./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/elevator_spec13_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/elevator_spec13_product22.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f89a8ce65f650dd979d04d2db9dc53ba483e2a2b64be3f70ae15b036e4b11b5a --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:03:53,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:03:53,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:03:53,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:03:53,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:03:53,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:03:53,795 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:03:53,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:03:53,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:03:53,804 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:03:53,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:03:53,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:03:53,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:03:53,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:03:53,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:03:53,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:03:53,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:03:53,813 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:03:53,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:03:53,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:03:53,820 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:03:53,821 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:03:53,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:03:53,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:03:53,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:03:53,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:03:53,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:03:53,828 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:03:53,828 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:03:53,828 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:03:53,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:03:53,829 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:03:53,830 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:03:53,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:03:53,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:03:53,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:03:53,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:03:53,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:03:53,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:03:53,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:03:53,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:03:53,834 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 11:03:53,846 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:03:53,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:03:53,847 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:03:53,847 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:03:53,848 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:03:53,848 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:03:53,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:03:53,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:03:53,848 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:03:53,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:03:53,849 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:03:53,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 11:03:53,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:03:53,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:03:53,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:03:53,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:03:53,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:03:53,850 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:03:53,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:03:53,850 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:03:53,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:03:53,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:03:53,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:03:53,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:03:53,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:03:53,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:03:53,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:03:53,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:03:53,852 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 11:03:53,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 11:03:53,852 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:03:53,852 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:03:53,852 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:03:53,852 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:03:53,853 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f89a8ce65f650dd979d04d2db9dc53ba483e2a2b64be3f70ae15b036e4b11b5a [2021-12-15 11:03:53,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:03:54,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:03:54,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:03:54,014 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:03:54,014 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:03:54,015 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec13_product22.cil.c [2021-12-15 11:03:54,065 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b1730acc/262e747ce7844259b369e427f63e2238/FLAGfdf3169f6 [2021-12-15 11:03:54,511 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:03:54,512 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec13_product22.cil.c [2021-12-15 11:03:54,533 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b1730acc/262e747ce7844259b369e427f63e2238/FLAGfdf3169f6 [2021-12-15 11:03:54,547 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b1730acc/262e747ce7844259b369e427f63e2238 [2021-12-15 11:03:54,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:03:54,550 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:03:54,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:03:54,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:03:54,555 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:03:54,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:03:54" (1/1) ... [2021-12-15 11:03:54,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7600b73e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:03:54, skipping insertion in model container [2021-12-15 11:03:54,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:03:54" (1/1) ... [2021-12-15 11:03:54,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:03:54,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:03:54,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec13_product22.cil.c[1811,1824] [2021-12-15 11:03:54,990 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:03:55,004 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:03:55,018 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec13_product22.cil.c[1811,1824] [2021-12-15 11:03:55,099 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:03:55,135 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:03:55,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:03:55 WrapperNode [2021-12-15 11:03:55,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:03:55,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:03:55,136 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:03:55,136 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:03:55,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:03:55" (1/1) ... [2021-12-15 11:03:55,171 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:03:55" (1/1) ... [2021-12-15 11:03:55,218 INFO L137 Inliner]: procedures = 92, calls = 344, calls flagged for inlining = 28, calls inlined = 24, statements flattened = 839 [2021-12-15 