./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product63.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_25402829-ffbe-4dfa-a3f1-ab3a7ac33246/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25402829-ffbe-4dfa-a3f1-ab3a7ac33246/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_25402829-ffbe-4dfa-a3f1-ab3a7ac33246/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25402829-ffbe-4dfa-a3f1-ab3a7ac33246/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25402829-ffbe-4dfa-a3f1-ab3a7ac33246/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_25402829-ffbe-4dfa-a3f1-ab3a7ac33246/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 7c7779f94f1738e754b88f9a8a8e36de7065a4e94578f4135106bd0ff9ddb13d
................................................................................................................................................................................................................................................................................................................................................................................................................................................................
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 22:55:50,556 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-28 22:55:50,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-28 22:55:50,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-28 22:55:50,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-28 22:55:50,604 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-28 22:55:50,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-28 22:55:50,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-28 22:55:50,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-28 22:55:50,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-28 22:55:50,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-28 22:55:50,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-28 22:55:50,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-28 22:55:50,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-28 22:55:50,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-28 22:55:50,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-28 22:55:50,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-28 22:55:50,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-28 22:55:50,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-28 22:55:50,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-28 22:55:50,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-28 22:55:50,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-28 22:55:50,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-28 22:55:50,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-28 22:55:50,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-28 22:55:50,649 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-28 22:55:50,649 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-28 22:55:50,651 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-28 22:55:50,652 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-28 22:55:50,653 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-28 22:55:50,654 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-28 22:55:50,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-28 22:55:50,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-28 22:55:50,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-28 22:55:50,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-28 22:55:50,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-28 22:55:50,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-28 22:55:50,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-28 22:55:50,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-28 22:55:50,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-28 22:55:50,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-28 22:55:50,675 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25402829-ffbe-4dfa-a3f1-ab3a7ac33246/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf
[2021-10-28 22:55:50,745 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-28 22:55:50,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-28 22:55:50,753 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-28 22:55:50,754 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-28 22:55:50,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-28 22:55:50,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-28 22:55:50,756 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-28 22:55:50,756 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-10-28 22:55:50,757 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2021-10-28 22:55:50,757 INFO L138 SettingsManager]: * Use old map elimination=false
[2021-10-28 22:55:50,757 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2021-10-28 22:55:50,758 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2021-10-28 22:55:50,758 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2021-10-28 22:55:50,758 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-28 22:55:50,758 INFO L138 SettingsManager]: * sizeof long=4
[2021-10-28 22:55:50,759 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-10-28 22:55:50,759 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-28 22:55:50,759 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-10-28 22:55:50,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-28 22:55:50,760 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2021-10-28 22:55:50,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-10-28 22:55:50,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2021-10-28 22:55:50,761 INFO L138 SettingsManager]: * sizeof long double=12
[2021-10-28 22:55:50,761 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-10-28 22:55:50,761 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2021-10-28 22:55:50,762 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-28 22:55:50,762 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2021-10-28 22:55:50,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-28 22:55:50,762 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-28 22:55:50,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-28 22:55:50,763 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-10-28 22:55:50,763 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-28 22:55:50,765 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-10-28 22:55:50,765 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_25402829-ffbe-4dfa-a3f1-ab3a7ac33246/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25402829-ffbe-4dfa-a3f1-ab3a7ac33246/bin/uautomizer-GMMbpWq8iD
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c7779f94f1738e754b88f9a8a8e36de7065a4e94578f4135106bd0ff9ddb13d
[2021-10-28 22:55:51,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-28 22:55:51,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-28 22:55:51,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-28 22:55:51,148 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-28 22:55:51,149 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-28 22:55:51,150 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25402829-ffbe-4dfa-a3f1-ab3a7ac33246/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c
[2021-10-28 22:55:51,267 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25402829-ffbe-4dfa-a3f1-ab3a7ac33246/bin/uautomizer-GMMbpWq8iD/data/46823b525/32debb7fa4cb4a12ab5ed4b5ed4559e1/FLAGddb65d7d4
[2021-10-28 22:55:51,877 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-28 22:55:51,878 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25402829-ffbe-4dfa-a3f1-ab3a7ac33246/sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c
[2021-10-28 22:55:51,895 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25402829-ffbe-4dfa-a3f1-ab3a7ac33246/bin/uautomizer-GMMbpWq8iD/data/46823b525/32debb7fa4cb4a12ab5ed4b5ed4559e1/FLAGddb65d7d4
[2021-10-28 22:55:52,168 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25402829-ffbe-4dfa-a3f1-ab3a7ac33246/bin/uautomizer-GMMbpWq8iD/data/46823b525/32debb7fa4cb4a12ab5ed4b5ed4559e1
[2021-10-28 22:55:52,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-28 22:55:52,174 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-28 22:55:52,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-28 22:55:52,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-28 22:55:52,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-28 22:55:52,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:55:52" (1/1) ...
