./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d92887a-d848-4919-b3ad-bc5d71829549/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d92887a-d848-4919-b3ad-bc5d71829549/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d92887a-d848-4919-b3ad-bc5d71829549/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d92887a-d848-4919-b3ad-bc5d71829549/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d92887a-d848-4919-b3ad-bc5d71829549/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d92887a-d848-4919-b3ad-bc5d71829549/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dcab8ddabad39d2c77c9d9341cfb89acc265e09aeb5bde0419f381c4b7bb75b6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:39:17,259 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:39:17,353 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d92887a-d848-4919-b3ad-bc5d71829549/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-24 00:39:17,361 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:39:17,362 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:39:17,390 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:39:17,391 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:39:17,391 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:39:17,392 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:39:17,392 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:39:17,392 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:39:17,393 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:39:17,393 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:39:17,393 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-24 00:39:17,393 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-24 00:39:17,393 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-24 00:39:17,393 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-24 00:39:17,394 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-24 00:39:17,394 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-24 00:39:17,394 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:39:17,394 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-24 00:39:17,394 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:39:17,394 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:39:17,395 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:39:17,395 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:39:17,395 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-24 00:39:17,395 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-24 00:39:17,395 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-24 00:39:17,395 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 00:39:17,395 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:39:17,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:39:17,396 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-24 00:39:17,396 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:39:17,396 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:39:17,396 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:39:17,396 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:39:17,397 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:39:17,397 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-24 00:39:17,397 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-24 00:39:17,397 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d92887a-d848-4919-b3ad-bc5d71829549/bin/uautomizer-verify-LYvppIcaGC 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(F end) ) 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 -> dcab8ddabad39d2c77c9d9341cfb89acc265e09aeb5bde0419f381c4b7bb75b6 [2024-11-24 00:39:17,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:39:17,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:39:17,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:39:17,761 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:39:17,761 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:39:17,762 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d92887a-d848-4919-b3ad-bc5d71829549/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c [2024-11-24 00:39:20,761 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d92887a-d848-4919-b3ad-bc5d71829549/bin/uautomizer-verify-LYvppIcaGC/data/daf72c59f/d308f477b1224bbbb8a727296ab4ceed/FLAG6c9287676 [2024-11-24 00:39:21,107 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:39:21,108 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d92887a-d848-4919-b3ad-bc5d71829549/sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c [2024-11-24 00:39:21,121 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d92887a-d848-4919-b3ad-bc5d71829549/bin/uautomizer-verify-LYvppIcaGC/data/daf72c59f/d308f477b1224bbbb8a727296ab4ceed/FLAG6c9287676 [2024-11-24 00:39:21,137 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d92887a-d848-4919-b3ad-bc5d71829549/bin/uautomizer-verify-LYvppIcaGC/data/daf72c59f/d308f477b1224bbbb8a727296ab4ceed [2024-11-24 00:39:21,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:39:21,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:39:21,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:39:21,143 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:39:21,148 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:39:21,149 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:39:21" (1/1) ... [2024-11-24 00:39:21,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df03f9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:39:21, skipping insertion in model container [2024-11-24 00:39:21,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:39:21" (1/1) ... [2024-11-24 00:39:21,185 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:39:21,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:39:21,603 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:39:21,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-24 00:39:21,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [58] [2024-11-24 00:39:21,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [169] [2024-11-24 00:39:21,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [271] [2024-11-24 00:39:21,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [472] [2024-11-24 00:39:21,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [537] [2024-11-24 00:39:21,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [572] [2024-11-24 00:39:21,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [598] [2024-11-24 00:39:21,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:39:21,759 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:39:21,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:39:21 WrapperNode [2024-11-24 00:39:21,760 