./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product35.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_c6fab85f-f843-4392-b717-c0db6aa2bf6b/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fab85f-f843-4392-b717-c0db6aa2bf6b/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_c6fab85f-f843-4392-b717-c0db6aa2bf6b/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fab85f-f843-4392-b717-c0db6aa2bf6b/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fab85f-f843-4392-b717-c0db6aa2bf6b/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_c6fab85f-f843-4392-b717-c0db6aa2bf6b/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 45ba8c3ee5105630bc9146965d68439e6204903aca4c5a31cd4f017e456c8589
..............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
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 23:59:22,918 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-28 23:59:22,920 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-28 23:59:22,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-28 23:59:22,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-28 23:59:22,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-28 23:59:22,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-28 23:59:22,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-28 23:59:22,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-28 23:59:22,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-28 23:59:22,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-28 23:59:22,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-28 23:59:22,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-28 23:59:22,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-28 23:59:22,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-28 23:59:22,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-28 23:59:22,987 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-28 23:59:22,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-28 23:59:22,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-28 23:59:23,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-28 23:59:23,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-28 23:59:23,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-28 23:59:23,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-28 23:59:23,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-28 23:59:23,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-28 23:59:23,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-28 23:59:23,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-28 23:59:23,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-28 23:59:23,020 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-28 23:59:23,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-28 23:59:23,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-28 23:59:23,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-28 23:59:23,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-28 23:59:23,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-28 23:59:23,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-28 23:59:23,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-28 23:59:23,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-28 23:59:23,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-28 23:59:23,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-28 23:59:23,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-28 23:59:23,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-28 23:59:23,032 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fab85f-f843-4392-b717-c0db6aa2bf6b/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf
[2021-10-28 23:59:23,082 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-28 23:59:23,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-28 23:59:23,084 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-28 23:59:23,084 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-28 23:59:23,086 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-28 23:59:23,086 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-28 23:59:23,086 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-28 23:59:23,087 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-10-28 23:59:23,087 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2021-10-28 23:59:23,087 INFO L138 SettingsManager]: * Use old map elimination=false
[2021-10-28 23:59:23,088 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2021-10-28 23:59:23,088 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2021-10-28 23:59:23,089 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2021-10-28 23:59:23,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-28 23:59:23,089 INFO L138 SettingsManager]: * sizeof long=4
[2021-10-28 23:59:23,090 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-10-28 23:59:23,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-28 23:59:23,090 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-10-28 23:59:23,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-28 23:59:23,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2021-10-28 23:59:23,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-10-28 23:59:23,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2021-10-28 23:59:23,092 INFO L138 SettingsManager]: * sizeof long double=12
[2021-10-28 23:59:23,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-10-28 23:59:23,092 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2021-10-28 23:59:23,092 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-28 23:59:23,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2021-10-28 23:59:23,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-28 23:59:23,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-28 23:59:23,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-28 23:59:23,094 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-10-28 23:59:23,095 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-28 23:59:23,096 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-10-28 23:59:23,096 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_c6fab85f-f843-4392-b717-c0db6aa2bf6b/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fab85f-f843-4392-b717-c0db6aa2bf6b/bin/uautomizer-GMMbpWq8iD
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45ba8c3ee5105630bc9146965d68439e6204903aca4c5a31cd4f017e456c8589
[2021-10-28 23:59:23,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-28 23:59:23,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-28 23:59:23,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-28 23:59:23,439 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-28 23:59:23,440 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-28 23:59:23,441 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fab85f-f843-4392-b717-c0db6aa2bf6b/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c
[2021-10-28 23:59:23,502 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fab85f-f843-4392-b717-c0db6aa2bf6b/bin/uautomizer-GMMbpWq8iD/data/a3212cec2/6db92d34c7164465bf5c2ea94b117461/FLAG12ee2f8d2
[2021-10-28 23:59:24,001 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-28 23:59:24,002 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fab85f-f843-4392-b717-c0db6aa2bf6b/sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c
[2021-10-28 23:59:24,025 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fab85f-f843-4392-b717-c0db6aa2bf6b/bin/uautomizer-GMMbpWq8iD/data/a3212cec2/6db92d34c7164465bf5c2ea94b117461/FLAG12ee2f8d2
[2021-10-28 23:59:24,340 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fab85f-f843-4392-b717-c0db6aa2bf6b/bin/uautomizer-GMMbpWq8iD/data/a3212cec2/6db92d34c7164465bf5c2ea94b117461
[2021-10-28 23:59:24,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-28 23:59:24,349 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-28 23:59:24,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-28 23:59:24,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-28 23:59:24,356 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-28 23:59:24,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:59:24" (1/1) ...
[2021-10-28 23:59:24,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7214ae8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:24, skipping insertion in model container
[2021-10-28 23:59:24,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:59:24" (1/1) ...
