./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/elevator_spec3_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_spec3_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 10f09c8c5639b403d441157c6cb90f176690981c36f4af5417d0103735cbe364 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:04:48,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:04:48,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:04:48,494 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:04:48,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:04:48,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:04:48,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:04:48,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:04:48,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:04:48,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:04:48,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:04:48,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:04:48,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:04:48,511 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:04:48,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:04:48,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:04:48,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:04:48,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:04:48,519 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:04:48,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:04:48,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:04:48,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:04:48,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:04:48,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:04:48,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:04:48,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:04:48,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:04:48,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:04:48,535 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:04:48,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:04:48,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:04:48,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:04:48,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:04:48,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:04:48,538 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:04:48,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:04:48,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:04:48,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:04:48,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:04:48,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:04:48,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:04:48,542 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 11:04:48,570 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:04:48,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:04:48,571 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:04:48,571 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:04:48,572 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:04:48,572 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:04:48,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:04:48,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:04:48,573 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:04:48,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:04:48,573 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:04:48,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 11:04:48,574 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:04:48,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:04:48,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:04:48,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:04:48,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:04:48,575 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:04:48,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:04:48,575 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:04:48,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:04:48,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:04:48,575 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:04:48,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:04:48,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:04:48,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:04:48,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:04:48,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:04:48,577 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 11:04:48,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 11:04:48,578 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:04:48,578 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:04:48,578 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:04:48,578 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:04:48,578 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10f09c8c5639b403d441157c6cb90f176690981c36f4af5417d0103735cbe364 [2021-12-15 11:04:48,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:04:48,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:04:48,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:04:48,770 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:04:48,771 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:04:48,771 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec3_product22.cil.c [2021-12-15 11:04:48,825 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f08b6aa9/83cfd4982d0645d0834458f4ade1b546/FLAG96d63693a [2021-12-15 11:04:49,207 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:04:49,208 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec3_product22.cil.c [2021-12-15 11:04:49,220 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f08b6aa9/83cfd4982d0645d0834458f4ade1b546/FLAG96d63693a [2021-12-15 11:04:49,561 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f08b6aa9/83cfd4982d0645d0834458f4ade1b546 [2021-12-15 11:04:49,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:04:49,564 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:04:49,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:04:49,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:04:49,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:04:49,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:04:49" (1/1) ... [2021-12-15 11:04:49,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72472fde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:04:49, skipping insertion in model container [2021-12-15 11:04:49,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:04:49" (1/1) ... [2021-12-15 11:04:49,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:04:49,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:04:49,777 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_spec3_product22.cil.c[3205,3218] [2021-12-15 11:04:49,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:04:49,980 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:04:49,990 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_spec3_product22.cil.c[3205,3218] [2021-12-15 11:04:50,079 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:04:50,098 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:04:50,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:04:50 WrapperNode [2021-12-15 11:04:50,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:04:50,099 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:04:50,099 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:04:50,100 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:04:50,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:04:50" (1/1) ... [2021-12-15 11:04:50,127 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:04:50" (1/1) ... [2021-12-15 11:04:50,208 INFO L137 Inliner]: procedures = 92, calls = 