./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/elevator_spec9_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_product09.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 --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 cc5b9f71a5434758faa1f6f3febe6f12c158e9feff610b938ef9d4658acd21ff --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 22:58:08,893 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 22:58:08,950 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 22:58:08,955 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 22:58:08,957 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 22:58:08,982 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 22:58:08,983 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 22:58:08,984 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 22:58:08,985 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 22:58:08,985 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 22:58:08,986 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 22:58:08,986 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 22:58:08,986 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 22:58:08,988 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 22:58:09,001 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 22:58:09,002 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 22:58:09,002 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 22:58:09,002 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 22:58:09,002 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 22:58:09,002 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 22:58:09,003 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 22:58:09,003 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 22:58:09,004 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 22:58:09,004 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 22:58:09,005 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 22:58:09,005 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 22:58:09,005 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 22:58:09,006 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 22:58:09,006 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 22:58:09,006 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 22:58:09,007 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 22:58:09,007 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 22:58:09,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 22:58:09,007 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 22:58:09,007 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 22:58:09,008 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 22:58:09,008 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 22:58:09,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 22:58:09,008 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 22:58:09,008 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 22:58:09,008 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 22:58:09,009 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 22:58:09,009 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc5b9f71a5434758faa1f6f3febe6f12c158e9feff610b938ef9d4658acd21ff [2024-11-09 22:58:09,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 22:58:09,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 22:58:09,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 22:58:09,275 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 22:58:09,275 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 22:58:09,276 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec9_product09.cil.c [2024-11-09 22:58:10,514 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 22:58:10,824 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 22:58:10,825 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec9_product09.cil.c [2024-11-09 22:58:10,846 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/307272a48/891d9c0cb2514679b3c0b42d32e5fa77/FLAG53eca8968 [2024-11-09 22:58:11,079 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/307272a48/891d9c0cb2514679b3c0b42d32e5fa77 [2024-11-09 22:58:11,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 22:58:11,083 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 22:58:11,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 22:58:11,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 22:58:11,091 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 22:58:11,091 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:58:11" (1/1) ... [2024-11-09 22:58:11,092 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a304866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:11, skipping insertion in model container [2024-11-09 22:58:11,092 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:58:11" (1/1) ... [2024-11-09 22:58:11,138 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 22:58:11,542 WARN L250 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_product09.cil.c[70349,70362] [2024-11-09 22:58:11,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 22:58:11,556 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 22:58:11,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [48] [2024-11-09 22:58:11,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [62] [2024-11-09 22:58:11,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [730] [2024-11-09 22:58:11,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [1092] [2024-11-09 22:58:11,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2539] [2024-11-09 22:58:11,566 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification9_spec.i","") [2905] [2024-11-09 22:58:11,566 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [3065] [2024-11-09 22:58:11,566 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [3184] [2024-11-09 22:58:11,566 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [3275] [2024-11-09 22:58:11,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [3310] [2024-11-09 22:58:11,651 WARN L250 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_product09.cil.c[70349,70362] [2024-11-09 22:58:11,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 22:58:11,679 INFO L204 MainTranslator]: Completed translation [2024-11-09 22:58:11,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:11 WrapperNode [2024-11-09 22:58:11,680 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 22:58:11,681 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 22:58:11,681 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 22:58:11,681 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 22:58:11,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:11" (1/1) ... [2024-11-09 22:58:11,711 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:11" (1/1) ... [2024-11-09 22:58:11,754 INFO L138 Inliner]: procedures = 89, calls = 327, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 769 [2024-11-09 22:58:11,754 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 22:58:11,755 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 22:58:11,756 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 22:58:11,756 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 22:58:11,765 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:11" (1/1) ... [2024-11-09 22:58:11,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:11" (1/1) ... [2024-11-09 22:58:11,771 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:11" (1/1) ... [2024-11-09 22:58:11,803 INFO L175 MemorySlicer]: Split 81 memory accesses to 20 slices as follows [2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4, 4, 4, 4, 2]. 