[2021-10-28 23:59:24,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-28 23:59:24,428 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-28 23:59:24,657 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_c6fab85f-f843-4392-b717-c0db6aa2bf6b/sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c[1605,1618]
[2021-10-28 23:59:24,842 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:59:24,852 INFO L203 MainTranslator]: Completed pre-run
[2021-10-28 23:59:24,866 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_c6fab85f-f843-4392-b717-c0db6aa2bf6b/sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c[1605,1618]
[2021-10-28 23:59:24,938 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:59:24,961 INFO L208 MainTranslator]: Completed translation
[2021-10-28 23:59:24,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:24 WrapperNode
[2021-10-28 23:59:24,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-28 23:59:24,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-28 23:59:24,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-28 23:59:24,964 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-28 23:59:24,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:24" (1/1) ...
[2021-10-28 23:59:24,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:24" (1/1) ...
[2021-10-28 23:59:25,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-28 23:59:25,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-28 23:59:25,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-28 23:59:25,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-10-28 23:59:25,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:24" (1/1) ...
[2021-10-28 23:59:25,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:24" (1/1) ...
[2021-10-28 23:59:25,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:24" (1/1) ...
[2021-10-28 23:59:25,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:24" (1/1) ...
[2021-10-28 23:59:25,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:24" (1/1) ...
[2021-10-28 23:59:25,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:24" (1/1) ...
[2021-10-28 23:59:25,064 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:24" (1/1) ...
[2021-10-28 23:59:25,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-28 23:59:25,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-28 23:59:25,069 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-10-28 23:59:25,070 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-10-28 23:59:25,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:24" (1/1) ...
[2021-10-28 23:59:25,103 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 23:59:25,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fab85f-f843-4392-b717-c0db6aa2bf6b/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:59:25,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fab85f-f843-4392-b717-c0db6aa2bf6b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 23:59:25,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fab85f-f843-4392-b717-c0db6aa2bf6b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2021-10-28 23:59:25,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-28 23:59:25,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-28 23:59:25,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-28 23:59:25,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-28 23:59:26,005 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-28 23:59:26,006 INFO L299 CfgBuilder]: Removed 114 assume(true) statements.
[2021-10-28 23:59:26,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:59:26 BoogieIcfgContainer
[2021-10-28 23:59:26,008 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-28 23:59:26,009 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-10-28 23:59:26,009 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2021-10-28 23:59:26,012 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2021-10-28 23:59:26,013 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 23:59:26,013 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:59:24" (1/3) ...
[2021-10-28 23:59:26,014 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26b4a2d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:59:26, skipping insertion in model container
[2021-10-28 23:59:26,015 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 23:59:26,015 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:24" (2/3) ...
[2021-10-28 23:59:26,015 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26b4a2d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:59:26, skipping insertion in model container
[2021-10-28 23:59:26,015 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 23:59:26,016 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:59:26" (3/3) ...
[2021-10-28 23:59:26,017 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product35.cil.c
[2021-10-28 23:59:26,058 INFO L359 BuchiCegarLoop]: Interprodecural is true
[2021-10-28 23:59:26,058 INFO L360 BuchiCegarLoop]: Hoare is false
[2021-10-28 23:59:26,058 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-10-28 23:59:26,058 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-28 23:59:26,059 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-28 23:59:26,059 INFO L364 BuchiCegarLoop]: Difference is false
[2021-10-28 23:59:26,059 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-28 23:59:26,059 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-10-28 23:59:26,075 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 86 states, 85 states have (on average 1.5176470588235293) internal successors, (129), 85 states have internal predecessors, (129), 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 23:59:26,098 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 55
[2021-10-28 23:59:26,098 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:59:26,098 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:59:26,106 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:59:26,106 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:59:26,106 INFO L425 BuchiCegarLoop]: ======== Iteration 1============
[2021-10-28 23:59:26,107 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 86 states, 85 states have (on average 1.5176470588235293) internal successors, (129), 85 states have internal predecessors, (129), 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 23:59:26,113 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 55
