./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/elevator_spec9_product27.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_spec9_product27.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 11bb1f05736dca729c358ce9b340534ff3d0ef3cd2b5d7b8f4dea43dade9112f --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:05:00,705 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:05:00,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:05:00,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:05:00,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:05:00,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:05:00,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:05:00,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:05:00,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:05:00,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:05:00,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:05:00,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:05:00,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:05:00,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:05:00,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:05:00,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:05:00,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:05:00,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:05:00,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:05:00,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:05:00,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:05:00,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:05:00,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:05:00,797 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:05:00,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:05:00,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:05:00,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:05:00,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:05:00,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:05:00,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:05:00,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:05:00,806 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:05:00,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:05:00,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:05:00,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:05:00,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:05:00,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:05:00,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:05:00,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:05:00,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:05:00,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:05:00,813 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 11:05:00,841 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:05:00,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:05:00,842 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:05:00,842 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:05:00,843 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:05:00,844 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:05:00,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:05:00,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:05:00,844 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:05:00,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:05:00,845 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:05:00,846 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 11:05:00,846 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:05:00,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:05:00,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:05:00,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:05:00,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:05:00,847 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:05:00,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:05:00,847 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:05:00,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:05:00,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:05:00,848 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:05:00,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:05:00,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:05:00,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:05:00,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:05:00,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:05:00,849 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 11:05:00,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 11:05:00,849 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:05:00,849 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:05:00,850 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:05:00,850 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:05:00,850 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11bb1f05736dca729c358ce9b340534ff3d0ef3cd2b5d7b8f4dea43dade9112f [2021-12-15 11:05:01,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:05:01,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:05:01,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:05:01,129 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:05:01,130 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:05:01,131 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec9_product27.cil.c [2021-12-15 11:05:01,192 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aa0e0e9d/d0ec95ddf909493f8a03fa9dc444db83/FLAG71619ebe1 [2021-12-15 11:05:01,777 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:05:01,783 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec9_product27.cil.c [2021-12-15 11:05:01,813 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aa0e0e9d/d0ec95ddf909493f8a03fa9dc444db83/FLAG71619ebe1 [2021-12-15 11:05:02,014 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aa0e0e9d/d0ec95ddf909493f8a03fa9dc444db83 [2021-12-15 11:05:02,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:05:02,017 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:05:02,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:05:02,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:05:02,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:05:02,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:05:02" (1/1) ... [2021-12-15 11:05:02,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d9bf1eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:02, skipping insertion in model container [2021-12-15 11:05:02,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:05:02" (1/1) ... [2021-12-15 11:05:02,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:05:02,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:05:02,525 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_spec9_product27.cil.c[66437,66450] [2021-12-15 11:05:02,547 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:02,560 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:05:02,671 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_spec9_product27.cil.c[66437,66450] [2021-12-15 11:05:02,686 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:02,715 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:05:02,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:02 WrapperNode [2021-12-15 11:05:02,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:05:02,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:05:02,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:05:02,717 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:05:02,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:02" (1/1) ... [2021-12-15 11:05:02,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:02" (1/1) ... [2021-12-15 11:05:02,829 INFO L137 Inliner]: procedures = 95, calls = 339, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 1122 [2021-12-15 11:05:02,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:05:02,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:05:02,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:05:02,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:05:02,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:02" (1/1) ... [2021-12-15 11:05:02,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:02" (1/1) ... [2021-12-15 11:05:02,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:02" (1/1) ... [2021-12-15 11:05:02,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:02" (1/1) ... [2021-12-15 11:05:02,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:02" (1/1) ... [2021-12-15 11:05:02,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:02" (1/1) ... [2021-12-15 11:05:02,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:02" (1/1) ... [2021-12-15 11:05:02,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:05:02,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:05:02,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:05:02,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:05:02,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:02" (1/1) ... [2021-12-15 11:05:02,941 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:05:02,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:05:02,965 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 11:05:02,987 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 11:05:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:05:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2021-12-15 11:05:03,006 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2021-12-15 