9 percent of accesses are in the largest equivalence class. The 81 initializations are split as follows [2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4, 4, 4, 4, 2]. The 0 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. [2024-11-09 22:58:11,803 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:11" (1/1) ... [2024-11-09 22:58:11,803 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:11" (1/1) ... [2024-11-09 22:58:11,827 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:11" (1/1) ... [2024-11-09 22:58:11,829 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:11" (1/1) ... [2024-11-09 22:58:11,833 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:11" (1/1) ... [2024-11-09 22:58:11,836 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:11" (1/1) ... [2024-11-09 22:58:11,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 22:58:11,846 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 22:58:11,846 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 22:58:11,846 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 22:58:11,851 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:11" (1/1) ... [2024-11-09 22:58:11,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 22:58:11,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 22:58:11,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 22:58:11,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 22:58:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 22:58:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2024-11-09 22:58:11,932 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2024-11-09 22:58:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2024-11-09 22:58:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2024-11-09 22:58:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2024-11-09 22:58:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2024-11-09 22:58:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2024-11-09 22:58:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2024-11-09 22:58:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-09 22:58:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-09 22:58:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-09 22:58:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-09 22:58:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2024-11-09 22:58:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2024-11-09 22:58:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2024-11-09 22:58:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2024-11-09 22:58:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2024-11-09 22:58:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2024-11-09 22:58:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2024-11-09 22:58:11,935 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2024-11-09 22:58:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2024-11-09 22:58:11,936 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2024-11-09 22:58:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2024-11-09 22:58:11,936 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2024-11-09 22:58:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2024-11-09 22:58:11,936 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2024-11-09 22:58:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2024-11-09 22:58:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2024-11-09 22:58:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2024-11-09 22:58:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2024-11-09 22:58:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2024-11-09 22:58:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2024-11-09 22:58:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 22:58:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 22:58:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 22:58:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 22:58:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 22:58:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 22:58:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 22:58:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-09 22:58:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-09 22:58:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-09 22:58:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-09 22:58:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-09 22:58:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-09 22:58:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-09 22:58:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-09 22:58:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-09 22:58:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-09 22:58:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-09 22:58:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-09 22:58:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-09 22:58:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2024-11-09 22:58:11,940 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2024-11-09 22:58:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2024-11-09 22:58:11,941 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2024-11-09 22:58:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2024-11-09 22:58:11,941 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2024-11-09 22:58:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 22:58:11,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 22:58:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2024-11-09 22:58:11,941 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2024-11-09 22:58:12,114 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 22:58:12,116 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 22:58:12,178 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3181: #res := ~retValue_acc~23; [2024-11-09 22:58:12,180 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1168: #res := ~retValue_acc~5; [2024-11-09 22:58:12,423 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1859: #res := ~retValue_acc~13; [2024-11-09 22:58:12,472 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1963: #res := ~retValue_acc~16; [2024-11-09 22:58:12,487 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3142: #res := ~retValue_acc~22; [2024-11-09 22:58:12,513 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1414: #res := ~retValue_acc~10; [2024-11-09 22:58:12,704 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1365-1: buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; [2024-11-09 22:58:12,705 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1949-1: stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; [2024-11-09 22:58:12,705 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1322-1: getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; [2024-11-09 22:58:12,705 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1331-1: areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; [2024-11-09 22:58:12,766 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1494-1: anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~11#1; [2024-11-09 22:58:12,767 