[2021-10-28 23:59:26,113 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:59:26,113 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:59:26,114 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:59:26,115 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:59:26,119 INFO L791 eck$LassoCheckResult]: Stem: 65#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~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(9);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(13);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string51.base, #t~string51.offset, 1);call write~init~int(77, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(101, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(116, #t~string51.base, 3 + #t~string51.offset, 1);call write~init~int(104, #t~string51.base, 4 + #t~string51.offset, 1);call write~init~int(58, #t~string51.base, 5 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 6 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string53.base, #t~string53.offset, 1);call write~init~int(82, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(73, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(84, #t~string53.base, 3 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 4 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(75, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(80, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(117, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(109, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(112, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(110, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(102, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(102, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 3 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(32, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string75.base, #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 1 + #t~string75.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0; 54#L-1true havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 17#L553true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 5#L561true main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 26#L151true assume 0 != main_~tmp~0; 63#L122true ~switchedOnBeforeTS~0 := 0; 21#L914true havoc test_#t~nondet44, test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 24#L935-1true
[2021-10-28 23:59:26,120 INFO L793 eck$LassoCheckResult]: Loop: 24#L935-1true assume !false; 60#L578true assume test_~splverifierCounter~0 < 4; 18#L579true test_~tmp~4 := test_#t~nondet44;havoc test_#t~nondet44; 77#L587true assume !(0 != test_~tmp~4); 50#L587-1true test_~tmp___0~0 := test_#t~nondet45;havoc test_#t~nondet45; 57#L597true assume !(0 != test_~tmp___0~0); 23#L597-1true test_~tmp___2~0 := test_#t~nondet46;havoc test_#t~nondet46; 43#L607true assume 0 != test_~tmp___2~0; 69#L613-1true havoc __utac_acc__Specification5_spec__2_#t~ret77;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; 61#L833true __utac_acc__Specification5_spec__2_#t~ret77 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret77;havoc __utac_acc__Specification5_spec__2_#t~ret77; 30#L924true assume !(0 != ~pumpRunning~0); 49#L748true assume !(0 != ~systemActive~0); 39#L755true havoc __utac_acc__Specification5_spec__3_#t~ret78, __utac_acc__Specification5_spec__3_#t~ret79, __utac_acc__Specification5_spec__3_~tmp~7, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~7;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 14#L714true __utac_acc__Specification5_spec__3_#t~ret78 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~7 := __utac_acc__Specification5_spec__3_#t~ret78;havoc __utac_acc__Specification5_spec__3_#t~ret78; 9#L935true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7); 24#L935-1true
[2021-10-28 23:59:26,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:59:26,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times
[2021-10-28 23:59:26,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:59:26,135 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143218855]
[2021-10-28 23:59:26,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:59:26,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:59:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:59:26,368 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:59:26,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:59:26,513 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:59:26,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:59:26,516 INFO L85 PathProgramCache]: Analyzing trace with hash -241799531, now seen corresponding path program 1 times
[2021-10-28 23:59:26,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:59:26,517 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405381731]
[2021-10-28 23:59:26,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:59:26,517 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:59:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:59:26,524 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:59:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:59:26,534 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:59:26,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:59:26,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1692225679, now seen corresponding path program 1 times
[2021-10-28 23:59:26,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:59:26,536 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479265700]
[2021-10-28 23:59:26,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:59:26,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:59:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:59:26,714 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 23:59:26,714 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:59:26,716 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479265700]
[2021-10-28 23:59:26,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479265700] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:59:26,717 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:59:26,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-10-28 23:59:26,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979667309]
[2021-10-28 23:59:26,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:59:26,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-10-28 23:59:26,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2021-10-28 23:59:26,922 INFO L87 Difference]: Start difference. First operand has 86 states, 85 states have (on average 1.5176470588235293) internal successors, (129), 85 states have internal predecessors, (129), 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 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 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)
[2021-10-28 23:59:27,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:59:27,158 INFO L93 Difference]: Finished difference Result 223 states and 310 transitions.
[2021-10-28 23:59:27,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-10-28 23:59:27,160 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 223 states and 310 transitions.
[2021-10-28 23:59:27,178 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 143
[2021-10-28 23:59:27,220 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 223 states to 202 states and 289 transitions.
[2021-10-28 23:59:27,221 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 202
[2021-10-28 23:59:27,223 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 202
[2021-10-28 23:59:27,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 202 states and 289 transitions.
[2021-10-28 23:59:27,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:59:27,229 INFO L681 BuchiCegarLoop]: Abstraction has 202 states and 289 transitions.
[2021-10-28 23:59:27,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states and 289 transitions.
[2021-10-28 23:59:27,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 128.
[2021-10-28 23:59:27,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 128 states have (on average 1.421875) internal successors, (182), 127 states have internal predecessors, (182), 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 23:59:27,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 182 transitions.
[2021-10-28 23:59:27,262 INFO L704 BuchiCegarLoop]: Abstraction has 128 states and 182 transitions.
[2021-10-28 23:59:27,262 INFO L587 BuchiCegarLoop]: Abstraction has 128 states and 182 transitions.
[2021-10-28 23:59:27,262 INFO L425 BuchiCegarLoop]: ======== Iteration 2============
[2021-10-28 23:59:27,263 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 128 states and 182 transitions.
