./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product23.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 0dcc4ef6dcb698eb4a1aa5e679ef93d9117968bf5497c48d873f573e0e790860 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-19 22:07:10,553 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 22:07:10,600 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 22:07:10,603 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 22:07:10,603 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 22:07:10,627 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 22:07:10,627 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 22:07:10,628 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 22:07:10,628 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 22:07:10,628 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 22:07:10,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 22:07:10,629 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 22:07:10,629 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 22:07:10,630 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 22:07:10,630 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 22:07:10,630 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 22:07:10,630 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 22:07:10,631 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 22:07:10,631 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 22:07:10,631 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 22:07:10,631 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 22:07:10,634 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 22:07:10,634 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 22:07:10,634 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 22:07:10,634 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 22:07:10,635 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 22:07:10,638 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 22:07:10,638 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 22:07:10,638 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 22:07:10,638 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 22:07:10,638 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 22:07:10,638 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 22:07:10,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 22:07:10,639 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 22:07:10,639 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 22:07:10,639 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 22:07:10,639 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 22:07:10,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 22:07:10,639 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 22:07:10,639 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 22:07:10,640 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 22:07:10,640 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 22:07:10,641 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0dcc4ef6dcb698eb4a1aa5e679ef93d9117968bf5497c48d873f573e0e790860 [2024-11-19 22:07:10,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 22:07:10,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 22:07:10,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 22:07:10,852 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 22:07:10,852 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 22:07:10,853 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c [2024-11-19 22:07:12,158 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 22:07:12,337 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 22:07:12,338 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c [2024-11-19 22:07:12,351 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96a2917db/9e057011c43e4a51aae0924c21547b9a/FLAG05390db80 [2024-11-19 22:07:12,362 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96a2917db/9e057011c43e4a51aae0924c21547b9a [2024-11-19 22:07:12,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 22:07:12,366 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 22:07:12,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 22:07:12,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 22:07:12,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 22:07:12,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:07:12" (1/1) ... [2024-11-19 22:07:12,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b45d1de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:12, skipping insertion in model container [2024-11-19 22:07:12,373 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:07:12" (1/1) ... [2024-11-19 22:07:12,408 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 22:07:12,570 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/minepump_spec4_product23.cil.c[1605,1618] [2024-11-19 22:07:12,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 22:07:12,796 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 22:07:12,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-19 22:07:12,819 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [58] [2024-11-19 22:07:12,819 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [424] [2024-11-19 22:07:12,819 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [520] [2024-11-19 22:07:12,819 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [558] [2024-11-19 22:07:12,820 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [628] [2024-11-19 22:07:12,820 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [826] [2024-11-19 22:07:12,820 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [852] [2024-11-19 22:07:12,827 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/minepump_spec4_product23.cil.c[1605,1618] [2024-11-19 22:07:12,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 22:07:12,876 INFO L204 MainTranslator]: Completed translation [2024-11-19 22:07:12,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:12 WrapperNode [2024-11-19 22:07:12,877 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 22:07:12,877 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 22:07:12,877 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 22:07:12,878 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 22:07:12,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:12" (1/1) ... [2024-11-19 22:07:12,901 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:12" (1/1) ... [2024-11-19 22:07:12,936 INFO L138 Inliner]: procedures = 54, calls = 99, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 195 [2024-11-19 22:07:12,937 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 22:07:12,937 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 22:07:12,937 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 22:07:12,937 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 22:07:12,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:12" (1/1) ... [2024-11-19 22:07:12,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:12" (1/1) ... [2024-11-19 22:07:12,957 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:12" (1/1) ... [2024-11-19 22:07:12,975 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-19 22:07:12,975 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:12" (1/1) ... [2024-11-19 22:07:12,975 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:12" (1/1) ... [2024-11-19 22:07:12,978 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:12" (1/1) ... [2024-11-19 22:07:12,981 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:12" (1/1) ... [2024-11-19 22:07:12,981 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:12" (1/1) ... [2024-11-19 22:07:12,982 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:12" (1/1) ... [2024-11-19 22:07:12,984 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 22:07:12,984 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 22:07:12,984 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 22:07:12,985 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 22:07:12,987 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:12" (1/1) ... [2024-11-19 22:07:12,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 22:07:13,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:07:13,022 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) [2024-11-19 22:07:13,025 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 [2024-11-19 22:07:13,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 22:07:13,062 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-19 22:07:13,062 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-19 22:07:13,062 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-19 22:07:13,062 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-19 22:07:13,062 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-19 22:07:13,063 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-19 22:07:13,063 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-19 22:07:13,063 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-19 22:07:13,063 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2024-11-19 22:07:13,063 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2024-11-19 22:07:13,063 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-19 22:07:13,064 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-19 22:07:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 22:07:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-19 22:07:13,064 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-19 22:07:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 22:07:13,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 22:07:13,132 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 22:07:13,133 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 22:07:13,338 INFO L? ?]: Removed 42 outVars from TransFormulas that were not future-live. [2024-11-19 22:07:13,339 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 22:07:13,348 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 22:07:13,348 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 22:07:13,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:07:13 BoogieIcfgContainer [2024-11-19 22:07:13,350 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 22:07:13,351 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 22:07:13,351 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 22:07:13,357 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 22:07:13,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:07:12" (1/3) ... [2024-11-19 22:07:13,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@212cd7b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:07:13, skipping insertion in model container [2024-11-19 22:07:13,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:12" (2/3) ... [2024-11-19 22:07:13,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@212cd7b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:07:13, skipping insertion in model container [2024-11-19 22:07:13,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:07:13" (3/3) ... [2024-11-19 22:07:13,360 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product23.cil.c [2024-11-19 22:07:13,373 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 22:07:13,374 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 22:07:13,427 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 22:07:13,438 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;@2d60a74f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 22:07:13,438 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 22:07:13,444 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 64 states have (on average 1.390625) internal successors, (89), 73 states have internal predecessors, (89), 13 states have call successors, (13), 7 states have call predecessors, (13), 7 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-19 22:07:13,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-19 22:07:13,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:07:13,451 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:07:13,451 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:07:13,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:07:13,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1885367060, now seen corresponding path program 1 times [2024-11-19 22:07:13,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:07:13,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22845368] [2024-11-19 22:07:13,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:07:13,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:07:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:07:13,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:07:13,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:07:13,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22845368] [2024-11-19 22:07:13,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22845368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:07:13,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:07:13,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 22:07:13,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320974467] [2024-11-19 22:07:13,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:07:13,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 22:07:13,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:07:13,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 22:07:13,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 22:07:13,641 INFO L87 Difference]: Start difference. First operand has 86 states, 64 states have (on average 1.390625) internal successors, (89), 73 states have internal predecessors, (89), 13 states have call successors, (13), 7 states have call predecessors, (13), 7 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:07:13,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:07:13,663 INFO L93 Difference]: Finished difference Result 164 states and 225 transitions. [2024-11-19 22:07:13,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 22:07:13,665 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-19 22:07:13,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:07:13,671 INFO L225 Difference]: With dead ends: 164 [2024-11-19 22:07:13,672 INFO L226 Difference]: Without dead ends: 77 [2024-11-19 22:07:13,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 22:07:13,679 INFO L432 NwaCegarLoop]: 109 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, 109 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 [2024-11-19 22:07:13,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:07:13,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-19 22:07:13,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-19 22:07:13,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 65 states have internal predecessors, (75), 13 states have call successors, (13), 7 states have call predecessors, (13), 6 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-19 22:07:13,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 100 transitions. [2024-11-19 22:07:13,711 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 100 transitions. Word has length 19 [2024-11-19 22:07:13,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:07:13,712 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 100 transitions. [2024-11-19 22:07:13,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:07:13,712 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 100 transitions. [2024-11-19 22:07:13,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-19 22:07:13,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:07:13,714 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] [2024-11-19 22:07:13,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 22:07:13,714 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:07:13,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:07:13,715 INFO L85 PathProgramCache]: Analyzing trace with hash -633787630, now seen corresponding path program 1 times [2024-11-19 22:07:13,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:07:13,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164885036] [2024-11-19 22:07:13,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:07:13,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:07:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:07:13,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:07:13,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:07:13,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164885036] [2024-11-19 