./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product08.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_32c91445-e478-4ee5-97d4-adaa2af193f7/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c91445-e478-4ee5-97d4-adaa2af193f7/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_32c91445-e478-4ee5-97d4-adaa2af193f7/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c91445-e478-4ee5-97d4-adaa2af193f7/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c91445-e478-4ee5-97d4-adaa2af193f7/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_32c91445-e478-4ee5-97d4-adaa2af193f7/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 f2656148601f1263a8e24b75d9059e08eab7a1ff3676ef4340768cc6aab19236 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:34:49,110 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:34:49,206 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c91445-e478-4ee5-97d4-adaa2af193f7/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-23 18:34:49,213 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:34:49,214 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:34:49,254 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:34:49,255 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:34:49,255 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:34:49,255 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:34:49,256 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:34:49,257 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:34:49,257 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:34:49,258 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:34:49,258 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-23 18:34:49,258 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-23 18:34:49,258 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-23 18:34:49,258 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-23 18:34:49,259 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-23 18:34:49,259 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-23 18:34:49,259 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:34:49,259 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-23 18:34:49,259 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 18:34:49,259 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 18:34:49,259 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 18:34:49,259 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:34:49,259 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-23 18:34:49,259 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-23 18:34:49,260 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-23 18:34:49,260 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 18:34:49,260 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 18:34:49,260 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:34:49,260 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-23 18:34:49,260 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:34:49,260 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:34:49,260 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:34:49,260 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:34:49,260 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:34:49,261 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-23 18:34:49,261 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-23 18:34:49,261 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_32c91445-e478-4ee5-97d4-adaa2af193f7/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 -> f2656148601f1263a8e24b75d9059e08eab7a1ff3676ef4340768cc6aab19236 [2024-11-23 18:34:49,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:34:49,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:34:49,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:34:49,600 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:34:49,601 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:34:49,602 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c91445-e478-4ee5-97d4-adaa2af193f7/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c [2024-11-23 18:34:52,520 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c91445-e478-4ee5-97d4-adaa2af193f7/bin/uautomizer-verify-LYvppIcaGC/data/d7e4f876b/d4e2b462ff2748279deed5b9b84b372b/FLAGa2fd7d731 [2024-11-23 18:34:52,927 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:34:52,931 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c91445-e478-4ee5-97d4-adaa2af193f7/sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c [2024-11-23 18:34:52,944 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c91445-e478-4ee5-97d4-adaa2af193f7/bin/uautomizer-verify-LYvppIcaGC/data/d7e4f876b/d4e2b462ff2748279deed5b9b84b372b/FLAGa2fd7d731 [2024-11-23 18:34:53,091 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c91445-e478-4ee5-97d4-adaa2af193f7/bin/uautomizer-verify-LYvppIcaGC/data/d7e4f876b/d4e2b462ff2748279deed5b9b84b372b [2024-11-23 18:34:53,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:34:53,097 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:34:53,098 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:34:53,098 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:34:53,103 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:34:53,104 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:34:53" (1/1) ... [2024-11-23 18:34:53,104 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d6e67e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:53, skipping insertion in model container [2024-11-23 18:34:53,105 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:34:53" (1/1) ... [2024-11-23 18:34:53,155 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:34:53,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:34:53,487 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:34:53,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [49] [2024-11-23 18:34:53,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [87] [2024-11-23 18:34:53,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [453] [2024-11-23 18:34:53,497 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [537] [2024-11-23 18:34:53,497 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [546] [2024-11-23 18:34:53,497 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [619] [2024-11-23 18:34:53,497 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [778] [2024-11-23 18:34:53,497 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [816] [2024-11-23 18:34:53,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:34:53,605 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:34:53,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:53 