[2021-10-28 23:59:27,264 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 90
[2021-10-28 23:59:27,264 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:59:27,264 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:59:27,265 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:59:27,265 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 23:59:27,266 INFO L791 eck$LassoCheckResult]: Stem: 400#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~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(9);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(13);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string51.base, #t~string51.offset, 1);call write~init~int(77, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(101, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(116, #t~string51.base, 3 + #t~string51.offset, 1);call write~init~int(104, #t~string51.base, 4 + #t~string51.offset, 1);call write~init~int(58, #t~string51.base, 5 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 6 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string53.base, #t~string53.offset, 1);call write~init~int(82, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(73, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(84, #t~string53.base, 3 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 4 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(75, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(80, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(117, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(109, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(112, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(110, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(102, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(102, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 3 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(32, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string75.base, #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 1 + #t~string75.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0; 394#L-1 havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 350#L553 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 327#L561 main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 328#L151 assume 0 != main_~tmp~0; 362#L122 ~switchedOnBeforeTS~0 := 0; 354#L914 havoc test_#t~nondet44, test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 338#L935-1
[2021-10-28 23:59:27,266 INFO L793 eck$LassoCheckResult]: Loop: 338#L935-1 assume !false; 359#L578 assume test_~splverifierCounter~0 < 4; 351#L579 test_~tmp~4 := test_#t~nondet44;havoc test_#t~nondet44; 352#L587 assume !(0 != test_~tmp~4); 390#L587-1 test_~tmp___0~0 := test_#t~nondet45;havoc test_#t~nondet45; 391#L597 assume !(0 != test_~tmp___0~0); 357#L597-1 test_~tmp___2~0 := test_#t~nondet46;havoc test_#t~nondet46; 358#L607 assume 0 != test_~tmp___2~0; 387#L613-1 havoc __utac_acc__Specification5_spec__2_#t~ret77;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; 399#L833 __utac_acc__Specification5_spec__2_#t~ret77 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret77;havoc __utac_acc__Specification5_spec__2_#t~ret77; 367#L924 assume !(0 != ~pumpRunning~0); 369#L748 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret58, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 329#L780 assume !(0 == ~pumpRunning~0); 330#L755 havoc __utac_acc__Specification5_spec__3_#t~ret78, __utac_acc__Specification5_spec__3_#t~ret79, __utac_acc__Specification5_spec__3_~tmp~7, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~7;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 345#L714 __utac_acc__Specification5_spec__3_#t~ret78 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~7 := __utac_acc__Specification5_spec__3_#t~ret78;havoc __utac_acc__Specification5_spec__3_#t~ret78; 336#L935 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7); 338#L935-1
[2021-10-28 23:59:27,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:59:27,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times
[2021-10-28 23:59:27,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:59:27,267 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311614232]
[2021-10-28 23:59:27,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:59:27,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:59:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:59:27,317 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:59:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:59:27,385 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:59:27,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:59:27,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1062538435, now seen corresponding path program 1 times
[2021-10-28 23:59:27,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:59:27,393 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948274973]
[2021-10-28 23:59:27,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:59:27,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:59:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:59:27,427 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 23:59:27,428 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:59:27,428 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948274973]
[2021-10-28 23:59:27,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948274973] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:59:27,433 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:59:27,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 23:59:27,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34216088]
[2021-10-28 23:59:27,434 INFO L808 eck$LassoCheckResult]: loop already infeasible
[2021-10-28 23:59:27,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:59:27,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:59:27,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:59:27,435 INFO L87 Difference]: Start difference. First operand 128 states and 182 transitions. cyclomatic complexity: 57 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 23:59:27,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:59:27,494 INFO L93 Difference]: Finished difference Result 175 states and 236 transitions.
[2021-10-28 23:59:27,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:59:27,495 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 175 states and 236 transitions.
[2021-10-28 23:59:27,497 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 126
[2021-10-28 23:59:27,499 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 175 states to 175 states and 236 transitions.
[2021-10-28 23:59:27,499 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 175
[2021-10-28 23:59:27,500 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 175
[2021-10-28 23:59:27,500 INFO L73 IsDeterministic]: Start isDeterministic. Operand 175 states and 236 transitions.
[2021-10-28 23:59:27,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:59:27,501 INFO L681 BuchiCegarLoop]: Abstraction has 175 states and 236 transitions.
[2021-10-28 23:59:27,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states and 236 transitions.
[2021-10-28 23:59:27,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175.
[2021-10-28 23:59:27,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 175 states have (on average 1.3485714285714285) internal successors, (236), 174 states have internal predecessors, (236), 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 23:59:27,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 236 transitions.
[2021-10-28 23:59:27,522 INFO L704 BuchiCegarLoop]: Abstraction has 175 states and 236 transitions.
[2021-10-28 23:59:27,526 INFO L587 BuchiCegarLoop]: Abstraction has 175 states and 236 transitions.
[2021-10-28 23:59:27,526 INFO L425 BuchiCegarLoop]: ======== Iteration 3============
[2021-10-28 23:59:27,526 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 175 states and 236 transitions.
