./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version b2eff8ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b3e3f2-2b8c-4ac8-8f19-404b3d5a5bf6/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b3e3f2-2b8c-4ac8-8f19-404b3d5a5bf6/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b3e3f2-2b8c-4ac8-8f19-404b3d5a5bf6/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b3e3f2-2b8c-4ac8-8f19-404b3d5a5bf6/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b3e3f2-2b8c-4ac8-8f19-404b3d5a5bf6/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b3e3f2-2b8c-4ac8-8f19-404b3d5a5bf6/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --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 fa0eab3945757815cbe114f72b31b9c97b3f41e20a7d5f245c817ae82afdf9aa
...........................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(TERM)
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-b2eff8b
[2021-10-28 23:52:31,041 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-28 23:52:31,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-28 23:52:31,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-28 23:52:31,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-28 23:52:31,078 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-28 23:52:31,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-28 23:52:31,083 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-28 23:52:31,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-28 23:52:31,088 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-28 23:52:31,090 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-28 23:52:31,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-28 23:52:31,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-28 23:52:31,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-28 23:52:31,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-28 23:52:31,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-28 23:52:31,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-28 23:52:31,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-28 23:52:31,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-28 23:52:31,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-28 23:52:31,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-28 23:52:31,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-28 23:52:31,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-28 23:52:31,132 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-28 23:52:31,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-28 23:52:31,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-28 23:52:31,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-28 23:52:31,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-28 23:52:31,140 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-28 23:52:31,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-28 23:52:31,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-28 23:52:31,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-28 23:52:31,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-28 23:52:31,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-28 23:52:31,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-28 23:52:31,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-28 23:52:31,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-28 23:52:31,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-28 23:52:31,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-28 23:52:31,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-28 23:52:31,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-28 23:52:31,151 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b3e3f2-2b8c-4ac8-8f19-404b3d5a5bf6/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf
[2021-10-28 23:52:31,203 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-28 23:52:31,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-28 23:52:31,203 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-28 23:52:31,203 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-28 23:52:31,204 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-28 23:52:31,205 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-28 23:52:31,205 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-28 23:52:31,205 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-10-28 23:52:31,205 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2021-10-28 23:52:31,205 INFO L138 SettingsManager]: * Use old map elimination=false
[2021-10-28 23:52:31,206 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2021-10-28 23:52:31,206 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2021-10-28 23:52:31,206 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2021-10-28 23:52:31,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-28 23:52:31,206 INFO L138 SettingsManager]: * sizeof long=4
[2021-10-28 23:52:31,207 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-10-28 23:52:31,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-28 23:52:31,207 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-10-28 23:52:31,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-28 23:52:31,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2021-10-28 23:52:31,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-10-28 23:52:31,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2021-10-28 23:52:31,208 INFO L138 SettingsManager]: * sizeof long double=12
[2021-10-28 23:52:31,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-10-28 23:52:31,208 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2021-10-28 23:52:31,208 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-28 23:52:31,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2021-10-28 23:52:31,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-28 23:52:31,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-28 23:52:31,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-28 23:52:31,214 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-10-28 23:52:31,215 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-28 23:52:31,216 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-10-28 23:52:31,217 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b3e3f2-2b8c-4ac8-8f19-404b3d5a5bf6/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b3e3f2-2b8c-4ac8-8f19-404b3d5a5bf6/bin/uautomizer-GMMbpWq8iD
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa0eab3945757815cbe114f72b31b9c97b3f41e20a7d5f245c817ae82afdf9aa
[2021-10-28 23:52:31,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-28 23:52:31,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-28 23:52:31,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-28 23:52:31,564 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-28 23:52:31,565 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-28 23:52:31,566 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b3e3f2-2b8c-4ac8-8f19-404b3d5a5bf6/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c
[2021-10-28 23:52:31,650 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b3e3f2-2b8c-4ac8-8f19-404b3d5a5bf6/bin/uautomizer-GMMbpWq8iD/data/1f73f1a19/000bed92f78b4ac2bde08334790cf6de/FLAG4c85e967f
[2021-10-28 23:52:32,137 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-28 23:52:32,144 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b3e3f2-2b8c-4ac8-8f19-404b3d5a5bf6/sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c
[2021-10-28 23:52:32,166 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b3e3f2-2b8c-4ac8-8f19-404b3d5a5bf6/bin/uautomizer-GMMbpWq8iD/data/1f73f1a19/000bed92f78b4ac2bde08334790cf6de/FLAG4c85e967f
[2021-10-28 23:52:32,466 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b3e3f2-2b8c-4ac8-8f19-404b3d5a5bf6/bin/uautomizer-GMMbpWq8iD/data/1f73f1a19/000bed92f78b4ac2bde08334790cf6de
[2021-10-28 23:52:32,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-28 23:52:32,469 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-28 23:52:32,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-28 23:52:32,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-28 23:52:32,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-28 23:52:32,500 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:52:32" (1/1) ...
[2021-10-28 23:52:32,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30b8a5a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:52:32, skipping insertion in model container
[2021-10-28 23:52:32,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:52:32" (1/1) ...
[2021-10-28 23:52:32,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-28 23:52:32,565 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-28 23:52:32,940 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b3e3f2-2b8c-4ac8-8f19-404b3d5a5bf6/sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c[11292,11305]
[2021-10-28 23:52:33,038 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:52:33,060 INFO L203 MainTranslator]: Completed pre-run
[2021-10-28 23:52:33,124 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b3e3f2-2b8c-4ac8-8f19-404b3d5a5bf6/sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c[11292,11305]
[2021-10-28 23:52:33,166 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:52:33,185 INFO L208 MainTranslator]: Completed translation
[2021-10-28 23:52:33,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:52:33 WrapperNode
[2021-10-28 23:52:33,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-28 23:52:33,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-28 23:52:33,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-28 23:52:33,187 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-28 23:52:33,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:52:33" (1/1) ...
[2021-10-28 23:52:33,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:52:33" (1/1) ...
[2021-10-28 23:52:33,312 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-28 23:52:33,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-28 23:52:33,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-28 23:52:33,313 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-10-28 23:52:33,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:52:33" (1/1) ...
[2021-10-28 23:52:33,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:52:33" (1/1) ...
[2021-10-28 23:52:33,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:52:33" (1/1) ...
[2021-10-28 23:52:33,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:52:33" (1/1) ...
[2021-10-28 23:52:33,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:52:33" (1/1) ...
[2021-10-28 23:52:33,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:52:33" (1/1) ...
[2021-10-28 23:52:33,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:52:33" (1/1) ...
[2021-10-28 23:52:33,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-28 23:52:33,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-28 23:52:33,410 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-10-28 23:52:33,410 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-10-28 23:52:33,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:52:33" (1/1) ...
[2021-10-28 23:52:33,418 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 23:52:33,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b3e3f2-2b8c-4ac8-8f19-404b3d5a5bf6/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:52:33,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b3e3f2-2b8c-4ac8-8f19-404b3d5a5bf6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 23:52:33,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b3e3f2-2b8c-4ac8-8f19-404b3d5a5bf6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2021-10-28 23:52:33,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-28 23:52:33,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-28 23:52:33,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-28 23:52:33,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-28 23:52:34,550 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-28 23:52:34,551 INFO L299 CfgBuilder]: Removed 284 assume(true) statements.
[2021-10-28 23:52:34,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:52:34 BoogieIcfgContainer
[2021-10-28 23:52:34,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-28 23:52:34,555 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-10-28 23:52:34,555 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2021-10-28 23:52:34,558 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2021-10-28 23:52:34,559 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 23:52:34,559 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:52:32" (1/3) ...
[2021-10-28 23:52:34,561 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29a35d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:52:34, skipping insertion in model container
[2021-10-28 23:52:34,561 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 23:52:34,561 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:52:33" (2/3) ...
[2021-10-28 23:52:34,561 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29a35d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:52:34, skipping insertion in model container
[2021-10-28 23:52:34,562 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 23:52:34,562 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:52:34" (3/3) ...
[2021-10-28 23:52:34,564 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product56.cil.c
[2021-10-28 23:52:34,608 INFO L359 BuchiCegarLoop]: Interprodecural is true
[2021-10-28 23:52:34,608 INFO L360 BuchiCegarLoop]: Hoare is false
[2021-10-28 23:52:34,608 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-10-28 23:52:34,609 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-28 23:52:34,609 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-28 23:52:34,609 INFO L364 BuchiCegarLoop]: Difference is false
[2021-10-28 23:52:34,609 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-28 23:52:34,609 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-10-28 23:52:34,629 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 192 states, 191 states have (on average 1.544502617801047) internal successors, (295), 191 states have internal predecessors, (295), 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)
[2021-10-28 23:52:34,683 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 125
[2021-10-28 23:52:34,683 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:52:34,684 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:52:34,691 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:52:34,691 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:52:34,691 INFO L425 BuchiCegarLoop]: ======== Iteration 1============
[2021-10-28 23:52:34,693 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 192 states, 191 states have (on average 1.544502617801047) internal successors, (295), 191 states have internal predecessors, (295), 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)
[2021-10-28 23:52:34,701 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 125
[2021-10-28 23:52:34,701 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:52:34,701 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:52:34,703 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:52:34,703 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:52:34,708 INFO L791 eck$LassoCheckResult]: Stem: 166#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string45.base, #t~string45.offset, 1);call write~init~int(77, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(101, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(116, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(104, #t~string45.base, 4 + #t~string45.offset, 1);call write~init~int(58, #t~string45.base, 5 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 6 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string47.base, #t~string47.offset, 1);call write~init~int(82, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(73, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(84, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 4 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(75, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string51.base, #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 1 + #t~string51.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(80, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(117, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(109, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(112, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(110, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 3 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(32, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 61#L-1true havoc main_#res;havoc main_#t~ret81, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10; 151#L923true havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; 11#L931true main_#t~ret81 := valid_product_#res;main_~tmp~10 := main_#t~ret81;havoc main_#t~ret81; 113#L1019true assume 0 != main_~tmp~10; 148#L995true ~methAndRunningLastTime~0 := 0; 71#L543true havoc test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 13#L554-1true
[2021-10-28 23:52:34,708 INFO L793 eck$LassoCheckResult]: Loop: 13#L554-1true assume !false; 149#L840true assume test_~splverifierCounter~0 < 4; 105#L841true test_~tmp~9 := test_#t~nondet76;havoc test_#t~nondet76; 178#L849true assume !(0 != test_~tmp~9); 59#L849-1true test_~tmp___0~3 := test_#t~nondet77;havoc test_#t~nondet77; 163#L859true assume !(0 != test_~tmp___0~3); 192#L859-1true test_~tmp___2~0 := test_#t~nondet78;havoc test_#t~nondet78; 78#L869true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 188#L877-1true assume !(0 != ~pumpRunning~0); 20#L589true assume !(0 != ~systemActive~0); 68#L596true havoc __utac_acc__Specification2_spec__2_#t~ret52, __utac_acc__Specification2_spec__2_#t~ret53, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 55#L476-1true __utac_acc__Specification2_spec__2_#t~ret52 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret52;havoc __utac_acc__Specification2_spec__2_#t~ret52; 194#L554true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3);~methAndRunningLastTime~0 := 0; 13#L554-1true
[2021-10-28 23:52:34,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:52:34,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times
[2021-10-28 23:52:34,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:52:34,724 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059074873]
[2021-10-28 23:52:34,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:52:34,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:52:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:52:34,993 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:52:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:52:35,113 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:52:35,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:52:35,116 INFO L85 PathProgramCache]: Analyzing trace with hash 17344788, now seen corresponding path program 1 times
[2021-10-28 23:52:35,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:52:35,117 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283898053]
[2021-10-28 23:52:35,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:52:35,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:52:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:52:35,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:52:35,174 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:52:35,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283898053]
[2021-10-28 23:52:35,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283898053] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:52:35,175 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:52:35,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 23:52:35,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771633535]
[2021-10-28 23:52:35,180 INFO L808 eck$LassoCheckResult]: loop already infeasible
[2021-10-28 23:52:35,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:52:35,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:52:35,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:52:35,198 INFO L87 Difference]: Start difference. First operand has 192 states, 191 states have (on average 1.544502617801047) internal successors, (295), 191 states have internal predecessors, (295), 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 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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)
[2021-10-28 23:52:35,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:52:35,288 INFO L93 Difference]: Finished difference Result 377 states and 565 transitions.
[2021-10-28 23:52:35,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:52:35,291 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 377 states and 565 transitions.
[2021-10-28 23:52:35,301 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 246
[2021-10-28 23:52:35,310 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 377 states to 363 states and 550 transitions.
[2021-10-28 23:52:35,311 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 363
[2021-10-28 23:52:35,313 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 363
[2021-10-28 23:52:35,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 363 states and 550 transitions.
[2021-10-28 23:52:35,317 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:52:35,317 INFO L681 BuchiCegarLoop]: Abstraction has 363 states and 550 transitions.
[2021-10-28 23:52:35,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states and 550 transitions.
[2021-10-28 23:52:35,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 361.
[2021-10-28 23:52:35,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 361 states have (on average 1.5152354570637119) internal successors, (547), 360 states have internal predecessors, (547), 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)
[2021-10-28 23:52:35,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 547 transitions.
[2021-10-28 23:52:35,366 INFO L704 BuchiCegarLoop]: Abstraction has 361 states and 547 transitions.
[2021-10-28 23:52:35,367 INFO L587 BuchiCegarLoop]: Abstraction has 361 states and 547 transitions.
[2021-10-28 23:52:35,367 INFO L425 BuchiCegarLoop]: ======== Iteration 2============
[2021-10-28 23:52:35,367 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 361 states and 547 transitions.
[2021-10-28 23:52:35,370 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 244
[2021-10-28 23:52:35,371 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:52:35,371 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:52:35,372 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:52:35,372 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:52:35,372 INFO L791 eck$LassoCheckResult]: Stem: 781#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string45.base, #t~string45.offset, 1);call write~init~int(77, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(101, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(116, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(104, #t~string45.base, 4 + #t~string45.offset, 1);call write~init~int(58, #t~string45.base, 5 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 6 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string47.base, #t~string47.offset, 1);call write~init~int(82, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(73, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(84, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 4 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(75, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string51.base, #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 1 + #t~string51.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(80, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(117, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(109, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(112, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(110, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 3 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(32, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 673#L-1 havoc main_#res;havoc main_#t~ret81, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10; 674#L923 havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; 592#L931 main_#t~ret81 := valid_product_#res;main_~tmp~10 := main_#t~ret81;havoc main_#t~ret81; 593#L1019 assume 0 != main_~tmp~10; 738#L995 ~methAndRunningLastTime~0 := 0; 685#L543 havoc test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 686#L554-1
[2021-10-28 23:52:35,372 INFO L793 eck$LassoCheckResult]: Loop: 686#L554-1 assume !false; 891#L840 assume test_~splverifierCounter~0 < 4; 890#L841 test_~tmp~9 := test_#t~nondet76;havoc test_#t~nondet76; 889#L849 assume !(0 != test_~tmp~9); 887#L849-1 test_~tmp___0~3 := test_#t~nondet77;havoc test_#t~nondet77; 886#L859 assume !(0 != test_~tmp___0~3); 884#L859-1 test_~tmp___2~0 := test_#t~nondet78;havoc test_#t~nondet78; 883#L869 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 695#L877-1 assume !(0 != ~pumpRunning~0); 609#L589 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret56, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 610#L673 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret55, processEnvironment__wrappee__lowWaterSensor_~tmp~5;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5; 916#L647-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret54, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; 907#L621-3 assume !(0 == ~pumpRunning~0); 897#L596 havoc __utac_acc__Specification2_spec__2_#t~ret52, __utac_acc__Specification2_spec__2_#t~ret53, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 896#L476-1 __utac_acc__Specification2_spec__2_#t~ret52 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret52;havoc __utac_acc__Specification2_spec__2_#t~ret52; 892#L554 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3);~methAndRunningLastTime~0 := 0; 686#L554-1
[2021-10-28 23:52:35,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:52:35,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times
[2021-10-28 23:52:35,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:52:35,374 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478339117]
[2021-10-28 23:52:35,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:52:35,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:52:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:52:35,475 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:52:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:52:35,579 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:52:35,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:52:35,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1068871812, now seen corresponding path program 1 times
[2021-10-28 23:52:35,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:52:35,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184053086]
[2021-10-28 23:52:35,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:52:35,581 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:52:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:52:35,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:52:35,598 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:52:35,598 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184053086]
[2021-10-28 23:52:35,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184053086] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:52:35,599 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:52:35,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 23:52:35,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529578215]
[2021-10-28 23:52:35,599 INFO L808 eck$LassoCheckResult]: loop already infeasible
[2021-10-28 23:52:35,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:52:35,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:52:35,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:52:35,601 INFO L87 Difference]: Start difference. First operand 361 states and 547 transitions. cyclomatic complexity: 189 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)
[2021-10-28 23:52:35,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:52:35,726 INFO L93 Difference]: Finished difference Result 378 states and 539 transitions.
[2021-10-28 23:52:35,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:52:35,727 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 378 states and 539 transitions.
[2021-10-28 23:52:35,731 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 263
[2021-10-28 23:52:35,736 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 378 states to 378 states and 539 transitions.
[2021-10-28 23:52:35,736 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 378
[2021-10-28 23:52:35,737 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 378
[2021-10-28 23:52:35,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 378 states and 539 transitions.
[2021-10-28 23:52:35,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:52:35,739 INFO L681 BuchiCegarLoop]: Abstraction has 378 states and 539 transitions.
[2021-10-28 23:52:35,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states and 539 transitions.
[2021-10-28 23:52:35,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 378.
[2021-10-28 23:52:35,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 378 states have (on average 1.4259259259259258) internal successors, (539), 377 states have internal predecessors, (539), 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)
[2021-10-28 23:52:35,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 539 transitions.
[2021-10-28 23:52:35,758 INFO L704 BuchiCegarLoop]: Abstraction has 378 states and 539 transitions.
[2021-10-28 23:52:35,758 INFO L587 BuchiCegarLoop]: Abstraction has 378 states and 539 transitions.
[2021-10-28 23:52:35,759 INFO L425 BuchiCegarLoop]: ======== Iteration 3============
[2021-10-28 23:52:35,759 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 378 states and 539 transitions.
[2021-10-28 23:52:35,762 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 263
[2021-10-28 23:52:35,762 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:52:35,762 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:52:35,763 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:52:35,763 INFO L843 BuchiCegarLoop]: 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]
[2021-10-28 23:52:35,763 INFO L791 eck$LassoCheckResult]: Stem: 1500#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string45.base, #t~string45.offset, 1);call write~init~int(77, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(101, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(116, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(104, #t~string45.base, 4 + #t~string45.offset, 1);call write~init~int(58, #t~string45.base, 5 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 6 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string47.base, #t~string47.offset, 1);call write~init~int(82, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(73, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(84, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 4 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(75, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string51.base, #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 1 + #t~string51.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(80, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(117, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(109, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(112, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(110, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 3 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(32, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 1415#L-1 havoc main_#res;havoc main_#t~ret81, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10; 1416#L923 havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; 1337#L931 main_#t~ret81 := valid_product_#res;main_~tmp~10 := main_#t~ret81;havoc main_#t~ret81; 1338#L1019 assume 0 != main_~tmp~10; 1472#L995 ~methAndRunningLastTime~0 := 0; 1426#L543 havoc test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1427#L554-1
[2021-10-28 23:52:35,764 INFO L793 eck$LassoCheckResult]: Loop: 1427#L554-1 assume !false; 1492#L840 assume test_~splverifierCounter~0 < 4; 1462#L841 test_~tmp~9 := test_#t~nondet76;havoc test_#t~nondet76; 1463#L849 assume !(0 != test_~tmp~9); 1409#L849-1 test_~tmp___0~3 := test_#t~nondet77;havoc test_#t~nondet77; 1410#L859 assume !(0 != test_~tmp___0~3); 1412#L859-1 test_~tmp___2~0 := test_#t~nondet78;havoc test_#t~nondet78; 1435#L869 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 1378#L877-1 assume !(0 != ~pumpRunning~0); 1354#L589 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret56, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 1355#L673 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret55, processEnvironment__wrappee__lowWaterSensor_~tmp~5;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5; 1388#L647-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret54, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; 1389#L621-3 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret74, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; 1424#L516-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; 1476#L521-3 isHighWaterLevel_#t~ret74 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret74;havoc isHighWaterLevel_#t~ret74; 1474#L775-9 assume 0 != isHighWaterLevel_~tmp~7;isHighWaterLevel_~tmp___0~1 := 0; 1380#L775-11 isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; 1381#L781-3 processEnvironment__wrappee__highWaterSensor_#t~ret54 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~4 := processEnvironment__wrappee__highWaterSensor_#t~ret54;havoc processEnvironment__wrappee__highWaterSensor_#t~ret54; 1431#L625-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~4); 1345#L596 havoc __utac_acc__Specification2_spec__2_#t~ret52, __utac_acc__Specification2_spec__2_#t~ret53, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 1562#L476-1 __utac_acc__Specification2_spec__2_#t~ret52 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret52;havoc __utac_acc__Specification2_spec__2_#t~ret52; 1558#L554 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3);~methAndRunningLastTime~0 := 0; 1427#L554-1
[2021-10-28 23:52:35,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:52:35,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times
[2021-10-28 23:52:35,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:52:35,765 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034490654]
[2021-10-28 23:52:35,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:52:35,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:52:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:52:35,803 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:52:35,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:52:35,877 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:52:35,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:52:35,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1737135944, now seen corresponding path program 1 times
[2021-10-28 23:52:35,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:52:35,878 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957876279]
[2021-10-28 23:52:35,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:52:35,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:52:35,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:52:35,884 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:52:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:52:35,909 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:52:35,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:52:35,910 INFO L85 PathProgramCache]: Analyzing trace with hash 869951502, now seen corresponding path program 1 times
[2021-10-28 23:52:35,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:52:35,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2822409]
[2021-10-28 23:52:35,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:52:35,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:52:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:52:35,992 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:52:36,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:52:36,088 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:53:38,225 WARN L207 SmtUtils]: Spent 1.03 m on a formula simplification. DAG size of input: 495 DAG size of output: 437
[2021-10-28 23:54:39,107 WARN L207 SmtUtils]: Spent 30.07 s on a formula simplification that was a NOOP. DAG size: 435
[2021-10-28 23:54:39,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:54:39 BoogieIcfgContainer
[2021-10-28 23:54:39,301 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-10-28 23:54:39,302 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-28 23:54:39,302 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-10-28 23:54:39,302 INFO L275 PluginConnector]: Witness Printer initialized
[2021-10-28 23:54:39,303 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:52:34" (3/4) ...
[2021-10-28 23:54:39,306 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample
[2021-10-28 23:54:39,394 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b3e3f2-2b8c-4ac8-8f19-404b3d5a5bf6/bin/uautomizer-GMMbpWq8iD/witness.graphml
[2021-10-28 23:54:39,394 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-28 23:54:39,395 INFO L168 Benchmark]: Toolchain (without parser) took 126925.39 ms. Allocated memory was 92.3 MB in the beginning and 144.7 MB in the end (delta: 52.4 MB). Free memory was 52.6 MB in the beginning and 109.9 MB in the end (delta: -57.3 MB). Peak memory consumption was 74.0 MB. Max. memory is 16.1 GB.
[2021-10-28 23:54:39,396 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 92.3 MB. Free memory is still 69.9 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 23:54:39,396 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.30 ms. Allocated memory is still 92.3 MB. Free memory was 52.4 MB in the beginning and 59.7 MB in the end (delta: -7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB.
[2021-10-28 23:54:39,397 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.52 ms. Allocated memory is still 92.3 MB. Free memory was 59.7 MB in the beginning and 55.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-28 23:54:39,397 INFO L168 Benchmark]: Boogie Preprocessor took 96.24 ms. Allocated memory is still 92.3 MB. Free memory was 55.0 MB in the beginning and 51.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-28 23:54:39,398 INFO L168 Benchmark]: RCFGBuilder took 1143.60 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 51.6 MB in the beginning and 52.4 MB in the end (delta: -826.5 kB). Peak memory consumption was 28.6 MB. Max. memory is 16.1 GB.
[2021-10-28 23:54:39,398 INFO L168 Benchmark]: BuchiAutomizer took 124746.66 ms. Allocated memory was 111.1 MB in the beginning and 144.7 MB in the end (delta: 33.6 MB). Free memory was 52.4 MB in the beginning and 32.4 MB in the end (delta: 20.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 16.1 GB.
[2021-10-28 23:54:39,399 INFO L168 Benchmark]: Witness Printer took 92.16 ms. Allocated memory is still 144.7 MB. Free memory was 32.4 MB in the beginning and 109.9 MB in the end (delta: -77.5 MB). Peak memory consumption was 2.2 MB. Max. memory is 16.1 GB.
[2021-10-28 23:54:39,402 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.34 ms. Allocated memory is still 92.3 MB. Free memory is still 69.9 MB. There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 715.30 ms. Allocated memory is still 92.3 MB. Free memory was 52.4 MB in the beginning and 59.7 MB in the end (delta: -7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB.
* Boogie Procedure Inliner took 125.52 ms. Allocated memory is still 92.3 MB. Free memory was 59.7 MB in the beginning and 55.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
* Boogie Preprocessor took 96.24 ms. Allocated memory is still 92.3 MB. Free memory was 55.0 MB in the beginning and 51.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
* RCFGBuilder took 1143.60 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 51.6 MB in the beginning and 52.4 MB in the end (delta: -826.5 kB). Peak memory consumption was 28.6 MB. Max. memory is 16.1 GB.
* BuchiAutomizer took 124746.66 ms. Allocated memory was 111.1 MB in the beginning and 144.7 MB in the end (delta: 33.6 MB). Free memory was 52.4 MB in the beginning and 32.4 MB in the end (delta: 20.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 16.1 GB.