[2021-10-28 22:55:52,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e698312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:52, skipping insertion in model container
[2021-10-28 22:55:52,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:55:52" (1/1) ...
[2021-10-28 22:55:52,195 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-28 22:55:52,255 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-28 22:55:52,608 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_25402829-ffbe-4dfa-a3f1-ab3a7ac33246/sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c[15018,15031]
[2021-10-28 22:55:52,634 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 22:55:52,647 INFO L203 MainTranslator]: Completed pre-run
[2021-10-28 22:55:52,770 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_25402829-ffbe-4dfa-a3f1-ab3a7ac33246/sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c[15018,15031]
[2021-10-28 22:55:52,788 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 22:55:52,814 INFO L208 MainTranslator]: Completed translation
[2021-10-28 22:55:52,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:52 WrapperNode
[2021-10-28 22:55:52,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-28 22:55:52,817 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-28 22:55:52,817 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-28 22:55:52,817 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-28 22:55:52,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:52" (1/1) ...
[2021-10-28 22:55:52,881 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:52" (1/1) ...
[2021-10-28 22:55:52,956 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-28 22:55:52,957 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-28 22:55:52,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-28 22:55:52,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-10-28 22:55:52,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:52" (1/1) ...
[2021-10-28 22:55:52,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:52" (1/1) ...
[2021-10-28 22:55:52,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:52" (1/1) ...
[2021-10-28 22:55:52,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:52" (1/1) ...
[2021-10-28 22:55:53,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:52" (1/1) ...
[2021-10-28 22:55:53,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:52" (1/1) ...
[2021-10-28 22:55:53,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:52" (1/1) ...
[2021-10-28 22:55:53,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-28 22:55:53,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-28 22:55:53,073 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-10-28 22:55:53,073 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-10-28 22:55:53,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:52" (1/1) ...
[2021-10-28 22:55:53,088 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 22:55:53,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25402829-ffbe-4dfa-a3f1-ab3a7ac33246/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 22:55:53,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25402829-ffbe-4dfa-a3f1-ab3a7ac33246/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 22:55:53,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25402829-ffbe-4dfa-a3f1-ab3a7ac33246/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2021-10-28 22:55:53,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-28 22:55:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-28 22:55:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-28 22:55:53,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-28 22:55:54,508 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-28 22:55:54,512 INFO L299 CfgBuilder]: Removed 352 assume(true) statements.
[2021-10-28 22:55:54,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:55:54 BoogieIcfgContainer
[2021-10-28 22:55:54,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-28 22:55:54,516 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-10-28 22:55:54,516 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2021-10-28 22:55:54,519 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2021-10-28 22:55:54,520 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 22:55:54,521 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 10:55:52" (1/3) ...
[2021-10-28 22:55:54,522 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41cdd537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:55:54, skipping insertion in model container
[2021-10-28 22:55:54,522 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 22:55:54,522 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:52" (2/3) ...