22:07:13,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164885036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:07:13,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:07:13,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:07:13,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106498452] [2024-11-19 22:07:13,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:07:13,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:07:13,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:07:13,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:07:13,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:07:13,784 INFO L87 Difference]: Start difference. First operand 77 states and 100 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:07:13,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:07:13,795 INFO L93 Difference]: Finished difference Result 116 states and 150 transitions. [2024-11-19 22:07:13,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:07:13,796 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-19 22:07:13,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:07:13,797 INFO L225 Difference]: With dead ends: 116 [2024-11-19 22:07:13,797 INFO L226 Difference]: Without dead ends: 68 [2024-11-19 22:07:13,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:07:13,798 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 16 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:07:13,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 153 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:07:13,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-19 22:07:13,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-11-19 22:07:13,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 51 states have (on average 1.3333333333333333) internal successors, (68), 59 states have internal predecessors, (68), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-19 22:07:13,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 88 transitions. [2024-11-19 22:07:13,806 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 88 transitions. Word has length 20 [2024-11-19 22:07:13,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:07:13,806 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 88 transitions. [2024-11-19 22:07:13,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:07:13,806 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2024-11-19 22:07:13,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-19 22:07:13,807 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:07:13,807 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] [2024-11-19 22:07:13,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 22:07:13,808 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:07:13,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:07:13,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1735953232, now seen corresponding path program 1 times [2024-11-19 22:07:13,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:07:13,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431072138] [2024-11-19 22:07:13,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:07:13,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:07:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:07:13,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:07:13,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:07:13,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431072138] [2024-11-19 22:07:13,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431072138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:07:13,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:07:13,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 22:07:13,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757621728] [2024-11-19 22:07:13,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:07:13,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 22:07:13,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:07:13,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 22:07:13,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 22:07:13,922 INFO L87 Difference]: Start difference. First operand 68 states and 88 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:07:14,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:07:14,055 INFO L93 Difference]: Finished difference Result 227 states and 301 transitions. [2024-11-19 22:07:14,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 22:07:14,055 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2024-11-19 22:07:14,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:07:14,057 INFO L225 Difference]: With dead ends: 227 [2024-11-19 22:07:14,057 INFO L226 Difference]: Without dead ends: 166 [2024-11-19 22:07:14,058 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-19 22:07:14,059 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 149 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 22:07:14,059 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 390 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 22:07:14,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-19 22:07:14,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 160. [2024-11-19 22:07:14,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 119 states have (on average 1.3697478991596639) internal successors, (163), 137 states have internal predecessors, (163), 24 states have call successors, (24), 16 states have call predecessors, (24), 16 states have return successors, (25), 14 states have call predecessors, (25), 24 states have call successors, (25) [2024-11-19 22:07:14,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 212 transitions. [2024-11-19 22:07:14,077 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 212 transitions. Word has length 24 [2024-11-19 22:07:14,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:07:14,078 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 212 transitions. [2024-11-19 22:07:14,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:07:14,078 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 212 transitions. [2024-11-19 22:07:14,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-19 22:07:14,079 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:07:14,079 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] [2024-11-19 22:07:14,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 22:07:14,079 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:07:14,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:07:14,080 INFO L85 PathProgramCache]: Analyzing trace with hash -908810234, now seen corresponding path program 1 times [2024-11-19 22:07:14,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:07:14,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788371186] [2024-11-19 22:07:14,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:07:14,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:07:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:07:14,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:07:14,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:07:14,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788371186] [2024-11-19 22:07:14,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788371186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:07:14,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:07:14,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 22:07:14,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028140923] [2024-11-19 22:07:14,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:07:14,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:07:14,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:07:14,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:07:14,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:07:14,164 INFO L87 Difference]: Start difference. First operand 160 states and 212 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:07:14,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:07:14,227 INFO L93 Difference]: Finished difference Result 449 states and 617 transitions. [2024-11-19 22:07:14,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:07:14,228 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-11-19 22:07:14,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:07:14,230 INFO L225 Difference]: With dead ends: 449 [2024-11-19 22:07:14,231 INFO L226 Difference]: Without dead ends: 296 [2024-11-19 