11:03:55,218 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:03:55,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:03:55,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:03:55,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:03:55,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:03:55" (1/1) ... [2021-12-15 11:03:55,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:03:55" (1/1) ... [2021-12-15 11:03:55,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:03:55" (1/1) ... [2021-12-15 11:03:55,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:03:55" (1/1) ... [2021-12-15 11:03:55,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:03:55" (1/1) ... [2021-12-15 11:03:55,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:03:55" (1/1) ... [2021-12-15 11:03:55,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:03:55" (1/1) ... [2021-12-15 11:03:55,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:03:55,260 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:03:55,260 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:03:55,260 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:03:55,261 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:03:55" (1/1) ... [2021-12-15 11:03:55,266 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:03:55,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:03:55,316 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 11:03:55,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 11:03:55,347 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2021-12-15 11:03:55,347 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2021-12-15 11:03:55,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:03:55,347 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2021-12-15 11:03:55,348 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2021-12-15 11:03:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2021-12-15 11:03:55,348 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2021-12-15 11:03:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2021-12-15 11:03:55,348 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2021-12-15 11:03:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2021-12-15 11:03:55,348 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2021-12-15 11:03:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2021-12-15 11:03:55,349 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2021-12-15 11:03:55,349 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2021-12-15 11:03:55,349 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2021-12-15 11:03:55,349 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2021-12-15 11:03:55,349 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2021-12-15 11:03:55,349 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-15 11:03:55,349 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-15 11:03:55,350 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-15 11:03:55,350 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-15 11:03:55,350 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-12-15 11:03:55,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-12-15 11:03:55,350 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2021-12-15 11:03:55,350 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2021-12-15 11:03:55,350 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2021-12-15 11:03:55,351 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2021-12-15 11:03:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2021-12-15 11:03:55,351 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2021-12-15 11:03:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2021-12-15 11:03:55,351 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2021-12-15 11:03:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2021-12-15 11:03:55,351 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2021-12-15 11:03:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2021-12-15 11:03:55,352 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2021-12-15 11:03:55,352 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2021-12-15 11:03:55,352 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2021-12-15 11:03:55,352 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2021-12-15 11:03:55,352 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2021-12-15 11:03:55,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 11:03:55,352 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2021-12-15 11:03:55,353 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2021-12-15 11:03:55,353 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2021-12-15 11:03:55,353 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2021-12-15 11:03:55,353 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2021-12-15 11:03:55,353 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2021-12-15 11:03:55,353 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2021-12-15 11:03:55,353 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2021-12-15 11:03:55,353 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__twothirdsfull [2021-12-15 11:03:55,354 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__twothirdsfull [2021-12-15 11:03:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2021-12-15 11:03:55,354 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2021-12-15 11:03:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:03:55,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:03:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2021-12-15 11:03:55,354 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2021-12-15 11:03:55,450 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:03:55,451 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:03:56,180 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:03:56,187 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:03:56,187 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-15 11:03:56,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:03:56 BoogieIcfgContainer [2021-12-15 11:03:56,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:03:56,190 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:03:56,191 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:03:56,195 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:03:56,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:03:54" (1/3) ... [2021-12-15 11:03:56,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c3e31a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:03:56, skipping insertion in model container [2021-12-15 11:03:56,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:03:55" (2/3) ... [2021-12-15 11:03:56,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c3e31a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:03:56, skipping insertion in model container [2021-12-15 11:03:56,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:03:56" (3/3) ... [2021-12-15 11:03:56,197 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec13_product22.cil.c [2021-12-15 11:03:56,201 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:03:56,201 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:03:56,231 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:03:56,235 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=PETRI_NET, 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 [2021-12-15 11:03:56,236 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:03:56,254 INFO L276 IsEmpty]: Start isEmpty. Operand has 600 states, 470 states have (on average 1.6893617021276597) internal successors, (794), 490 states have internal predecessors, (794), 102 states have call successors, (102), 26 states have call predecessors, (102), 26 states have return successors, (102), 98 states have call predecessors, (102), 102 states have call successors, (102) [2021-12-15 11:03:56,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-12-15 11:03:56,269 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:03:56,270 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 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] [2021-12-15 11:03:56,270 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:03:56,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:03:56,274 INFO L85 PathProgramCache]: Analyzing trace with hash 498297979, now seen corresponding path program 1 times [2021-12-15 11:03:56,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 11:03:56,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86696993] [2021-12-15 11:03:56,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:03:56,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 11:03:56,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 11:03:56,332 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.