./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product24.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_c5ffe743-0d06-4881-bcfc-81a781388220/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ffe743-0d06-4881-bcfc-81a781388220/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_c5ffe743-0d06-4881-bcfc-81a781388220/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ffe743-0d06-4881-bcfc-81a781388220/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ffe743-0d06-4881-bcfc-81a781388220/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_c5ffe743-0d06-4881-bcfc-81a781388220/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 31d3a3aeaf14432da9165203c4752dfec5aaba4c58389408b391b2b6f44be3f5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:30:26,468 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:30:26,579 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ffe743-0d06-4881-bcfc-81a781388220/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-23 23:30:26,586 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:30:26,586 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:30:26,617 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:30:26,618 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:30:26,618 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:30:26,619 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:30:26,619 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:30:26,620 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:30:26,620 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:30:26,620 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:30:26,620 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-23 23:30:26,621 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-23 23:30:26,621 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-23 23:30:26,621 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-23 23:30:26,621 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-23 23:30:26,621 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-23 23:30:26,621 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:30:26,622 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-23 23:30:26,622 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:30:26,622 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:30:26,622 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:30:26,622 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:30:26,622 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-23 23:30:26,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-23 23:30:26,622 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-23 23:30:26,622 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 23:30:26,623 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:30:26,623 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:30:26,623 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-23 23:30:26,623 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:30:26,623 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:30:26,623 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:30:26,623 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:30:26,623 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:30:26,624 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-23 23:30:26,626 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-23 23:30:26,626 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_c5ffe743-0d06-4881-bcfc-81a781388220/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 -> 31d3a3aeaf14432da9165203c4752dfec5aaba4c58389408b391b2b6f44be3f5 [2024-11-23 23:30:27,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:30:27,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:30:27,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:30:27,088 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:30:27,089 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:30:27,091 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ffe743-0d06-4881-bcfc-81a781388220/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c [2024-11-23 23:30:31,202 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ffe743-0d06-4881-bcfc-81a781388220/bin/uautomizer-verify-LYvppIcaGC/data/205141dd7/6b1792c2d5c5431d9a0ed268045a1e0f/FLAGc257f8a6a [2024-11-23 23:30:31,639 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:30:31,640 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ffe743-0d06-4881-bcfc-81a781388220/sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c [2024-11-23 23:30:31,657 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ffe743-0d06-4881-bcfc-81a781388220/bin/uautomizer-verify-LYvppIcaGC/data/205141dd7/6b1792c2d5c5431d9a0ed268045a1e0f/FLAGc257f8a6a [2024-11-23 23:30:31,677 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ffe743-0d06-4881-bcfc-81a781388220/bin/uautomizer-verify-LYvppIcaGC/data/205141dd7/6b1792c2d5c5431d9a0ed268045a1e0f [2024-11-23 23:30:31,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:30:31,683 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:30:31,687 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:30:31,687 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:30:31,692 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:30:31,693 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:30:31" (1/1) ... [2024-11-23 23:30:31,694 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ab4b272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:31, skipping insertion in model container [2024-11-23 23:30:31,696 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:30:31" (1/1) ... [2024-11-23 23:30:31,745 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:30:32,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:30:32,138 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:30:32,150 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-23 23:30:32,152 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] [2024-11-23 23:30:32,152 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [511] [2024-11-23 23:30:32,153 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [539] [2024-11-23 23:30:32,153 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [548] [2024-11-23 23:30:32,153 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [621] [2024-11-23 23:30:32,153 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [721] [2024-11-23 23:30:32,154 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [924] [2024-11-23 23:30:32,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:30:32,303 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:30:32,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:32 WrapperNode [2024-11-23 23:30:32,305 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:30:32,308 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:30:32,309 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:30:32,310 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:30:32,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:32" (1/1) ... [2024-11-23 23:30:32,338 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:32" (1/1) ... [2024-11-23 23:30:32,383 INFO L138 Inliner]: procedures = 55, calls = 101, calls flagged for inlining = 54, calls inlined = 83, statements flattened = 515 [2024-11-23 23:30:32,384 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:30:32,384 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:30:32,385 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:30:32,385 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:30:32,397 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:32" (1/1) ... [2024-11-23 23:30:32,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:32" (1/1) ... [2024-11-23 23:30:32,401 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:32" (1/1) ... [2024-11-23 23:30:32,419 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 23:30:32,419 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:32" (1/1) ... [2024-11-23 23:30:32,420 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:32" (1/1) ... [2024-11-23 23:30:32,429 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:32" (1/1) ... [2024-11-23 