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:39:21,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:39:21,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:39:21,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:39:21,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:39:21" (1/1) ... [2024-11-24 00:39:21,784 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:39:21" (1/1) ... [2024-11-24 00:39:21,819 INFO L138 Inliner]: procedures = 55, calls = 99, calls flagged for inlining = 52, calls inlined = 80, statements flattened = 547 [2024-11-24 00:39:21,820 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:39:21,820 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:39:21,820 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:39:21,821 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:39:21,830 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:39:21" (1/1) ... [2024-11-24 00:39:21,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:39:21" (1/1) ... [2024-11-24 00:39:21,834 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:39:21" (1/1) ... [2024-11-24 00:39:21,864 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]. [2024-11-24 00:39:21,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:39:21" (1/1) ... [2024-11-24 00:39:21,868 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:39:21" (1/1) ... [2024-11-24 00:39:21,886 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:39:21" (1/1) ... [2024-11-24 00:39:21,887 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:39:21" (1/1) ... [2024-11-24 00:39:21,900 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:39:21" (1/1) ... [2024-11-24 00:39:21,901 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:39:21" (1/1) ... [2024-11-24 00:39:21,906 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:39:21" (1/1) ... [2024-11-24 00:39:21,912 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:39:21,913 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:39:21,918 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:39:21,918 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:39:21,919 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:39:21" (1/1) ... [2024-11-24 00:39:21,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:39:21,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d92887a-d848-4919-b3ad-bc5d71829549/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:39:21,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d92887a-d848-4919-b3ad-bc5d71829549/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:39:21,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d92887a-d848-4919-b3ad-bc5d71829549/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-24 00:39:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:39:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:39:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:39:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:39:22,119 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:39:22,121 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:39:22,701 INFO L? ?]: Removed 130 outVars from TransFormulas that were not future-live. [2024-11-24 00:39:22,701 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:39:22,714 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:39:22,715 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-24 00:39:22,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:39:22 BoogieIcfgContainer [2024-11-24 00:39:22,715 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:39:22,716 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-24 00:39:22,716 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-24 00:39:22,723 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-24 00:39:22,724 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:39:22,724 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.11 12:39:21" (1/3) ... [2024-11-24 00:39:22,725 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35e72a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 12:39:22, skipping insertion in model container [2024-11-24 00:39:22,726 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:39:22,726 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:39:21" (2/3) ... [2024-11-24 00:39:22,726 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35e72a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 12:39:22, skipping insertion in model container [2024-11-24 00:39:22,726 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:39:22,726 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:39:22" (3/3) ... [2024-11-24 00:39:22,728 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product49.cil.c [2024-11-24 00:39:22,797 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-24 00:39:22,797 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-24 00:39:22,798 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-24 00:39:22,798 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-24 00:39:22,798 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-24 00:39:22,798 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-24 00:39:22,798 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-24 00:39:22,798 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-24 00:39:22,804 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 163 states, 162 states have (on average 1.376543209876543) internal successors, (223), 162 states have internal predecessors, (223), 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) [2024-11-24 00:39:22,838 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 104 [2024-11-24 00:39:22,839 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:39:22,839 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:39:22,845 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:39:22,846 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:39:22,846 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-24 00:39:22,848 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 163 states, 162 states have (on average 1.376543209876543) internal successors, (223), 162 states have internal predecessors, (223), 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) [2024-11-24 00:39:22,859 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 104 [2024-11-24 00:39:22,860 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:39:22,860 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:39:22,860 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:39:22,860 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:39:22,884 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1;" "main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 00:39:22,884 