[2021-10-28 22:55:54,523 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41cdd537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:55:54, skipping insertion in model container
[2021-10-28 22:55:54,523 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 22:55:54,523 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:55:54" (3/3) ...
[2021-10-28 22:55:54,525 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product63.cil.c
[2021-10-28 22:55:54,579 INFO L359 BuchiCegarLoop]: Interprodecural is true
[2021-10-28 22:55:54,579 INFO L360 BuchiCegarLoop]: Hoare is false
[2021-10-28 22:55:54,580 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-10-28 22:55:54,580 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-28 22:55:54,580 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-28 22:55:54,580 INFO L364 BuchiCegarLoop]: Difference is false
[2021-10-28 22:55:54,580 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-28 22:55:54,581 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-10-28 22:55:54,616 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 224 states, 223 states have (on average 1.506726457399103) internal successors, (336), 223 states have internal predecessors, (336), 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 22:55:54,679 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 147
[2021-10-28 22:55:54,680 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 22:55:54,680 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 22:55:54,690 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2021-10-28 22:55:54,691 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:55:54,691 INFO L425 BuchiCegarLoop]: ======== Iteration 1============
[2021-10-28 22:55:54,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 224 states, 223 states have (on average 1.506726457399103) internal successors, (336), 223 states have internal predecessors, (336), 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 22:55:54,711 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 147
[2021-10-28 22:55:54,713 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 22:55:54,713 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 22:55:54,716 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2021-10-28 22:55:54,716 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:55:54,728 INFO L791 eck$LassoCheckResult]: Stem: 215#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(13);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(77, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(101, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(116, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(104, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string51.base, #t~string51.offset, 1);call write~init~int(82, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(73, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(84, #t~string51.base, 3 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 4 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(75, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 1 + #t~string55.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(110, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(80, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(117, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(109, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(112, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(110, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(102, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(102, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 3 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(32, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 2 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string76.base, #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 1 + #t~string76.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 153#L-1true havoc main_#res;havoc main_#t~ret42, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; 120#L542true 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; 110#L550true main_#t~ret42 := valid_product_#res;main_~tmp~3 := main_#t~ret42;havoc main_#t~ret42; 91#L506true assume 0 != main_~tmp~3; 171#L479true havoc test_#t~nondet79, test_#t~nondet80, test_#t~nondet81, test_#t~nondet82, test_~splverifierCounter~0, test_~tmp~11, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~11;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 169#L566-1true
[2021-10-28 22:55:54,729 INFO L793 eck$LassoCheckResult]: Loop: 169#L566-1true assume !false; 17#L970true assume test_~splverifierCounter~0 < 4; 180#L971true test_~tmp~11 := test_#t~nondet79;havoc test_#t~nondet79; 92#L979true assume !(0 != test_~tmp~11); 90#L979-1true test_~tmp___0~3 := test_#t~nondet80;havoc test_#t~nondet80; 147#L989true assume !(0 != test_~tmp___0~3); 5#L989-1true test_~tmp___2~0 := test_#t~nondet81;havoc test_#t~nondet81; 212#L999true assume 0 != test_~tmp___2~0; 176#L1005-1true assume !(0 != ~pumpRunning~0); 156#L711true assume !(0 != ~systemActive~0); 71#L718true havoc __utac_acc__Specification4_spec__1_#t~ret44, __utac_acc__Specification4_spec__1_#t~ret45, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;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; 23#L664true __utac_acc__Specification4_spec__1_#t~ret44 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret44;havoc __utac_acc__Specification4_spec__1_#t~ret44; 89#L566true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 169#L566-1true
[2021-10-28 22:55:54,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:55:54,736 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times
[2021-10-28 22:55:54,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:55:54,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977958046]
[2021-10-28 22:55:54,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:55:54,749 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:55:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:55:55,047 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 22:55:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:55:55,286 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 22:55:55,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:55:55,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1666538037, now seen corresponding path program 1 times
[2021-10-28 22:55:55,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:55:55,291 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637215433]
[2021-10-28 22:55:55,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:55:55,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:55:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:55:55,299 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 22:55:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:55:55,316 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 22:55:55,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:55:55,318 INFO L85 PathProgramCache]: Analyzing trace with hash 47740901, now seen corresponding path program 1 times
[2021-10-28 22:55:55,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:55:55,319 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4432614]
[2021-10-28 22:55:55,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:55:55,319 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:55:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:55:55,532 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 22:55:55,532 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:55:55,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4432614]
[2021-10-28 22:55:55,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4432614] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:55:55,533 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:55:55,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-10-28 22:55:55,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677849631]
[2021-10-28 22:55:55,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:55:55,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-10-28 22:55:55,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2021-10-28 22:55:55,705 INFO L87 Difference]: Start difference. First operand has 224 states, 223 states have (on average 1.506726457399103) internal successors, (336), 223 states have internal predecessors, (336), 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 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 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 22:55:55,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:55:55,978 INFO L93 Difference]: Finished difference Result 492 states and 714 transitions.