11:05:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2021-12-15 11:05:03,007 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2021-12-15 11:05:03,007 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2021-12-15 11:05:03,007 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2021-12-15 11:05:03,007 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2021-12-15 11:05:03,007 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2021-12-15 11:05:03,007 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2021-12-15 11:05:03,008 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2021-12-15 11:05:03,008 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2021-12-15 11:05:03,008 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2021-12-15 11:05:03,008 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-15 11:05:03,008 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-15 11:05:03,008 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-15 11:05:03,008 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-15 11:05:03,009 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-12-15 11:05:03,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-12-15 11:05:03,009 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2021-12-15 11:05:03,009 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2021-12-15 11:05:03,009 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2021-12-15 11:05:03,009 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2021-12-15 11:05:03,009 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2021-12-15 11:05:03,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2021-12-15 11:05:03,010 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2021-12-15 11:05:03,010 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2021-12-15 11:05:03,010 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2021-12-15 11:05:03,010 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2021-12-15 11:05:03,010 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2021-12-15 11:05:03,010 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2021-12-15 11:05:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2021-12-15 11:05:03,011 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2021-12-15 11:05:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2021-12-15 11:05:03,011 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2021-12-15 11:05:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2021-12-15 11:05:03,012 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2021-12-15 11:05:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2021-12-15 11:05:03,012 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2021-12-15 11:05:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2021-12-15 11:05:03,012 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2021-12-15 11:05:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 11:05:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2021-12-15 11:05:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2021-12-15 11:05:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2021-12-15 11:05:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2021-12-15 11:05:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2021-12-15 11:05:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2021-12-15 11:05:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:05:03,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:05:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2021-12-15 11:05:03,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2021-12-15 11:05:03,138 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:05:03,143 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:05:04,024 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:05:04,040 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:05:04,041 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:05:04,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:05:04 BoogieIcfgContainer [2021-12-15 11:05:04,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:05:04,046 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:05:04,046 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:05:04,049 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:05:04,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:05:02" (1/3) ... [2021-12-15 11:05:04,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f3d4d90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:05:04, skipping insertion in model container [2021-12-15 11:05:04,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:02" (2/3) ... [2021-12-15 11:05:04,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f3d4d90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:05:04, skipping insertion in model container [2021-12-15 11:05:04,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:05:04" (3/3) ... [2021-12-15 11:05:04,052 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product27.cil.c [2021-12-15 11:05:04,059 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:05:04,059 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:05:04,114 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:05:04,120 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 11:05:04,120 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:05:04,155 INFO L276 IsEmpty]: Start isEmpty. Operand has 560 states, 441 states have (on average 1.6938775510204083) internal successors, (747), 462 states have internal predecessors, (747), 93 states have call successors, (93), 24 states have call predecessors, (93), 24 states have return successors, (93), 87 states have call predecessors, (93), 93 states have call successors, (93) [2021-12-15 11:05:04,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-12-15 11:05:04,185 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:05:04,185 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 11:05:04,186 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:05:04,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:05:04,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1552478491, now seen corresponding path program 1 times [2021-12-15 11:05:04,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 11:05:04,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432902395] [2021-12-15 11:05:04,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:05:04,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 11:05:04,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 11:05:04,247 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 11:05:04,258 INFO L158 Benchmark]: Toolchain (without parser) took 2238.75ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 56.9MB in the beginning and 53.5MB in the end (delta: 3.3MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2021-12-15 11:05:04,259 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 90.2MB. Free memory was 58.7MB in the beginning and 58.7MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:05:04,260 INFO L158 Benchmark]: CACSL2BoogieTranslator took 697.94ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 56.6MB in the beginning and 71.1MB in the end (delta: -14.5MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2021-12-15 11:05:04,260 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.62ms. Allocated memory is still 109.1MB. Free memory was 70.6MB in the beginning and 65.3MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 11:05:04,261 INFO L158 Benchmark]: Boogie Preprocessor took 101.73ms. Allocated memory is still 109.1MB. Free memory was 65.3MB in the beginning and 60.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:05:04,261 INFO L158 Benchmark]: RCFGBuilder took 1111.97ms. Allocated memory is still 109.1MB. Free memory was 60.1MB in the beginning and 68.0MB in the end (delta: -7.9MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2021-12-15 11:05:04,263 INFO L158 Benchmark]: TraceAbstraction took 209.34ms. Allocated memory is still 109.1MB. Free memory was 67.4MB in the beginning and 53.5MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 11:05:04,267 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 90.2MB. Free memory was 58.7MB in the beginning and 58.7MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 697.94ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 56.6MB in the beginning and 71.1MB in the end (delta: -14.5MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.62ms. Allocated memory is still 109.1MB. Free memory was 70.6MB in the beginning and 65.3MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.73ms. Allocated memory is still 109.1MB. Free memory was 65.3MB in the beginning and 60.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1111.97ms. Allocated memory is still 109.1MB. Free memory was 60.1MB in the beginning and 68.0MB in the end (delta: -7.9MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. * TraceAbstraction took 209.34ms. Allocated memory is still 109.1MB. Free memory was 67.4MB in the beginning and 53.5MB in the end (delta: 13.9MB). 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 11:05:04,299 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_spec9_product27.