./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product56.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_47e3847c-34f4-4d81-9e91-0250aae2e287/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e3847c-34f4-4d81-9e91-0250aae2e287/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_47e3847c-34f4-4d81-9e91-0250aae2e287/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e3847c-34f4-4d81-9e91-0250aae2e287/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product56.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e3847c-34f4-4d81-9e91-0250aae2e287/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_47e3847c-34f4-4d81-9e91-0250aae2e287/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 c0bb085f1a2e359e53f6064743019c071065ce678b1651991605b55849e9a12f
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 23:50:25,617 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 23:50:25,698 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e3847c-34f4-4d81-9e91-0250aae2e287/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf
[2024-11-23 23:50:25,709 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 23:50:25,709 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 23:50:25,758 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 23:50:25,759 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 23:50:25,759 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 23:50:25,760 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 23:50:25,760 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-23 23:50:25,762 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 23:50:25,762 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 23:50:25,763 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 23:50:25,763 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2024-11-23 23:50:25,763 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2024-11-23 23:50:25,764 INFO L153 SettingsManager]: * Use old map elimination=false
[2024-11-23 23:50:25,764 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false
[2024-11-23 23:50:25,764 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true
[2024-11-23 23:50:25,765 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2024-11-23 23:50:25,765 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 23:50:25,765 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2024-11-23 23:50:25,765 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-23 23:50:25,765 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-23 23:50:25,766 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-23 23:50:25,766 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 23:50:25,766 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2024-11-23 23:50:25,766 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2024-11-23 23:50:25,766 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2024-11-23 23:50:25,766 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-23 23:50:25,766 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-23 23:50:25,767 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 23:50:25,767 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false
[2024-11-23 23:50:25,767 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 23:50:25,767 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 23:50:25,767 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 23:50:25,767 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:50:25,769 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 23:50:25,769 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM
[2024-11-23 23:50:25,769 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2024-11-23 23:50:25,769 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_47e3847c-34f4-4d81-9e91-0250aae2e287/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 -> c0bb085f1a2e359e53f6064743019c071065ce678b1651991605b55849e9a12f
[2024-11-23 23:50:26,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 23:50:26,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 23:50:26,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 23:50:26,118 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 23:50:26,118 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 23:50:26,120 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e3847c-34f4-4d81-9e91-0250aae2e287/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/minepump_spec3_product56.cil.c
[2024-11-23 23:50:29,698 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e3847c-34f4-4d81-9e91-0250aae2e287/bin/uautomizer-verify-LYvppIcaGC/data/d8ff79d0b/710a532697534655acdc30f9cc6d0920/FLAG540ab5de1
[2024-11-23 23:50:30,165 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 23:50:30,165 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e3847c-34f4-4d81-9e91-0250aae2e287/sv-benchmarks/c/product-lines/minepump_spec3_product56.cil.c
[2024-11-23 23:50:30,195 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e3847c-34f4-4d81-9e91-0250aae2e287/bin/uautomizer-verify-LYvppIcaGC/data/d8ff79d0b/710a532697534655acdc30f9cc6d0920/FLAG540ab5de1
[2024-11-23 23:50:30,291 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e3847c-34f4-4d81-9e91-0250aae2e287/bin/uautomizer-verify-LYvppIcaGC/data/d8ff79d0b/710a532697534655acdc30f9cc6d0920
[2024-11-23 23:50:30,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 23:50:30,299 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 23:50:30,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 23:50:30,301 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 23:50:30,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 23:50:30,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:50:30" (1/1) ...
[2024-11-23 23:50:30,309 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6011a84a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:30, skipping insertion in model container
[2024-11-23 23:50:30,309 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:50:30" (1/1) ...
[2024-11-23 23:50:30,373 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 23:50:30,858 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:50:30,880 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 23:50:30,891 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49]
[2024-11-23 23:50:30,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [153]
[2024-11-23 23:50:30,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [519]
[2024-11-23 23:50:30,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [554]
[2024-11-23 23:50:30,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [592]
[2024-11-23 23:50:30,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [699]
[2024-11-23 23:50:30,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [949]
[2024-11-23 23:50:30,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1018]
[2024-11-23 23:50:31,002 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:50:31,033 INFO L204 MainTranslator]: Completed translation
[2024-11-23 23:50:31,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:31 WrapperNode
[2024-11-23 23:50:31,034 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 23:50:31,036 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 23:50:31,037 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 23:50:31,038 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 23:50:31,055 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:31" (1/1) ...
[2024-11-23 23:50:31,069 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:31" (1/1) ...
[2024-11-23 23:50:31,123 INFO L138 Inliner]: procedures = 58, calls = 107, calls flagged for inlining = 60, calls inlined = 146, statements flattened = 992
[2024-11-23 23:50:31,124 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 23:50:31,124 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 23:50:31,124 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 23:50:31,125 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 23:50:31,137 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:31" (1/1) ...
[2024-11-23 23:50:31,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:31" (1/1) ...
[2024-11-23 23:50:31,142 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:31" (1/1) ...
[2024-11-23 23:50:31,163 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-23 23:50:31,164 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:31" (1/1) ...
[2024-11-23 23:50:31,164 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:31" (1/1) ...
[2024-11-23 23:50:31,179 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:31" (1/1) ...
[2024-11-23 23:50:31,182 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:31" (1/1) ...
[2024-11-23 23:50:31,191 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:31" (1/1) ...
[2024-11-23 23:50:31,194 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:31" (1/1) ...
[2024-11-23 23:50:31,197 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:31" (1/1) ...
[2024-11-23 23:50:31,203 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 23:50:31,204 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 23:50:31,204 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 23:50:31,204 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 23:50:31,205 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:31" (1/1) ...
[2024-11-23 23:50:31,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-23 23:50:31,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e3847c-34f4-4d81-9e91-0250aae2e287/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:50:31,256 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e3847c-34f4-4d81-9e91-0250aae2e287/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-23 23:50:31,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e3847c-34f4-4d81-9e91-0250aae2e287/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2024-11-23 23:50:31,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 23:50:31,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-23 23:50:31,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 23:50:31,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 23:50:31,417 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 23:50:31,419 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 23:50:32,527 INFO L? ?]: Removed 247 outVars from TransFormulas that were not future-live.
[2024-11-23 23:50:32,528 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 23:50:32,552 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 23:50:32,553 INFO L312 CfgBuilder]: Removed 4 assume(true) statements.
[2024-11-23 23:50:32,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:50:32 BoogieIcfgContainer
[2024-11-23 23:50:32,553 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 23:50:32,555 INFO L112 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2024-11-23 23:50:32,555 INFO L270 PluginConnector]: Initializing BuchiAutomizer...
[2024-11-23 23:50:32,563 INFO L274 PluginConnector]: BuchiAutomizer initialized
[2024-11-23 23:50:32,564 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-23 23:50:32,565 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 11:50:30" (1/3) ...
[2024-11-23 23:50:32,566 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5bfaa4de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 11:50:32, skipping insertion in model container
[2024-11-23 23:50:32,567 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-23 23:50:32,567 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:31" (2/3) ...
[2024-11-23 23:50:32,567 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5bfaa4de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 11:50:32, skipping insertion in model container
[2024-11-23 23:50:32,567 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-23 23:50:32,568 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:50:32" (3/3) ...
[2024-11-23 23:50:32,569 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product56.cil.c
[2024-11-23 23:50:32,644 INFO L300 stractBuchiCegarLoop]: Interprodecural is true
[2024-11-23 23:50:32,645 INFO L301 stractBuchiCegarLoop]: Hoare is None
[2024-11-23 23:50:32,645 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2024-11-23 23:50:32,645 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2024-11-23 23:50:32,646 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2024-11-23 23:50:32,646 INFO L305 stractBuchiCegarLoop]: Difference is false
[2024-11-23 23:50:32,646 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2024-11-23 23:50:32,646 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2024-11-23 23:50:32,656 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 282 states, 281 states have (on average 1.3701067615658362) internal successors, (385), 281 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:50:32,710 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 185
[2024-11-23 23:50:32,711 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-23 23:50:32,711 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-23 23:50:32,721 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:50:32,722 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:50:32,722 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2024-11-23 23:50:32,723 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 282 states, 281 states have (on average 1.3701067615658362) internal successors, (385), 281 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:50:32,734 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 185
[2024-11-23 23:50:32,734 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-23 23:50:32,734 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-23 23:50:32,736 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:50:32,736 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:50:32,742 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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_#t~nondet54#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~10#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-11-23 23:50:32,743 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet51#1;test_~tmp~10#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1;" "assume !(0 != test_~tmp~10#1);" "havoc test_#t~nondet52#1;test_~tmp___0~3#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet53#1;test_~tmp___2~0#1 := test_#t~nondet53#1;havoc test_#t~nondet53#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1;" "__utac_acc__Specification3_spec__1_#t~ret29#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret29#1;havoc __utac_acc__Specification3_spec__1_#t~ret29#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;"
[2024-11-23 23:50:32,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:50:32,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times
[2024-11-23 23:50:32,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-23 23:50:32,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083601799]
[2024-11-23 23:50:32,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:50:32,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:50:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:50:32,883 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 23:50:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:50:32,940 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-23 23:50:32,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:50:32,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1553594847, now seen corresponding path program 1 times
[2024-11-23 23:50:32,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-23 23:50:32,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827432158]
[2024-11-23 23:50:32,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:50:32,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:50:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:50:33,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-11-23 23:50:33,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827432158]
[2024-11-23 23:50:33,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827432158] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 23:50:33,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960741419]
[2024-11-23 23:50:33,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:50:33,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:50:33,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e3847c-34f4-4d81-9e91-0250aae2e287/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:50:33,113 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e3847c-34f4-4d81-9e91-0250aae2e287/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 23:50:33,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e3847c-34f4-4d81-9e91-0250aae2e287/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-23 23:50:33,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:50:33,199 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-23 23:50:33,201 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:50:33,234 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 23:50:33,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [960741419] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 23:50:33,267 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 23:50:33,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3
[2024-11-23 23:50:33,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336969763]
[2024-11-23 23:50:33,270 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 23:50:33,274 INFO L764 eck$LassoCheckResult]: loop already infeasible
[2024-11-23 23:50:33,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-11-23 23:50:33,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:50:33,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:50:33,316 INFO L87 Difference]: Start difference. First operand has 282 states, 281 states have (on average 1.3701067615658362) internal successors, (385), 281 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:50:33,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:50:33,481 INFO L93 Difference]: Finished difference Result 543 states and 731 transitions.
[2024-11-23 23:50:33,483 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 543 states and 731 transitions.
[2024-11-23 23:50:33,507 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 356
[2024-11-23 23:50:33,529 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 543 states to 523 states and 710 transitions.
[2024-11-23 23:50:33,531 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 523
[2024-11-23 23:50:33,533 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 523
[2024-11-23 23:50:33,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 523 states and 710 transitions.
[2024-11-23 23:50:33,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-11-23 23:50:33,544 INFO L218 hiAutomatonCegarLoop]: Abstraction has 523 states and 710 transitions.
[2024-11-23 23:50:33,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states and 710 transitions.
[2024-11-23 23:50:33,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 520.
[2024-11-23 23:50:33,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 520 states have (on average 1.3576923076923078) internal successors, (706), 519 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:50:33,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 706 transitions.
[2024-11-23 23:50:33,623 INFO L240 hiAutomatonCegarLoop]: Abstraction has 520 states and 706 transitions.
[2024-11-23 23:50:33,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:50:33,631 INFO L425 stractBuchiCegarLoop]: Abstraction has 520 states and 706 transitions.
[2024-11-23 23:50:33,631 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============
[2024-11-23 23:50:33,631 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 520 states and 706 transitions.
[2024-11-23 23:50:33,636 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 353
[2024-11-23 23:50:33,636 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-23 23:50:33,636 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-23 23:50:33,637 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:50:33,637 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]
[2024-11-23 23:50:33,638 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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_#t~nondet54#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~10#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-11-23 23:50:33,638 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet51#1;test_~tmp~10#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1;" "assume !(0 != test_~tmp~10#1);" "havoc test_#t~nondet52#1;test_~tmp___0~3#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet53#1;test_~tmp___2~0#1 := test_#t~nondet53#1;havoc test_#t~nondet53#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet54#1;test_~tmp___1~1#1 := test_#t~nondet54#1;havoc test_#t~nondet54#1;" "assume !(0 != test_~tmp___1~1#1);" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1;" "assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret40#1, isMethaneAlarm_~retValue_acc~10#1;havoc isMethaneAlarm_~retValue_acc~10#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1;" "isMethaneAlarm_#t~ret40#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~10#1 := isMethaneAlarm_#t~ret40#1;havoc isMethaneAlarm_#t~ret40#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~10#1;" "processEnvironment_#t~ret39#1 := isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret40#1, isMethaneAlarm_~retValue_acc~10#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~7#1 := processEnvironment_#t~ret39#1;havoc processEnvironment_#t~ret39#1;" "assume 0 != processEnvironment_~tmp~7#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0;" "assume { :end_inline_deactivatePump } true;" "havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1;" "__utac_acc__Specification3_spec__1_#t~ret29#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret29#1;havoc __utac_acc__Specification3_spec__1_#t~ret29#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;"
[2024-11-23 23:50:33,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:50:33,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times
[2024-11-23 23:50:33,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-23 23:50:33,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241216781]
[2024-11-23 23:50:33,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:50:33,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:50:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:50:33,656 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 23:50:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:50:33,670 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-23 23:50:33,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:50:33,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1619352874, now seen corresponding path program 1 times
[2024-11-23 23:50:33,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-23 23:50:33,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404030865]
[2024-11-23 23:50:33,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:50:33,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:50:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:50:33,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-11-23 23:50:33,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404030865]
[2024-11-23 23:50:33,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404030865] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 23:50:33,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51115705]
[2024-11-23 23:50:33,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:50:33,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:50:33,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e3847c-34f4-4d81-9e91-0250aae2e287/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:50:33,716 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e3847c-34f4-4d81-9e91-0250aae2e287/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 23:50:33,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e3847c-34f4-4d81-9e91-0250aae2e287/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-23 23:50:33,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:50:33,790 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-23 23:50:33,791 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:50:33,804 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 23:50:33,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [51115705] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 23:50:33,817 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 23:50:33,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3
[2024-11-23 23:50:33,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412013951]
[2024-11-23 23:50:33,817 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 23:50:33,817 INFO L764 eck$LassoCheckResult]: loop already infeasible
[2024-11-23 23:50:33,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-11-23 23:50:33,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:50:33,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:50:33,818 INFO L87 Difference]: Start difference. First operand 520 states and 706 transitions. cyclomatic complexity: 189 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:50:34,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:50:34,087 INFO L93 Difference]: Finished difference Result 550 states and 711 transitions.
[2024-11-23 23:50:34,087 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 550 states and 711 transitions.
[2024-11-23 23:50:34,097 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 383
[2024-11-23 23:50:34,104 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 550 states to 550 states and 711 transitions.
[2024-11-23 23:50:34,104 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 550
[2024-11-23 23:50:34,106 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 550
[2024-11-23 23:50:34,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 550 states and 711 transitions.
[2024-11-23 23:50:34,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-11-23 23:50:34,113 INFO L218 hiAutomatonCegarLoop]: Abstraction has 550 states and 711 transitions.
[2024-11-23 23:50:34,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states and 711 transitions.
[2024-11-23 23:50:34,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 550.
[2024-11-23 23:50:34,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 550 states have (on average 1.2927272727272727) internal successors, (711), 549 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:50:34,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 711 transitions.
[2024-11-23 23:50:34,147 INFO L240 hiAutomatonCegarLoop]: Abstraction has 550 states and 711 transitions.
[2024-11-23 23:50:34,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:50:34,148 INFO L425 stractBuchiCegarLoop]: Abstraction has 550 states and 711 transitions.
[2024-11-23 23:50:34,148 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============
[2024-11-23 23:50:34,149 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 550 states and 711 transitions.
[2024-11-23 23:50:34,153 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 383
[2024-11-23 23:50:34,153 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-23 23:50:34,154 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-23 23:50:34,154 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:50:34,155 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:50:34,155 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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_#t~nondet54#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~10#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-11-23 23:50:34,155 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet51#1;test_~tmp~10#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1;" "assume !(0 != test_~tmp~10#1);" "havoc test_#t~nondet52#1;test_~tmp___0~3#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet53#1;test_~tmp___2~0#1 := test_#t~nondet53#1;havoc test_#t~nondet53#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet54#1;test_~tmp___1~1#1 := test_#t~nondet54#1;havoc test_#t~nondet54#1;" "assume !(0 != test_~tmp___1~1#1);" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret38#1, processEnvironment__wrappee__lowWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~6#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret37#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret49#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~12#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1;" "isHighWaterLevel_#t~ret49#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret49#1;havoc isHighWaterLevel_#t~ret49#1;" "assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~1#1 := 0;" "isHighWaterLevel_~retValue_acc~12#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret37#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret49#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5#1 := processEnvironment__wrappee__highWaterSensor_#t~ret37#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret37#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret37#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment__wrappee__lowWaterSensor_#t~ret38#1, processEnvironment__wrappee__lowWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true;" "havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1;" "__utac_acc__Specification3_spec__1_#t~ret29#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret29#1;havoc __utac_acc__Specification3_spec__1_#t~ret29#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;"
[2024-11-23 23:50:34,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:50:34,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times
[2024-11-23 23:50:34,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-23 23:50:34,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147522941]
[2024-11-23 23:50:34,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:50:34,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:50:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:50:34,170 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 23:50:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:50:34,183 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-23 23:50:34,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:50:34,184 INFO L85 PathProgramCache]: Analyzing trace with hash 658013200, now seen corresponding path program 1 times
[2024-11-23 23:50:34,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-23 23:50:34,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059851710]
[2024-11-23 23:50:34,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:50:34,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:50:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:50:34,198 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 23:50:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:50:34,215 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-23 23:50:34,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:50:34,216 INFO L85 PathProgramCache]: Analyzing trace with hash 532278476, now seen corresponding path program 1 times
[2024-11-23 23:50:34,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-23 23:50:34,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668810262]
[2024-11-23 23:50:34,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:50:34,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:50:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:50:34,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-11-23 23:50:34,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668810262]
[2024-11-23 23:50:34,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668810262] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 23:50:34,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743415263]
[2024-11-23 23:50:34,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:50:34,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:50:34,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e3847c-34f4-4d81-9e91-0250aae2e287/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:50:34,565 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e3847c-34f4-4d81-9e91-0250aae2e287/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 23:50:34,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e3847c-34f4-4d81-9e91-0250aae2e287/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-23 23:50:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:50:34,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-23 23:50:34,664 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:50:34,789 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 23:50:34,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743415263] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 23:50:34,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 23:50:34,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4
[2024-11-23 23:50:34,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228222476]
[2024-11-23 23:50:34,893 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 23:50:35,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-11-23 23:50:35,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 23:50:35,135 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-23 23:50:35,136 INFO L87 Difference]: Start difference. First operand 550 states and 711 transitions. cyclomatic complexity: 164 Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:50:35,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:50:35,318 INFO L93 Difference]: Finished difference Result 1093 states and 1399 transitions.
[2024-11-23 23:50:35,318 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1093 states and 1399 transitions.
[2024-11-23 23:50:35,330 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 766
[2024-11-23 23:50:35,341 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1093 states to 1093 states and 1399 transitions.
[2024-11-23 23:50:35,343 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1093
[2024-11-23 23:50:35,344 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1093
[2024-11-23 23:50:35,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1093 states and 1399 transitions.
[2024-11-23 23:50:35,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-11-23 23:50:35,349 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1093 states and 1399 transitions.
[2024-11-23 23:50:35,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states and 1399 transitions.
[2024-11-23 23:50:35,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 1093.
[2024-11-23 23:50:35,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1093 states, 1093 states have (on average 1.2799634034766698) internal successors, (1399), 1092 states have internal predecessors, (1399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:50:35,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 1093 states and 1399 transitions.
[2024-11-23 23:50:35,405 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1093 states and 1399 transitions.
[2024-11-23 23:50:35,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 23:50:35,407 INFO L425 stractBuchiCegarLoop]: Abstraction has 1093 states and 1399 transitions.
[2024-11-23 23:50:35,407 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============
[2024-11-23 23:50:35,407 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1093 states and 1399 transitions.
[2024-11-23 23:50:35,416 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 766
[2024-11-23 23:50:35,417 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-23 23:50:35,417 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-23 23:50:35,419 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:50:35,420 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:50:35,421 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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_#t~nondet54#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~10#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-11-23 23:50:35,421 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet51#1;test_~tmp~10#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1;" "assume !(0 != test_~tmp~10#1);" "havoc test_#t~nondet52#1;test_~tmp___0~3#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet53#1;test_~tmp___2~0#1 := test_#t~nondet53#1;havoc test_#t~nondet53#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret38#1, processEnvironment__wrappee__lowWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~6#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret37#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret49#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~12#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1;" "isHighWaterLevel_#t~ret49#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret49#1;havoc isHighWaterLevel_#t~ret49#1;" "assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~1#1 := 0;" "isHighWaterLevel_~retValue_acc~12#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret37#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret49#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5#1 := processEnvironment__wrappee__highWaterSensor_#t~ret37#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret37#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret37#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment__wrappee__lowWaterSensor_#t~ret38#1, processEnvironment__wrappee__lowWaterSensor_~tmp~6#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true;" "havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~7#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1;" "__utac_acc__Specification3_spec__1_#t~ret29#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret29#1;havoc __utac_acc__Specification3_spec__1_#t~ret29#1;" "assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1;" "__utac_acc__Specification3_spec__1_#t~ret30#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret30#1;havoc __utac_acc__Specification3_spec__1_#t~ret30#1;" "assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1);" "havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;"
[2024-11-23 23:50:35,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:50:35,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times
[2024-11-23 23:50:35,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-23 23:50:35,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051985879]
[2024-11-23 23:50:35,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:50:35,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:50:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:50:35,444 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 23:50:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:50:35,461 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-23 23:50:35,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:50:35,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1916715155, now seen corresponding path program 1 times
[2024-11-23 23:50:35,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-23 23:50:35,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235438550]
[2024-11-23 23:50:35,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:50:35,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:50:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:50:35,487 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 23:50:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:50:35,506 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-23 23:50:35,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:50:35,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1344729679, now seen corresponding path program 1 times
[2024-11-23 23:50:35,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-23 23:50:35,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274903806]
[2024-11-23 23:50:35,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:50:35,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:50:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:50:35,539 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 23:50:35,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:50:35,571 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-23 23:50:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:50:37,005 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 23:50:37,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:50:37,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 11:50:37 BoogieIcfgContainer
[2024-11-23 23:50:37,094 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2024-11-23 23:50:37,095 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 23:50:37,095 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-23 23:50:37,095 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-23 23:50:37,096 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:50:32" (3/4) ...
[2024-11-23 23:50:37,098 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample
[2024-11-23 23:50:37,175 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e3847c-34f4-4d81-9e91-0250aae2e287/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-23 23:50:37,176 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 23:50:37,178 INFO L158 Benchmark]: Toolchain (without parser) took 6878.97ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 41.5MB in the end (delta: 50.3MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB.
[2024-11-23 23:50:37,178 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:50:37,179 INFO L158 Benchmark]: CACSL2BoogieTranslator took 734.33ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 72.9MB in the end (delta: 18.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 23:50:37,179 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.44ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 69.0MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 23:50:37,179 INFO L158 Benchmark]: Boogie Preprocessor took 78.44ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 64.7MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:50:37,180 INFO L158 Benchmark]: RCFGBuilder took 1349.97ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 78.3MB in the end (delta: -13.6MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB.
[2024-11-23 23:50:37,180 INFO L158 Benchmark]: BuchiAutomizer took 4539.58ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 44.5MB in the end (delta: 33.8MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB.
[2024-11-23 23:50:37,181 INFO L158 Benchmark]: Witness Printer took 81.88ms. Allocated memory is still 117.4MB. Free memory was 44.5MB in the beginning and 41.5MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 23:50:37,184 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 734.33ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 72.9MB in the end (delta: 18.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 87.44ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 69.0MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 78.44ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 64.7MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 1349.97ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 78.3MB in the end (delta: -13.6MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB.
* BuchiAutomizer took 4539.58ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 44.5MB in the end (delta: 33.8MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB.
* Witness Printer took 81.88ms. Allocated memory is still 117.4MB. Free memory was 44.5MB in the beginning and 41.5MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResultAtLocation [Line: 49]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49]
- GenericResultAtLocation [Line: 153]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [153]
- GenericResultAtLocation [Line: 519]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [519]
- GenericResultAtLocation [Line: 554]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [554]
- GenericResultAtLocation [Line: 592]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [592]
- GenericResultAtLocation [Line: 699]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [699]
- GenericResultAtLocation [Line: 949]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [949]
- GenericResultAtLocation [Line: 1018]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1018]
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Constructed decomposition of program
Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 1093 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 4.4s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.3s. Construction of modules took 0.2s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 795 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 795 mSDsluCounter, 2199 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1278 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 118 IncrementalHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 921 mSDtfsCounter, 118 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 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: 962]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite program execution.
Stem:
[L50] int cleanupTimeShifts = 4;
[L323] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L597] int waterLevel = 1;
[L598] int methaneLevelCritical = 0;
[L704] int pumpRunning = 0;
[L705] int systemActive = 1;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L131] int retValue_acc ;
[L132] int tmp ;
[L136] FCALL select_helpers()
[L137] FCALL select_features()
[L138] CALL, EXPR valid_product()
[L546] int retValue_acc ;
[L549] retValue_acc = 1
[L550] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L138] RET, EXPR valid_product()
[L138] tmp = valid_product()
[L140] COND TRUE \read(tmp)
[L142] FCALL setup()
[L143] CALL runTest()
[L122] CALL test()
[L951] int splverifierCounter ;
[L952] int tmp ;
[L953] int tmp___0 ;
[L954] int tmp___1 ;
[L955] int tmp___2 ;
[L958] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L962] COND TRUE splverifierCounter < 4
[L968] tmp = __VERIFIER_nondet_int()
[L970] COND FALSE !(\read(tmp))
[L978] tmp___0 = __VERIFIER_nondet_int()
[L980] COND FALSE !(\read(tmp___0))
[L988] tmp___2 = __VERIFIER_nondet_int()
[L990] COND TRUE \read(tmp___2)
[L992] CALL startSystem()
[L945] systemActive = 1
[L992] RET startSystem()
[L1007] CALL timeShift()
[L711] COND FALSE !(\read(pumpRunning))
[L718] COND TRUE \read(systemActive)
[L720] CALL processEnvironment()
[L792] int tmp ;
[L795] COND FALSE !(\read(pumpRunning))
[L810] CALL processEnvironment__wrappee__lowWaterSensor()
[L766] int tmp ;
[L769] COND FALSE !(\read(pumpRunning))
[L784] CALL processEnvironment__wrappee__highWaterSensor()
[L740] int tmp ;
[L743] COND TRUE ! pumpRunning
[L745] CALL, EXPR isHighWaterLevel()
[L889] int retValue_acc ;
[L890] int tmp ;
[L891] int tmp___0 ;
[L895] CALL, EXPR isHighWaterSensorDry()
[L677] int retValue_acc ;
[L680] COND TRUE waterLevel < 2
[L681] retValue_acc = 1
[L682] return (retValue_acc);
[L895] RET, EXPR isHighWaterSensorDry()
[L895] tmp = isHighWaterSensorDry()
[L897] COND TRUE \read(tmp)
[L898] tmp___0 = 0
[L902] retValue_acc = tmp___0
[L903] return (retValue_acc);
[L745] RET, EXPR isHighWaterLevel()
[L745] tmp = isHighWaterLevel()
[L747] COND FALSE !(\read(tmp))
[L753] FCALL processEnvironment__wrappee__base()
[L784] RET processEnvironment__wrappee__highWaterSensor()
[L810] RET processEnvironment__wrappee__lowWaterSensor()
[L720] RET processEnvironment()
[L726] CALL __utac_acc__Specification3_spec__1()
[L560] int tmp ;
[L561] int tmp___0 ;
[L562] int tmp___1 ;
[L566] CALL, EXPR isMethaneLevelCritical()
[L636] int retValue_acc ;
[L639] retValue_acc = methaneLevelCritical
[L640] return (retValue_acc);
[L566] RET, EXPR isMethaneLevelCritical()
[L566] tmp = isMethaneLevelCritical()
[L568] COND FALSE !(\read(tmp))
[L572] CALL, EXPR getWaterLevel()
[L668] int retValue_acc ;
[L671] retValue_acc = waterLevel
[L672] return (retValue_acc);
[L572] RET, EXPR getWaterLevel()
[L572] tmp___0 = getWaterLevel()
[L574] COND FALSE !(tmp___0 == 2)
[L726] RET __utac_acc__Specification3_spec__1()
[L1007] RET timeShift()
End of lasso representation.
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 962]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L50] int cleanupTimeShifts = 4;
[L323] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L597] int waterLevel = 1;
[L598] int methaneLevelCritical = 0;
[L704] int pumpRunning = 0;
[L705] int systemActive = 1;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L131] int retValue_acc ;
[L132] int tmp ;
[L136] FCALL select_helpers()
[L137] FCALL select_features()
[L138] CALL, EXPR valid_product()
[L546] int retValue_acc ;
[L549] retValue_acc = 1
[L550] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L138] RET, EXPR valid_product()
[L138] tmp = valid_product()
[L140] COND TRUE \read(tmp)
[L142] FCALL setup()
[L143] CALL runTest()
[L122] CALL test()
[L951] int splverifierCounter ;
[L952] int tmp ;
[L953] int tmp___0 ;
[L954] int tmp___1 ;
[L955] int tmp___2 ;
[L958] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L962] COND TRUE splverifierCounter < 4
[L968] tmp = __VERIFIER_nondet_int()
[L970] COND FALSE !(\read(tmp))
[L978] tmp___0 = __VERIFIER_nondet_int()
[L980] COND FALSE !(\read(tmp___0))
[L988] tmp___2 = __VERIFIER_nondet_int()
[L990] COND TRUE \read(tmp___2)
[L992] CALL startSystem()
[L945] systemActive = 1
[L992] RET startSystem()
[L1007] CALL timeShift()
[L711] COND FALSE !(\read(pumpRunning))
[L718] COND TRUE \read(systemActive)
[L720] CALL processEnvironment()
[L792] int tmp ;
[L795] COND FALSE !(\read(pumpRunning))
[L810] CALL processEnvironment__wrappee__lowWaterSensor()
[L766] int tmp ;
[L769] COND FALSE !(\read(pumpRunning))
[L784] CALL processEnvironment__wrappee__highWaterSensor()
[L740] int tmp ;
[L743] COND TRUE ! pumpRunning
[L745] CALL, EXPR isHighWaterLevel()
[L889] int retValue_acc ;
[L890] int tmp ;
[L891] int tmp___0 ;
[L895] CALL, EXPR isHighWaterSensorDry()
[L677] int retValue_acc ;
[L680] COND TRUE waterLevel < 2
[L681] retValue_acc = 1
[L682] return (retValue_acc);
[L895] RET, EXPR isHighWaterSensorDry()
[L895] tmp = isHighWaterSensorDry()
[L897] COND TRUE \read(tmp)
[L898] tmp___0 = 0
[L902] retValue_acc = tmp___0
[L903] return (retValue_acc);
[L745] RET, EXPR isHighWaterLevel()
[L745] tmp = isHighWaterLevel()
[L747] COND FALSE !(\read(tmp))
[L753] FCALL processEnvironment__wrappee__base()
[L784] RET processEnvironment__wrappee__highWaterSensor()
[L810] RET processEnvironment__wrappee__lowWaterSensor()
[L720] RET processEnvironment()
[L726] CALL __utac_acc__Specification3_spec__1()
[L560] int tmp ;
[L561] int tmp___0 ;
[L562] int tmp___1 ;
[L566] CALL, EXPR isMethaneLevelCritical()
[L636] int retValue_acc ;
[L639] retValue_acc = methaneLevelCritical
[L640] return (retValue_acc);
[L566] RET, EXPR isMethaneLevelCritical()
[L566] tmp = isMethaneLevelCritical()
[L568] COND FALSE !(\read(tmp))
[L572] CALL, EXPR getWaterLevel()
[L668] int retValue_acc ;
[L671] retValue_acc = waterLevel
[L672] return (retValue_acc);
[L572] RET, EXPR getWaterLevel()
[L572] tmp___0 = getWaterLevel()
[L574] COND FALSE !(tmp___0 == 2)
[L726] RET __utac_acc__Specification3_spec__1()
[L1007] RET timeShift()
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2024-11-23 23:50:37,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e3847c-34f4-4d81-9e91-0250aae2e287/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-23 23:50:37,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e3847c-34f4-4d81-9e91-0250aae2e287/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-23 23:50:37,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e3847c-34f4-4d81-9e91-0250aae2e287/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-23 23:50:37,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47e3847c-34f4-4d81-9e91-0250aae2e287/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)