WrapperNode [2024-11-23 18:34:53,606 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:34:53,607 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:34:53,608 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:34:53,608 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:34:53,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:53" (1/1) ... [2024-11-23 18:34:53,631 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:53" (1/1) ... [2024-11-23 18:34:53,668 INFO L138 Inliner]: procedures = 52, calls = 97, calls flagged for inlining = 50, calls inlined = 56, statements flattened = 350 [2024-11-23 18:34:53,669 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:34:53,669 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:34:53,669 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:34:53,670 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:34:53,679 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:53" (1/1) ... [2024-11-23 18:34:53,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:53" (1/1) ... [2024-11-23 18:34:53,682 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:53" (1/1) ... [2024-11-23 18:34:53,695 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]. [2024-11-23 18:34:53,696 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:53" (1/1) ... [2024-11-23 18:34:53,696 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:53" (1/1) ... [2024-11-23 18:34:53,701 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:53" (1/1) ... [2024-11-23 18:34:53,703 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:53" (1/1) ... [2024-11-23 18:34:53,707 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:53" (1/1) ... [2024-11-23 18:34:53,709 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:53" (1/1) ... [2024-11-23 18:34:53,710 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:53" (1/1) ... [2024-11-23 18:34:53,712 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:34:53,713 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:34:53,713 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:34:53,714 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:34:53,715 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:53" (1/1) ... [2024-11-23 18:34:53,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 18:34:53,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c91445-e478-4ee5-97d4-adaa2af193f7/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:34:53,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c91445-e478-4ee5-97d4-adaa2af193f7/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 18:34:53,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c91445-e478-4ee5-97d4-adaa2af193f7/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-23 18:34:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:34:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 18:34:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:34:53,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:34:53,844 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:34:53,846 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:34:54,249 INFO L? ?]: Removed 73 outVars from TransFormulas that were not future-live. [2024-11-23 18:34:54,250 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:34:54,265 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:34:54,267 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-23 18:34:54,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:34:54 BoogieIcfgContainer [2024-11-23 18:34:54,268 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:34:54,269 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-23 18:34:54,269 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-23 18:34:54,274 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-23 18:34:54,275 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 18:34:54,275 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 06:34:53" (1/3) ... [2024-11-23 18:34:54,277 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36917621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 06:34:54, skipping insertion in model container [2024-11-23 18:34:54,277 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 18:34:54,278 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:53" (2/3) ... [2024-11-23 18:34:54,278 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36917621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 06:34:54, skipping insertion in model container [2024-11-23 18:34:54,278 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 18:34:54,278 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:34:54" (3/3) ... [2024-11-23 18:34:54,280 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product08.cil.c [2024-11-23 18:34:54,334 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-23 18:34:54,334 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-23 18:34:54,334 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-23 18:34:54,335 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-23 18:34:54,335 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-23 18:34:54,335 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-23 18:34:54,335 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-23 18:34:54,335 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-23 18:34:54,341 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 108 states, 107 states have (on average 1.355140186915888) internal successors, (145), 107 states have internal predecessors, (145), 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) [2024-11-23 18:34:54,364 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2024-11-23 18:34:54,364 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 18:34:54,364 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 18:34:54,370 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:34:54,371 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:34:54,371 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-23 18:34:54,371 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 108 states, 107 states have (on average 1.355140186915888) internal successors, (145), 107 states have internal predecessors, (145), 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) [2024-11-23 18:34:54,376 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2024-11-23 18:34:54,376 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 18:34:54,376 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 18:34:54,377 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:34:54,377 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:34:54,382 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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#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~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1;" "main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret50#1;havoc main_#t~ret50#1;" "assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-23 18:34:54,382 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet35#1;test_~tmp~4#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet36#1;test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet37#1;test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet38#1;test_~tmp___1~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume !(0 != test_~tmp___1~1#1);" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1;" "__utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-23 18:34:54,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:34:54,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-23 18:34:54,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 18:34:54,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323300732] [2024-11-23 18:34:54,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:34:54,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:34:54,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:34:54,473 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:34:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:34:54,504 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 18:34:54,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:34:54,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1148875693, now seen corresponding path program 1 times [2024-11-23 18:34:54,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 18:34:54,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335603456] [2024-11-23 18:34:54,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:34:54,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:34:54,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:34:54,515 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:34:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:34:54,524 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 18:34:54,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:34:54,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1790672527, now seen corresponding path program 1 times [2024-11-23 18:34:54,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 18:34:54,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308129539] [2024-11-23 18:34:54,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:34:54,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:34:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:34:54,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-23 18:34:54,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308129539] [2024-11-23 18:34:54,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308129539] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:34:54,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841040844] [2024-11-23 18:34:54,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:34:54,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:34:54,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c91445-e478-4ee5-97d4-adaa2af193f7/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:34:54,782 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c91445-e478-4ee5-97d4-adaa2af193f7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:34:54,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c91445-e478-4ee5-97d4-adaa2af193f7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 18:34:54,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:34:54,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 18:34:54,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:34:54,992 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:34:55,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841040844] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:34:55,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 18:34:55,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-11-23 18:34:55,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153815060] [2024-11-23 18:34:55,069 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 18:34:55,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-23 18:34:55,219 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 18:34:55,219 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:34:55,222 INFO L87 Difference]: Start difference. First operand has 108 states, 107 states have (on average 1.355140186915888) internal successors, (145), 107 states have internal predecessors, (145), 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 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 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) [2024-11-23 18:34:55,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:34:55,394 INFO L93 Difference]: Finished difference Result 264 states and 339 transitions. [2024-11-23 18:34:55,398 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 264 states and 339 transitions. [2024-11-23 18:34:55,409 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 169 [2024-11-23 18:34:55,425 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 264 states to 234 states and 309 transitions. [2024-11-23 18:34:55,426 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 234 [2024-11-23 18:34:55,428 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 234 [2024-11-23 18:34:55,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 234 states and 309 transitions. [2024-11-23 18:34:55,433 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 18:34:55,433 INFO L218 hiAutomatonCegarLoop]: Abstraction has 234 states and 309 transitions. [2024-11-23 18:34:55,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states and 309 transitions. [2024-11-23 18:34:55,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 148. [2024-11-23 18:34:55,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 148 states have (on average 1.3243243243243243) internal successors, (196), 147 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) [2024-11-23 18:34:55,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 196 transitions. [2024-11-23 18:34:55,465 INFO L240 hiAutomatonCegarLoop]: Abstraction has 148 states and 196 transitions. [2024-11-23 18:34:55,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:34:55,471 INFO L425 stractBuchiCegarLoop]: Abstraction has 148 states and 196 transitions. [2024-11-23 18:34:55,471 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-23 18:34:55,471 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 