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet23#1;test_~tmp~5#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet24#1;test_~tmp___0~2#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet25#1;test_~tmp___2~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_#t~ret29#1, __utac_acc__Specification4_spec__1_~tmp~6#1, __utac_acc__Specification4_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification4_spec__1_~tmp~6#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1;" "__utac_acc__Specification4_spec__1_#t~ret28#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~6#1 := __utac_acc__Specification4_spec__1_#t~ret28#1;havoc __utac_acc__Specification4_spec__1_#t~ret28#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_#t~ret29#1, __utac_acc__Specification4_spec__1_~tmp~6#1, __utac_acc__Specification4_spec__1_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 00:39:22,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:39:22,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-24 00:39:22,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:39:22,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266660446] [2024-11-24 00:39:22,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:39:22,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:39:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:39:23,013 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:39:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:39:23,057 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:39:23,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:39:23,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1727505128, now seen corresponding path program 1 times [2024-11-24 00:39:23,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:39:23,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338267981] [2024-11-24 00:39:23,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:39:23,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:39:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:39:23,075 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:39:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:39:23,087 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:39:23,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:39:23,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1683781932, now seen corresponding path program 1 times [2024-11-24 00:39:23,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:39:23,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463934692] [2024-11-24 00:39:23,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:39:23,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:39:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:39:23,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 00:39:23,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463934692] [2024-11-24 00:39:23,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463934692] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:39:23,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750865113] [2024-11-24 00:39:23,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:39:23,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:39:23,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d92887a-d848-4919-b3ad-bc5d71829549/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:39:23,400 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d92887a-d848-4919-b3ad-bc5d71829549/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:39:23,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d92887a-d848-4919-b3ad-bc5d71829549/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:39:23,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:39:23,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:39:23,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:39:23,548 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:39:23,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750865113] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:39:23,612 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:39:23,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-11-24 00:39:23,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644241539] [2024-11-24 00:39:23,617 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:39:23,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 00:39:23,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:39:23,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:39:23,730 INFO L87 Difference]: Start difference. First operand has 163 states, 162 states have (on average 1.376543209876543) internal successors, (223), 162 states have internal predecessors, (223), 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) Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 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) [2024-11-24 00:39:23,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:39:23,857 INFO L93 Difference]: Finished difference Result 157 states and 206 transitions. [2024-11-24 00:39:23,858 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 157 states and 206 transitions. [2024-11-24 00:39:23,869 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2024-11-24 00:39:23,879 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 157 states to 147 states and 196 transitions. [2024-11-24 00:39:23,880 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 147 [2024-11-24 00:39:23,884 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 147 [2024-11-24 00:39:23,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 147 states and 196 transitions. [2024-11-24 00:39:23,887 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 00:39:23,887 INFO L218 hiAutomatonCegarLoop]: Abstraction has 147 states and 196 transitions. [2024-11-24 00:39:23,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states and 196 transitions. [2024-11-24 00:39:23,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2024-11-24 00:39:23,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 147 states have (on average 1.3333333333333333) internal successors, (196), 146 states have internal predecessors, (196), 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) [2024-11-24 00:39:23,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 196 transitions. [2024-11-24 00:39:23,917 INFO L240 hiAutomatonCegarLoop]: Abstraction has 147 states and 196 transitions. [2024-11-24 00:39:23,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:39:23,923 INFO L425 stractBuchiCegarLoop]: Abstraction has 147 states and 196 transitions. [2024-11-24 00:39:23,924 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-24 00:39:23,924 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 147 states and 196 transitions. [2024-11-24 00:39:23,926 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2024-11-24 00:39:23,930 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:39:23,930 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:39:23,930 