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.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) [2021-12-15 11:03:56,336 INFO L158 Benchmark]: Toolchain (without parser) took 1785.19ms. Allocated memory was 102.8MB in the beginning and 134.2MB in the end (delta: 31.5MB). Free memory was 71.8MB in the beginning and 76.0MB in the end (delta: -4.2MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2021-12-15 11:03:56,337 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory was 59.9MB in the beginning and 59.9MB in the end (delta: 47.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:03:56,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 583.08ms. Allocated memory is still 102.8MB. Free memory was 71.6MB in the beginning and 51.4MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-15 11:03:56,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.17ms. Allocated memory was 102.8MB in the beginning and 134.2MB in the end (delta: 31.5MB). Free memory was 51.4MB in the beginning and 105.9MB in the end (delta: -54.5MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2021-12-15 11:03:56,338 INFO L158 Benchmark]: Boogie Preprocessor took 40.23ms. Allocated memory is still 134.2MB. Free memory was 105.9MB in the beginning and 100.9MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:03:56,339 INFO L158 Benchmark]: RCFGBuilder took 929.92ms. Allocated memory is still 134.2MB. Free memory was 100.9MB in the beginning and 89.9MB in the end (delta: 11.0MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. [2021-12-15 11:03:56,339 INFO L158 Benchmark]: TraceAbstraction took 144.63ms. Allocated memory is still 134.2MB. Free memory was 89.9MB in the beginning and 76.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 11:03:56,341 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory was 59.9MB in the beginning and 59.9MB in the end (delta: 47.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 583.08ms. Allocated memory is still 102.8MB. Free memory was 71.6MB in the beginning and 51.4MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.17ms. Allocated memory was 102.8MB in the beginning and 134.2MB in the end (delta: 31.5MB). Free memory was 51.4MB in the beginning and 105.9MB in the end (delta: -54.5MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.23ms. Allocated memory is still 134.2MB. Free memory was 105.9MB in the beginning and 100.9MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 929.92ms. Allocated memory is still 134.2MB. Free memory was 100.9MB in the beginning and 89.9MB in the end (delta: 11.0MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. * TraceAbstraction took 144.63ms. Allocated memory is still 134.2MB. Free memory was 89.9MB in the beginning and 76.3MB in the end (delta: 13.6MB). 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. [2021-12-15 11:03:56,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/elevator_spec13_product22.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f89a8ce65f650dd979d04d2db9dc53ba483e2a2b64be3f70ae15b036e4b11b5a --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:03:58,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:03:58,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:03:58,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:03:58,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:03:58,140 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:03:58,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:03:58,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:03:58,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:03:58,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:03:58,152 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:03:58,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:03:58,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:03:58,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:03:58,157 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:03:58,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:03:58,163 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:03:58,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:03:58,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:03:58,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:03:58,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:03:58,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:03:58,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:03:58,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:03:58,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:03:58,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:03:58,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:03:58,177 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:03:58,178 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:03:58,179 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:03:58,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:03:58,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:03:58,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:03:58,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:03:58,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:03:58,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:03:58,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:03:58,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:03:58,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:03:58,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:03:58,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:03:58,185 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 11:03:58,207 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:03:58,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:03:58,208 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:03:58,209 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:03:58,209 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:03:58,209 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:03:58,210 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:03:58,210 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:03:58,210 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:03:58,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:03:58,211 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:03:58,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:03:58,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:03:58,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:03:58,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:03:58,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:03:58,212 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 11:03:58,212 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 11:03:58,213 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 11:03:58,213 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:03:58,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:03:58,213 