* Witness Printer took 92.16 ms. Allocated memory is still 144.7 MB. Free memory was 32.4 MB in the beginning and 109.9 MB in the end (delta: -77.5 MB). Peak memory consumption was 2.2 MB. Max. memory is 16.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Constructed decomposition of program
Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 378 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 124.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 124.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 378 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 492 SDtfs, 426 SDslu, 356 SDs, 0 SdLazy, 53 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s
- TerminationAnalysisResult: Nontermination possible
Buchi Automizer proved that your program is nonterminating for some inputs
- FixpointNonTerminationResult [Line: 839]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite execution
State at position 0 is
{NULL=19269}
State at position 1 is
{NULL=0, NULL=0, NULL=19269, NULL=19271, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3342c22e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c3e25ca=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@465132e6=0, methaneLevelCritical=0, retValue_acc=0, NULL=0, tmp___1=0, tmp=0, NULL=19292, NULL=0, NULL=19274, NULL=19289, cleanupTimeShifts=4, NULL=19285, tmp=1, NULL=0, waterLevel=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41a9fc74=0, NULL=0, \result=1, head=0, pumpRunning=0, retValue_acc=1, NULL=0, NULL=0, NULL=0, \result=1, NULL=19278, NULL=0, NULL=0, tmp=1, tmp___0=0, NULL=19287, NULL=19276, methAndRunningLastTime=0, NULL=19286, NULL=19279, head=0, NULL=0, NULL=0, tmp=0, NULL=19277, NULL=0, NULL=0, NULL=19284, NULL=0, NULL=0, NULL=19288, NULL=19272, NULL=0, NULL=19297, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6359b10f=0, NULL=0, NULL=0, tmp=0, NULL=0, NULL=19281, tmp=0, NULL=19282, NULL=19290, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1cb5d63b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@535bf0a2=83, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@35dd8077=0, NULL=0, NULL=0, NULL=0, systemActive=1, NULL=19270, retValue_acc=0, \result=0, NULL=19291, NULL=19275, retValue_acc=0, NULL=19293, \result=0, NULL=0, NULL=19296, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2bc6a7fd=0, tmp___0=0, NULL=19280, NULL=19273, tmp___2=83, splverifierCounter=0, NULL=0, NULL=0, \result=0, NULL=19294, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@266aee4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@559bae15=0, tmp=0, NULL=19283, NULL=19295}
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 1]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L433] int waterLevel = 1;
[L434] int methaneLevelCritical = 0;
[L537] int methAndRunningLastTime ;
[L582] int pumpRunning = 0;
[L583] int systemActive = 1;
[L936] int cleanupTimeShifts = 4;
[L1010] int retValue_acc ;
[L1011] int tmp ;
[L927] int retValue_acc ;
[L930] retValue_acc = 1
[L931] return (retValue_acc);
[L1017] tmp = valid_product()
[L1019] COND TRUE \read(tmp)
[L542] methAndRunningLastTime = 0
[L830] int splverifierCounter ;
[L831] int tmp ;
[L832] int tmp___0 ;
[L833] int tmp___1 ;
[L834] int tmp___2 ;
[L837] splverifierCounter = 0
Loop:
[L839] COND TRUE 1
[L841] COND TRUE splverifierCounter < 4
[L847] tmp = __VERIFIER_nondet_int()
[L849] COND FALSE !(\read(tmp))
[L857] tmp___0 = __VERIFIER_nondet_int()
[L859] COND FALSE !(\read(tmp___0))
[L867] tmp___2 = __VERIFIER_nondet_int()
[L869] COND TRUE \read(tmp___2)
[L823] systemActive = 1
[L589] COND FALSE !(\read(pumpRunning))
[L596] COND TRUE \read(systemActive)
[L670] int tmp ;
[L673] COND FALSE !(\read(pumpRunning))
[L644] int tmp ;
[L647] COND FALSE !(\read(pumpRunning))
[L618] int tmp ;
[L621] COND TRUE ! pumpRunning
[L767] int retValue_acc ;
[L768] int tmp ;
[L769] int tmp___0 ;
[L513] int retValue_acc ;
[L516] COND TRUE waterLevel < 2
[L517] retValue_acc = 1
[L518] return (retValue_acc);
[L773] tmp = isHighWaterSensorDry()
[L775] COND TRUE \read(tmp)
[L776] tmp___0 = 0
[L780] retValue_acc = tmp___0
[L781] return (retValue_acc);
[L623] tmp = isHighWaterLevel()
[L625] COND FALSE !(\read(tmp))
[L547] int tmp ;
[L548] int tmp___0 ;
[L472] int retValue_acc ;
[L475] retValue_acc = methaneLevelCritical
[L476] return (retValue_acc);
[L552] tmp = isMethaneLevelCritical()
[L554] COND FALSE !(\read(tmp))
[L570] methAndRunningLastTime = 0
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2021-10-28 23:54:39,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35b3e3f2-2b8c-4ac8-8f19-404b3d5a5bf6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...