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1507-1: isIdle_#res#1 := isIdle_~retValue_acc~12#1; [2024-11-09 22:58:12,820 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L416: #res := ~retValue_acc~1; [2024-11-09 22:58:12,892 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1089-1: main_#res#1 := main_~retValue_acc~4#1; [2024-11-09 22:58:12,892 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3307-1: valid_product_#res#1 := valid_product_~retValue_acc~25#1; [2024-11-09 22:58:12,931 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L180: #res := ~retValue_acc~0; [2024-11-09 22:58:12,935 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L727: #res := ~retValue_acc~2; [2024-11-09 22:58:13,075 INFO L? ?]: Removed 443 outVars from TransFormulas that were not future-live. [2024-11-09 22:58:13,075 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 22:58:13,102 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 22:58:13,103 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 22:58:13,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 10:58:13 BoogieIcfgContainer [2024-11-09 22:58:13,103 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 22:58:13,105 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 22:58:13,105 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 22:58:13,108 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 22:58:13,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 10:58:11" (1/3) ... [2024-11-09 22:58:13,108 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f1bed92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:58:13, skipping insertion in model container [2024-11-09 22:58:13,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:11" (2/3) ... [2024-11-09 22:58:13,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f1bed92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:58:13, skipping insertion in model container [2024-11-09 22:58:13,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 10:58:13" (3/3) ... [2024-11-09 22:58:13,110 INFO L112 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product09.cil.c [2024-11-09 22:58:13,125 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 22:58:13,125 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 22:58:13,196 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 22:58:13,205 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6c8c7758, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 22:58:13,207 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 22:58:13,216 INFO L276 IsEmpty]: Start isEmpty. Operand has 541 states, 436 states have (on average 1.7362385321100917) internal successors, (757), 457 states have internal predecessors, (757), 83 states have call successors, (83), 20 states have call predecessors, (83), 20 states have return successors, (83), 77 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-09 22:58:13,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 22:58:13,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:58:13,238 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 22:58:13,239 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:58:13,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:58:13,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1263118119, now seen corresponding path program 1 times [2024-11-09 22:58:13,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 22:58:13,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900715645] [2024-11-09 22:58:13,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:58:13,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 22:58:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:58:13,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 22:58:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:58:13,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 22:58:13,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:58:13,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 22:58:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:58:14,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 22:58:14,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:58:14,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 22:58:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:58:14,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 22:58:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:58:14,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 22:58:14,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:58:14,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-09 22:58:14,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:58:14,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 22:58:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:58:14,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 22:58:14,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 22:58:14,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900715645] [2024-11-09 22:58:14,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900715645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:58:14,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 22:58:14,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 22:58:14,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74193470] [2024-11-09 22:58:14,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:58:14,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 22:58:14,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 22:58:14,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 22:58:14,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-09 22:58:14,388 INFO L87 Difference]: Start difference. First operand has 541 states, 436 states have (on average 1.7362385321100917) internal successors, (757), 457 states have internal predecessors, (757), 83 states have call successors, (83), 20 states have call predecessors, (83), 20 states have return successors, (83), 77 states have call predecessors, (83), 83 states have call successors, (83) Second operand has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 6 states have internal predecessors, (59), 2 states have call successors, (10), 5 states have call predecessors, (10), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 22:58:16,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 22:58:16,685 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-11-09 22:58:16,690 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 717 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 1408 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 721 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 1486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 22:58:16,691 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [721 Valid, 305 Invalid, 1486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 1408 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 22:58:16,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 22:58:16,695 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:65) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:210) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:373) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2024-11-09 22:58:16,699 INFO L158 Benchmark]: Toolchain (without parser) took 5615.20ms. Allocated memory was 176.2MB in the beginning and 293.6MB in the end (delta: 117.4MB). Free memory was 144.6MB in the beginning and 212.2MB in the end (delta: -67.6MB). Peak memory consumption was 172.8MB. Max. memory is 16.1GB. [2024-11-09 22:58:16,700 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 176.2MB. Free memory was 145.3MB in the beginning and 145.1MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 22:58:16,700 INFO L158 Benchmark]: CACSL2BoogieTranslator took 595.89ms. Allocated memory is still 176.2MB. Free memory was 144.1MB in the beginning and 99.8MB in the end (delta: 44.3MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-11-09 22:58:16,701 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.85ms. Allocated memory is still 176.2MB. Free memory was 99.8MB in the beginning and 94.