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 11bb1f05736dca729c358ce9b340534ff3d0ef3cd2b5d7b8f4dea43dade9112f --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:05:06,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:05:06,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:05:06,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:05:06,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:05:06,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:05:06,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:05:06,276 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:05:06,279 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:05:06,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:05:06,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:05:06,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:05:06,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:05:06,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:05:06,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:05:06,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:05:06,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:05:06,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:05:06,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:05:06,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:05:06,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:05:06,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:05:06,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:05:06,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:05:06,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:05:06,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:05:06,316 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:05:06,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:05:06,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:05:06,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:05:06,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:05:06,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:05:06,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:05:06,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:05:06,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:05:06,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:05:06,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:05:06,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:05:06,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:05:06,325 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:05:06,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:05:06,327 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 11:05:06,369 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:05:06,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:05:06,371 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:05:06,371 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:05:06,372 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:05:06,372 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:05:06,373 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:05:06,373 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:05:06,373 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:05:06,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:05:06,374 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:05:06,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:05:06,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:05:06,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:05:06,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:05:06,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:05:06,376 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 11:05:06,376 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 11:05:06,376 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 11:05:06,376 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:05:06,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:05:06,376 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:05:06,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:05:06,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:05:06,377 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:05:06,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:05:06,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:05:06,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:05:06,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:05:06,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:05:06,378 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 11:05:06,379 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 11:05:06,379 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:05:06,379 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:05:06,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:05:06,379 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:05:06,380 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 11:05:06,380 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11bb1f05736dca729c358ce9b340534ff3d0ef3cd2b5d7b8f4dea43dade9112f [2021-12-15 11:05:06,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:05:06,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:05:06,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:05:06,742 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:05:06,742 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:05:06,744 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec9_product27.cil.c [2021-12-15 11:05:06,801 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2936d713/216c8c354ff74fbc8bf9c3c84997f551/FLAG4a782fb64 [2021-12-15 11:05:07,393 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:05:07,394 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec9_product27.cil.c [2021-12-15 11:05:07,416 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2936d713/216c8c354ff74fbc8bf9c3c84997f551/FLAG4a782fb64 [2021-12-15 11:05:07,626 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2936d713/216c8c354ff74fbc8bf9c3c84997f551 [2021-12-15 11:05:07,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:05:07,631 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:05:07,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:05:07,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:05:07,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:05:07,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:05:07" (1/1) ... [2021-12-15 11:05:07,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@218d8a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:07, skipping insertion in model container [2021-12-15 11:05:07,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:05:07" (1/1) ... [2021-12-15 11:05:07,645 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:05:07,701 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:05:08,168 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_spec9_product27.cil.c[66437,66450] [2021-12-15 11:05:08,186 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:08,200 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 11:05:08,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:05:08,353 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_spec9_product27.cil.c[66437,66450] [2021-12-15 11:05:08,357 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:08,364 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:05:08,445 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_spec9_product27.cil.c[66437,66450] [2021-12-15 11:05:08,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:08,490 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:05:08,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:08 WrapperNode [2021-12-15 11:05:08,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:05:08,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:05:08,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:05:08,492 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:05:08,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:08" (1/1) ... [2021-12-15 11:05:08,546 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:08" (1/1) ... [2021-12-15 11:05:08,600 INFO L137 Inliner]: procedures = 97, calls = 339, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 1064 [2021-12-15 11:05:08,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:05:08,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:05:08,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:05:08,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:05:08,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:08" (1/1) ... [2021-12-15 11:05:08,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:08" (1/1) ... [2021-12-15 11:05:08,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:08" (1/1) ... [2021-12-15 11:05:08,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:08" (1/1) ... [2021-12-15 11:05:08,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:08" (1/1) ... [2021-12-15 11:05:08,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:08" (1/1) ... [2021-12-15 11:05:08,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:08" (1/1) ... [2021-12-15 11:05:08,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:05:08,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:05:08,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:05:08,694 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:05:08,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:08" (1/1) ... [2021-12-15 11:05:08,701 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:05:08,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:05:08,725 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 11:05:08,729 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 11:05:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:05:08,759 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2021-12-15 11:05:08,759 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2021-12-15 