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:03:58,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:03:58,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:03:58,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:03:58,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:03:58,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:03:58,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:03:58,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:03:58,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:03:58,222 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 11:03:58,222 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 11:03:58,223 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:03:58,223 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:03:58,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:03:58,223 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:03:58,223 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 11:03:58,224 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f89a8ce65f650dd979d04d2db9dc53ba483e2a2b64be3f70ae15b036e4b11b5a [2021-12-15 11:03:58,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:03:58,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:03:58,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:03:58,531 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:03:58,532 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:03:58,533 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec13_product22.cil.c [2021-12-15 11:03:58,591 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff8ed5d19/7e5b5db2a22f494bb79806a6d5c117e3/FLAGd809d1670 [2021-12-15 11:03:59,026 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:03:59,026 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec13_product22.cil.c [2021-12-15 11:03:59,042 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff8ed5d19/7e5b5db2a22f494bb79806a6d5c117e3/FLAGd809d1670 [2021-12-15 11:03:59,052 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff8ed5d19/7e5b5db2a22f494bb79806a6d5c117e3 [2021-12-15 11:03:59,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:03:59,056 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:03:59,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:03:59,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:03:59,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:03:59,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:03:59" (1/1) ... [2021-12-15 11:03:59,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@743b2882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:03:59, skipping insertion in model container [2021-12-15 11:03:59,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:03:59" (1/1) ... [2021-12-15 11:03:59,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:03:59,128 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:03:59,229 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec13_product22.cil.c[1811,1824] [2021-12-15 11:03:59,463 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:03:59,476 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 11:03:59,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:03:59,495 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec13_product22.cil.c[1811,1824] [2021-12-15 11:03:59,575 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:03:59,578 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:03:59,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec13_product22.cil.c[1811,1824] [2021-12-15 11:03:59,643 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:03:59,660 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:03:59,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:03:59 WrapperNode [2021-12-15 11:03:59,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:03:59,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:03:59,662 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:03:59,662 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:03:59,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:03:59" (1/1) ... [2021-12-15 11:03:59,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:03:59" (1/1) ... [2021-12-15 11:03:59,727 INFO L137 Inliner]: procedures = 94, calls = 344, calls flagged for inlining = 28, calls inlined = 24, statements flattened = 787 [2021-12-15 11:03:59,728 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:03:59,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:03:59,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:03:59,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:03:59,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:03:59" (1/1) ... [2021-12-15 11:03:59,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:03:59" (1/1) ... [2021-12-15 11:03:59,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:03:59" (1/1) ... [2021-12-15 11:03:59,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:03:59" (1/1) ... [2021-12-15 11:03:59,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:03:59" (1/1) ... [2021-12-15 11:03:59,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:03:59" (1/1) ... [2021-12-15 11:03:59,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:03:59" (1/1) ... [2021-12-15 11:03:59,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:03:59,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:03:59,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:03:59,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:03:59,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:03:59" (1/1) ... [2021-12-15 11:03:59,778 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:03:59,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:03:59,796 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 11:03:59,857 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2021-12-15 11:03:59,857 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2021-12-15 11:03:59,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:03:59,857 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2021-12-15 11:03:59,857 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2021-12-15 11:03:59,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 11:03:59,860 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2021-12-15 11:03:59,860 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2021-12-15 11:03:59,860 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2021-12-15 11:03:59,860 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2021-12-15 11:03:59,860 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2021-12-15 11:03:59,860 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2021-12-15 11:03:59,860 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2021-12-15 11:03:59,860 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2021-12-15 11:03:59,861 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2021-12-15 11:03:59,861 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2021-12-15 11:03:59,861 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2021-12-15 11:03:59,861 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2021-12-15 11:03:59,861 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-15 11:03:59,861 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-15 11:03:59,861 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-15 11:03:59,861 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-15 11:03:59,861 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-12-15 11:03:59,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-12-15 11:03:59,862 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2021-12-15 11:03:59,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2021-12-15 11:03:59,862 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2021-12-15 11:03:59,862 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2021-12-15 11:03:59,862 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2021-12-15 11:03:59,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2021-12-15 11:03:59,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 11:03:59,862 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2021-12-15 11:03:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2021-12-15 