23:30:32,431 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:32" (1/1) ... [2024-11-23 23:30:32,438 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:32" (1/1) ... [2024-11-23 23:30:32,440 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:32" (1/1) ... [2024-11-23 23:30:32,445 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:32" (1/1) ... [2024-11-23 23:30:32,452 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:30:32,453 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:30:32,457 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:30:32,457 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:30:32,458 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:32" (1/1) ... [2024-11-23 23:30:32,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:30:32,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ffe743-0d06-4881-bcfc-81a781388220/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:30:32,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ffe743-0d06-4881-bcfc-81a781388220/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:30:32,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ffe743-0d06-4881-bcfc-81a781388220/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-23 23:30:32,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:30:32,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:30:32,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:30:32,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:30:32,643 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:30:32,646 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:30:33,219 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-11-23 23:30:33,219 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:30:33,234 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:30:33,235 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-23 23:30:33,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:30:33 BoogieIcfgContainer [2024-11-23 23:30:33,235 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:30:33,237 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-23 23:30:33,237 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-23 23:30:33,245 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-23 23:30:33,246 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 23:30:33,247 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 11:30:31" (1/3) ... [2024-11-23 23:30:33,248 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26376431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 11:30:33, skipping insertion in model container [2024-11-23 23:30:33,248 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 23:30:33,249 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:30:32" (2/3) ... [2024-11-23 23:30:33,249 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26376431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 11:30:33, skipping insertion in model container [2024-11-23 23:30:33,249 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 23:30:33,249 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:30:33" (3/3) ... [2024-11-23 23:30:33,251 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product24.cil.c [2024-11-23 23:30:33,321 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-23 23:30:33,321 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-23 23:30:33,321 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-23 23:30:33,321 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-23 23:30:33,321 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-23 23:30:33,322 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-23 23:30:33,322 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-23 23:30:33,322 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-23 23:30:33,329 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 156 states, 155 states have (on average 1.3419354838709678) internal successors, (208), 155 states have internal predecessors, (208), 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 23:30:33,358 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101 [2024-11-23 23:30:33,359 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 23:30:33,359 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 23:30:33,367 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:30:33,367 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 23:30:33,367 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-23 23:30:33,368 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 156 states, 155 states have (on average 1.3419354838709678) internal successors, (208), 155 states have internal predecessors, (208), 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 23:30:33,376 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101 [2024-11-23 23:30:33,376 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 23:30:33,376 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 23:30:33,377 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:30:33,377 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 23:30:33,399 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;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret38#1, main_~retValue_acc~6#1, main_~tmp~5#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~5#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1;" "main_#t~ret38#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret38#1;havoc main_#t~ret38#1;" "assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#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___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-23 23:30:33,400 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet34#1;test_~tmp~4#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet35#1;test_~tmp___0~1#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet36#1;test_~tmp___2~0#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret32#1, __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~3#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#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__Specification1_spec__1_#t~ret32#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~3#1 := __utac_acc__Specification1_spec__1_#t~ret32#1;havoc __utac_acc__Specification1_spec__1_#t~ret32#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret32#1, __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-23 23:30:33,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:30:33,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-23 23:30:33,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:30:33,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137121016] [2024-11-23 23:30:33,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:30:33,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:30:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:30:33,548 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:30:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:30:33,603 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 23:30:33,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:30:33,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1825227279, now seen corresponding path program 1 times [2024-11-23 23:30:33,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:30:33,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444107055] [2024-11-23 23:30:33,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:30:33,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:30:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:30:33,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-23 23:30:33,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444107055] [2024-11-23 23:30:33,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444107055] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:30:33,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650714953] [2024-11-23 23:30:33,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:30:33,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:30:33,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ffe743-0d06-4881-bcfc-81a781388220/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:30:33,762 