./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec1_product03.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_079b39bd-bf47-425c-9577-c192866ed375/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b39bd-bf47-425c-9577-c192866ed375/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_079b39bd-bf47-425c-9577-c192866ed375/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b39bd-bf47-425c-9577-c192866ed375/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec1_product03.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b39bd-bf47-425c-9577-c192866ed375/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_079b39bd-bf47-425c-9577-c192866ed375/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 4d8d329904ea0b1d6316e01ffefe794d3e2b31dff55810a28221762d0c9b0f86 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:12:14,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:12:14,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:12:14,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:12:14,262 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:12:14,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:12:14,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:12:14,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:12:14,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:12:14,279 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:12:14,280 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:12:14,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:12:14,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:12:14,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:12:14,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:12:14,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:12:14,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:12:14,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:12:14,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:12:14,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:12:14,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:12:14,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:12:14,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:12:14,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:12:14,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:12:14,321 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:12:14,322 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:12:14,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:12:14,324 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:12:14,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:12:14,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:12:14,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:12:14,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:12:14,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:12:14,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:12:14,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:12:14,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:12:14,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:12:14,340 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:12:14,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:12:14,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:12:14,343 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b39bd-bf47-425c-9577-c192866ed375/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:12:14,404 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:12:14,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:12:14,405 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:12:14,405 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:12:14,406 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:12:14,406 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:12:14,406 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:12:14,407 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:12:14,407 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:12:14,407 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:12:14,408 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:12:14,408 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:12:14,409 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:12:14,409 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:12:14,409 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:12:14,410 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:12:14,410 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:12:14,410 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:12:14,412 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:12:14,412 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:12:14,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:12:14,413 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:12:14,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:12:14,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:12:14,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:12:14,414 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:12:14,417 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:12:14,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:12:14,417 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:12:14,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:12:14,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:12:14,419 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:12:14,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:12:14,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:12:14,420 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:12:14,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:12:14,421 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:12:14,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:12:14,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:12:14,422 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:12:14,422 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:12:14,423 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_079b39bd-bf47-425c-9577-c192866ed375/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b39bd-bf47-425c-9577-c192866ed375/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d8d329904ea0b1d6316e01ffefe794d3e2b31dff55810a28221762d0c9b0f86 [2021-11-23 17:12:14,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:12:14,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:12:14,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:12:14,803 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:12:14,806 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:12:14,808 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b39bd-bf47-425c-9577-c192866ed375/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/elevator_spec1_product03.cil.c [2021-11-23 17:12:14,924 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b39bd-bf47-425c-9577-c192866ed375/bin/utaipan-fb15Y9Yzbl/data/be91adfcd/128c69d4fa174577b66a000f29ab6ae5/FLAGc7ee01c0d [2021-11-23 17:12:15,668 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:12:15,669 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b39bd-bf47-425c-9577-c192866ed375/sv-benchmarks/c/product-lines/elevator_spec1_product03.cil.c [2021-11-23 17:12:15,694 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b39bd-bf47-425c-9577-c192866ed375/bin/utaipan-fb15Y9Yzbl/data/be91adfcd/128c69d4fa174577b66a000f29ab6ae5/FLAGc7ee01c0d [2021-11-23 17:12:15,846 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b39bd-bf47-425c-9577-c192866ed375/bin/utaipan-fb15Y9Yzbl/data/be91adfcd/128c69d4fa174577b66a000f29ab6ae5 [2021-11-23 17:12:15,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:12:15,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:12:15,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:12:15,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:12:15,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:12:15,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:12:15" (1/1) ... [2021-11-23 