22:07:14,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:07:14,237 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 54 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:07:14,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 319 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:07:14,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-19 22:07:14,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2024-11-19 22:07:14,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 218 states have (on average 1.348623853211009) internal successors, (294), 250 states have internal predecessors, (294), 48 states have call successors, (48), 32 states have call predecessors, (48), 29 states have return successors, (54), 25 states have call predecessors, (54), 48 states have call successors, (54) [2024-11-19 22:07:14,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 396 transitions. [2024-11-19 22:07:14,270 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 396 transitions. Word has length 28 [2024-11-19 22:07:14,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:07:14,271 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 396 transitions. [2024-11-19 22:07:14,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:07:14,271 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 396 transitions. [2024-11-19 22:07:14,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-19 22:07:14,273 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:07:14,273 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] [2024-11-19 22:07:14,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 22:07:14,273 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:07:14,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:07:14,278 INFO L85 PathProgramCache]: Analyzing trace with hash -89703733, now seen corresponding path program 1 times [2024-11-19 22:07:14,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:07:14,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902046326] [2024-11-19 22:07:14,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:07:14,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:07:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:07:14,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:07:14,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:07:14,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902046326] [2024-11-19 22:07:14,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902046326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:07:14,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:07:14,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 22:07:14,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70929221] [2024-11-19 22:07:14,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:07:14,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:07:14,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:07:14,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:07:14,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:07:14,343 INFO L87 Difference]: Start difference. First operand 296 states and 396 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:07:14,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:07:14,367 INFO L93 Difference]: Finished difference Result 504 states and 684 transitions. [2024-11-19 22:07:14,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:07:14,367 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2024-11-19 22:07:14,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:07:14,369 INFO L225 Difference]: With dead ends: 504 [2024-11-19 22:07:14,369 INFO L226 Difference]: Without dead ends: 215 [2024-11-19 22:07:14,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:07:14,374 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 38 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:07:14,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 53 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:07:14,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-19 22:07:14,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 211. [2024-11-19 22:07:14,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 161 states have (on average 1.2546583850931676) internal successors, (202), 171 states have internal predecessors, (202), 26 states have call successors, (26), 26 states have call predecessors, (26), 23 states have return successors, (28), 23 states have call predecessors, (28), 26 states have call successors, (28) [2024-11-19 22:07:14,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 256 transitions. [2024-11-19 22:07:14,394 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 256 transitions. Word has length 30 [2024-11-19 22:07:14,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:07:14,394 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 256 transitions. [2024-11-19 22:07:14,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:07:14,394 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 256 transitions. [2024-11-19 22:07:14,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-19 22:07:14,395 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:07:14,395 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] [2024-11-19 22:07:14,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 22:07:14,396 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:07:14,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:07:14,396 INFO L85 PathProgramCache]: Analyzing trace with hash 520035500, now seen corresponding path program 1 times [2024-11-19 22:07:14,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:07:14,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292959078] [2024-11-19 22:07:14,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:07:14,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:07:14,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:07:14,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-19 22:07:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:07:14,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:07:14,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:07:14,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292959078] [2024-11-19 22:07:14,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292959078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:07:14,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:07:14,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 22:07:14,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774581855] [2024-11-19 22:07:14,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:07:14,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 22:07:14,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:07:14,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 22:07:14,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 22:07:14,478 INFO L87 Difference]: Start difference. First operand 211 states and 256 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 22:07:14,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:07:14,552 INFO L93 Difference]: Finished difference Result 217 states and 262 transitions. [2024-11-19 22:07:14,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 22:07:14,553 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2024-11-19 22:07:14,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:07:14,553 INFO L225 Difference]: With dead ends: 217 [2024-11-19 22:07:14,553 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 22:07:14,554 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:07:14,554 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 47 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:07:14,555 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 137 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:07:14,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 22:07:14,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 22:07:14,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:07:14,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 22:07:14,556 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2024-11-19 22:07:14,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:07:14,556 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 22:07:14,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 22:07:14,556 