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:47:51,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:47:51" (1/1) ... [2021-11-23 16:47:51,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7521f016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:51, skipping insertion in model container [2021-11-23 16:47:51,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:47:51" (1/1) ... [2021-11-23 16:47:51,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:47:51,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:47:51,876 WARN L230 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_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/sv-benchmarks/c/product-lines/elevator_spec2_product20.cil.c[38445,38458] [2021-11-23 16:47:52,039 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:47:52,051 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 16:47:52,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:47:52,180 WARN L230 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_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/sv-benchmarks/c/product-lines/elevator_spec2_product20.cil.c[38445,38458] [2021-11-23 16:47:52,264 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:47:52,277 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:47:52,369 WARN L230 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_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/sv-benchmarks/c/product-lines/elevator_spec2_product20.cil.c[38445,38458] [2021-11-23 16:47:52,441 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:47:52,473 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:47:52,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:52 WrapperNode [2021-11-23 16:47:52,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:47:52,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:47:52,475 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:47:52,475 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:47:52,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:52" (1/1) ... [2021-11-23 16:47:52,551 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:52" (1/1) ... [2021-11-23 16:47:52,607 INFO L137 Inliner]: procedures = 98, calls = 346, calls flagged for inlining = 26, calls inlined = 22, statements flattened = 1073 [2021-11-23 16:47:52,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:47:52,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:47:52,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:47:52,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:47:52,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:52" (1/1) ... [2021-11-23 16:47:52,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:52" (1/1) ... [2021-11-23 16:47:52,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:52" (1/1) ... [2021-11-23 16:47:52,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:52" (1/1) ... [2021-11-23 16:47:52,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:52" (1/1) ... [2021-11-23 16:47:52,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:52" (1/1) ... [2021-11-23 16:47:52,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:52" (1/1) ... [2021-11-23 16:47:52,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:47:52,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:47:52,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:47:52,693 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:47:52,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:52" (1/1) ... [2021-11-23 16:47:52,714 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:47:52,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:47:52,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:47:52,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:47:52,802 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2021-11-23 16:47:52,802 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2021-11-23 16:47:52,802 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2021-11-23 16:47:52,802 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2021-11-23 16:47:52,803 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2021-11-23 16:47:52,803 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2021-11-23 16:47:52,803 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2021-11-23 16:47:52,803 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2021-11-23 16:47:52,803 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 16:47:52,803 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 16:47:52,804 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2021-11-23 16:47:52,804 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2021-11-23 16:47:52,804 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2021-11-23 16:47:52,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2021-11-23 16:47:52,804 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2021-11-23 16:47:52,804 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2021-11-23 16:47:52,805 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2021-11-23 16:47:52,805 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2021-11-23 16:47:52,805 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2021-11-23 16:47:52,805 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2021-11-23 16:47:52,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:47:52,805 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2021-11-23 16:47:52,806 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2021-11-23 16:47:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2021-11-23 16:47:52,806 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2021-11-23 16:47:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2021-11-23 16:47:52,806 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2021-11-23 16:47:52,807 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 16:47:52,807 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 16:47:52,807 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2021-11-23 16:47:52,807 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2021-11-23 16:47:52,807 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-11-23 16:47:52,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-11-23 16:47:52,808 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2021-11-23 16:47:52,808 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2021-11-23 16:47:52,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 16:47:52,808 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2021-11-23 16:47:52,808 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2021-11-23 16:47:52,808 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2021-11-23 16:47:52,809 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2021-11-23 16:47:52,809 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2021-11-23 16:47:52,809 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2021-11-23 16:47:52,809 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2021-11-23 16:47:52,809 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2021-11-23 16:47:52,809 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2021-11-23 16:47:52,810 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2021-11-23 16:47:52,810 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2021-11-23 16:47:52,810 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2021-11-23 16:47:52,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:47:52,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:47:52,811 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2021-11-23 16:47:52,811 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2021-11-23 16:47:52,811 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2021-11-23 16:47:52,811 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2021-11-23 16:47:53,015 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:47:53,017 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:47:54,248 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:47:54,261 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 16:47:54,261 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 16:47:54,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:47:54 BoogieIcfgContainer [2021-11-23 16:47:54,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 16:47:54,267 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 16:47:54,267 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 16:47:54,270 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 16:47:54,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:47:51" (1/3) ... [2021-11-23 16:47:54,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14cb1a10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:47:54, skipping insertion in model container [2021-11-23 16:47:54,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:52" (2/3) ... [2021-11-23 16:47:54,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14cb1a10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:47:54, skipping insertion in model container [2021-11-23 16:47:54,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:47:54" (3/3) ... [2021-11-23 16:47:54,273 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product20.cil.c [2021-11-23 16:47:54,279 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 16:47:54,279 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 16:47:54,335 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 16:47:54,342 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 [2021-11-23 16:47:54,342 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 16:47:54,382 INFO L276 IsEmpty]: Start isEmpty. Operand has 569 states, 443 states have (on average 1.6862302483069977) internal successors, (747), 466 states have internal predecessors, (747), 99 states have call successors, (99), 25 states have call predecessors, (99), 25 states have return successors, (99), 92 states have call predecessors, (99), 99 states have call successors, (99) [2021-11-23 16:47:54,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 16:47:54,396 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:47:54,397 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 16:47:54,397 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:47:54,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:47:54,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1719708547, now seen corresponding path program 1 times [2021-11-23 16:47:54,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:47:54,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1392310524] [2021-11-23 16:47:54,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:47:54,420 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:47:54,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:47:54,427 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:47:54,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 16:47:54,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 16:47:54,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:47:54,739 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 16:47:54,744 INFO L158 Benchmark]: Toolchain (without parser) took 3363.62ms. Allocated memory was 56.6MB in the beginning and 86.0MB in the end (delta: 29.4MB). Free memory was 31.2MB in the beginning and 38.7MB in the end (delta: -7.5MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2021-11-23 16:47:54,745 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 56.6MB. Free memory was 36.1MB in the beginning and 36.0MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:47:54,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1091.81ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 31.0MB in the beginning and 43.8MB in the end (delta: -12.8MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2021-11-23 16:47:54,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 133.14ms. Allocated memory is still 71.3MB. Free memory was 43.4MB in the beginning and 38.3MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 16:47:54,751 INFO L158 Benchmark]: Boogie Preprocessor took 83.33ms. Allocated memory is still 71.3MB. Free memory was 37.9MB in the beginning and 32.9MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 16:47:54,752 INFO L158 Benchmark]: RCFGBuilder took 1572.57ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 32.9MB in the beginning and 52.9MB in the end (delta: -20.0MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2021-11-23 16:47:54,754 INFO L158 Benchmark]: TraceAbstraction took 475.28ms. Allocated memory is still 86.0MB. Free memory was 52.4MB in the beginning and 38.7MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 16:47:54,758 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 56.6MB. Free memory was 36.1MB in the beginning and 36.0MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1091.81ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 31.0MB in the beginning and 43.8MB in the end (delta: -12.8MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 133.14ms. Allocated memory is still 71.3MB. Free memory was 43.4MB in the beginning and 38.3MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.33ms. Allocated memory is still 71.3MB. Free memory was 37.9MB in the beginning and 32.9MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1572.57ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 32.9MB in the beginning and 52.9MB in the end (delta: -20.0MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * TraceAbstraction took 475.28ms. Allocated memory is still 86.0MB. Free memory was 52.4MB in the beginning and 38.7MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:47:54,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbf8d96-4cb3-47a1-9a7c-8061b35e31dc/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable