./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_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_8afcd687-ed77-4602-bcfe-5a5e5241f3c2/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8afcd687-ed77-4602-bcfe-5a5e5241f3c2/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_8afcd687-ed77-4602-bcfe-5a5e5241f3c2/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8afcd687-ed77-4602-bcfe-5a5e5241f3c2/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8afcd687-ed77-4602-bcfe-5a5e5241f3c2/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_8afcd687-ed77-4602-bcfe-5a5e5241f3c2/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 adc521790d868e8902785ea29b51f549e45d9404af4185d7531e4ae8ae0e6ca8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:54:53,238 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:54:53,349 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8afcd687-ed77-4602-bcfe-5a5e5241f3c2/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-24 00:54:53,355 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:54:53,355 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:54:53,396 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:54:53,398 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:54:53,398 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:54:53,399 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:54:53,399 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:54:53,401 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:54:53,401 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:54:53,402 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:54:53,402 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-24 00:54:53,402 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-24 00:54:53,402 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-24 00:54:53,402 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-24 00:54:53,403 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-24 00:54:53,403 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-24 00:54:53,403 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:54:53,404 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-24 00:54:53,404 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:54:53,404 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:54:53,404 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:54:53,404 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:54:53,404 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-24 00:54:53,404 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-24 00:54:53,405 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-24 00:54:53,405 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 00:54:53,405 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:54:53,405 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:54:53,405 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-24 00:54:53,406 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:54:53,406 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:54:53,406 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:54:53,406 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:54:53,407 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:54:53,407 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-24 00:54:53,407 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-24 00:54:53,407 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_8afcd687-ed77-4602-bcfe-5a5e5241f3c2/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 -> adc521790d868e8902785ea29b51f549e45d9404af4185d7531e4ae8ae0e6ca8 [2024-11-24 00:54:53,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:54:53,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:54:53,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:54:53,800 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:54:53,801 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:54:53,802 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8afcd687-ed77-4602-bcfe-5a5e5241f3c2/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2024-11-24 00:54:57,066 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8afcd687-ed77-4602-bcfe-5a5e5241f3c2/bin/uautomizer-verify-LYvppIcaGC/data/d503a0323/f4b16a1507024a1c9fcfe101b0f36a14/FLAG6d66413b6 [2024-11-24 00:54:57,504 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:54:57,505 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8afcd687-ed77-4602-bcfe-5a5e5241f3c2/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2024-11-24 00:54:57,519 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8afcd687-ed77-4602-bcfe-5a5e5241f3c2/bin/uautomizer-verify-LYvppIcaGC/data/d503a0323/f4b16a1507024a1c9fcfe101b0f36a14/FLAG6d66413b6 [2024-11-24 00:54:57,537 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8afcd687-ed77-4602-bcfe-5a5e5241f3c2/bin/uautomizer-verify-LYvppIcaGC/data/d503a0323/f4b16a1507024a1c9fcfe101b0f36a14 [2024-11-24 00:54:57,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:54:57,542 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:54:57,544 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:54:57,544 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:54:57,550 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:54:57,551 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:54:57" (1/1) ... [2024-11-24 00:54:57,552 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64a5ee67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:54:57, skipping insertion in model container [2024-11-24 00:54:57,555 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:54:57" (1/1) ... [2024-11-24 00:54:57,618 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:54:57,963 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:54:57,979 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:54:57,991 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2024-11-24 00:54:57,993 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [124] [2024-11-24 00:54:57,994 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [288] [2024-11-24 00:54:57,994 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [654] [2024-11-24 00:54:57,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [692] [2024-11-24 00:54:57,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [701] [2024-11-24 00:54:57,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [797] [2024-11-24 00:54:57,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [823] [2024-11-24 00:54:58,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:54:58,177 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:54:58,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:54:58 WrapperNode [2024-11-24 00:54:58,178 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:54:58,179 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:54:58,182 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:54:58,182 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:54:58,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:54:58" (1/1) ... [2024-11-24 00:54:58,217 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:54:58" (1/1) ... [2024-11-24 00:54:58,270 INFO L138 Inliner]: procedures = 52, calls = 96, calls flagged for inlining = 49, calls inlined = 53, statements flattened = 317 [2024-11-24 00:54:58,271 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:54:58,272 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:54:58,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:54:58,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:54:58,286 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:54:58" (1/1) ... [2024-11-24 00:54:58,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:54:58" (1/1) ... [2024-11-24 00:54:58,289 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:54:58" (1/1) ... [2024-11-24 00:54:58,311 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 00:54:58,311 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:54:58" (1/1) ... [2024-11-24 00:54:58,311 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:54:58" (1/1) ... [2024-11-24 00:54:58,321 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:54:58" (1/1) ... [2024-11-24 00:54:58,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:54:58" (1/1) ... [2024-11-24 00:54:58,334 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:54:58" (1/1) ... [2024-11-24 00:54:58,336 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:54:58" (1/1) ... [2024-11-24 00:54:58,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:54:58" (1/1) ... [2024-11-24 00:54:58,344 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:54:58,349 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:54:58,350 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:54:58,350 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:54:58,351 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:54:58" (1/1) ... [2024-11-24 00:54:58,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:54:58,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8afcd687-ed77-4602-bcfe-5a5e5241f3c2/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:54:58,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8afcd687-ed77-4602-bcfe-5a5e5241f3c2/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:54:58,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8afcd687-ed77-4602-bcfe-5a5e5241f3c2/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-24 00:54:58,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:54:58,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:54:58,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:54:58,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:54:58,578 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:54:58,581 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:54:59,036 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-24 00:54:59,036 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:54:59,051 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:54:59,052 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-24 00:54:59,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:54:59 BoogieIcfgContainer [2024-11-24 00:54:59,052 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:54:59,054 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-24 00:54:59,054 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-24 00:54:59,061 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-24 00:54:59,062 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:54:59,063 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.11 12:54:57" (1/3) ... [2024-11-24 00:54:59,064 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30e2deb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 12:54:59, skipping insertion in model container [2024-11-24 00:54:59,064 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:54:59,064 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:54:58" (2/3) ... [2024-11-24 00:54:59,065 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30e2deb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 12:54:59, skipping insertion in model container [2024-11-24 00:54:59,065 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:54:59,065 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:54:59" (3/3) ... [2024-11-24 00:54:59,067 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product08.cil.c [2024-11-24 00:54:59,130 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-24 00:54:59,130 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-24 00:54:59,130 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-24 00:54:59,131 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-24 00:54:59,131 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-24 00:54:59,131 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-24 00:54:59,132 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-24 00:54:59,133 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-24 00:54:59,141 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 102 states, 101 states have (on average 1.3465346534653466) internal successors, (136), 101 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:54:59,175 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2024-11-24 00:54:59,175 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:54:59,176 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:54:59,183 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:54:59,183 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:54:59,184 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-24 00:54:59,184 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 102 states, 101 states have (on average 1.3465346534653466) internal successors, (136), 101 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:54:59,190 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2024-11-24 00:54:59,191 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:54:59,191 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:54:59,192 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:54:59,192 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:54:59,198 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret42#1, main_~retValue_acc~7#1, main_~tmp~5#1;havoc main_~retValue_acc~7#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~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1;" "main_#t~ret42#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret42#1;havoc main_#t~ret42#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~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 00:54:59,199 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet7#1;test_~tmp___1~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1;" "assume !(0 != test_~tmp___1~0#1);" "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~ret43#1, __utac_acc__Specification1_spec__1_#t~ret44#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1;" "__utac_acc__Specification1_spec__1_#t~ret43#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret43#1;havoc __utac_acc__Specification1_spec__1_#t~ret43#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret43#1, __utac_acc__Specification1_spec__1_#t~ret44#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 00:54:59,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:54:59,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-24 00:54:59,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:54:59,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509930348] [2024-11-24 00:54:59,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:54:59,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:54:59,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:54:59,315 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:54:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:54:59,379 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:54:59,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:54:59,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1148890845, now seen corresponding path program 1 times [2024-11-24 00:54:59,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:54:59,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206797018] [2024-11-24 00:54:59,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:54:59,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:54:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:54:59,406 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:54:59,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:54:59,422 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:54:59,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:54:59,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1790657375, now seen corresponding path program 1 times [2024-11-24 00:54:59,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:54:59,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62417669] [2024-11-24 00:54:59,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:54:59,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:54:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:54:59,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 00:54:59,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62417669] [2024-11-24 00:54:59,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62417669] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:54:59,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943122168] [2024-11-24 00:54:59,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:54:59,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:54:59,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8afcd687-ed77-4602-bcfe-5a5e5241f3c2/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:54:59,853 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8afcd687-ed77-4602-bcfe-5a5e5241f3c2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:54:59,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8afcd687-ed77-4602-bcfe-5a5e5241f3c2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:54:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:54:59,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:54:59,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:55:00,105 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:55:00,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [943122168] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:55:00,179 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:55:00,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-11-24 00:55:00,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002749423] [2024-11-24 00:55:00,181 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:55:00,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 00:55:00,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:55:00,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:55:00,334 INFO L87 Difference]: Start difference. First operand has 102 states, 101 states have (on average 1.3465346534653466) internal successors, (136), 101 states have internal predecessors, (136), 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) [2024-11-24 00:55:00,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:55:00,526 INFO L93 Difference]: Finished difference Result 246 states and 312 transitions. [2024-11-24 00:55:00,529 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 246 states and 312 transitions. [2024-11-24 00:55:00,544 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 157 [2024-11-24 00:55:00,559 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 246 states to 216 states and 282 transitions. [2024-11-24 00:55:00,561 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 216 [2024-11-24 00:55:00,563 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 216 [2024-11-24 00:55:00,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 216 states and 282 transitions. [2024-11-24 00:55:00,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 00:55:00,568 INFO L218 hiAutomatonCegarLoop]: Abstraction has 216 states and 282 transitions. [2024-11-24 00:55:00,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states and 282 transitions. [2024-11-24 00:55:00,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 136. [2024-11-24 00:55:00,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 136 states have (on average 1.3088235294117647) internal successors, (178), 135 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:55:00,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 178 transitions. [2024-11-24 00:55:00,618 INFO L240 hiAutomatonCegarLoop]: Abstraction has 136 states and 178 transitions. [2024-11-24 00:55:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:55:00,623 INFO L425 stractBuchiCegarLoop]: Abstraction has 136 states and 178 transitions. [2024-11-24 00:55:00,624 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-24 00:55:00,624 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 136 states and 178 transitions. [2024-11-24 00:55:00,627 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 97 [2024-11-24 00:55:00,627 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:55:00,627 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:55:00,628 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:55:00,628 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] [2024-11-24 00:55:00,628 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret42#1, main_~retValue_acc~7#1, main_~tmp~5#1;havoc main_~retValue_acc~7#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~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1;" "main_#t~ret42#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret42#1;havoc main_#t~ret42#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~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 00:55:00,628 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet7#1;test_~tmp___1~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1;" "assume !(0 != test_~tmp___1~0#1);" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret43#1, __utac_acc__Specification1_spec__1_#t~ret44#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1;" "__utac_acc__Specification1_spec__1_#t~ret43#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret43#1;havoc __utac_acc__Specification1_spec__1_#t~ret43#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret43#1, __utac_acc__Specification1_spec__1_#t~ret44#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 00:55:00,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:55:00,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-24 00:55:00,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:55:00,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785779306] [2024-11-24 00:55:00,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:55:00,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:55:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:55:00,653 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:55:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:55:00,670 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:55:00,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:55:00,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1120474777, now seen corresponding path program 1 times [2024-11-24 00:55:00,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:55:00,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609670553] [2024-11-24 00:55:00,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:55:00,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:55:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:55:00,684 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:55:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:55:00,699 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:55:00,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:55:00,700 INFO L85 PathProgramCache]: Analyzing trace with hash -872349099, now seen corresponding path program 1 times [2024-11-24 00:55:00,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:55:00,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195967857] [2024-11-24 00:55:00,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:55:00,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:55:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:55:00,726 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:55:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:55:00,753 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:55:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:55:02,017 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:55:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:55:02,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.11 12:55:02 BoogieIcfgContainer [2024-11-24 00:55:02,109 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-24 00:55:02,110 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:55:02,110 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:55:02,110 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:55:02,111 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:54:59" (3/4) ... [2024-11-24 00:55:02,113 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-24 00:55:02,162 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8afcd687-ed77-4602-bcfe-5a5e5241f3c2/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 00:55:02,163 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:55:02,164 INFO L158 Benchmark]: Toolchain (without parser) took 4621.56ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 57.2MB in the end (delta: 33.9MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2024-11-24 00:55:02,164 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:55:02,164 INFO L158 Benchmark]: CACSL2BoogieTranslator took 634.22ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 72.9MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:55:02,165 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.82ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 70.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:55:02,165 INFO L158 Benchmark]: Boogie Preprocessor took 72.85ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 68.7MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:55:02,166 INFO L158 Benchmark]: RCFGBuilder took 703.32ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 51.6MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:55:02,166 INFO L158 Benchmark]: BuchiAutomizer took 3055.95ms. Allocated memory is still 117.4MB. Free memory was 51.6MB in the beginning and 59.3MB in the end (delta: -7.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:55:02,166 INFO L158 Benchmark]: Witness Printer took 52.82ms. Allocated memory is still 117.4MB. Free memory was 59.3MB in the beginning and 57.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:55:02,169 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 634.22ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 72.9MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.82ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 70.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 72.85ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 68.7MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 703.32ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 51.6MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3055.95ms. Allocated memory is still 117.4MB. Free memory was 51.6MB in the beginning and 59.3MB in the end (delta: -7.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 52.82ms. Allocated memory is still 117.4MB. Free memory was 59.3MB in the beginning and 57.2MB in the end (delta: 2.2MB). 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,"scenario.i","") [49] - GenericResultAtLocation [Line: 124]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [124] - GenericResultAtLocation [Line: 288]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [288] - GenericResultAtLocation [Line: 654]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [654] - GenericResultAtLocation [Line: 692]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [692] - GenericResultAtLocation [Line: 701]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [701] - GenericResultAtLocation [Line: 797]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [797] - GenericResultAtLocation [Line: 823]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [823] * 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 7 locations. The remainder module has 136 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. 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 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 80 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, 311 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 311 mSDsluCounter, 622 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 505 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 44 IncrementalHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 117 mSDtfsCounter, 44 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 68]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L132] int pumpRunning = 0; [L133] int systemActive = 1; [L458] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L702] int cleanupTimeShifts = 4; [L825] int waterLevel = 1; [L826] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L775] int retValue_acc ; [L776] int tmp ; [L780] FCALL select_helpers() [L781] FCALL select_features() [L782] CALL, EXPR valid_product() [L684] int retValue_acc ; [L687] retValue_acc = 1 [L688] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L782] RET, EXPR valid_product() [L782] tmp = valid_product() [L784] COND TRUE \read(tmp) [L786] FCALL setup() [L787] CALL runTest() [L769] CALL test() [L57] int splverifierCounter ; [L58] int tmp ; [L59] int tmp___0 ; [L60] int tmp___1 ; [L61] int tmp___2 ; [L64] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L68] COND TRUE splverifierCounter < 4 [L74] tmp = __VERIFIER_nondet_int() [L76] COND FALSE !(\read(tmp)) [L84] tmp___0 = __VERIFIER_nondet_int() [L86] COND FALSE !(\read(tmp___0)) [L94] tmp___2 = __VERIFIER_nondet_int() [L96] COND FALSE !(\read(tmp___2)) [L102] tmp___1 = __VERIFIER_nondet_int() [L104] COND FALSE !(\read(tmp___1)) [L113] CALL timeShift() [L140] COND FALSE !(\read(pumpRunning)) [L147] COND TRUE \read(systemActive) [L149] CALL processEnvironment() [L169] int tmp ; [L172] COND FALSE !(\read(pumpRunning)) [L187] FCALL processEnvironment__wrappee__base() [L149] RET processEnvironment() [L155] CALL __utac_acc__Specification1_spec__1() [L799] int tmp ; [L800] int tmp___0 ; [L804] CALL, EXPR isMethaneLevelCritical() [L864] int retValue_acc ; [L867] retValue_acc = methaneLevelCritical [L868] return (retValue_acc); [L804] RET, EXPR isMethaneLevelCritical() [L804] tmp = isMethaneLevelCritical() [L806] COND FALSE !(\read(tmp)) [L155] RET __utac_acc__Specification1_spec__1() [L113] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 68]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L132] int pumpRunning = 0; [L133] int systemActive = 1; [L458] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L702] int cleanupTimeShifts = 4; [L825] int waterLevel = 1; [L826] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L775] int retValue_acc ; [L776] int tmp ; [L780] FCALL select_helpers() [L781] FCALL select_features() [L782] CALL, EXPR valid_product() [L684] int retValue_acc ; [L687] retValue_acc = 1 [L688] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L782] RET, EXPR valid_product() [L782] tmp = valid_product() [L784] COND TRUE \read(tmp) [L786] FCALL setup() [L787] CALL runTest() [L769] CALL test() [L57] int splverifierCounter ; [L58] int tmp ; [L59] int tmp___0 ; [L60] int tmp___1 ; [L61] int tmp___2 ; [L64] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L68] COND TRUE splverifierCounter < 4 [L74] tmp = __VERIFIER_nondet_int() [L76] COND FALSE !(\read(tmp)) [L84] tmp___0 = __VERIFIER_nondet_int() [L86] COND FALSE !(\read(tmp___0)) [L94] tmp___2 = __VERIFIER_nondet_int() [L96] COND FALSE !(\read(tmp___2)) [L102] tmp___1 = __VERIFIER_nondet_int() [L104] COND FALSE !(\read(tmp___1)) [L113] CALL timeShift() [L140] COND FALSE !(\read(pumpRunning)) [L147] COND TRUE \read(systemActive) [L149] CALL processEnvironment() [L169] int tmp ; [L172] COND FALSE !(\read(pumpRunning)) [L187] FCALL processEnvironment__wrappee__base() [L149] RET processEnvironment() [L155] CALL __utac_acc__Specification1_spec__1() [L799] int tmp ; [L800] int tmp___0 ; [L804] CALL, EXPR isMethaneLevelCritical() [L864] int retValue_acc ; [L867] retValue_acc = methaneLevelCritical [L868] return (retValue_acc); [L804] RET, EXPR isMethaneLevelCritical() [L804] tmp = isMethaneLevelCritical() [L806] COND FALSE !(\read(tmp)) [L155] RET __utac_acc__Specification1_spec__1() [L113] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-24 00:55:02,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8afcd687-ed77-4602-bcfe-5a5e5241f3c2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-24 00:55:02,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8afcd687-ed77-4602-bcfe-5a5e5241f3c2/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)