[2021-10-28 23:59:27,528 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 126
[2021-10-28 23:59:27,528 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:59:27,528 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:59:27,529 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:59:27,529 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 23:59:27,529 INFO L791 eck$LassoCheckResult]: Stem: 721#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~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(9);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(13);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string51.base, #t~string51.offset, 1);call write~init~int(77, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(101, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(116, #t~string51.base, 3 + #t~string51.offset, 1);call write~init~int(104, #t~string51.base, 4 + #t~string51.offset, 1);call write~init~int(58, #t~string51.base, 5 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 6 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string53.base, #t~string53.offset, 1);call write~init~int(82, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(73, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(84, #t~string53.base, 3 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 4 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(75, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(80, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(117, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(109, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(112, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(110, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(102, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(102, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 3 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(32, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string75.base, #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 1 + #t~string75.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0; 711#L-1 havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 661#L553 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 636#L561 main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 637#L151 assume 0 != main_~tmp~0; 673#L122 ~switchedOnBeforeTS~0 := 0; 665#L914 havoc test_#t~nondet44, test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 666#L935-1
[2021-10-28 23:59:27,531 INFO L793 eck$LassoCheckResult]: Loop: 666#L935-1 assume !false; 788#L578 assume test_~splverifierCounter~0 < 4; 787#L579 test_~tmp~4 := test_#t~nondet44;havoc test_#t~nondet44; 786#L587 assume !(0 != test_~tmp~4); 705#L587-1 test_~tmp___0~0 := test_#t~nondet45;havoc test_#t~nondet45; 706#L597 assume !(0 != test_~tmp___0~0); 669#L597-1 test_~tmp___2~0 := test_#t~nondet46;havoc test_#t~nondet46; 670#L607 assume 0 != test_~tmp___2~0; 782#L613-1 havoc __utac_acc__Specification5_spec__2_#t~ret77;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; 781#L833 __utac_acc__Specification5_spec__2_#t~ret77 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret77;havoc __utac_acc__Specification5_spec__2_#t~ret77; 780#L924 assume !(0 != ~pumpRunning~0); 704#L748 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret58, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 640#L780 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret76, isHighWaterLevel_~retValue_acc~11, isHighWaterLevel_~tmp~6, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~11;havoc isHighWaterLevel_~tmp~6;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 641#L722 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 674#L727 isHighWaterLevel_#t~ret76 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~6 := isHighWaterLevel_#t~ret76;havoc isHighWaterLevel_#t~ret76; 675#L882 assume 0 != isHighWaterLevel_~tmp~6;isHighWaterLevel_~tmp___0~1 := 0; 710#L882-2 isHighWaterLevel_~retValue_acc~11 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~11; 685#L888 processEnvironment_#t~ret58 := isHighWaterLevel_#res;processEnvironment_~tmp~5 := processEnvironment_#t~ret58;havoc processEnvironment_#t~ret58; 686#L784 assume !(0 != processEnvironment_~tmp~5); 720#L755 havoc __utac_acc__Specification5_spec__3_#t~ret78, __utac_acc__Specification5_spec__3_#t~ret79, __utac_acc__Specification5_spec__3_~tmp~7, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~7;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 655#L714 __utac_acc__Specification5_spec__3_#t~ret78 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~7 := __utac_acc__Specification5_spec__3_#t~ret78;havoc __utac_acc__Specification5_spec__3_#t~ret78; 656#L935 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7); 666#L935-1
[2021-10-28 23:59:27,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:59:27,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times
[2021-10-28 23:59:27,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:59:27,532 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141848175]
[2021-10-28 23:59:27,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:59:27,532 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:59:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:59:27,611 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:59:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:59:27,707 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:59:27,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:59:27,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1275481455, now seen corresponding path program 1 times
[2021-10-28 23:59:27,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:59:27,708 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436189503]
[2021-10-28 23:59:27,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:59:27,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:59:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:59:27,777 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 23:59:27,777 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:59:27,777 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436189503]
[2021-10-28 23:59:27,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436189503] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:59:27,778 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:59:27,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-28 23:59:27,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879621757]
[2021-10-28 23:59:27,778 INFO L808 eck$LassoCheckResult]: loop already infeasible
[2021-10-28 23:59:27,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:59:27,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-28 23:59:27,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-10-28 23:59:27,779 INFO L87 Difference]: Start difference. First operand 175 states and 236 transitions. cyclomatic complexity: 64 Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 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)
[2021-10-28 23:59:27,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:59:27,924 INFO L93 Difference]: Finished difference Result 446 states and 589 transitions.
[2021-10-28 23:59:27,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-10-28 23:59:27,924 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 446 states and 589 transitions.
[2021-10-28 23:59:27,931 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 307
[2021-10-28 23:59:27,937 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 446 states to 446 states and 589 transitions.
[2021-10-28 23:59:27,937 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 446
[2021-10-28 23:59:27,939 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 446
[2021-10-28 23:59:27,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 446 states and 589 transitions.