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ffe743-0d06-4881-bcfc-81a781388220/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:30:33,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ffe743-0d06-4881-bcfc-81a781388220/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:30:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:30:33,843 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:30:33,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:30:33,883 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:30:33,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1650714953] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:30:33,918 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:30:33,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-23 23:30:33,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647863715] [2024-11-23 23:30:33,922 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:30:33,927 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-23 23:30:33,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-23 23:30:33,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:30:33,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:30:33,970 INFO L87 Difference]: Start difference. First operand has 156 states, 155 states have (on average 1.3419354838709678) internal successors, (208), 155 states have internal predecessors, (208), 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 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 23:30:34,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:30:34,079 INFO L93 Difference]: Finished difference Result 291 states and 377 transitions. [2024-11-23 23:30:34,080 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 291 states and 377 transitions. [2024-11-23 23:30:34,090 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 188 [2024-11-23 23:30:34,104 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 291 states to 271 states and 356 transitions. [2024-11-23 23:30:34,107 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 271 [2024-11-23 23:30:34,108 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 271 [2024-11-23 23:30:34,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 271 states and 356 transitions. [2024-11-23 23:30:34,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 23:30:34,111 INFO L218 hiAutomatonCegarLoop]: Abstraction has 271 states and 356 transitions. [2024-11-23 23:30:34,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states and 356 transitions. [2024-11-23 23:30:34,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 268. [2024-11-23 23:30:34,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 268 states have (on average 1.3134328358208955) internal successors, (352), 267 states have internal predecessors, (352), 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 23:30:34,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 352 transitions. [2024-11-23 23:30:34,178 INFO L240 hiAutomatonCegarLoop]: Abstraction has 268 states and 352 transitions. [2024-11-23 23:30:34,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:30:34,188 INFO L425 stractBuchiCegarLoop]: Abstraction has 268 states and 352 transitions. [2024-11-23 23:30:34,190 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-23 23:30:34,191 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 268 states and 352 transitions. [2024-11-23 23:30:34,197 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 185 [2024-11-23 23:30:34,197 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 23:30:34,197 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 23:30:34,197 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:30:34,197 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 23:30:34,198 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;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret38#1, main_~retValue_acc~6#1, main_~tmp~5#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~5#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1;" "main_#t~ret38#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret38#1;havoc main_#t~ret38#1;" "assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#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___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-23 23:30:34,198 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet34#1;test_~tmp~4#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet35#1;test_~tmp___0~1#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet36#1;test_~tmp___2~0#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret39#1, processEnvironment__wrappee__lowWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~6#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__lowWaterSensor_#t~ret39#1, processEnvironment__wrappee__lowWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true;" "havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret32#1, __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~3#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#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__Specification1_spec__1_#t~ret32#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~3#1 := __utac_acc__Specification1_spec__1_#t~ret32#1;havoc __utac_acc__Specification1_spec__1_#t~ret32#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret32#1, __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-23 23:30:34,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:30:34,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-23 23:30:34,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:30:34,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476428518] [2024-11-23 23:30:34,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:30:34,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:30:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:30:34,227 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:30:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:30:34,250 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 23:30:34,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:30:34,253 INFO L85 PathProgramCache]: Analyzing trace with hash -926525022, now seen corresponding path program 1 times [2024-11-23 23:30:34,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:30:34,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639426552] [2024-11-23 23:30:34,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:30:34,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:30:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:30:34,266 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:30:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:30:34,276 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 23:30:34,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:30:34,278 INFO L85 PathProgramCache]: Analyzing trace with hash -474855842, now seen corresponding path program 1 times [2024-11-23 23:30:34,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:30:34,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168160998] [2024-11-23 23:30:34,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:30:34,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:30:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:30:34,314 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:30:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:30:34,348 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 23:30:35,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:30:35,842 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:30:35,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:30:35,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 11:30:35 BoogieIcfgContainer [2024-11-23 23:30:35,907 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-23 23:30:35,908 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:30:35,908 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:30:35,909 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:30:35,910 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:30:33" (3/4) ... [2024-11-23 23:30:35,912 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-23 23:30:35,957 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ffe743-0d06-4881-bcfc-81a781388220/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 23:30:35,957 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:30:35,959 INFO L158 Benchmark]: Toolchain (without parser) took 4275.90ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 62.2MB in the end (delta: 29.4MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2024-11-23 23:30:35,959 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 72.9MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:30:35,959 INFO L158 Benchmark]: CACSL2BoogieTranslator took 619.56ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 73.1MB in the end (delta: 18.