[2021-10-28 22:55:55,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-10-28 22:55:55,980 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 492 states and 714 transitions.
[2021-10-28 22:55:55,987 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 321
[2021-10-28 22:55:55,998 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 492 states to 471 states and 693 transitions.
[2021-10-28 22:55:55,999 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 471
[2021-10-28 22:55:56,001 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 471
[2021-10-28 22:55:56,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 471 states and 693 transitions.
[2021-10-28 22:55:56,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 22:55:56,016 INFO L681 BuchiCegarLoop]: Abstraction has 471 states and 693 transitions.
[2021-10-28 22:55:56,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states and 693 transitions.
[2021-10-28 22:55:56,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 258.
[2021-10-28 22:55:56,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 258 states have (on average 1.4651162790697674) internal successors, (378), 257 states have internal predecessors, (378), 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 22:55:56,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 378 transitions.
[2021-10-28 22:55:56,092 INFO L704 BuchiCegarLoop]: Abstraction has 258 states and 378 transitions.
[2021-10-28 22:55:56,092 INFO L587 BuchiCegarLoop]: Abstraction has 258 states and 378 transitions.
[2021-10-28 22:55:56,092 INFO L425 BuchiCegarLoop]: ======== Iteration 2============
[2021-10-28 22:55:56,092 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 258 states and 378 transitions.
[2021-10-28 22:55:56,094 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 176
[2021-10-28 22:55:56,095 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 22:55:56,095 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 22:55:56,096 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2021-10-28 22:55:56,096 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 22:55:56,096 INFO L791 eck$LassoCheckResult]: Stem: 951#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(13);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(77, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(101, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(116, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(104, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string51.base, #t~string51.offset, 1);call write~init~int(82, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(73, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(84, #t~string51.base, 3 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 4 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(75, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 1 + #t~string55.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(110, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(80, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(117, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(109, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(112, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(110, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(102, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(102, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 3 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(32, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 2 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string76.base, #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 1 + #t~string76.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 927#L-1 havoc main_#res;havoc main_#t~ret42, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; 901#L542 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; 892#L550 main_#t~ret42 := valid_product_#res;main_~tmp~3 := main_#t~ret42;havoc main_#t~ret42; 869#L506 assume 0 != main_~tmp~3; 870#L479 havoc test_#t~nondet79, test_#t~nondet80, test_#t~nondet81, test_#t~nondet82, test_~splverifierCounter~0, test_~tmp~11, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~11;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 778#L566-1