11:05:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2021-12-15 11:05:08,760 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2021-12-15 11:05:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2021-12-15 11:05:08,760 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2021-12-15 11:05:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2021-12-15 11:05:08,760 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2021-12-15 11:05:08,760 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2021-12-15 11:05:08,761 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2021-12-15 11:05:08,761 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2021-12-15 11:05:08,761 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2021-12-15 11:05:08,761 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-15 11:05:08,761 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-15 11:05:08,761 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-15 11:05:08,761 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-15 11:05:08,762 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-12-15 11:05:08,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-12-15 11:05:08,762 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2021-12-15 11:05:08,762 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2021-12-15 11:05:08,762 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2021-12-15 11:05:08,762 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2021-12-15 11:05:08,762 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2021-12-15 11:05:08,762 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2021-12-15 11:05:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 11:05:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2021-12-15 11:05:08,763 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2021-12-15 11:05:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2021-12-15 11:05:08,764 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2021-12-15 11:05:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2021-12-15 11:05:08,764 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2021-12-15 11:05:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2021-12-15 11:05:08,764 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2021-12-15 11:05:08,765 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2021-12-15 11:05:08,765 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2021-12-15 11:05:08,765 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2021-12-15 11:05:08,765 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2021-12-15 11:05:08,765 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2021-12-15 11:05:08,765 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2021-12-15 11:05:08,766 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2021-12-15 11:05:08,766 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2021-12-15 11:05:08,766 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2021-12-15 11:05:08,766 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2021-12-15 11:05:08,766 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2021-12-15 11:05:08,767 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2021-12-15 11:05:08,767 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2021-12-15 11:05:08,768 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2021-12-15 11:05:08,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:05:08,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:05:08,769 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2021-12-15 11:05:08,769 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2021-12-15 11:05:08,978 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:05:08,980 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:05:09,887 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:05:09,898 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:05:09,898 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:05:09,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:05:09 BoogieIcfgContainer [2021-12-15 11:05:09,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:05:09,902 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:05:09,902 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:05:09,905 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:05:09,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:05:07" (1/3) ... [2021-12-15 11:05:09,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10a9ca6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:05:09, skipping insertion in model container [2021-12-15 11:05:09,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:08" (2/3) ... [2021-12-15 11:05:09,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10a9ca6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:05:09, skipping insertion in model container [2021-12-15 11:05:09,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:05:09" (3/3) ... [2021-12-15 11:05:09,907 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product27.cil.c [2021-12-15 11:05:09,912 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:05:09,912 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:05:09,955 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:05:09,961 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 11:05:09,961 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:05:09,986 INFO L276 IsEmpty]: Start isEmpty. Operand has 560 states, 441 states have (on average 1.6938775510204083) internal successors, (747), 462 states have internal predecessors, (747), 93 states have call successors, (93), 24 states have call predecessors, (93), 24 states have return successors, (93), 87 states have call predecessors, (93), 93 states have call successors, (93) [2021-12-15 11:05:10,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-12-15 11:05:10,016 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:05:10,017 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 11:05:10,018 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:05:10,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:05:10,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1552478491, now seen corresponding path program 1 times [2021-12-15 11:05:10,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 11:05:10,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1217426840] [2021-12-15 11:05:10,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:05:10,034 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 11:05:10,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 11:05:10,035 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 11:05:10,036 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 11:05:10,110 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 11:05:10,310 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 11:05:10,311 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 11:05:10,315 INFO L158 Benchmark]: Toolchain (without parser) took 2682.93ms. Allocated memory was 62.9MB in the beginning and 100.7MB in the end (delta: 37.7MB). Free memory was 41.2MB in the beginning and 53.4MB in the end (delta: -12.1MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2021-12-15 11:05:10,315 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 62.9MB. Free memory was 45.4MB in the beginning and 45.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:05:10,316 INFO L158 Benchmark]: CACSL2BoogieTranslator took 857.39ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 41.0MB in the beginning and 55.6MB in the end (delta: -14.6MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2021-12-15 11:05:10,317 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.47ms. Allocated memory is still 79.7MB. Free memory was 55.6MB in the beginning and 50.2MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 11:05:10,317 INFO L158 Benchmark]: Boogie Preprocessor took 83.68ms. Allocated memory is still 79.7MB. Free memory was 50.2MB in the beginning and 45.2MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:05:10,318 INFO L158 Benchmark]: RCFGBuilder took 1207.05ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 45.2MB in the beginning and 68.7MB in the end (delta: -23.5MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2021-12-15 11:05:10,318 INFO L158 Benchmark]: TraceAbstraction took 411.32ms. Allocated memory is still 100.7MB. Free memory was 68.7MB in the beginning and 53.4MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 11:05:10,321 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 62.9MB. Free memory was 45.4MB in the beginning and 45.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 857.39ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 41.0MB in the beginning and 55.6MB in the end (delta: -14.6MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 116.47ms. Allocated memory is still 79.7MB. Free memory was 55.6MB in the beginning and 50.2MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.68ms. Allocated memory is still 79.7MB. Free memory was 50.2MB in the beginning and 45.2MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1207.05ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 45.2MB in the beginning and 68.7MB in the end (delta: -23.5MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * TraceAbstraction took 411.32ms. Allocated memory is still 100.7MB. Free memory was 68.7MB in the beginning and 53.4MB in the end (delta: 15.4MB). 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 11:05:10,358 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