351, calls flagged for inlining = 26, calls inlined = 22, statements flattened = 905 [2021-12-15 11:04:50,208 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:04:50,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:04:50,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:04:50,209 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:04:50,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:04:50" (1/1) ... [2021-12-15 11:04:50,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:04:50" (1/1) ... [2021-12-15 11:04:50,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:04:50" (1/1) ... [2021-12-15 11:04:50,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:04:50" (1/1) ... [2021-12-15 11:04:50,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:04:50" (1/1) ... [2021-12-15 11:04:50,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:04:50" (1/1) ... [2021-12-15 11:04:50,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:04:50" (1/1) ... [2021-12-15 11:04:50,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:04:50,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:04:50,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:04:50,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:04:50,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:04:50" (1/1) ... [2021-12-15 11:04:50,324 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:04:50,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:04:50,342 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 11:04:50,346 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 11:04:50,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:04:50,373 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2021-12-15 11:04:50,373 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2021-12-15 11:04:50,373 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2021-12-15 11:04:50,373 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2021-12-15 11:04:50,373 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2021-12-15 11:04:50,373 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2021-12-15 11:04:50,374 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2021-12-15 11:04:50,374 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2021-12-15 11:04:50,374 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2021-12-15 11:04:50,374 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2021-12-15 11:04:50,374 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2021-12-15 11:04:50,374 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2021-12-15 11:04:50,374 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-15 11:04:50,374 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-15 11:04:50,375 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-15 11:04:50,375 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-15 11:04:50,375 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-12-15 11:04:50,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-12-15 11:04:50,375 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2021-12-15 11:04:50,375 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2021-12-15 11:04:50,375 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2021-12-15 11:04:50,375 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2021-12-15 11:04:50,376 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2021-12-15 11:04:50,376 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2021-12-15 11:04:50,376 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2021-12-15 11:04:50,376 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2021-12-15 11:04:50,376 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2021-12-15 11:04:50,376 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2021-12-15 11:04:50,376 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2021-12-15 11:04:50,376 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2021-12-15 11:04:50,377 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2021-12-15 11:04:50,377 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2021-12-15 11:04:50,377 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2021-12-15 11:04:50,377 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2021-12-15 11:04:50,377 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2021-12-15 11:04:50,377 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2021-12-15 11:04:50,377 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2021-12-15 11:04:50,378 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2021-12-15 11:04:50,378 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2021-12-15 11:04:50,378 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2021-12-15 11:04:50,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 11:04:50,378 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2021-12-15 11:04:50,378 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2021-12-15 11:04:50,378 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2021-12-15 11:04:50,378 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2021-12-15 11:04:50,379 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2021-12-15 11:04:50,379 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2021-12-15 11:04:50,379 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2021-12-15 11:04:50,379 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2021-12-15 11:04:50,379 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__twothirdsfull [2021-12-15 11:04:50,379 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__twothirdsfull [2021-12-15 11:04:50,379 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2021-12-15 11:04:50,380 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2021-12-15 11:04:50,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:04:50,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:04:50,380 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2021-12-15 11:04:50,380 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2021-12-15 11:04:50,495 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:04:50,498 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:04:51,259 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:04:51,272 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:04:51,272 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:04:51,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:04:51 BoogieIcfgContainer [2021-12-15 11:04:51,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:04:51,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:04:51,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:04:51,279 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:04:51,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:04:49" (1/3) ... [2021-12-15 11:04:51,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8861f60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:04:51, skipping insertion in model container [2021-12-15 11:04:51,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:04:50" (2/3) ... [2021-12-15 11:04:51,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8861f60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:04:51, skipping insertion in model container [2021-12-15 11:04:51,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:04:51" (3/3) ... [2021-12-15 11:04:51,282 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product22.cil.c [2021-12-15 11:04:51,286 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:04:51,286 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:04:51,329 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:04:51,334 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 11:04:51,334 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:04:51,361 INFO L276 IsEmpty]: Start isEmpty. Operand has 596 states, 459 states have (on average 1.673202614379085) internal successors, (768), 479 states have