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:30:35,960 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.69ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 70.2MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:30:35,960 INFO L158 Benchmark]: Boogie Preprocessor took 68.29ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 67.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:30:35,961 INFO L158 Benchmark]: RCFGBuilder took 782.26ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 44.2MB in the end (delta: 23.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 23:30:35,961 INFO L158 Benchmark]: BuchiAutomizer took 2670.70ms. Allocated memory is still 117.4MB. Free memory was 44.0MB in the beginning and 64.2MB in the end (delta: -20.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:30:35,961 INFO L158 Benchmark]: Witness Printer took 49.29ms. Allocated memory is still 117.4MB. Free memory was 64.2MB in the beginning and 62.2MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:30:35,963 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 72.9MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 619.56ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 73.1MB in the end (delta: 18.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.69ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 70.2MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.29ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 67.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 782.26ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 44.2MB in the end (delta: 23.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 2670.70ms. Allocated memory is still 117.4MB. Free memory was 44.0MB in the beginning and 64.2MB in the end (delta: -20.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 49.29ms. Allocated memory is still 117.4MB. Free memory was 64.2MB in the beginning and 62.2MB in the end (delta: 2.1MB). 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] - GenericResultAtLocation [Line: 511]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [511] - GenericResultAtLocation [Line: 539]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [539] - GenericResultAtLocation [Line: 548]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [548] - GenericResultAtLocation [Line: 621]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [621] - GenericResultAtLocation [Line: 721]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [721] - GenericResultAtLocation [Line: 924]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [924] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 268 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 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, 185 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 185 mSDsluCounter, 379 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 178 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 201 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: 565]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L423] int waterLevel = 1; [L424] int methaneLevelCritical = 0; [L622] int cleanupTimeShifts = 4; [L724] int pumpRunning = 0; [L725] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L699] int retValue_acc ; [L700] int tmp ; [L704] FCALL select_helpers() [L705] FCALL select_features() [L706] CALL, EXPR valid_product() [L951] int retValue_acc ; [L954] retValue_acc = 1 [L955] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L706] RET, EXPR valid_product() [L706] tmp = valid_product() [L708] COND TRUE \read(tmp) [L710] FCALL setup() [L711] CALL runTest() [L690] CALL test() [L554] int splverifierCounter ; [L555] int tmp ; [L556] int tmp___0 ; [L557] int tmp___1 ; [L558] int tmp___2 ; [L561] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L565] COND TRUE splverifierCounter < 4 [L571] tmp = __VERIFIER_nondet_int() [L573] COND FALSE !(\read(tmp)) [L581] tmp___0 = __VERIFIER_nondet_int() [L583] COND FALSE !(\read(tmp___0)) [L591] tmp___2 = __VERIFIER_nondet_int() [L593] COND TRUE \read(tmp___2) [L595] CALL startSystem() [L920] systemActive = 1 [L595] RET startSystem() [L610] CALL timeShift() [L731] COND FALSE !(\read(pumpRunning)) [L738] COND TRUE \read(systemActive) [L740] CALL processEnvironment() [L786] int tmp ; [L789] COND FALSE !(\read(pumpRunning)) [L804] CALL processEnvironment__wrappee__lowWaterSensor() [L760] int tmp ; [L763] COND FALSE !(\read(pumpRunning)) [L778] FCALL processEnvironment__wrappee__base() [L804] RET processEnvironment__wrappee__lowWaterSensor() [L740] RET processEnvironment() [L746] CALL __utac_acc__Specification1_spec__1() [L515] int tmp ; [L516] int tmp___0 ; [L520] CALL, EXPR isMethaneLevelCritical() [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] return (retValue_acc); [L520] RET, EXPR isMethaneLevelCritical() [L520] tmp = isMethaneLevelCritical() [L522] COND FALSE !(\read(tmp)) [L746] RET __utac_acc__Specification1_spec__1() [L610] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 565]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L423] int waterLevel = 1; [L424] int methaneLevelCritical = 0; [L622] int cleanupTimeShifts = 4; [L724] int pumpRunning = 0; [L725] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L699] int retValue_acc ; [L700] int tmp ; [L704] FCALL select_helpers() [L705] FCALL select_features() [L706] CALL, EXPR valid_product() [L951] int retValue_acc ; [L954] retValue_acc = 1 [L955] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L706] RET, EXPR valid_product() [L706] tmp = valid_product() [L708] COND TRUE \read(tmp) [L710] FCALL setup() [L711] CALL runTest() [L690] CALL test() [L554] int splverifierCounter ; [L555] int tmp ; [L556] int tmp___0 ; [L557] int tmp___1 ; [L558] int tmp___2 ; [L561] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L565] COND TRUE splverifierCounter < 4 [L571] tmp = __VERIFIER_nondet_int() [L573] COND FALSE !(\read(tmp)) [L581] tmp___0 = __VERIFIER_nondet_int() [L583] COND FALSE !(\read(tmp___0)) [L591] tmp___2 = __VERIFIER_nondet_int() [L593] COND TRUE \read(tmp___2) [L595] CALL startSystem() [L920] systemActive = 1 [L595] RET startSystem() [L610] CALL timeShift() [L731] COND FALSE !(\read(pumpRunning)) [L738] COND TRUE \read(systemActive) [L740] CALL processEnvironment() [L786] int tmp ; [L789] COND FALSE !(\read(pumpRunning)) [L804] CALL processEnvironment__wrappee__lowWaterSensor() [L760] int tmp ; [L763] COND FALSE !(\read(pumpRunning)) [L778] FCALL processEnvironment__wrappee__base() [L804] RET processEnvironment__wrappee__lowWaterSensor() [L740] RET processEnvironment() [L746] CALL __utac_acc__Specification1_spec__1() [L515] int tmp ; [L516] int tmp___0 ; [L520] CALL, EXPR isMethaneLevelCritical() [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] return (retValue_acc); [L520] RET, EXPR isMethaneLevelCritical() [L520] tmp = isMethaneLevelCritical() [L522] COND FALSE !(\read(tmp)) [L746] RET __utac_acc__Specification1_spec__1() [L610] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-23 23:30:35,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ffe743-0d06-4881-bcfc-81a781388220/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 23:30:36,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5ffe743-0d06-4881-bcfc-81a781388220/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)