[2021-10-28 22:55:56,097 INFO L793 eck$LassoCheckResult]: Loop: 778#L566-1 assume !false; 762#L970 assume test_~splverifierCounter~0 < 4; 763#L971 test_~tmp~11 := test_#t~nondet79;havoc test_#t~nondet79; 871#L979 assume !(0 != test_~tmp~11); 772#L979-1 test_~tmp___0~3 := test_#t~nondet80;havoc test_#t~nondet80; 868#L989 assume !(0 != test_~tmp___0~3); 738#L989-1 test_~tmp___2~0 := test_#t~nondet81;havoc test_#t~nondet81; 739#L999 assume 0 != test_~tmp___2~0; 802#L1005-1 assume !(0 != ~pumpRunning~0); 931#L711 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret58, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 898#L795 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret57, processEnvironment__wrappee__methaneQuery_~tmp~6;havoc processEnvironment__wrappee__methaneQuery_~tmp~6; 900#L769-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret56, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; 895#L743-3 assume !(0 == ~pumpRunning~0); 737#L718 havoc __utac_acc__Specification4_spec__1_#t~ret44, __utac_acc__Specification4_spec__1_#t~ret45, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;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; 775#L664 __utac_acc__Specification4_spec__1_#t~ret44 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret44;havoc __utac_acc__Specification4_spec__1_#t~ret44; 776#L566 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 778#L566-1
[2021-10-28 22:55:56,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:55:56,098 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times
[2021-10-28 22:55:56,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:55:56,098 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109741646]
[2021-10-28 22:55:56,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:55:56,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:55:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:55:56,150 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 22:55:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:55:56,213 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 22:55:56,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:55:56,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1439331007, now seen corresponding path program 1 times
[2021-10-28 22:55:56,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:55:56,215 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733433128]
[2021-10-28 22:55:56,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:55:56,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:55:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:55:56,254 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 22:55:56,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:55:56,255 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733433128]
[2021-10-28 22:55:56,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733433128] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:55:56,256 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:55:56,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 22:55:56,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352415352]
[2021-10-28 22:55:56,257 INFO L808 eck$LassoCheckResult]: loop already infeasible
[2021-10-28 22:55:56,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:55:56,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 22:55:56,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:55:56,259 INFO L87 Difference]: Start difference. First operand 258 states and 378 transitions. cyclomatic complexity: 123 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 22:55:56,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:55:56,393 INFO L93 Difference]: Finished difference Result 252 states and 346 transitions.
[2021-10-28 22:55:56,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 22:55:56,394 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 252 states and 346 transitions.
[2021-10-28 22:55:56,397 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 176
[2021-10-28 22:55:56,401 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 252 states to 252 states and 346 transitions.
[2021-10-28 22:55:56,401 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 252
[2021-10-28 22:55:56,402 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 252
[2021-10-28 22:55:56,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 252 states and 346 transitions.
[2021-10-28 22:55:56,404 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 22:55:56,404 INFO L681 BuchiCegarLoop]: Abstraction has 252 states and 346 transitions.
[2021-10-28 22:55:56,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states and 346 transitions.
[2021-10-28 22:55:56,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 252.
[2021-10-28 22:55:56,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 252 states have (on average 1.373015873015873) internal successors, (346), 251 states have internal predecessors, (346), 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 22:55:56,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 346 transitions.
[2021-10-28 22:55:56,420 INFO L704 BuchiCegarLoop]: Abstraction has 252 states and 346 transitions.
[2021-10-28 22:55:56,421 INFO L587 BuchiCegarLoop]: Abstraction has 252 states and 346 transitions.
[2021-10-28 22:55:56,421 INFO L425 BuchiCegarLoop]: ======== Iteration 3============
[2021-10-28 22:55:56,421 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 252 states and 346 transitions.