17:12:15,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9300d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:15, skipping insertion in model container [2021-11-23 17:12:15,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:12:15" (1/1) ... [2021-11-23 17:12:15,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:12:15,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:12:16,785 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_079b39bd-bf47-425c-9577-c192866ed375/sv-benchmarks/c/product-lines/elevator_spec1_product03.cil.c[49188,49201] [2021-11-23 17:12:16,861 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:12:16,874 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:12:17,032 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_079b39bd-bf47-425c-9577-c192866ed375/sv-benchmarks/c/product-lines/elevator_spec1_product03.cil.c[49188,49201] [2021-11-23 17:12:17,074 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:12:17,117 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:12:17,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:17 WrapperNode [2021-11-23 17:12:17,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:12:17,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:12:17,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:12:17,120 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:12:17,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:17" (1/1) ... [2021-11-23 17:12:17,164 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:17" (1/1) ... [2021-11-23 17:12:17,237 INFO L137 Inliner]: procedures = 92, calls = 337, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 1060 [2021-11-23 17:12:17,237 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:12:17,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:12:17,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:12:17,238 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:12:17,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:17" (1/1) ... [2021-11-23 17:12:17,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:17" (1/1) ... [2021-11-23 17:12:17,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:17" (1/1) ... [2021-11-23 17:12:17,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:17" (1/1) ... [2021-11-23 17:12:17,341 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:17" (1/1) ... [2021-11-23 17:12:17,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:17" (1/1) ... [2021-11-23 17:12:17,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:17" (1/1) ... [2021-11-23 17:12:17,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:12:17,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:12:17,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:12:17,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:12:17,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:17" (1/1) ... [2021-11-23 17:12:17,444 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:12:17,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b39bd-bf47-425c-9577-c192866ed375/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:12:17,490 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b39bd-bf47-425c-9577-c192866ed375/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:12:17,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b39bd-bf47-425c-9577-c192866ed375/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:12:17,574 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2021-11-23 17:12:17,574 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2021-11-23 17:12:17,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:12:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2021-11-23 17:12:17,575 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2021-11-23 17:12:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2021-11-23 17:12:17,575 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2021-11-23 17:12:17,576 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2021-11-23 17:12:17,576 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2021-11-23 17:12:17,576 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2021-11-23 17:12:17,576 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2021-11-23 17:12:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2021-11-23 17:12:17,577 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2021-11-23 17:12:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 17:12:17,577 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 17:12:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 17:12:17,578 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 17:12:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2021-11-23 17:12:17,578 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2021-11-23 17:12:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-11-23 17:12:17,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-11-23 17:12:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2021-11-23 17:12:17,579 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2021-11-23 17:12:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2021-11-23 17:12:17,579 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2021-11-23 17:12:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2021-11-23 17:12:17,580 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2021-11-23 17:12:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2021-11-23 17:12:17,580 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2021-11-23 17:12:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2021-11-23 17:12:17,581 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2021-11-23 17:12:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2021-11-23 17:12:17,583 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2021-11-23 17:12:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2021-11-23 17:12:17,583 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2021-11-23 17:12:17,584 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2021-11-23 17:12:17,584 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2021-11-23 17:12:17,584 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2021-11-23 17:12:17,584 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2021-11-23 17:12:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__base [2021-11-23 17:12:17,585 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__base [2021-11-23 17:12:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:12:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2021-11-23 17:12:17,586 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2021-11-23 17:12:17,586 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2021-11-23 17:12:17,586 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2021-11-23 17:12:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2021-11-23 17:12:17,588 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2021-11-23 17:12:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:12:17,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:12:17,591 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2021-11-23 17:12:17,591 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2021-11-23 17:12:17,817 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:12:17,822 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:12:19,476 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:12:19,558 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 17:12:19,571 INFO L158 Benchmark]: Toolchain (without parser) took 3713.98ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 42.0MB in the beginning and 55.2MB in the end (delta: -13.2MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2021-11-23 17:12:19,573 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 81.8MB. Free memory was 61.3MB in the beginning and 61.2MB in the end (delta: 78.