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:39:23,930 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:39:23,931 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1;" "main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 00:39:23,931 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet23#1;test_~tmp~5#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet24#1;test_~tmp___0~2#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet25#1;test_~tmp___2~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret11#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1;" "assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret10#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret11#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_#t~ret29#1, __utac_acc__Specification4_spec__1_~tmp~6#1, __utac_acc__Specification4_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification4_spec__1_~tmp~6#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1;" "__utac_acc__Specification4_spec__1_#t~ret28#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~6#1 := __utac_acc__Specification4_spec__1_#t~ret28#1;havoc __utac_acc__Specification4_spec__1_#t~ret28#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_#t~ret29#1, __utac_acc__Specification4_spec__1_~tmp~6#1, __utac_acc__Specification4_spec__1_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 00:39:23,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:39:23,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-24 00:39:23,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:39:23,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170384564] [2024-11-24 00:39:23,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:39:23,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:39:23,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:39:23,946 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:39:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:39:23,956 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:39:23,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:39:23,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1597479215, now seen corresponding path program 1 times [2024-11-24 00:39:23,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:39:23,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059476872] [2024-11-24 00:39:23,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:39:23,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:39:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:39:23,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 00:39:23,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059476872] [2024-11-24 00:39:23,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059476872] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:39:23,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321885145] [2024-11-24 00:39:23,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:39:23,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:39:23,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d92887a-d848-4919-b3ad-bc5d71829549/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:39:23,990 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d92887a-d848-4919-b3ad-bc5d71829549/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:39:23,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d92887a-d848-4919-b3ad-bc5d71829549/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 00:39:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:39:24,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:39:24,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:39:24,063 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:39:24,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [321885145] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:39:24,083 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:39:24,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-24 00:39:24,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374667917] [2024-11-24 00:39:24,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:39:24,084 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-24 00:39:24,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 00:39:24,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:39:24,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:39:24,085 INFO L87 Difference]: Start difference. First operand 147 states and 196 transitions. cyclomatic complexity: 51 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-24 00:39:24,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:39:24,205 INFO L93 Difference]: Finished difference Result 200 states and 256 transitions. [2024-11-24 00:39:24,205 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 200 states and 256 transitions. [2024-11-24 00:39:24,208 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 138 [2024-11-24 00:39:24,212 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 200 states to 200 states and 256 transitions. [2024-11-24 00:39:24,212 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 200 [2024-11-24 00:39:24,212 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 200 [2024-11-24 00:39:24,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 200 states and 256 transitions. [2024-11-24 00:39:24,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 00:39:24,213 INFO L218 hiAutomatonCegarLoop]: Abstraction has 200 states and 256 transitions. [2024-11-24 00:39:24,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states and 256 transitions. [2024-11-24 00:39:24,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2024-11-24 00:39:24,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 200 states have (on average 1.28) internal successors, (256), 199 states have internal predecessors, (256), 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) [2024-11-24 00:39:24,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 256 transitions. [2024-11-24 00:39:24,227 INFO L240 hiAutomatonCegarLoop]: Abstraction has 200 states and 256 transitions. [2024-11-24 00:39:24,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:39:24,232 INFO L425 stractBuchiCegarLoop]: Abstraction has 200 states and 256 transitions. [2024-11-24 00:39:24,232 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-24 00:39:24,232 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 200 states and 256 transitions. [2024-11-24 00:39:24,234 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 138 [2024-11-24 00:39:24,234 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:39:24,234 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:39:24,234 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:39:24,238 INFO L149 hiAutomatonCegarLoop]: Counterexample loop 