internal predecessors, (768), 108 states have call successors, (108), 27 states have call predecessors, (108), 27 states have return successors, (108), 104 states have call predecessors, (108), 108 states have call successors, (108) [2021-12-15 11:04:51,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-12-15 11:04:51,370 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:04:51,370 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-15 11:04:51,371 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:04:51,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:04:51,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1321862527, now seen corresponding path program 1 times [2021-12-15 11:04:51,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 11:04:51,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102530784] [2021-12-15 11:04:51,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:04:51,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 11:04:51,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 11:04:51,431 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 11:04:51,434 INFO L158 Benchmark]: Toolchain (without parser) took 1869.88ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 79.9MB in the beginning and 85.4MB in the end (delta: -5.5MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2021-12-15 11:04:51,436 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory was 66.9MB in the beginning and 66.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:04:51,436 INFO L158 Benchmark]: CACSL2BoogieTranslator took 534.02ms. Allocated memory is still 109.1MB. Free memory was 79.8MB in the beginning and 58.8MB in the end (delta: 21.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-15 11:04:51,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.63ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 58.8MB in the beginning and 112.9MB in the end (delta: -54.1MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-12-15 11:04:51,437 INFO L158 Benchmark]: Boogie Preprocessor took 92.96ms. Allocated memory is still 140.5MB. Free memory was 112.9MB in the beginning and 107.5MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 11:04:51,438 INFO L158 Benchmark]: RCFGBuilder took 963.44ms. Allocated memory is still 140.5MB. Free memory was 107.5MB in the beginning and 99.2MB in the end (delta: 8.4MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. [2021-12-15 11:04:51,438 INFO L158 Benchmark]: TraceAbstraction took 156.08ms. Allocated memory is still 140.5MB. Free memory was 99.2MB in the beginning and 85.4MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 11:04:51,440 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory was 66.9MB in the beginning and 66.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 534.02ms. Allocated memory is still 109.1MB. Free memory was 79.8MB in the beginning and 58.8MB in the end (delta: 21.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.63ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 58.8MB in the beginning and 112.9MB in the end (delta: -54.1MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.96ms. Allocated memory is still 140.5MB. Free memory was 112.9MB in the beginning and 107.5MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 963.44ms. Allocated memory is still 140.5MB. Free memory was 107.5MB in the beginning and 99.2MB in the end (delta: 8.4MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. * TraceAbstraction took 156.08ms. Allocated memory is still 140.5MB. Free memory was 99.2MB in the beginning and 85.4MB in the end (delta: 13.7MB). 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 11:04:51,470 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_spec3_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 10f09c8c5639b403d441157c6cb90f176690981c36f4af5417d0103735cbe364 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:04:53,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:04:53,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:04:53,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:04:53,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:04:53,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:04:53,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:04:53,116 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:04:53,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:04:53,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:04:53,124 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:04:53,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:04:53,128 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:04:53,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:04:53,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:04:53,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:04:53,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:04:53,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:04:53,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:04:53,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:04:53,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:04:53,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:04:53,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:04:53,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:04:53,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:04:53,153 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:04:53,153 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:04:53,154 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:04:53,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:04:53,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:04:53,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:04:53,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:04:53,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:04:53,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:04:53,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:04:53,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:04:53,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:04:53,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:04:53,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:04:53,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:04:53,162 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:04:53,165 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 11:04:53,192 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:04:53,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:04:53,193 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:04:53,193 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:04:53,193 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:04:53,194 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:04:53,194 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:04:53,195 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:04:53,195 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:04:53,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:04:53,196 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:04:53,196 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:04:53,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:04:53,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:04:53,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:04:53,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:04:53,196 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 11:04:53,197 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 11:04:53,197 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 11:04:53,197 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:04:53,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:04:53,197 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:04:53,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:04:53,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:04:53,198 