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:12:19,575 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1259.49ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 41.8MB in the beginning and 54.5MB in the end (delta: -12.7MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2021-11-23 17:12:19,577 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.09ms. Allocated memory is still 104.9MB. Free memory was 54.5MB in the beginning and 49.0MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:12:19,578 INFO L158 Benchmark]: Boogie Preprocessor took 185.33ms. Allocated memory is still 104.9MB. Free memory was 49.0MB in the beginning and 44.4MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:12:19,579 INFO L158 Benchmark]: RCFGBuilder took 2142.74ms. Allocated memory is still 104.9MB. Free memory was 44.4MB in the beginning and 55.2MB in the end (delta: -10.7MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2021-11-23 17:12:19,591 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 81.8MB. Free memory was 61.3MB in the beginning and 61.2MB in the end (delta: 78.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1259.49ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 41.8MB in the beginning and 54.5MB in the end (delta: -12.7MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 118.09ms. Allocated memory is still 104.9MB. Free memory was 54.5MB in the beginning and 49.0MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 185.33ms. Allocated memory is still 104.9MB. Free memory was 49.0MB in the beginning and 44.4MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2142.74ms. Allocated memory is still 104.9MB. Free memory was 44.4MB in the beginning and 55.2MB in the end (delta: -10.7MB). Peak memory consumption was 16.6MB. 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 17:12:19,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b39bd-bf47-425c-9577-c192866ed375/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_079b39bd-bf47-425c-9577-c192866ed375/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b39bd-bf47-425c-9577-c192866ed375/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_079b39bd-bf47-425c-9577-c192866ed375/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b39bd-bf47-425c-9577-c192866ed375/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec1_product03.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b39bd-bf47-425c-9577-c192866ed375/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_079b39bd-bf47-425c-9577-c192866ed375/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 4d8d329904ea0b1d6316e01ffefe794d3e2b31dff55810a28221762d0c9b0f86 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:12:22,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:12:22,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:12:22,716 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:12:22,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:12:22,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:12:22,727 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:12:22,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:12:22,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:12:22,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:12:22,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:12:22,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:12:22,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:12:22,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:12:22,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:12:22,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:12:22,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:12:22,767 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:12:22,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:12:22,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:12:22,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:12:22,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:12:22,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:12:22,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:12:22,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:12:22,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:12:22,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:12:22,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:12:22,807 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:12:22,808 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:12:22,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:12:22,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:12:22,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:12:22,814 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:12:22,815 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:12:22,816 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:12:22,817 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:12:22,817 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:12:22,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:12:22,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:12:22,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:12:22,822 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b39bd-bf47-425c-9577-c192866ed375/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:12:22,878 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:12:22,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:12:22,880 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:12:22,880 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:12:22,881 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:12:22,881 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:12:22,882 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:12:22,882 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:12:22,882 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:12:22,882 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:12:22,884 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:12:22,884 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:12:22,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:12:22,886 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:12:22,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:12:22,887 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:12:22,887 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:12:22,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:12:22,887 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:12:22,888 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:12:22,888 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:12:22,888 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:12:22,888 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:12:22,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:12:22,889 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:12:22,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:12:22,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:12:22,890 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:12:22,890 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:12:22,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:12:22,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:12:22,891 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:12:22,891 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:12:22,891 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:12:22,892 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:12:22,892 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:12:22,892 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:12:22,893 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:12:22,893 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_079b39bd-bf47-425c-9577-c192866ed375/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b39bd-bf47-425c-9577-c192866ed375/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d8d329904ea0b1d6316e01ffefe794d3e2b31dff55810a28221762d0c9b0f86 [2021-11-23 17:12:23,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:12:23,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:12:23,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:12:23,410 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:12:23,416 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:12:23,418 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b39bd-bf47-425c-9577-c192866ed375/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/product-lines/elevator_spec1_product03.cil.c [2021-11-23 17:12:23,505 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b39bd-bf47-425c-9577-c192866ed375/bin/utaipan-fb15Y9Yzbl/data/b58c4dd01/d6f97247356b4cb6aa469e8192bf5a0d/FLAGb608d2bc5 [2021-11-23 17:12:24,399 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:12:24,400 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b39bd-bf47-425c-9577-c192866ed375/sv-benchmarks/c/product-lines/elevator_spec1_product03.cil.c [2021-11-23 17:12:24,444 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b39bd-bf47-425c-9577-c192866ed375/bin/utaipan-fb15Y9Yzbl/data/b58c4dd01/d6f97247356b4cb6aa469e8192bf5a0d/FLAGb608d2bc5 [2021-11-23 17:12:24,546 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b39bd-bf47-425c-9577-c192866ed375/bin/utaipan-fb15Y9Yzbl/data/b58c4dd01/d6f97247356b4cb6aa469e8192bf5a0d [2021-11-23 17:12:24,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:12:24,551 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:12:24,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:12:24,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:12:24,558 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:12:24,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:12:24" (1/1) ... [2021-11-23 17:12:24,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78e94ad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:24, skipping insertion in model container [2021-11-23 17:12:24,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:12:24" (1/1) ... [2021-11-23 17:12:24,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:12:24,697 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:12:25,390 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_079b39bd-bf47-425c-9577-c192866ed375/sv-benchmarks/c/product-lines/elevator_spec1_product03.cil.c[49188,49201] [2021-11-23 17:12:25,479 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:12:25,500 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:12:25,542 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:12:25,665 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_079b39bd-bf47-425c-9577-c192866ed375/sv-benchmarks/c/product-lines/elevator_spec1_product03.cil.c[49188,49201] [2021-11-23 17:12:25,727 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:12:25,741 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:12:25,834 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_079b39bd-bf47-425c-9577-c192866ed375/sv-benchmarks/c/product-lines/elevator_spec1_product03.cil.c[49188,49201] [2021-11-23 17:12:25,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:12:25,953 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:12:25,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:25 WrapperNode [2021-11-23 17:12:25,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:12:25,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:12:25,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:12:25,955 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:12:25,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:25" (1/1) ... [2021-11-23 17:12:26,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:25" (1/1) ... [2021-11-23 17:12:26,130 INFO L137 Inliner]: procedures = 94, calls = 337, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 1002 [2021-11-23 17:12:26,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:12:26,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:12:26,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:12:26,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:12:26,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:25" (1/1) ... [2021-11-23 17:12:26,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:25" (1/1) ... [2021-11-23 17:12:26,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:25" (1/1) ... [2021-11-23 17:12:26,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:25" (1/1) ... [2021-11-23 17:12:26,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:25" (1/1) ... [2021-11-23 17:12:26,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:25" (1/1) ... [2021-11-23 17:12:26,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:25" (1/1) ... [2021-11-23 17:12:26,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:12:26,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:12:26,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:12:26,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:12:26,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:25" (1/1) ... [2021-11-23 17:12:26,304 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:12:26,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b39bd-bf47-425c-9577-c192866ed375/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:12:26,339 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b39bd-bf47-425c-9577-c192866ed375/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:12:26,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b39bd-bf47-425c-9577-c192866ed375/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:12:26,398 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2021-11-23 17:12:26,398 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2021-11-23 17:12:26,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:12:26,399 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2021-11-23 17:12:26,399 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2021-11-23 17:12:26,399 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2021-11-23 17:12:26,399 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2021-11-23 17:12:26,399 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2021-11-23 17:12:26,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2021-11-23 17:12:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2021-11-23 17:12:26,400 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2021-11-23 17:12:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2021-11-23 17:12:26,400 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2021-11-23 17:12:26,401 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 17:12:26,401 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 17:12:26,401 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 17:12:26,401 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 17:12:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2021-11-23 17:12:26,402 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2021-11-23 17:12:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-11-23 17:12:26,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-11-23 17:12:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2021-11-23 17:12:26,403 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2021-11-23 17:12:26,403 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2021-11-23 17:12:26,403 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2021-11-23 17:12:26,403 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2021-11-23 17:12:26,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2021-11-23 17:12:26,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:12:26,405 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2021-11-23 17:12:26,405 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2021-11-23 17:12:26,405 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2021-11-23 17:12:26,405 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2021-11-23 17:12:26,406 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2021-11-23 