./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product13.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_1a8ef05f-3eb7-4b06-bd38-9f8a772d2ea3/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8ef05f-3eb7-4b06-bd38-9f8a772d2ea3/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_1a8ef05f-3eb7-4b06-bd38-9f8a772d2ea3/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8ef05f-3eb7-4b06-bd38-9f8a772d2ea3/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8ef05f-3eb7-4b06-bd38-9f8a772d2ea3/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_1a8ef05f-3eb7-4b06-bd38-9f8a772d2ea3/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 a5d8d581f80f5cde7366deb7b852c58bb4870d5154bc31eab8a2e0d970b8f8d6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:46:50,530 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:46:50,640 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8ef05f-3eb7-4b06-bd38-9f8a772d2ea3/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-24 01:46:50,647 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:46:50,649 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:46:50,689 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:46:50,689 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:46:50,690 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:46:50,691 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:46:50,691 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:46:50,692 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:46:50,692 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:46:50,692 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:46:50,693 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-24 01:46:50,694 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-24 01:46:50,694 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-24 01:46:50,694 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-24 01:46:50,694 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-24 01:46:50,694 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-24 01:46:50,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:46:50,695 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-24 01:46:50,695 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:46:50,695 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:46:50,695 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:46:50,695 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:46:50,695 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-24 01:46:50,695 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-24 01:46:50,695 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-24 01:46:50,695 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 01:46:50,695 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:46:50,696 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:46:50,696 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-24 01:46:50,696 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:46:50,697 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:46:50,697 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:46:50,697 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:46:50,697 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:46:50,698 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-24 01:46:50,698 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-24 01:46:50,698 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_1a8ef05f-3eb7-4b06-bd38-9f8a772d2ea3/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 -> a5d8d581f80f5cde7366deb7b852c58bb4870d5154bc31eab8a2e0d970b8f8d6 [2024-11-24 01:46:51,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:46:51,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:46:51,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:46:51,050 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:46:51,051 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:46:51,052 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8ef05f-3eb7-4b06-bd38-9f8a772d2ea3/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/minepump_spec5_product13.cil.c [2024-11-24 01:46:54,141 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8ef05f-3eb7-4b06-bd38-9f8a772d2ea3/bin/uautomizer-verify-LYvppIcaGC/data/33b74fd35/beb89d919ccc402da3f84ee09cc42272/FLAG408e8707f [2024-11-24 01:46:54,496 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:46:54,497 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8ef05f-3eb7-4b06-bd38-9f8a772d2ea3/sv-benchmarks/c/product-lines/minepump_spec5_product13.cil.c [2024-11-24 01:46:54,510 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8ef05f-3eb7-4b06-bd38-9f8a772d2ea3/bin/uautomizer-verify-LYvppIcaGC/data/33b74fd35/beb89d919ccc402da3f84ee09cc42272/FLAG408e8707f [2024-11-24 01:46:54,525 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8ef05f-3eb7-4b06-bd38-9f8a772d2ea3/bin/uautomizer-verify-LYvppIcaGC/data/33b74fd35/beb89d919ccc402da3f84ee09cc42272 [2024-11-24 01:46:54,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:46:54,528 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:46:54,530 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:46:54,530 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:46:54,536 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:46:54,537 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:46:54" (1/1) ... [2024-11-24 01:46:54,538 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e1646d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:46:54, skipping insertion in model container [2024-11-24 01:46:54,539 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:46:54" (1/1) ... [2024-11-24 01:46:54,593 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:46:54,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:46:54,884 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:46:54,891 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-24 01:46:54,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [87] [2024-11-24 01:46:54,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [453] [2024-11-24 01:46:54,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [505] [2024-11-24 01:46:54,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [590] [2024-11-24 01:46:54,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [599] [2024-11-24 01:46:54,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [699] [2024-11-24 01:46:54,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [854] [2024-11-24 01:46:54,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:46:55,006 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:46:55,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:46:55 WrapperNode [2024-11-24 01:46:55,008 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:46:55,010 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:46:55,010 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:46:55,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:46:55,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:46:55" (1/1) ... [2024-11-24 01:46:55,040 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:46:55" (1/1) ... [2024-11-24 01:46:55,067 INFO L138 Inliner]: procedures = 53, calls = 98, calls flagged for inlining = 51, calls inlined = 57, statements flattened = 347 [2024-11-24 01:46:55,068 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:46:55,068 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:46:55,069 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:46:55,069 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:46:55,078 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:46:55" (1/1) ... [2024-11-24 01:46:55,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:46:55" (1/1) ... [2024-11-24 01:46:55,080 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:46:55" (1/1) ... [2024-11-24 01:46:55,094 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 01:46:55,094 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:46:55" (1/1) ... [2024-11-24 01:46:55,094 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:46:55" (1/1) ... [2024-11-24 01:46:55,100 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:46:55" (1/1) ... [2024-11-24 01:46:55,101 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:46:55" (1/1) ... [2024-11-24 01:46:55,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:46:55" (1/1) ... [2024-11-24 01:46:55,108 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:46:55" (1/1) ... [2024-11-24 01:46:55,109 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:46:55" (1/1) ... [2024-11-24 01:46:55,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:46:55,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:46:55,116 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:46:55,117 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:46:55,118 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:46:55" (1/1) ... [2024-11-24 01:46:55,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 01:46:55,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8ef05f-3eb7-4b06-bd38-9f8a772d2ea3/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:46:55,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8ef05f-3eb7-4b06-bd38-9f8a772d2ea3/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 01:46:55,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8ef05f-3eb7-4b06-bd38-9f8a772d2ea3/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-24 01:46:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:46:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:46:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:46:55,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:46:55,293 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:46:55,295 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:46:55,699 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2024-11-24 01:46:55,699 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:46:55,711 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:46:55,711 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-24 01:46:55,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:46:55 BoogieIcfgContainer [2024-11-24 01:46:55,712 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:46:55,713 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-24 01:46:55,713 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-24 01:46:55,719 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-24 01:46:55,720 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 01:46:55,720 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.11 01:46:54" (1/3) ... [2024-11-24 01:46:55,721 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7740eec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 01:46:55, skipping insertion in model container [2024-11-24 01:46:55,721 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 01:46:55,722 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:46:55" (2/3) ... [2024-11-24 01:46:55,722 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7740eec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 01:46:55, skipping insertion in model container [2024-11-24 01:46:55,722 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 01:46:55,722 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:46:55" (3/3) ... [2024-11-24 01:46:55,725 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product13.cil.c [2024-11-24 01:46:55,777 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-24 01:46:55,778 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-24 01:46:55,778 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-24 01:46:55,778 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-24 01:46:55,778 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-24 01:46:55,778 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-24 01:46:55,778 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-24 01:46:55,778 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-24 01:46:55,784 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 107 states, 106 states have (on average 1.349056603773585) internal successors, (143), 106 states have internal predecessors, (143), 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 01:46:55,806 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2024-11-24 01:46:55,807 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 01:46:55,807 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 01:46:55,814 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:46:55,814 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:46:55,815 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-24 01:46:55,815 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 107 states, 106 states have (on average 1.349056603773585) internal successors, (143), 106 states have internal predecessors, (143), 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 01:46:55,821 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2024-11-24 01:46:55,821 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 01:46:55,821 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 01:46:55,822 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:46:55,822 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:46:55,827 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;~switchedOnBeforeTS~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~ret36#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret36#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 01:46:55,827 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet48#1;test_~tmp~7#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1;" "assume !(0 != test_~tmp~7#1);" "havoc test_#t~nondet49#1;test_~tmp___0~1#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet50#1;test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret28#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1;" "__utac_acc__Specification5_spec__2_#t~ret28#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret28#1;havoc __utac_acc__Specification5_spec__2_#t~ret28#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret28#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1;" "__utac_acc__Specification5_spec__3_#t~ret29#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret29#1;havoc __utac_acc__Specification5_spec__3_#t~ret29#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 01:46:55,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:46:55,834 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-24 01:46:55,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:46:55,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353638378] [2024-11-24 01:46:55,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:46:55,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:46:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:46:55,954 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:46:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:46:56,015 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:46:56,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:46:56,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1235466754, now seen corresponding path program 1 times [2024-11-24 01:46:56,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:46:56,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885307683] [2024-11-24 01:46:56,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:46:56,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:46:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:46:56,044 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:46:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:46:56,062 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:46:56,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:46:56,064 INFO L85 PathProgramCache]: Analyzing trace with hash 499525177, now seen corresponding path program 1 times [2024-11-24 01:46:56,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:46:56,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688607312] [2024-11-24 01:46:56,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:46:56,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:46:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:46:56,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 01:46:56,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688607312] [2024-11-24 01:46:56,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688607312] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:46:56,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913246537] [2024-11-24 01:46:56,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:46:56,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:46:56,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8ef05f-3eb7-4b06-bd38-9f8a772d2ea3/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:46:56,407 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8ef05f-3eb7-4b06-bd38-9f8a772d2ea3/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:46:56,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8ef05f-3eb7-4b06-bd38-9f8a772d2ea3/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:46:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:46:56,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 01:46:56,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:46:56,667 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:46:56,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [913246537] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:46:56,762 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:46:56,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-11-24 01:46:56,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315408270] [2024-11-24 01:46:56,763 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:46:56,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 01:46:56,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:46:56,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:46:56,933 INFO L87 Difference]: Start difference. First operand has 107 states, 106 states have (on average 1.349056603773585) internal successors, (143), 106 states have internal predecessors, (143), 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 6.428571428571429) internal successors, (45), 6 states have internal predecessors, (45), 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 01:46:57,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:46:57,059 INFO L93 Difference]: Finished difference Result 101 states and 126 transitions. [2024-11-24 01:46:57,061 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 101 states and 126 transitions. [2024-11-24 01:46:57,065 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2024-11-24 01:46:57,080 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 101 states to 91 states and 116 transitions. [2024-11-24 01:46:57,082 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 91 [2024-11-24 01:46:57,083 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 91 [2024-11-24 01:46:57,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 91 states and 116 transitions. [2024-11-24 01:46:57,086 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 01:46:57,087 INFO L218 hiAutomatonCegarLoop]: Abstraction has 91 states and 116 transitions. [2024-11-24 01:46:57,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states and 116 transitions. [2024-11-24 01:46:57,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-24 01:46:57,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 91 states have (on average 1.2747252747252746) internal successors, (116), 90 states have internal predecessors, (116), 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 01:46:57,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 116 transitions. [2024-11-24 01:46:57,125 INFO L240 hiAutomatonCegarLoop]: Abstraction has 91 states and 116 transitions. [2024-11-24 01:46:57,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:46:57,136 INFO L425 stractBuchiCegarLoop]: Abstraction has 91 states and 116 transitions. [2024-11-24 01:46:57,136 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-24 01:46:57,136 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 91 states and 116 transitions. [2024-11-24 01:46:57,138 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2024-11-24 01:46:57,138 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 01:46:57,140 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 01:46:57,140 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:46:57,141 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:46:57,141 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;~switchedOnBeforeTS~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~ret36#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret36#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 01:46:57,141 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet48#1;test_~tmp~7#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1;" "assume !(0 != test_~tmp~7#1);" "havoc test_#t~nondet49#1;test_~tmp___0~1#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet50#1;test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret28#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1;" "__utac_acc__Specification5_spec__2_#t~ret28#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret28#1;havoc __utac_acc__Specification5_spec__2_#t~ret28#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret28#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;" "assume { :end_inline_processEnvironment__wrappee__methaneQuery } true;" "havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1;" "__utac_acc__Specification5_spec__3_#t~ret29#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret29#1;havoc __utac_acc__Specification5_spec__3_#t~ret29#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 01:46:57,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:46:57,142 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-24 01:46:57,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:46:57,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192161987] [2024-11-24 01:46:57,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:46:57,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:46:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:46:57,162 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:46:57,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:46:57,190 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:46:57,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:46:57,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1149460871, now seen corresponding path program 1 times [2024-11-24 01:46:57,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:46:57,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260052468] [2024-11-24 01:46:57,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:46:57,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:46:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:46:57,212 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:46:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:46:57,223 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:46:57,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:46:57,227 INFO L85 PathProgramCache]: Analyzing trace with hash 223064802, now seen corresponding path program 1 times [2024-11-24 01:46:57,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:46:57,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338424293] [2024-11-24 01:46:57,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:46:57,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:46:57,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:46:57,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 01:46:57,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338424293] [2024-11-24 01:46:57,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338424293] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:46:57,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215241839] [2024-11-24 01:46:57,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:46:57,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:46:57,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8ef05f-3eb7-4b06-bd38-9f8a772d2ea3/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:46:57,436 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8ef05f-3eb7-4b06-bd38-9f8a772d2ea3/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:46:57,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8ef05f-3eb7-4b06-bd38-9f8a772d2ea3/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 01:46:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:46:57,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 01:46:57,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:46:57,604 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:46:57,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1215241839] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:46:57,691 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:46:57,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-11-24 01:46:57,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605629677] [2024-11-24 01:46:57,692 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:46:57,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 01:46:57,771 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:46:57,771 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:46:57,772 INFO L87 Difference]: Start difference. First operand 91 states and 116 transitions. cyclomatic complexity: 27 Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 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 01:46:57,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:46:57,920 INFO L93 Difference]: Finished difference Result 173 states and 219 transitions. [2024-11-24 01:46:57,920 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 173 states and 219 transitions. [2024-11-24 01:46:57,924 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 119 [2024-11-24 01:46:57,927 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 173 states to 173 states and 219 transitions. [2024-11-24 01:46:57,928 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 173 [2024-11-24 01:46:57,929 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 173 [2024-11-24 01:46:57,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 173 states and 219 transitions. [2024-11-24 01:46:57,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 01:46:57,932 INFO L218 hiAutomatonCegarLoop]: Abstraction has 173 states and 219 transitions. [2024-11-24 01:46:57,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states and 219 transitions. [2024-11-24 01:46:57,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2024-11-24 01:46:57,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 173 states have (on average 1.2658959537572254) internal successors, (219), 172 states have internal predecessors, (219), 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 01:46:57,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 219 transitions. [2024-11-24 01:46:57,943 INFO L240 hiAutomatonCegarLoop]: Abstraction has 173 states and 219 transitions. [2024-11-24 01:46:57,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:46:57,944 INFO L425 stractBuchiCegarLoop]: Abstraction has 173 states and 219 transitions. [2024-11-24 01:46:57,944 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-24 01:46:57,944 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 173 states and 219 transitions. [2024-11-24 01:46:57,946 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 119 [2024-11-24 01:46:57,946 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 01:46:57,946 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 01:46:57,947 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:46:57,947 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:46:57,947 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;~switchedOnBeforeTS~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~ret36#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret36#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 01:46:57,947 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet48#1;test_~tmp~7#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1;" "assume !(0 != test_~tmp~7#1);" "havoc test_#t~nondet49#1;test_~tmp___0~1#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet50#1;test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret28#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1;" "__utac_acc__Specification5_spec__2_#t~ret28#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret28#1;havoc __utac_acc__Specification5_spec__2_#t~ret28#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret28#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;" "assume { :end_inline_processEnvironment__wrappee__methaneQuery } true;" "havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1;" "__utac_acc__Specification5_spec__3_#t~ret29#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret29#1;havoc __utac_acc__Specification5_spec__3_#t~ret29#1;" "assume 2 != __utac_acc__Specification5_spec__3_~tmp~3#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1;" "__utac_acc__Specification5_spec__3_#t~ret30#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret30#1;havoc __utac_acc__Specification5_spec__3_#t~ret30#1;" "assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 01:46:57,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:46:57,948 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-11-24 01:46:57,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:46:57,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233871848] [2024-11-24 01:46:57,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:46:57,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:46:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:46:57,961 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:46:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:46:57,998 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:46:58,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:46:58,001 INFO L85 PathProgramCache]: Analyzing trace with hash -846307468, now seen corresponding path program 1 times [2024-11-24 01:46:58,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:46:58,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176368833] [2024-11-24 01:46:58,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:46:58,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:46:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:46:58,011 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:46:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:46:58,018 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:46:58,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:46:58,022 INFO L85 PathProgramCache]: Analyzing trace with hash -404095587, now seen corresponding path program 1 times [2024-11-24 01:46:58,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:46:58,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574109675] [2024-11-24 01:46:58,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:46:58,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:46:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:46:58,035 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:46:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:46:58,045 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:46:59,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:46:59,196 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:46:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:46:59,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.11 01:46:59 BoogieIcfgContainer [2024-11-24 01:46:59,279 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-24 01:46:59,280 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:46:59,280 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:46:59,280 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:46:59,282 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:46:55" (3/4) ... [2024-11-24 01:46:59,284 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-24 01:46:59,347 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8ef05f-3eb7-4b06-bd38-9f8a772d2ea3/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:46:59,347 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:46:59,350 INFO L158 Benchmark]: Toolchain (without parser) took 4819.46ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 99.4MB in the beginning and 279.4MB in the end (delta: -180.1MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2024-11-24 01:46:59,350 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:46:59,351 INFO L158 Benchmark]: CACSL2BoogieTranslator took 479.02ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 81.2MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:46:59,351 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.94ms. Allocated memory is still 142.6MB. Free memory was 81.2MB in the beginning and 78.9MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:46:59,351 INFO L158 Benchmark]: Boogie Preprocessor took 47.28ms. Allocated memory is still 142.6MB. Free memory was 78.9MB in the beginning and 76.8MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:46:59,352 INFO L158 Benchmark]: RCFGBuilder took 595.84ms. Allocated memory is still 142.6MB. Free memory was 76.8MB in the beginning and 58.1MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:46:59,352 INFO L158 Benchmark]: BuchiAutomizer took 3566.21ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 58.1MB in the beginning and 281.4MB in the end (delta: -223.3MB). Peak memory consumption was 30.0kB. Max. memory is 16.1GB. [2024-11-24 01:46:59,353 INFO L158 Benchmark]: Witness Printer took 67.34ms. Allocated memory is still 369.1MB. Free memory was 281.4MB in the beginning and 279.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:46:59,355 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 479.02ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 81.2MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.94ms. Allocated memory is still 142.6MB. Free memory was 81.2MB in the beginning and 78.9MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.28ms. Allocated memory is still 142.6MB. Free memory was 78.9MB in the beginning and 76.8MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 595.84ms. Allocated memory is still 142.6MB. Free memory was 76.8MB in the beginning and 58.1MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3566.21ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 58.1MB in the beginning and 281.4MB in the end (delta: -223.3MB). Peak memory consumption was 30.0kB. Max. memory is 16.1GB. * Witness Printer took 67.34ms. Allocated memory is still 369.1MB. Free memory was 281.4MB in the beginning and 279.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [87] - GenericResultAtLocation [Line: 453]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [453] - GenericResultAtLocation [Line: 505]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [505] - GenericResultAtLocation [Line: 590]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [590] - GenericResultAtLocation [Line: 599]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [599] - GenericResultAtLocation [Line: 699]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [699] - GenericResultAtLocation [Line: 854]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [854] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 7 locations. The remainder module has 173 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 425 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 425 mSDsluCounter, 754 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 531 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 81 IncrementalHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 223 mSDtfsCounter, 81 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 867]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L457] int switchedOnBeforeTS ; [L511] int waterLevel = 1; [L512] int methaneLevelCritical = 0; [L600] int cleanupTimeShifts = 4; [L702] int pumpRunning = 0; [L703] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L677] int retValue_acc ; [L678] int tmp ; [L682] FCALL select_helpers() [L683] FCALL select_features() [L684] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L684] RET, EXPR valid_product() [L684] tmp = valid_product() [L686] COND TRUE \read(tmp) [L688] FCALL setup() [L689] CALL runTest() [L670] CALL __utac_acc__Specification5_spec__1() [L462] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L670] RET __utac_acc__Specification5_spec__1() [L671] CALL test() [L856] int splverifierCounter ; [L857] int tmp ; [L858] int tmp___0 ; [L859] int tmp___1 ; [L860] int tmp___2 ; [L863] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L867] COND TRUE splverifierCounter < 4 [L873] tmp = __VERIFIER_nondet_int() [L875] COND FALSE !(\read(tmp)) [L883] tmp___0 = __VERIFIER_nondet_int() [L885] COND FALSE !(\read(tmp___0)) [L893] tmp___2 = __VERIFIER_nondet_int() [L895] COND TRUE \read(tmp___2) [L908] CALL timeShift() [L710] CALL __utac_acc__Specification5_spec__2() [L471] CALL, EXPR isPumpRunning() [L810] int retValue_acc ; [L813] retValue_acc = pumpRunning [L814] return (retValue_acc); [L471] RET, EXPR isPumpRunning() [L471] switchedOnBeforeTS = isPumpRunning() [L710] RET __utac_acc__Specification5_spec__2() [L712] COND FALSE !(\read(pumpRunning)) [L719] COND TRUE \read(systemActive) [L721] CALL processEnvironment() [L741] int tmp ; [L744] COND FALSE !(\read(pumpRunning)) [L759] FCALL processEnvironment__wrappee__methaneQuery() [L721] RET processEnvironment() [L727] CALL __utac_acc__Specification5_spec__3() [L477] int tmp ; [L478] int tmp___0 ; [L482] CALL, EXPR getWaterLevel() [L582] int retValue_acc ; [L585] retValue_acc = waterLevel [L586] return (retValue_acc); [L482] RET, EXPR getWaterLevel() [L482] tmp = getWaterLevel() [L484] COND TRUE tmp != 2 [L486] CALL, EXPR isPumpRunning() [L810] int retValue_acc ; [L813] retValue_acc = pumpRunning [L814] return (retValue_acc); [L486] RET, EXPR isPumpRunning() [L486] tmp___0 = isPumpRunning() [L488] COND FALSE !(\read(tmp___0)) [L727] RET __utac_acc__Specification5_spec__3() [L908] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 867]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L457] int switchedOnBeforeTS ; [L511] int waterLevel = 1; [L512] int methaneLevelCritical = 0; [L600] int cleanupTimeShifts = 4; [L702] int pumpRunning = 0; [L703] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L677] int retValue_acc ; [L678] int tmp ; [L682] FCALL select_helpers() [L683] FCALL select_features() [L684] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L684] RET, EXPR valid_product() [L684] tmp = valid_product() [L686] COND TRUE \read(tmp) [L688] FCALL setup() [L689] CALL runTest() [L670] CALL __utac_acc__Specification5_spec__1() [L462] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L670] RET __utac_acc__Specification5_spec__1() [L671] CALL test() [L856] int splverifierCounter ; [L857] int tmp ; [L858] int tmp___0 ; [L859] int tmp___1 ; [L860] int tmp___2 ; [L863] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L867] COND TRUE splverifierCounter < 4 [L873] tmp = __VERIFIER_nondet_int() [L875] COND FALSE !(\read(tmp)) [L883] tmp___0 = __VERIFIER_nondet_int() [L885] COND FALSE !(\read(tmp___0)) [L893] tmp___2 = __VERIFIER_nondet_int() [L895] COND TRUE \read(tmp___2) [L908] CALL timeShift() [L710] CALL __utac_acc__Specification5_spec__2() [L471] CALL, EXPR isPumpRunning() [L810] int retValue_acc ; [L813] retValue_acc = pumpRunning [L814] return (retValue_acc); [L471] RET, EXPR isPumpRunning() [L471] switchedOnBeforeTS = isPumpRunning() [L710] RET __utac_acc__Specification5_spec__2() [L712] COND FALSE !(\read(pumpRunning)) [L719] COND TRUE \read(systemActive) [L721] CALL processEnvironment() [L741] int tmp ; [L744] COND FALSE !(\read(pumpRunning)) [L759] FCALL processEnvironment__wrappee__methaneQuery() [L721] RET processEnvironment() [L727] CALL __utac_acc__Specification5_spec__3() [L477] int tmp ; [L478] int tmp___0 ; [L482] CALL, EXPR getWaterLevel() [L582] int retValue_acc ; [L585] retValue_acc = waterLevel [L586] return (retValue_acc); [L482] RET, EXPR getWaterLevel() [L482] tmp = getWaterLevel() [L484] COND TRUE tmp != 2 [L486] CALL, EXPR isPumpRunning() [L810] int retValue_acc ; [L813] retValue_acc = pumpRunning [L814] return (retValue_acc); [L486] RET, EXPR isPumpRunning() [L486] tmp___0 = isPumpRunning() [L488] COND FALSE !(\read(tmp___0)) [L727] RET __utac_acc__Specification5_spec__3() [L908] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-24 01:46:59,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8ef05f-3eb7-4b06-bd38-9f8a772d2ea3/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 01:46:59,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8ef05f-3eb7-4b06-bd38-9f8a772d2ea3/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-24 01:46:59,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a8ef05f-3eb7-4b06-bd38-9f8a772d2ea3/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)