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 22:07:14,556 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 22:07:14,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-19 22:07:14,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 22:07:14,560 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-19 22:07:14,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-19 22:07:15,004 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 22:07:15,026 WARN L156 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0) (= |old(~waterLevel~0)| ~waterLevel~0)) Eliminated clause: (= ~pumpRunning~0 0) [2024-11-19 22:07:15,028 WARN L156 FloydHoareUtils]: Requires clause for waterRise contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) Eliminated clause: (= ~pumpRunning~0 0) [2024-11-19 22:07:15,030 WARN L156 FloydHoareUtils]: Requires clause for processEnvironment__wrappee__lowWaterSensor contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0) (not (= 0 ~systemActive~0))) Eliminated clause: (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2024-11-19 22:07:15,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:07:15 BoogieIcfgContainer [2024-11-19 22:07:15,031 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 22:07:15,031 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 22:07:15,031 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 22:07:15,032 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 22:07:15,032 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:07:13" (3/4) ... [2024-11-19 22:07:15,034 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 22:07:15,040 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-19 22:07:15,040 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-19 22:07:15,040 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-19 22:07:15,040 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-19 22:07:15,041 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-19 22:07:15,041 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-19 22:07:15,041 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2024-11-19 22:07:15,045 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-19 22:07:15,045 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-19 22:07:15,046 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-19 22:07:15,046 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 22:07:15,046 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 22:07:15,122 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 22:07:15,123 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 22:07:15,123 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 22:07:15,123 INFO L158 Benchmark]: Toolchain (without parser) took 2757.51ms. Allocated memory is still 169.9MB. Free memory was 100.8MB in the beginning and 60.3MB in the end (delta: 40.5MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2024-11-19 22:07:15,123 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 113.2MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 22:07:15,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 509.40ms. Allocated memory is still 169.9MB. Free memory was 100.6MB in the beginning and 132.1MB in the end (delta: -31.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-19 22:07:15,124 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.50ms. Allocated memory is still 169.9MB. Free memory was 132.1MB in the beginning and 130.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 22:07:15,124 INFO L158 Benchmark]: Boogie Preprocessor took 46.39ms. Allocated memory is still 169.9MB. Free memory was 130.0MB in the beginning and 127.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 22:07:15,124 INFO L158 Benchmark]: RCFGBuilder took 365.35ms. Allocated memory is still 169.9MB. Free memory was 127.9MB in the beginning and 109.8MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-19 22:07:15,125 INFO L158 Benchmark]: TraceAbstraction took 1680.01ms. Allocated memory is still 169.9MB. Free memory was 109.0MB in the beginning and 67.6MB in the end (delta: 41.4MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2024-11-19 22:07:15,125 INFO L158 Benchmark]: Witness Printer took 91.55ms. Allocated memory is still 169.9MB. Free memory was 67.6MB in the beginning and 60.3MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-19 22:07:15,126 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 113.2MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 509.40ms. Allocated memory is still 169.9MB. Free memory was 100.6MB in the beginning and 132.1MB in the end (delta: -31.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.50ms. Allocated memory is still 169.9MB. Free memory was 132.1MB in the beginning and 130.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.39ms. Allocated memory is still 169.9MB. Free memory was 130.0MB in the beginning and 127.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 365.35ms. Allocated memory is still 169.9MB. Free memory was 127.9MB in the beginning and 109.8MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1680.01ms. Allocated memory is still 169.9MB. Free memory was 109.0MB in the beginning and 67.6MB in the end (delta: 41.4MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. * Witness Printer took 91.55ms. Allocated memory is still 169.9MB. Free memory was 67.6MB in the beginning and 60.3MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [58] - GenericResultAtLocation [Line: 424]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [424] - GenericResultAtLocation [Line: 520]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [520] - GenericResultAtLocation [Line: 558]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [558] - GenericResultAtLocation [Line: 628]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [628] - GenericResultAtLocation [Line: 826]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [826] - GenericResultAtLocation [Line: 852]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [852] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 86 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 309 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 304 mSDsluCounter, 1161 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 694 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 180 IncrementalHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 467 mSDtfsCounter, 180 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=296occurred in iteration=4, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 10 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 147 ConstructedInterpolants, 0 QuantifiedInterpolants, 341 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 571]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - ProcedureContractResult [Line: 728]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: (0 && (((((head == \old(head)) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 661]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: ((pumpRunning == 0) && (0 != systemActive)) Ensures: (((pumpRunning == 0) && (0 != systemActive)) && ((((((head == \old(head)) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 458]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((head == \old(head)) && (waterLevel == \old(waterLevel))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 854]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((head == \old(head)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 637]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: ((((pumpRunning == 0) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel)) && ((((head == \old(head)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 446]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((head == \old(head)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 669]: Procedure Contract for processEnvironment__wrappee__lowWaterSensor Derived contract for procedure processEnvironment__wrappee__lowWaterSensor. Requires: ((pumpRunning == 0) && (0 != systemActive)) Ensures: ((((pumpRunning == 0) && (\old(pumpRunning) == 0)) && (0 != systemActive)) && (((((head == \old(head)) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) RESULT: Ultimate proved your program to be correct! [2024-11-19 22:07:15,149 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: TRUE