148 states and 196 transitions. [2024-11-23 18:34:55,474 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 105 [2024-11-23 18:34:55,474 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 18:34:55,474 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 18:34:55,474 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:34:55,474 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] [2024-11-23 18:34:55,475 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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#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~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1;" "main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret50#1;havoc main_#t~ret50#1;" "assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-23 18:34:55,475 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet35#1;test_~tmp~4#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet36#1;test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet37#1;test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet38#1;test_~tmp___1~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume !(0 != test_~tmp___1~1#1);" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1;" "__utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-23 18:34:55,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:34:55,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-23 18:34:55,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 18:34:55,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184021965] [2024-11-23 18:34:55,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:34:55,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:34:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:34:55,501 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:34:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:34:55,511 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 18:34:55,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:34:55,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1120459625, now seen corresponding path program 1 times [2024-11-23 18:34:55,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 18:34:55,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385597149] [2024-11-23 18:34:55,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:34:55,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:34:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:34:55,519 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:34:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:34:55,525 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 18:34:55,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:34:55,526 INFO L85 PathProgramCache]: Analyzing trace with hash -872364251, now seen corresponding path program 1 times [2024-11-23 18:34:55,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 18:34:55,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897962094] [2024-11-23 18:34:55,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:34:55,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:34:55,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:34:55,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-23 18:34:55,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897962094] [2024-11-23 18:34:55,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897962094] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:34:55,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989847382] [2024-11-23 18:34:55,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:34:55,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:34:55,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c91445-e478-4ee5-97d4-adaa2af193f7/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:34:55,753 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c91445-e478-4ee5-97d4-adaa2af193f7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:34:55,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c91445-e478-4ee5-97d4-adaa2af193f7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 18:34:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:34:55,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-23 18:34:55,859 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:34:55,930 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:34:56,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989847382] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:34:56,004 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 18:34:56,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-11-23 18:34:56,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173056366] [2024-11-23 18:34:56,004 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 18:34:56,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-23 18:34:56,066 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:34:56,066 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:34:56,067 INFO L87 Difference]: Start difference. First operand 148 states and 196 transitions. cyclomatic complexity: 51 Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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) [2024-11-23 18:34:56,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:34:56,194 INFO L93 Difference]: Finished difference Result 289 states and 377 transitions. [2024-11-23 18:34:56,194 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 289 states and 377 transitions. [2024-11-23 18:34:56,198 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 210 [2024-11-23 18:34:56,200 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 289 states to 289 states and 377 transitions. [2024-11-23 18:34:56,200 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 289 [2024-11-23 18:34:56,201 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 289 [2024-11-23 18:34:56,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 289 states and 377 transitions. [2024-11-23 18:34:56,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 18:34:56,202 INFO L218 hiAutomatonCegarLoop]: Abstraction has 289 states and 377 transitions. [2024-11-23 18:34:56,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states and 377 transitions. [2024-11-23 18:34:56,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2024-11-23 18:34:56,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 289 states have (on average 1.3044982698961938) internal successors, (377), 288 states have internal predecessors, (377), 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) [2024-11-23 18:34:56,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 377 transitions. [2024-11-23 18:34:56,216 