[2021-10-28 23:59:27,945 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:59:27,945 INFO L681 BuchiCegarLoop]: Abstraction has 446 states and 589 transitions.
[2021-10-28 23:59:27,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states and 589 transitions.
[2021-10-28 23:59:27,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 343.
[2021-10-28 23:59:27,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 343 states have (on average 1.3119533527696794) internal successors, (450), 342 states have internal predecessors, (450), 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 23:59:27,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 450 transitions.
[2021-10-28 23:59:27,973 INFO L704 BuchiCegarLoop]: Abstraction has 343 states and 450 transitions.
[2021-10-28 23:59:27,973 INFO L587 BuchiCegarLoop]: Abstraction has 343 states and 450 transitions.
[2021-10-28 23:59:27,973 INFO L425 BuchiCegarLoop]: ======== Iteration 4============
[2021-10-28 23:59:27,973 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 343 states and 450 transitions.
[2021-10-28 23:59:27,983 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 252
[2021-10-28 23:59:27,983 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:59:27,983 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:59:27,987 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:59:27,987 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, 1, 1]
[2021-10-28 23:59:27,987 INFO L791 eck$LassoCheckResult]: Stem: 1357#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~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(9);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(13);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string51.base, #t~string51.offset, 1);call write~init~int(77, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(101, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(116, #t~string51.base, 3 + #t~string51.offset, 1);call write~init~int(104, #t~string51.base, 4 + #t~string51.offset, 1);call write~init~int(58, #t~string51.base, 5 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 6 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string53.base, #t~string53.offset, 1);call write~init~int(82, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(73, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(84, #t~string53.base, 3 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 4 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(75, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(80, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(117, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(109, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(112, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(110, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(102, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(102, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 3 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(32, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string75.base, #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 1 + #t~string75.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0; 1347#L-1 havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 1296#L553 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 1273#L561 main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 1274#L151 assume 0 != main_~tmp~0; 1310#L122 ~switchedOnBeforeTS~0 := 0; 1300#L914 havoc test_#t~nondet44, test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1301#L935-1
[2021-10-28 23:59:27,987 INFO L793 eck$LassoCheckResult]: Loop: 1301#L935-1 assume !false; 1306#L578 assume test_~splverifierCounter~0 < 4; 1298#L579 test_~tmp~4 := test_#t~nondet44;havoc test_#t~nondet44; 1299#L587 assume !(0 != test_~tmp~4); 1341#L587-1 test_~tmp___0~0 := test_#t~nondet45;havoc test_#t~nondet45; 1342#L597 assume !(0 != test_~tmp___0~0); 1304#L597-1 test_~tmp___2~0 := test_#t~nondet46;havoc test_#t~nondet46; 1305#L607 assume 0 != test_~tmp___2~0; 1335#L613-1 havoc __utac_acc__Specification5_spec__2_#t~ret77;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; 1351#L833 __utac_acc__Specification5_spec__2_#t~ret77 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret77;havoc __utac_acc__Specification5_spec__2_#t~ret77; 1352#L924 assume !(0 != ~pumpRunning~0); 1340#L748 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret58, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 1275#L780 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret76, isHighWaterLevel_~retValue_acc~11, isHighWaterLevel_~tmp~6, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~11;havoc isHighWaterLevel_~tmp~6;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 1276#L722 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 1308#L727 isHighWaterLevel_#t~ret76 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~6 := isHighWaterLevel_#t~ret76;havoc isHighWaterLevel_#t~ret76; 1309#L882 assume 0 != isHighWaterLevel_~tmp~6;isHighWaterLevel_~tmp___0~1 := 0; 1346#L882-2 isHighWaterLevel_~retValue_acc~11 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~11; 1320#L888 processEnvironment_#t~ret58 := isHighWaterLevel_#res;processEnvironment_~tmp~5 := processEnvironment_#t~ret58;havoc processEnvironment_#t~ret58; 1321#L784 assume !(0 != processEnvironment_~tmp~5); 1327#L755 havoc __utac_acc__Specification5_spec__3_#t~ret78, __utac_acc__Specification5_spec__3_#t~ret79, __utac_acc__Specification5_spec__3_~tmp~7, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~7;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 1328#L714 __utac_acc__Specification5_spec__3_#t~ret78 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~7 := __utac_acc__Specification5_spec__3_#t~ret78;havoc __utac_acc__Specification5_spec__3_#t~ret78; 1281#L935 assume 2 != __utac_acc__Specification5_spec__3_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; 1282#L833-1 __utac_acc__Specification5_spec__3_#t~ret79 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret79;havoc __utac_acc__Specification5_spec__3_#t~ret79; 1372#L939 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2); 1301#L935-1
[2021-10-28 23:59:27,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:59:27,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 4 times
[2021-10-28 23:59:27,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:59:27,990 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197250751]
[2021-10-28 23:59:27,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:59:27,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:59:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:59:28,062 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:59:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:59:28,101 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:59:28,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:59:28,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1671985194, now seen corresponding path program 1 times
[2021-10-28 23:59:28,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:59:28,102 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810264107]
[2021-10-28 23:59:28,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:59:28,103 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:59:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:59:28,109 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:59:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:59:28,119 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:59:28,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:59:28,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1531391856, now seen corresponding path program 1 times
[2021-10-28 23:59:28,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:59:28,120 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345870470]
[2021-10-28 23:59:28,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:59:28,120 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:59:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:59:28,153 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:59:28,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:59:28,225 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-29 00:00:27,500 WARN L207 SmtUtils]: Spent 58.88 s on a formula simplification. DAG size of input: 495 DAG size of output: 437
[2021-10-29 00:01:32,399 WARN L207 SmtUtils]: Spent 32.63 s on a formula simplification that was a NOOP. DAG size: 435
[2021-10-29 00:01:32,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.10 12:01:32 BoogieIcfgContainer
[2021-10-29 00:01:32,576 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-10-29 00:01:32,577 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-29 00:01:32,577 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-10-29 00:01:32,577 INFO L275 PluginConnector]: Witness Printer initialized
[2021-10-29 00:01:32,578 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:59:26" (3/4) ...