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] [2024-11-24 00:39:24,238 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1;" "main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 00:39:24,238 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet23#1;test_~tmp~5#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet24#1;test_~tmp___0~2#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet25#1;test_~tmp___2~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret11#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret21#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~7#1;havoc isHighWaterLevel_~tmp~3#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1;" "isHighWaterLevel_#t~ret21#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3#1 := isHighWaterLevel_#t~ret21#1;havoc isHighWaterLevel_#t~ret21#1;" "assume 0 != isHighWaterLevel_~tmp~3#1;isHighWaterLevel_~tmp___0~0#1 := 0;" "isHighWaterLevel_~retValue_acc~7#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret10#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret21#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1#1 := processEnvironment__wrappee__highWaterSensor_#t~ret10#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret10#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret11#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_#t~ret29#1, __utac_acc__Specification4_spec__1_~tmp~6#1, __utac_acc__Specification4_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification4_spec__1_~tmp~6#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1;" "__utac_acc__Specification4_spec__1_#t~ret28#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~6#1 := __utac_acc__Specification4_spec__1_#t~ret28#1;havoc __utac_acc__Specification4_spec__1_#t~ret28#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_#t~ret29#1, __utac_acc__Specification4_spec__1_~tmp~6#1, __utac_acc__Specification4_spec__1_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 00:39:24,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:39:24,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-24 00:39:24,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:39:24,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051796530] [2024-11-24 00:39:24,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:39:24,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:39:24,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:39:24,259 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:39:24,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:39:24,272 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:39:24,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:39:24,276 INFO L85 PathProgramCache]: Analyzing trace with hash -520182391, now seen corresponding path program 1 times [2024-11-24 00:39:24,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:39:24,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2693212] [2024-11-24 00:39:24,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:39:24,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:39:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:39:24,298 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:39:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:39:24,321 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:39:24,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:39:24,322 INFO L85 PathProgramCache]: Analyzing trace with hash -646623667, now seen corresponding path program 1 times [2024-11-24 00:39:24,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:39:24,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409624071] [2024-11-24 00:39:24,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:39:24,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:39:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:39:24,345 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:39:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:39:24,375 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:39:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:39:25,563 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:39:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:39:25,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.11 12:39:25 BoogieIcfgContainer [2024-11-24 00:39:25,641 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-24 00:39:25,641 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:39:25,641 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:39:25,642 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:39:25,644 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:39:22" (3/4) ... [2024-11-24 00:39:25,646 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-24 00:39:25,701 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d92887a-d848-4919-b3ad-bc5d71829549/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 00:39:25,701 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:39:25,705 INFO L158 Benchmark]: Toolchain (without parser) took 4561.08ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 62.2MB in the end (delta: 56.3MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-24 00:39:25,705 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:39:25,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 618.47ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 100.1MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:39:25,706 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.02ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 97.3MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:39:25,706 INFO L158 Benchmark]: Boogie Preprocessor took 92.41ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 94.2MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:39:25,706 INFO L158 Benchmark]: RCFGBuilder took 801.82ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 68.8MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 00:39:25,707 INFO L158 Benchmark]: BuchiAutomizer took 2924.69ms. Allocated memory is still 142.6MB. Free memory was 68.8MB in the beginning and 65.6MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:39:25,707 INFO L158 Benchmark]: Witness Printer took 60.34ms. Allocated memory is still 142.6MB. Free memory was 65.6MB in the beginning and 62.2MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:39:25,709 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 618.47ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 100.1MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.02ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 97.3MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 92.41ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 94.2MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 801.82ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 68.8MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 2924.69ms. Allocated memory is still 142.6MB. Free memory was 68.8MB in the beginning and 65.6MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 60.34ms. Allocated memory is still 142.6MB. Free memory was 65.6MB in the beginning and 62.2MB in the end (delta: 3.4MB). 