INFO L240 hiAutomatonCegarLoop]: Abstraction has 289 states and 377 transitions. [2024-11-23 18:34:56,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:34:56,217 INFO L425 stractBuchiCegarLoop]: Abstraction has 289 states and 377 transitions. [2024-11-23 18:34:56,217 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-23 18:34:56,217 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 289 states and 377 transitions. [2024-11-23 18:34:56,219 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 210 [2024-11-23 18:34:56,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 18:34:56,219 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 18:34:56,220 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:34:56,220 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] [2024-11-23 18:34:56,220 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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#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~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1;" "main_#t~ret50#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret50#1;havoc main_#t~ret50#1;" "assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-23 18:34:56,220 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet35#1;test_~tmp~4#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet36#1;test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet37#1;test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet38#1;test_~tmp___1~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume !(0 != test_~tmp___1~1#1);" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1;" "__utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1;" "assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1;" "__utac_acc__Specification3_spec__1_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1;" "assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1);" "havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-23 18:34:56,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:34:56,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-23 18:34:56,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 18:34:56,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690190699] [2024-11-23 18:34:56,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:34:56,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:34:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:34:56,229 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:34:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:34:56,274 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 18:34:56,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:34:56,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1273899746, now seen corresponding path program 1 times [2024-11-23 18:34:56,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 18:34:56,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737910854] [2024-11-23 18:34:56,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:34:56,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:34:56,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:34:56,295 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:34:56,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:34:56,300 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 18:34:56,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:34:56,304 INFO L85 PathProgramCache]: Analyzing trace with hash -822230566, now seen corresponding path program 1 times [2024-11-23 18:34:56,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 18:34:56,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376824409] [2024-11-23 18:34:56,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:34:56,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:34:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:34:56,327 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:34:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:34:56,349 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 18:34:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:34:57,499 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:34:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:34:57,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 06:34:57 BoogieIcfgContainer [2024-11-23 18:34:57,581 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-23 18:34:57,582 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 18:34:57,582 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 18:34:57,582 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 18:34:57,583 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:34:54" (3/4) ... [2024-11-23 18:34:57,585 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-23 18:34:57,640 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c91445-e478-4ee5-97d4-adaa2af193f7/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 18:34:57,640 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 18:34:57,642 INFO L158 Benchmark]: Toolchain (without parser) took 4545.16ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 105.4MB in the beginning and 254.4MB in the end (delta: -149.0MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2024-11-23 18:34:57,645 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:34:57,645 INFO L158 Benchmark]: CACSL2BoogieTranslator took 508.25ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 87.4MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 18:34:57,646 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.97ms. Allocated memory is still 142.6MB. Free memory was 87.4MB in the beginning and 85.0MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:34:57,646 INFO L158 Benchmark]: Boogie Preprocessor took 43.17ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 82.8MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:34:57,646 INFO L158 Benchmark]: RCFGBuilder took 554.73ms. Allocated memory is still 142.6MB. Free memory was 82.8MB in the beginning and 63.7MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 18:34:57,646 INFO L158 Benchmark]: BuchiAutomizer took 3312.53ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 63.7MB in the beginning and 257.4MB in the end (delta: -193.