[2021-10-29 00:01:32,581 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample
[2021-10-29 00:01:32,639 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fab85f-f843-4392-b717-c0db6aa2bf6b/bin/uautomizer-GMMbpWq8iD/witness.graphml
[2021-10-29 00:01:32,639 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-29 00:01:32,640 INFO L168 Benchmark]: Toolchain (without parser) took 128290.61 ms. Allocated memory was 94.4 MB in the beginning and 180.4 MB in the end (delta: 86.0 MB). Free memory was 64.7 MB in the beginning and 108.9 MB in the end (delta: -44.2 MB). Peak memory consumption was 42.8 MB. Max. memory is 16.1 GB.
[2021-10-29 00:01:32,641 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 94.4 MB. Free memory is still 49.1 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-29 00:01:32,641 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.89 ms. Allocated memory was 94.4 MB in the beginning and 140.5 MB in the end (delta: 46.1 MB). Free memory was 64.5 MB in the beginning and 108.4 MB in the end (delta: -43.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-29 00:01:32,642 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.49 ms. Allocated memory is still 140.5 MB. Free memory was 108.4 MB in the beginning and 105.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-29 00:01:32,643 INFO L168 Benchmark]: Boogie Preprocessor took 39.15 ms. Allocated memory is still 140.5 MB. Free memory was 105.5 MB in the beginning and 103.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-29 00:01:32,643 INFO L168 Benchmark]: RCFGBuilder took 938.85 ms. Allocated memory is still 140.5 MB. Free memory was 103.4 MB in the beginning and 111.6 MB in the end (delta: -8.2 MB). Peak memory consumption was 43.4 MB. Max. memory is 16.1 GB.
[2021-10-29 00:01:32,644 INFO L168 Benchmark]: BuchiAutomizer took 126567.37 ms. Allocated memory was 140.5 MB in the beginning and 180.4 MB in the end (delta: 39.8 MB). Free memory was 111.6 MB in the beginning and 111.0 MB in the end (delta: 550.7 kB). Peak memory consumption was 109.4 MB. Max. memory is 16.1 GB.
[2021-10-29 00:01:32,645 INFO L168 Benchmark]: Witness Printer took 62.23 ms. Allocated memory is still 180.4 MB. Free memory was 111.0 MB in the beginning and 108.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-29 00:01:32,648 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23 ms. Allocated memory is still 94.4 MB. Free memory is still 49.1 MB. There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 609.89 ms. Allocated memory was 94.4 MB in the beginning and 140.5 MB in the end (delta: 46.1 MB). Free memory was 64.5 MB in the beginning and 108.4 MB in the end (delta: -43.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
* Boogie Procedure Inliner took 65.49 ms. Allocated memory is still 140.5 MB. Free memory was 108.4 MB in the beginning and 105.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* Boogie Preprocessor took 39.15 ms. Allocated memory is still 140.5 MB. Free memory was 105.5 MB in the beginning and 103.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* RCFGBuilder took 938.85 ms. Allocated memory is still 140.5 MB. Free memory was 103.4 MB in the beginning and 111.6 MB in the end (delta: -8.2 MB). Peak memory consumption was 43.4 MB. Max. memory is 16.1 GB.
* BuchiAutomizer took 126567.37 ms. Allocated memory was 140.5 MB in the beginning and 180.4 MB in the end (delta: 39.8 MB). Free memory was 111.6 MB in the beginning and 111.0 MB in the end (delta: 550.7 kB). Peak memory consumption was 109.4 MB. Max. memory is 16.1 GB.