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,"Environment.i","") [58] - GenericResultAtLocation [Line: 169]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [169] - GenericResultAtLocation [Line: 271]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [271] - GenericResultAtLocation [Line: 472]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [472] - GenericResultAtLocation [Line: 537]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [537] - GenericResultAtLocation [Line: 572]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [572] - GenericResultAtLocation [Line: 598]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [598] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 7 locations. The remainder module has 200 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 524 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 524 mSDsluCounter, 883 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 490 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 393 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 485]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L67] int waterLevel = 1; [L68] int methaneLevelCritical = 0; [L170] int cleanupTimeShifts = 4; [L275] int pumpRunning = 0; [L276] int systemActive = 1; [L768] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L249] int retValue_acc ; [L250] int tmp ; [L254] FCALL select_helpers() [L255] FCALL select_features() [L256] CALL, EXPR valid_product() [L564] int retValue_acc ; [L567] retValue_acc = 1 [L568] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L256] RET, EXPR valid_product() [L256] tmp = valid_product() [L258] COND TRUE \read(tmp) [L260] FCALL setup() [L261] CALL runTest() [L240] CALL test() [L474] int splverifierCounter ; [L475] int tmp ; [L476] int tmp___0 ; [L477] int tmp___1 ; [L478] int tmp___2 ; [L481] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L485] COND TRUE splverifierCounter < 4 [L491] tmp = __VERIFIER_nondet_int() [L493] COND FALSE !(\read(tmp)) [L501] tmp___0 = __VERIFIER_nondet_int() [L503] COND FALSE !(\read(tmp___0)) [L511] tmp___2 = __VERIFIER_nondet_int() [L513] COND TRUE \read(tmp___2) [L526] CALL timeShift() [L283] COND FALSE !(\read(pumpRunning)) [L290] COND TRUE \read(systemActive) [L292] CALL processEnvironment() [L338] int tmp ; [L341] COND FALSE !(\read(pumpRunning)) [L356] CALL processEnvironment__wrappee__highWaterSensor() [L312] int tmp ; [L315] COND TRUE ! pumpRunning [L317] CALL, EXPR isHighWaterLevel() [L435] int retValue_acc ; [L436] int tmp ; [L437] int tmp___0 ; [L441] CALL, EXPR isHighWaterSensorDry() [L147] int retValue_acc ; [L150] COND TRUE waterLevel < 2 [L151] retValue_acc = 1 [L152] return (retValue_acc); [L441] RET, EXPR isHighWaterSensorDry() [L441] tmp = isHighWaterSensorDry() [L443] COND TRUE \read(tmp) [L444] tmp___0 = 0 [L448] retValue_acc = tmp___0 [L449] return (retValue_acc); [L317] RET, EXPR isHighWaterLevel() [L317] tmp = isHighWaterLevel() [L319] COND FALSE !(\read(tmp)) [L325] FCALL processEnvironment__wrappee__base() [L356] RET processEnvironment__wrappee__highWaterSensor() [L292] RET processEnvironment() [L298] CALL __utac_acc__Specification4_spec__1() [L574] int tmp ; [L575] int tmp___0 ; [L579] CALL, EXPR getWaterLevel() [L138] int retValue_acc ; [L141] retValue_acc = waterLevel [L142] return (retValue_acc); [L579] RET, EXPR getWaterLevel() [L579] tmp = getWaterLevel() [L581] COND FALSE !(tmp == 0) [L298] RET __utac_acc__Specification4_spec__1() [L526] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 485]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L67] int waterLevel = 1; [L68] int methaneLevelCritical = 0; [L170] int cleanupTimeShifts = 4; [L275] int pumpRunning = 0; [L276] int systemActive = 1; [L768] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L249] int retValue_acc ; [L250] int tmp ; [L254] FCALL select_helpers() [L255] FCALL select_features() [L256] CALL, EXPR valid_product() [L564] int retValue_acc ; [L567] retValue_acc = 1 [L568] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L256] RET, EXPR valid_product() [L256] tmp = valid_product() [L258] COND TRUE \read(tmp) [L260] FCALL setup() [L261] CALL runTest() [L240] CALL test() [L474] int splverifierCounter ; [L475] int tmp ; [L476] int tmp___0 ; [L477] int tmp___1 ; [L478] int tmp___2 ; [L481] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L485] COND TRUE splverifierCounter < 4 [L491] tmp = __VERIFIER_nondet_int() [L493] COND FALSE !(\read(tmp)) [L501] tmp___0 = __VERIFIER_nondet_int() [L503] COND FALSE !(\read(tmp___0)) [L511] tmp___2 = __VERIFIER_nondet_int() [L513] COND TRUE \read(tmp___2) [L526] CALL timeShift() [L283] COND FALSE !(\read(pumpRunning)) [L290] COND TRUE \read(systemActive) [L292] CALL processEnvironment() [L338] int tmp ; [L341] COND FALSE !(\read(pumpRunning)) [L356] CALL processEnvironment__wrappee__highWaterSensor() [L312] int tmp ; [L315] COND TRUE ! pumpRunning [L317] CALL, EXPR isHighWaterLevel() [L435] int retValue_acc ; [L436] int tmp ; [L437] int tmp___0 ; [L441] CALL, EXPR isHighWaterSensorDry() [L147] int retValue_acc ; [L150] COND TRUE waterLevel < 2 [L151] retValue_acc = 1 [L152] return (retValue_acc); [L441] RET, EXPR isHighWaterSensorDry() [L441] tmp = isHighWaterSensorDry() [L443] COND TRUE \read(tmp) [L444] tmp___0 = 0 [L448] retValue_acc = tmp___0 [L449] return (retValue_acc); [L317] RET, EXPR isHighWaterLevel() [L317] tmp = isHighWaterLevel() [L319] COND FALSE !(\read(tmp)) [L325] FCALL processEnvironment__wrappee__base() [L356] RET processEnvironment__wrappee__highWaterSensor() [L292] RET processEnvironment() [L298] CALL __utac_acc__Specification4_spec__1() [L574] int tmp ; [L575] int tmp___0 ; [L579] CALL, EXPR getWaterLevel() [L138] int retValue_acc ; [L141] retValue_acc = waterLevel [L142] return (retValue_acc); [L579] RET, EXPR getWaterLevel() [L579] tmp = getWaterLevel() [L581] COND FALSE !(tmp == 0) [L298] RET __utac_acc__Specification4_spec__1() [L526] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-24 00:39:25,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d92887a-d848-4919-b3ad-bc5d71829549/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 00:39:25,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d92887a-d848-4919-b3ad-bc5d71829549/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 00:39:26,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d92887a-d848-4919-b3ad-bc5d71829549/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)