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:04:53,198 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:04:53,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:04:53,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:04:53,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:04:53,198 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:04:53,198 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 11:04:53,199 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 11:04:53,199 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:04:53,199 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:04:53,199 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:04:53,199 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:04:53,199 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 11:04:53,200 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10f09c8c5639b403d441157c6cb90f176690981c36f4af5417d0103735cbe364 [2021-12-15 11:04:53,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:04:53,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:04:53,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:04:53,485 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:04:53,485 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:04:53,487 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec3_product22.cil.c [2021-12-15 11:04:53,540 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/401084b81/4d891ddd0e104ff6ab0ba4df59f15ad0/FLAGf5ea1340e [2021-12-15 11:04:54,021 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:04:54,022 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec3_product22.cil.c [2021-12-15 11:04:54,039 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/401084b81/4d891ddd0e104ff6ab0ba4df59f15ad0/FLAGf5ea1340e [2021-12-15 11:04:54,048 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/401084b81/4d891ddd0e104ff6ab0ba4df59f15ad0 [2021-12-15 11:04:54,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:04:54,051 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:04:54,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:04:54,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:04:54,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:04:54,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:04:54" (1/1) ... [2021-12-15 11:04:54,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@344a565a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:04:54, skipping insertion in model container [2021-12-15 11:04:54,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:04:54" (1/1) ... [2021-12-15 11:04:54,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:04:54,120 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:04:54,288 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_spec3_product22.cil.c[3205,3218] [2021-12-15 11:04:54,491 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:04:54,505 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 11:04:54,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:04:54,524 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_spec3_product22.cil.c[3205,3218] [2021-12-15 11:04:54,605 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:04:54,612 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:04:54,626 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_spec3_product22.cil.c[3205,3218] [2021-12-15 11:04:54,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:04:54,692 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:04:54,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:04:54 WrapperNode [2021-12-15 11:04:54,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:04:54,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:04:54,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:04:54,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:04:54,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:04:54" (1/1) ... [2021-12-15 11:04:54,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:04:54" (1/1) ... [2021-12-15 11:04:54,783 INFO L137 Inliner]: procedures = 94, calls = 351, calls flagged for inlining = 26, calls inlined = 22, statements flattened = 847 [2021-12-15 11:04:54,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:04:54,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:04:54,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:04:54,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:04:54,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:04:54" (1/1) ... [2021-12-15 11:04:54,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:04:54" (1/1) ... [2021-12-15 11:04:54,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:04:54" (1/1) ... [2021-12-15 11:04:54,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:04:54" (1/1) ... [2021-12-15 11:04:54,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:04:54" (1/1) ... [2021-12-15 11:04:54,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:04:54" (1/1) ... [2021-12-15 11:04:54,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:04:54" (1/1) ... [2021-12-15 11:04:54,853 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:04:54,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:04:54,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:04:54,855 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:04:54,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:04:54" (1/1) ... [2021-12-15 11:04:54,860 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:04:54,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:04:54,880 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 11:04:54,912 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 11:04:54,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:04:54,933 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2021-12-15 11:04:54,933 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2021-12-15 11:04:54,933 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2021-12-15 11:04:54,933 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2021-12-15 11:04:54,933 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2021-12-15 11:04:54,933 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2021-12-15 11:04:54,934 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2021-12-15 11:04:54,934 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2021-12-15 11:04:54,934 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2021-12-15 11:04:54,934 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2021-12-15 11:04:54,934 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2021-12-15 11:04:54,934 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2021-12-15 11:04:54,934 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-15 11:04:54,934 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-15 11:04:54,934 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-15 11:04:54,935 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-15 11:04:54,935 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-12-15 11:04:54,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-12-15 11:04:54,935 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2021-12-15 11:04:54,935 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2021-12-15 11:04:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2021-12-15 11:04:54,936 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2021-12-15 11:04:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2021-12-15 11:04:54,936 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2021-12-15 11:04:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 11:04:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2021-12-15 11:04:54,937 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2021-12-15 11:04:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2021-12-15 11:04:54,937 