17:12:26,406 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2021-11-23 17:12:26,406 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2021-11-23 17:12:26,407 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2021-11-23 17:12:26,407 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2021-11-23 17:12:26,407 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2021-11-23 17:12:26,407 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2021-11-23 17:12:26,408 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2021-11-23 17:12:26,408 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__base [2021-11-23 17:12:26,408 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__base [2021-11-23 17:12:26,408 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2021-11-23 17:12:26,408 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2021-11-23 17:12:26,409 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2021-11-23 17:12:26,409 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2021-11-23 17:12:26,411 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2021-11-23 17:12:26,411 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2021-11-23 17:12:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:12:26,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:12:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2021-11-23 17:12:26,413 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2021-11-23 17:12:26,713 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:12:26,716 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:12:28,161 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:12:28,178 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:12:28,178 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 17:12:28,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:12:28 BoogieIcfgContainer [2021-11-23 17:12:28,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:12:28,185 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:12:28,185 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:12:28,189 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:12:28,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:12:24" (1/3) ... [2021-11-23 17:12:28,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b773406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:12:28, skipping insertion in model container [2021-11-23 17:12:28,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:25" (2/3) ... [2021-11-23 17:12:28,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b773406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:12:28, skipping insertion in model container [2021-11-23 17:12:28,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:12:28" (3/3) ... [2021-11-23 17:12:28,194 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product03.cil.c [2021-11-23 17:12:28,201 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:12:28,201 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:12:28,272 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:12:28,282 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 17:12:28,282 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:12:28,327 INFO L276 IsEmpty]: Start isEmpty. Operand has 552 states, 429 states have (on average 1.68997668997669) internal successors, (725), 450 states have internal predecessors, (725), 97 states have call successors, (97), 24 states have call predecessors, (97), 24 states have return successors, (97), 91 states have call predecessors, (97), 97 states have call successors, (97) [2021-11-23 17:12:28,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-23 17:12:28,365 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:12:28,367 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:12:28,367 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:12:28,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:12:28,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1206513483, now seen corresponding path program 1 times [2021-11-23 17:12:28,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:12:28,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1369606285] [2021-11-23 17:12:28,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:12:28,395 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:12:28,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b39bd-bf47-425c-9577-c192866ed375/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:12:28,400 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b39bd-bf47-425c-9577-c192866ed375/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:12:28,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b39bd-bf47-425c-9577-c192866ed375/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:12:28,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b39bd-bf47-425c-9577-c192866ed375/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:12:28,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b39bd-bf47-425c-9577-c192866ed375/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:12:28,733 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 17:12:28,742 INFO L158 Benchmark]: Toolchain (without parser) took 4189.10ms. Allocated memory was 56.6MB in the beginning and 94.4MB in the end (delta: 37.7MB). Free memory was 31.8MB in the beginning and 41.9MB in the end (delta: -10.1MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2021-11-23 17:12:28,743 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 56.6MB. Free memory was 37.6MB in the beginning and 37.6MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:12:28,745 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1400.79ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 31.6MB in the beginning and 32.7MB in the end (delta: -1.1MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2021-11-23 17:12:28,747 INFO L158 Benchmark]: Boogie Procedure Inliner took 177.66ms. Allocated memory is still 73.4MB. Free memory was 32.7MB in the beginning and 27.8MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:12:28,748 INFO L158 Benchmark]: Boogie Preprocessor took 153.13ms. Allocated memory is still 73.4MB. Free memory was 27.8MB in the beginning and 50.2MB in the end (delta: -22.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:12:28,758 INFO L158 Benchmark]: RCFGBuilder took 1894.35ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 50.2MB in the beginning and 57.0MB in the end (delta: -6.8MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2021-11-23 17:12:28,760 INFO L158 Benchmark]: TraceAbstraction took 552.35ms. Allocated memory is still 94.4MB. Free memory was 57.0MB in the beginning and 41.9MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 17:12:28,767 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 56.6MB. Free memory was 37.6MB in the beginning and 37.6MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1400.79ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 31.6MB in the beginning and 32.7MB in the end (delta: -1.1MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 177.66ms. Allocated memory is still 73.4MB. Free memory was 32.7MB in the beginning and 27.8MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 153.13ms. Allocated memory is still 73.4MB. Free memory was 27.8MB in the beginning and 50.2MB in the end (delta: -22.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1894.35ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 50.2MB in the beginning and 57.0MB in the end (delta: -6.8MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. * TraceAbstraction took 552.35ms. Allocated memory is still 94.4MB. Free memory was 57.0MB in the beginning and 41.9MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. 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 17:12:28,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b39bd-bf47-425c-9577-c192866ed375/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