* Witness Printer took 62.23 ms. Allocated memory is still 180.4 MB. Free memory was 111.0 MB in the beginning and 108.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 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 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 6 locations. The remainder module has 343 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 126.4s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 125.7s. Construction of modules took 0.2s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 177 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 343 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 377 SDtfs, 986 SDslu, 931 SDs, 0 SdLazy, 134 SolverSat, 53 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time 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
- TerminationAnalysisResult: Nontermination possible
Buchi Automizer proved that your program is nonterminating for some inputs
- FixpointNonTerminationResult [Line: 577]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite execution
State at position 0 is
{NULL=28597}
State at position 1 is
{NULL=0, NULL=28611, NULL=0, NULL=28597, NULL=28622, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@114525c4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ef297c1=71, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@75cf5376=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a928933=0, methaneLevelCritical=0, tmp=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79ec27fb=0, tmp___1=0, NULL=28623, NULL=0, NULL=28604, NULL=28618, retValue_acc=0, cleanupTimeShifts=4, NULL=0, waterLevel=1, NULL=0, NULL=0, NULL=0, tmp___0=0, \result=1, head=0, pumpRunning=0, retValue_acc=1, tmp=1, NULL=28602, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2118b75b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49450f0a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@589b810=0, \result=1, NULL=28609, NULL=0, retValue_acc=0, NULL=28628, NULL=0, retValue_acc=1, NULL=0, NULL=28625, NULL=28598, tmp=1, NULL=28627, head=0, NULL=0, NULL=0, tmp=0, NULL=28606, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=28601, NULL=28626, NULL=28599, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c384971=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=28613, switchedOnBeforeTS=0, NULL=28603, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6e7f3423=0, \result=0, NULL=28612, NULL=0, NULL=0, systemActive=1, NULL=28605, \result=1, \result=0, NULL=0, NULL=0, NULL=0, NULL=28610, tmp___0=0, NULL=28615, \result=0, NULL=0, NULL=28607, retValue_acc=1, NULL=28616, NULL=28608, tmp___2=71, splverifierCounter=0, NULL=0, NULL=28624, NULL=28617, NULL=28600, NULL=28614}
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 1]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L59] int cleanupTimeShifts = 4;
[L334] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L639] int waterLevel = 1;
[L640] int methaneLevelCritical = 0;
[L736] int pumpRunning = 0;
[L737] int systemActive = 1;
[L908] int switchedOnBeforeTS ;
[L142] int retValue_acc ;
[L143] int tmp ;
[L557] int retValue_acc ;
[L560] retValue_acc = 1
[L561] return (retValue_acc);
[L149] tmp = valid_product()
[L151] COND TRUE \read(tmp)
[L913] switchedOnBeforeTS = 0
[L568] int splverifierCounter ;
[L569] int tmp ;
[L570] int tmp___0 ;
[L571] int tmp___1 ;
[L572] int tmp___2 ;
[L575] splverifierCounter = 0
Loop:
[L577] COND TRUE 1
[L579] COND TRUE splverifierCounter < 4
[L585] tmp = __VERIFIER_nondet_int()
[L587] COND FALSE !(\read(tmp))
[L595] tmp___0 = __VERIFIER_nondet_int()
[L597] COND FALSE !(\read(tmp___0))
[L605] tmp___2 = __VERIFIER_nondet_int()
[L607] COND TRUE \read(tmp___2)
[L829] int retValue_acc ;
[L832] retValue_acc = pumpRunning
[L833] return (retValue_acc);
[L922] switchedOnBeforeTS = isPumpRunning()
[L748] COND FALSE !(\read(pumpRunning))
[L755] COND TRUE \read(systemActive)
[L777] int tmp ;
[L780] COND TRUE ! pumpRunning
[L874] int retValue_acc ;
[L875] int tmp ;
[L876] int tmp___0 ;
[L719] int retValue_acc ;
[L722] COND TRUE waterLevel < 2
[L723] retValue_acc = 1
[L724] return (retValue_acc);
[L880] tmp = isHighWaterSensorDry()
[L882] COND TRUE \read(tmp)
[L883] tmp___0 = 0
[L887] retValue_acc = tmp___0
[L888] return (retValue_acc);
[L782] tmp = isHighWaterLevel()
[L784] COND FALSE !(\read(tmp))
[L928] int tmp ;
[L929] int tmp___0 ;
[L710] int retValue_acc ;
[L713] retValue_acc = waterLevel
[L714] return (retValue_acc);
[L933] tmp = getWaterLevel()
[L935] COND TRUE tmp != 2
[L829] int retValue_acc ;
[L832] retValue_acc = pumpRunning
[L833] return (retValue_acc);
[L937] tmp___0 = isPumpRunning()
[L939] COND FALSE !(\read(tmp___0))
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2021-10-29 00:01:32,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6fab85f-f843-4392-b717-c0db6aa2bf6b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...