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2021-12-15 11:04:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2021-12-15 11:04:54,937 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2021-12-15 11:04:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2021-12-15 11:04:54,937 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2021-12-15 11:04:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2021-12-15 11:04:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2021-12-15 11:04:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2021-12-15 11:04:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2021-12-15 11:04:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2021-12-15 11:04:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2021-12-15 11:04:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2021-12-15 11:04:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2021-12-15 11:04:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2021-12-15 11:04:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2021-12-15 11:04:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2021-12-15 11:04:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2021-12-15 11:04:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2021-12-15 11:04:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2021-12-15 11:04:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2021-12-15 11:04:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2021-12-15 11:04:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__twothirdsfull [2021-12-15 11:04:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__twothirdsfull [2021-12-15 11:04:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2021-12-15 11:04:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2021-12-15 11:04:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:04:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:04:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2021-12-15 11:04:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2021-12-15 11:04:55,062 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:04:55,075 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:04:55,967 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:04:55,980 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:04:55,980 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:04:55,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:04:55 BoogieIcfgContainer [2021-12-15 11:04:55,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:04:55,984 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:04:55,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:04:55,986 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:04:55,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:04:54" (1/3) ... [2021-12-15 11:04:55,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e18610a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:04:55, skipping insertion in model container [2021-12-15 11:04:55,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:04:54" (2/3) ... [2021-12-15 11:04:55,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e18610a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:04:55, skipping insertion in model container [2021-12-15 11:04:55,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:04:55" (3/3) ... [2021-12-15 11:04:55,989 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product22.cil.c [2021-12-15 11:04:55,992 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:04:55,992 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:04:56,033 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:04:56,039 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 11:04:56,039 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:04:56,077 INFO L276 IsEmpty]: Start isEmpty. Operand has 596 states, 459 states have (on average 1.673202614379085) internal successors, (768), 479 states have internal predecessors, (768), 108 states have call successors, (108), 27 states have call predecessors, (108), 27 states have return successors, (108), 104 states have call predecessors, (108), 108 states have call successors, (108) [2021-12-15 11:04:56,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-12-15 11:04:56,092 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:04:56,093 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-15 11:04:56,094 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:04:56,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:04:56,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1321862527, now seen corresponding path program 1 times [2021-12-15 11:04:56,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 11:04:56,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [695107750] [2021-12-15 11:04:56,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:04:56,109 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 11:04:56,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 11:04:56,111 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 11:04:56,116 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 11:04:56,194 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 11:04:56,391 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 11:04:56,391 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 11:04:56,397 INFO L158 Benchmark]: Toolchain (without parser) took 2344.57ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 49.4MB in the beginning and 45.8MB in the end (delta: 3.6MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2021-12-15 11:04:56,397 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 69.2MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:04:56,398 INFO L158 Benchmark]: CACSL2BoogieTranslator took 642.03ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 49.2MB in the beginning and 42.9MB in the end (delta: 6.4MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2021-12-15 11:04:56,399 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.87ms. Allocated memory is still 88.1MB. Free memory was 42.6MB in the beginning and 67.4MB in the end (delta: -24.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 11:04:56,399 INFO L158 Benchmark]: Boogie Preprocessor took 68.78ms. Allocated memory is still 88.1MB. Free memory was 67.4MB in the beginning and 62.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:04:56,400 INFO L158 Benchmark]: RCFGBuilder took 1127.44ms. Allocated memory is still 88.1MB. Free memory was 62.2MB in the beginning and 60.0MB in the end (delta: 2.2MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. [2021-12-15 11:04:56,403 INFO L158 Benchmark]: TraceAbstraction took 410.90ms. Allocated memory is still 88.1MB. Free memory was 60.0MB in the beginning and 45.8MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 11:04:56,406 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 69.2MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 642.03ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 49.2MB in the beginning and 42.9MB in the end (delta: 6.4MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.87ms. Allocated memory is still 88.1MB. Free memory was 42.6MB in the beginning and 67.4MB in the end (delta: -24.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.78ms. Allocated memory is still 88.1MB. Free memory was 67.4MB in the beginning and 62.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1127.44ms. Allocated memory is still 88.1MB. Free memory was 62.2MB in the beginning and 60.0MB in the end (delta: 2.2MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. * TraceAbstraction took 410.90ms. Allocated memory is still 88.1MB. Free memory was 60.0MB in the beginning and 45.8MB in the end (delta: 14.2MB). 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 11:04:56,437 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