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 22:58:16,702 INFO L158 Benchmark]: Boogie Preprocessor took 90.23ms. Allocated memory is still 176.2MB. Free memory was 94.7MB in the beginning and 88.8MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 22:58:16,703 INFO L158 Benchmark]: IcfgBuilder took 1257.91ms. Allocated memory was 176.2MB in the beginning and 241.2MB in the end (delta: 65.0MB). Free memory was 88.8MB in the beginning and 171.9MB in the end (delta: -83.1MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2024-11-09 22:58:16,703 INFO L158 Benchmark]: TraceAbstraction took 3593.14ms. Allocated memory was 241.2MB in the beginning and 293.6MB in the end (delta: 52.4MB). Free memory was 170.9MB in the beginning and 212.2MB in the end (delta: -41.4MB). Peak memory consumption was 132.7MB. Max. memory is 16.1GB. [2024-11-09 22:58:16,705 INFO L338 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 176.2MB. Free memory was 145.3MB in the beginning and 145.1MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 595.89ms. Allocated memory is still 176.2MB. Free memory was 144.1MB in the beginning and 99.8MB in the end (delta: 44.3MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.85ms. Allocated memory is still 176.2MB. Free memory was 99.8MB in the beginning and 94.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.23ms. Allocated memory is still 176.2MB. Free memory was 94.7MB in the beginning and 88.8MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * IcfgBuilder took 1257.91ms. Allocated memory was 176.2MB in the beginning and 241.2MB in the end (delta: 65.0MB). Free memory was 88.8MB in the beginning and 171.9MB in the end (delta: -83.1MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3593.14ms. Allocated memory was 241.2MB in the beginning and 293.6MB in the end (delta: 52.4MB). Free memory was 170.9MB in the beginning and 212.2MB in the end (delta: -41.4MB). Peak memory consumption was 132.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 48]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [48] - GenericResultAtLocation [Line: 62]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [62] - GenericResultAtLocation [Line: 730]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [730] - GenericResultAtLocation [Line: 1092]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [1092] - GenericResultAtLocation [Line: 2539]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2539] - GenericResultAtLocation [Line: 2905]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification9_spec.i","") [2905] - GenericResultAtLocation [Line: 3065]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [3065] - GenericResultAtLocation [Line: 3184]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [3184] - GenericResultAtLocation [Line: 3275]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [3275] - GenericResultAtLocation [Line: 3310]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [3310] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 22:58:16,735 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with 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: /root/.sdkman/candidates/java/11.0.12-open/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_product09.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 --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 cc5b9f71a5434758faa1f6f3febe6f12c158e9feff610b938ef9d4658acd21ff --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 22:58:18,654 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 22:58:18,721 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-09 22:58:18,725 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 22:58:18,726 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 22:58:18,750 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 22:58:18,750 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 22:58:18,750 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 22:58:18,751 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 22:58:18,751 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 22:58:18,752 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 22:58:18,752 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 22:58:18,752 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 22:58:18,753 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 22:58:18,754 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 22:58:18,754 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 22:58:18,755 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 22:58:18,755 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 22:58:18,755 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 22:58:18,755 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 22:58:18,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 22:58:18,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 22:58:18,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 22:58:18,756 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 22:58:18,757 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 22:58:18,757 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 22:58:18,757 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 22:58:18,757 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 22:58:18,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 22:58:18,758 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 22:58:18,758 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 22:58:18,758 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 22:58:18,758 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 22:58:18,758 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 22:58:18,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 22:58:18,759 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 22:58:18,759 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 22:58:18,759 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 22:58:18,759 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-09 22:58:18,760 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 22:58:18,760 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 22:58:18,760 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 22:58:18,760 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 22:58:18,760 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 22:58:18,760 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc5b9f71a5434758faa1f6f3febe6f12c158e9feff610b938ef9d4658acd21ff [2024-11-09 22:58:19,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 22:58:19,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 22:58:19,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 22:58:19,049 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 22:58:19,049 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 22:58:19,050 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec9_product09.cil.c [2024-11-09 22:58:20,413 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 22:58:20,692 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 22:58:20,692 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec9_product09.cil.c [2024-11-09 22:58:20,708 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eca1fe38d/b435ae29f2704000afb37a6e4afff791/FLAG0f8c958e3 [2024-11-09 22:58:20,974 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eca1fe38d/b435ae29f2704000afb37a6e4afff791 [2024-11-09 22:58:20,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 22:58:20,978 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 22:58:20,979 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 22:58:20,979 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 22:58:20,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 22:58:20,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:58:20" (1/1) ... [2024-11-09 22:58:20,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f8fb56c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:20, skipping insertion in model container [2024-11-09 22:58:20,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:58:20" (1/1) ... [2024-11-09 22:58:21,030 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 22:58:21,409 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 22:58:21,410 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 22:58:21,415 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 22:58:21,421 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 22:58:21,424 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 22:58:21,438 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 22:58:21,439 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 22:58:21,440 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 22:58:21,442 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 22:58:21,474 WARN L250 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_product09.cil.c[70349,70362] [2024-11-09 22:58:21,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 22:58:21,492 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 22:58:21,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [48] [2024-11-09 22:58:21,501 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [62] [2024-11-09 22:58:21,502 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [730] [2024-11-09 22:58:21,502 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [1092] [2024-11-09 22:58:21,502 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2539] [2024-11-09 22:58:21,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification9_spec.i","") [2905] [2024-11-09 22:58:21,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [3065] [2024-11-09 22:58:21,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [3184] [2024-11-09 22:58:21,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [3275] [2024-11-09 22:58:21,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [3310] [2024-11-09 22:58:21,611 WARN L250 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_product09.cil.c[70349,70362] [2024-11-09 22:58:21,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 22:58:21,641 INFO L204 MainTranslator]: Completed translation [2024-11-09 22:58:21,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:21 WrapperNode [2024-11-09 22:58:21,642 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 22:58:21,643 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 22:58:21,643 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 22:58:21,643 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 22:58:21,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:21" (1/1) ... [2024-11-09 22:58:21,686 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:21" (1/1) ... [2024-11-09 22:58:21,724 INFO L138 Inliner]: procedures = 91, calls = 327, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 731 [2024-11-09 22:58:21,734 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 22:58:21,735 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 22:58:21,735 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 22:58:21,735 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 22:58:21,746 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:21" (1/1) ... [2024-11-09 22:58:21,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:21" (1/1) ... [2024-11-09 22:58:21,758 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:21" (1/1) ... [2024-11-09 22:58:21,791 INFO L175 MemorySlicer]: Split 81 memory accesses to 20 slices as follows [2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4, 4, 4, 4, 2]. 9 percent of accesses are in the largest equivalence class. The 81 initializations are split as follows [2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4, 4, 4, 4, 2]. The 0 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. [2024-11-09 22:58:21,791 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:21" (1/1) ... [2024-11-09 22:58:21,791 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:21" (1/1) ... [2024-11-09 22:58:21,815 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:21" (1/1) ... [2024-11-09 22:58:21,816 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:21" (1/1) ... [2024-11-09 22:58:21,822 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:21" (1/1) ... [2024-11-09 22:58:21,829 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:21" (1/1) ... [2024-11-09 22:58:21,835 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 22:58:21,836 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 22:58:21,836 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 22:58:21,836 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 22:58:21,837 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:21" (1/1) ... [2024-11-09 22:58:21,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 22:58:21,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 22:58:21,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 22:58:21,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 22:58:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 22:58:21,922 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2024-11-09 22:58:21,922 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2024-11-09 22:58:21,922 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2024-11-09 22:58:21,923 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2024-11-09 22:58:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2024-11-09 22:58:21,923 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2024-11-09 22:58:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2024-11-09 22:58:21,923 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2024-11-09 22:58:21,924 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-09 22:58:21,924 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-09 22:58:21,924 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-09 22:58:21,924 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-09 22:58:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2024-11-09 22:58:21,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2024-11-09 22:58:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2024-11-09 22:58:21,925 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2024-11-09 22:58:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2024-11-09 22:58:21,926 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2024-11-09 22:58:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2024-11-09 22:58:21,926 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2024-11-09 22:58:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-09 22:58:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-09 22:58:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-09 22:58:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-09 22:58:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-09 22:58:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-09 22:58:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-09 22:58:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-09 22:58:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-09 22:58:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-09 22:58:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-09 22:58:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-09 22:58:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-09 22:58:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-09 22:58:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-09 22:58:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-11-09 22:58:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2024-11-09 22:58:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#17 [2024-11-09 22:58:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#18 [2024-11-09 22:58:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#19 [2024-11-09 22:58:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2024-11-09 22:58:21,927 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2024-11-09 22:58:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2024-11-09 22:58:21,927 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2024-11-09 22:58:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2024-11-09 22:58:21,927 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2024-11-09 22:58:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2024-11-09 22:58:21,928 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2024-11-09 22:58:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2024-11-09 22:58:21,928 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2024-11-09 22:58:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2024-11-09 22:58:21,928 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2024-11-09 22:58:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2024-11-09 22:58:21,928 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2024-11-09 22:58:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2024-11-09 22:58:21,929 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2024-11-09 22:58:21,930 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2024-11-09 22:58:21,930 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2024-11-09 22:58:21,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 22:58:21,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 22:58:21,930 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2024-11-09 22:58:21,930 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2024-11-09 22:58:22,100 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 22:58:22,102 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 22:58:22,174 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3181: #res := ~retValue_acc~23; [2024-11-09 22:58:22,181 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1168: #res := ~retValue_acc~5; [2024-11-09 22:58:22,489 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1859: #res := ~retValue_acc~13; [2024-11-09 22:58:22,585 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1963: #res := ~retValue_acc~16; [2024-11-09 22:58:22,605 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3142: #res := ~retValue_acc~22; [2024-11-09 22:58:22,667 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1414: #res := ~retValue_acc~10; [2024-11-09 22:58:22,856 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1365-1: buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~8#1; [2024-11-09 22:58:22,856 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1949-1: stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~15#1; [2024-11-09 22:58:22,856 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1322-1: getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~6#1; [2024-11-09 22:58:22,856 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1331-1: areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~7#1; [2024-11-09 22:58:22,909 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1494-1: anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~11#1; [2024-11-09 22:58:22,909 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1507-1: isIdle_#res#1 := isIdle_~retValue_acc~12#1; [2024-11-09 22:58:22,972 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L416: #res := ~retValue_acc~1; [2024-11-09 22:58:23,072 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1089-1: main_#res#1 := main_~retValue_acc~4#1; [2024-11-09 22:58:23,072 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3307-1: valid_product_#res#1 := valid_product_~retValue_acc~25#1; [2024-11-09 22:58:23,090 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L180: #res := ~retValue_acc~0; [2024-11-09 22:58:23,095 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L727: #res := ~retValue_acc~2; [2024-11-09 22:58:23,215 INFO L? ?]: Removed 443 outVars from TransFormulas that were not future-live. [2024-11-09 22:58:23,215 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 22:58:23,234 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 22:58:23,234 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 22:58:23,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 10:58:23 BoogieIcfgContainer [2024-11-09 22:58:23,235 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 22:58:23,236 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 22:58:23,236 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 22:58:23,243 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 22:58:23,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 10:58:20" (1/3) ... [2024-11-09 22:58:23,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bc5d5f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:58:23, skipping insertion in model container [2024-11-09 22:58:23,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:58:21" (2/3) ... [2024-11-09 22:58:23,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bc5d5f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:58:23, skipping insertion in model container [2024-11-09 22:58:23,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 10:58:23" (3/3) ... [2024-11-09 22:58:23,245 INFO L112 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product09.cil.c [2024-11-09 22:58:23,258 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 22:58:23,258 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 22:58:23,335 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 22:58:23,342 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@61c53ef1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 22:58:23,342 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 22:58:23,352 INFO L276 IsEmpty]: Start isEmpty. Operand has 541 states, 436 states have (on average 1.7362385321100917) internal successors, (757), 457 states have internal predecessors, (757), 83 states have call successors, (83), 20 states have call predecessors, (83), 20 states have return successors, (83), 77 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-09 22:58:23,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 22:58:23,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:58:23,372 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 22:58:23,372 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:58:23,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:58:23,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1263118119, now seen corresponding path program 1 times [2024-11-09 22:58:23,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 22:58:23,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1372376796] [2024-11-09 22:58:23,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:58:23,389 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 22:58:23,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 22:58:23,390 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 22:58:23,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 22:58:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:58:23,718 INFO L255 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 22:58:23,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 22:58:23,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 22:58:23,749 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 22:58:23,750 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-09 22:58:23,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1372376796] [2024-11-09 22:58:23,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1372376796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:58:23,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 22:58:23,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 22:58:23,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677955503] [2024-11-09 22:58:23,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:58:23,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 22:58:23,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-09 22:58:23,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 22:58:23,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 22:58:23,784 INFO L87 Difference]: Start difference. First operand has 541 states, 436 states have (on average 1.7362385321100917) internal successors, (757), 457 states have internal predecessors, (757), 83 states have call successors, (83), 20 states have call predecessors, (83), 20 states have return successors, (83), 77 states have call predecessors, (83), 83 states have call successors, (83) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 22:58:23,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 22:58:23,814 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 22:58:23,817 INFO L432 NwaCegarLoop]: 335 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 22:58:23,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 22:58:23,829 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 22:58:24,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 22:58:24,021 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:65) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:210) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:373) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2024-11-09 22:58:24,024 INFO L158 Benchmark]: Toolchain (without parser) took 3045.89ms. Allocated memory was 69.2MB in the beginning and 121.6MB in the end (delta: 52.4MB). Free memory was 43.5MB in the beginning and 41.3MB in the end (delta: 2.2MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2024-11-09 22:58:24,025 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 69.2MB. Free memory was 48.9MB in the beginning and 48.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 22:58:24,025 INFO L158 Benchmark]: CACSL2BoogieTranslator took 662.74ms. Allocated memory was 69.2MB in the beginning and 100.7MB in the end (delta: 31.5MB). Free memory was 43.2MB in the beginning and 46.9MB in the end (delta: -3.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-09 22:58:24,026 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.64ms. Allocated memory is still 100.7MB. Free memory was 46.9MB in the beginning and 75.8MB in the end (delta: -28.9MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2024-11-09 22:58:24,026 INFO L158 Benchmark]: Boogie Preprocessor took 100.51ms. Allocated memory is still 100.7MB. Free memory was 75.8MB in the beginning and 69.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 22:58:24,026 INFO L158 Benchmark]: IcfgBuilder took 1398.90ms. Allocated memory is still 100.7MB. Free memory was 69.5MB in the beginning and 29.7MB in the end (delta: 39.8MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. [2024-11-09 22:58:24,026 INFO L158 Benchmark]: TraceAbstraction took 788.07ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 28.9MB in the beginning and 41.3MB in the end (delta: -12.4MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-11-09 22:58:24,031 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77ms. Allocated memory is still 69.2MB. Free memory was 48.9MB in the beginning and 48.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 662.74ms. Allocated memory was 69.2MB in the beginning and 100.7MB in the end (delta: 31.5MB). Free memory was 43.2MB in the beginning and 46.9MB in the end (delta: -3.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.64ms. Allocated memory is still 100.7MB. Free memory was 46.9MB in the beginning and 75.8MB in the end (delta: -28.9MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.51ms. Allocated memory is still 100.7MB. Free memory was 75.8MB in the beginning and 69.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * IcfgBuilder took 1398.90ms. Allocated memory is still 100.7MB. Free memory was 69.5MB in the beginning and 29.7MB in the end (delta: 39.8MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. * TraceAbstraction took 788.07ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 28.9MB in the beginning and 41.3MB in the end (delta: -12.4MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 48]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [48] - GenericResultAtLocation [Line: 62]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [62] - GenericResultAtLocation [Line: 730]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [730] - GenericResultAtLocation [Line: 1092]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [1092] - GenericResultAtLocation [Line: 2539]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2539] - GenericResultAtLocation [Line: 2905]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification9_spec.i","") [2905] - GenericResultAtLocation [Line: 3065]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [3065] - GenericResultAtLocation [Line: 3184]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [3184] - GenericResultAtLocation [Line: 3275]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [3275] - GenericResultAtLocation [Line: 3310]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [3310] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor1(BasicAbstractInterpolantAutomaton.java:99) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 22:58:24,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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: NullPointerException: null