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:34:57,647 INFO L158 Benchmark]: Witness Printer took 58.66ms. Allocated memory is still 335.5MB. Free memory was 257.4MB in the beginning and 254.4MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:34:57,652 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 508.25ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 87.4MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.97ms. Allocated memory is still 142.6MB. Free memory was 87.4MB in the beginning and 85.0MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.17ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 82.8MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 554.73ms. Allocated memory is still 142.6MB. Free memory was 82.8MB in the beginning and 63.7MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3312.53ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 63.7MB in the beginning and 257.4MB in the end (delta: -193.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 58.66ms. Allocated memory is still 335.5MB. Free memory was 257.4MB in the beginning and 254.4MB in the end (delta: 3.0MB). There was no memory consumed. 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,"Specification3_spec.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [87] - GenericResultAtLocation [Line: 453]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [453] - GenericResultAtLocation [Line: 537]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [537] - GenericResultAtLocation [Line: 546]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [546] - GenericResultAtLocation [Line: 619]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [619] - GenericResultAtLocation [Line: 778]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [778] - GenericResultAtLocation [Line: 816]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [816] * 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 289 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 86 StatesRemovedByMinimization, 1 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, 323 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 323 mSDsluCounter, 1182 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 949 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 109 IncrementalHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 233 mSDtfsCounter, 109 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 563]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L458] int waterLevel = 1; [L459] int methaneLevelCritical = 0; [L623] int pumpRunning = 0; [L624] int systemActive = 1; [L817] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L890] int retValue_acc ; [L891] int tmp ; [L895] FCALL select_helpers() [L896] FCALL select_features() [L897] CALL, EXPR valid_product() [L808] int retValue_acc ; [L811] retValue_acc = 1 [L812] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L897] RET, EXPR valid_product() [L897] tmp = valid_product() [L899] COND TRUE \read(tmp) [L901] FCALL setup() [L902] CALL runTest() [L884] CALL test() [L552] int splverifierCounter ; [L553] int tmp ; [L554] int tmp___0 ; [L555] int tmp___1 ; [L556] int tmp___2 ; [L559] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L563] COND TRUE splverifierCounter < 4 [L569] tmp = __VERIFIER_nondet_int() [L571] COND FALSE !(\read(tmp)) [L579] tmp___0 = __VERIFIER_nondet_int() [L581] COND FALSE !(\read(tmp___0)) [L589] tmp___2 = __VERIFIER_nondet_int() [L591] COND FALSE !(\read(tmp___2)) [L597] tmp___1 = __VERIFIER_nondet_int() [L599] COND FALSE !(\read(tmp___1)) [L608] CALL timeShift() [L630] COND FALSE !(\read(pumpRunning)) [L637] COND TRUE \read(systemActive) [L639] CALL processEnvironment() [L659] int tmp ; [L662] COND FALSE !(\read(pumpRunning)) [L677] FCALL processEnvironment__wrappee__base() [L639] RET processEnvironment() [L645] CALL __utac_acc__Specification3_spec__1() [L55] int tmp ; [L56] int tmp___0 ; [L57] int tmp___1 ; [L61] CALL, EXPR isMethaneLevelCritical() [L497] int retValue_acc ; [L500] retValue_acc = methaneLevelCritical [L501] return (retValue_acc); [L61] RET, EXPR isMethaneLevelCritical() [L61] tmp = isMethaneLevelCritical() [L63] COND FALSE !(\read(tmp)) [L67] CALL, EXPR getWaterLevel() [L529] int retValue_acc ; [L532] retValue_acc = waterLevel [L533] return (retValue_acc); [L67] RET, EXPR getWaterLevel() [L67] tmp___0 = getWaterLevel() [L69] COND FALSE !(tmp___0 == 2) [L645] RET __utac_acc__Specification3_spec__1() [L608] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 563]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L458] int waterLevel = 1; [L459] int methaneLevelCritical = 0; [L623] int pumpRunning = 0; [L624] int systemActive = 1; [L817] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L890] int retValue_acc ; [L891] int tmp ; [L895] FCALL select_helpers() [L896] FCALL select_features() [L897] CALL, EXPR valid_product() [L808] int retValue_acc ; [L811] retValue_acc = 1 [L812] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L897] RET, EXPR valid_product() [L897] tmp = valid_product() [L899] COND TRUE \read(tmp) [L901] FCALL setup() [L902] CALL runTest() [L884] CALL test() [L552] int splverifierCounter ; [L553] int tmp ; [L554] int tmp___0 ; [L555] int tmp___1 ; [L556] int tmp___2 ; [L559] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L563] COND TRUE splverifierCounter < 4 [L569] tmp = __VERIFIER_nondet_int() [L571] COND FALSE !(\read(tmp)) [L579] tmp___0 = __VERIFIER_nondet_int() [L581] COND FALSE !(\read(tmp___0)) [L589] tmp___2 = __VERIFIER_nondet_int() [L591] COND FALSE !(\read(tmp___2)) [L597] tmp___1 = __VERIFIER_nondet_int() [L599] COND FALSE !(\read(tmp___1)) [L608] CALL timeShift() [L630] COND FALSE !(\read(pumpRunning)) [L637] COND TRUE \read(systemActive) [L639] CALL processEnvironment() [L659] int tmp ; [L662] COND FALSE !(\read(pumpRunning)) [L677] FCALL processEnvironment__wrappee__base() [L639] RET processEnvironment() [L645] CALL __utac_acc__Specification3_spec__1() [L55] int tmp ; [L56] int tmp___0 ; [L57] int tmp___1 ; [L61] CALL, EXPR isMethaneLevelCritical() [L497] int retValue_acc ; [L500] retValue_acc = methaneLevelCritical [L501] return (retValue_acc); [L61] RET, EXPR isMethaneLevelCritical() [L61] tmp = isMethaneLevelCritical() [L63] COND FALSE !(\read(tmp)) [L67] CALL, EXPR getWaterLevel() [L529] int retValue_acc ; [L532] retValue_acc = waterLevel [L533] return (retValue_acc); [L67] RET, EXPR getWaterLevel() [L67] tmp___0 = getWaterLevel() [L69] COND FALSE !(tmp___0 == 2) [L645] RET __utac_acc__Specification3_spec__1() [L608] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-23 18:34:57,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c91445-e478-4ee5-97d4-adaa2af193f7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 18:34:57,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c91445-e478-4ee5-97d4-adaa2af193f7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-23 18:34:58,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c91445-e478-4ee5-97d4-adaa2af193f7/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)