11:03:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2021-12-15 11:03:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2021-12-15 11:03:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2021-12-15 11:03:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2021-12-15 11:03:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2021-12-15 11:03:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2021-12-15 11:03:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2021-12-15 11:03:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2021-12-15 11:03:59,864 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2021-12-15 11:03:59,864 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2021-12-15 11:03:59,864 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2021-12-15 11:03:59,864 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2021-12-15 11:03:59,864 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2021-12-15 11:03:59,864 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2021-12-15 11:03:59,864 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2021-12-15 11:03:59,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2021-12-15 11:03:59,864 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__twothirdsfull [2021-12-15 11:03:59,865 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__twothirdsfull [2021-12-15 11:03:59,865 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2021-12-15 11:03:59,865 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2021-12-15 11:03:59,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:03:59,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:03:59,865 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2021-12-15 11:03:59,865 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2021-12-15 11:03:59,992 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:03:59,994 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:04:00,894 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:04:00,923 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:04:00,924 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-15 11:04:00,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:04:00 BoogieIcfgContainer [2021-12-15 11:04:00,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:04:00,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:04:00,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:04:00,929 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:04:00,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:03:59" (1/3) ... [2021-12-15 11:04:00,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f7b1425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:04:00, skipping insertion in model container [2021-12-15 11:04:00,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:03:59" (2/3) ... [2021-12-15 11:04:00,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f7b1425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:04:00, skipping insertion in model container [2021-12-15 11:04:00,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:04:00" (3/3) ... [2021-12-15 11:04:00,931 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec13_product22.cil.c [2021-12-15 11:04:00,934 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:04:00,934 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:04:00,963 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:04:00,968 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=PETRI_NET, 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 [2021-12-15 11:04:00,968 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:04:00,993 INFO L276 IsEmpty]: Start isEmpty. Operand has 600 states, 470 states have (on average 1.6893617021276597) internal successors, (794), 490 states have internal predecessors, (794), 102 states have call successors, (102), 26 states have call predecessors, (102), 26 states have return successors, (102), 98 states have call predecessors, (102), 102 states have call successors, (102) [2021-12-15 11:04:01,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-12-15 11:04:01,017 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:04:01,017 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 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] [2021-12-15 11:04:01,018 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:04:01,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:04:01,021 INFO L85 PathProgramCache]: Analyzing trace with hash 498297979, now seen corresponding path program 1 times [2021-12-15 11:04:01,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 11:04:01,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1118949217] [2021-12-15 11:04:01,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:04:01,030 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 11:04:01,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 11:04:01,035 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 11:04:01,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 11:04:01,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 11:04:01,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 11:04:01,335 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) [2021-12-15 11:04:01,337 INFO L158 Benchmark]: Toolchain (without parser) took 2280.09ms. Allocated memory was 54.5MB in the beginning and 109.1MB in the end (delta: 54.5MB). Free memory was 30.8MB in the beginning and 65.2MB in the end (delta: -34.4MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2021-12-15 11:04:01,337 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 54.5MB. Free memory was 36.7MB in the beginning and 36.6MB in the end (delta: 52.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:04:01,338 INFO L158 Benchmark]: CACSL2BoogieTranslator took 603.97ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 30.7MB in the beginning and 46.6MB in the end (delta: -15.9MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2021-12-15 11:04:01,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.20ms. Allocated memory is still 71.3MB. Free memory was 46.4MB in the beginning and 41.5MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 11:04:01,338 INFO L158 Benchmark]: Boogie Preprocessor took 44.40ms. Allocated memory is still 71.3MB. Free memory was 41.5MB in the beginning and 36.1MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:04:01,339 INFO L158 Benchmark]: RCFGBuilder took 1152.46ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 36.1MB in the beginning and 80.1MB in the end (delta: -44.0MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2021-12-15 11:04:01,339 INFO L158 Benchmark]: TraceAbstraction took 409.15ms. Allocated memory is still 109.1MB. Free memory was 80.1MB in the beginning and 65.2MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 11:04:01,341 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 54.5MB. Free memory was 36.7MB in the beginning and 36.6MB in the end (delta: 52.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 603.97ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 30.7MB in the beginning and 46.6MB in the end (delta: -15.9MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.20ms. Allocated memory is still 71.3MB. Free memory was 46.4MB in the beginning and 41.5MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.40ms. Allocated memory is still 71.3MB. Free memory was 41.5MB in the beginning and 36.1MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1152.46ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 36.1MB in the beginning and 80.1MB in the end (delta: -44.0MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * TraceAbstraction took 409.15ms. Allocated memory is still 109.1MB. Free memory was 80.1MB in the beginning and 65.2MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. 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. [2021-12-15 11:04:01,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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