[2021-10-28 22:55:56,430 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 176
[2021-10-28 22:55:56,430 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 22:55:56,430 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 22:55:56,434 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2021-10-28 22:55:56,434 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 22:55:56,434 INFO L791 eck$LassoCheckResult]: Stem: 1430#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(13);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(77, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(101, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(116, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(104, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string51.base, #t~string51.offset, 1);call write~init~int(82, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(73, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(84, #t~string51.base, 3 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 4 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(75, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 1 + #t~string55.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(110, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(80, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(117, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(109, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(112, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(110, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(102, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(102, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 3 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(32, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 2 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string76.base, #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 1 + #t~string76.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 1333#L-1 havoc main_#res;havoc main_#t~ret42, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; 1263#L542 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; 1264#L550 main_#t~ret42 := valid_product_#res;main_~tmp~3 := main_#t~ret42;havoc main_#t~ret42; 1427#L506 assume 0 != main_~tmp~3; 1381#L479 havoc test_#t~nondet79, test_#t~nondet80, test_#t~nondet81, test_#t~nondet82, test_~splverifierCounter~0, test_~tmp~11, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~11;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1332#L566-1
[2021-10-28 22:55:56,435 INFO L793 eck$LassoCheckResult]: Loop: 1332#L566-1 assume !false; 1293#L970 assume test_~splverifierCounter~0 < 4; 1294#L971 test_~tmp~11 := test_#t~nondet79;havoc test_#t~nondet79; 1389#L979 assume !(0 != test_~tmp~11); 1313#L979-1 test_~tmp___0~3 := test_#t~nondet80;havoc test_#t~nondet80; 1317#L989 assume !(0 != test_~tmp___0~3); 1257#L989-1 test_~tmp___2~0 := test_#t~nondet81;havoc test_#t~nondet81; 1258#L999 assume 0 != test_~tmp___2~0; 1363#L1005-1 assume !(0 != ~pumpRunning~0); 1337#L711 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret58, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 1259#L795 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret57, processEnvironment__wrappee__methaneQuery_~tmp~6;havoc processEnvironment__wrappee__methaneQuery_~tmp~6; 1260#L769-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret56, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; 1250#L743-3 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret77, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~9, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~9;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 1251#L672-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 1367#L677-3 isHighWaterLevel_#t~ret77 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~9 := isHighWaterLevel_#t~ret77;havoc isHighWaterLevel_#t~ret77; 1386#L914-9 assume 0 != isHighWaterLevel_~tmp~9;isHighWaterLevel_~tmp___0~1 := 0; 1269#L914-11 isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; 1270#L920-3 processEnvironment__wrappee__highWaterSensor_#t~ret56 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret56;havoc processEnvironment__wrappee__highWaterSensor_#t~ret56; 1392#L747-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5); 1255#L718 havoc __utac_acc__Specification4_spec__1_#t~ret44, __utac_acc__Specification4_spec__1_#t~ret45, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;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; 1329#L664 __utac_acc__Specification4_spec__1_#t~ret44 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret44;havoc __utac_acc__Specification4_spec__1_#t~ret44; 1330#L566 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 1332#L566-1
[2021-10-28 22:55:56,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:55:56,435 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times
[2021-10-28 22:55:56,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:55:56,436 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459251090]
[2021-10-28 22:55:56,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:55:56,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:55:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:55:56,526 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 22:55:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:55:56,590 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 22:55:56,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:55:56,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1579572237, now seen corresponding path program 1 times
[2021-10-28 22:55:56,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:55:56,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460347219]
[2021-10-28 22:55:56,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:55:56,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:55:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:55:56,599 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 22:55:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:55:56,609 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 22:55:56,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:55:56,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1462089933, now seen corresponding path program 1 times
[2021-10-28 22:55:56,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:55:56,611 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942464065]
[2021-10-28 22:55:56,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:55:56,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:55:56,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:55:56,650 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 22:55:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:55:56,701 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 22:57:09,987 WARN L207 SmtUtils]: Spent 1.22 m on a formula simplification. DAG size of input: 491 DAG size of output: 433
[2021-10-28 22:58:25,935 WARN L207 SmtUtils]: Spent 33.49 s on a formula simplification that was a NOOP. DAG size: 433
[2021-10-28 22:58:26,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 10:58:26 BoogieIcfgContainer
[2021-10-28 22:58:26,199 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-10-28 22:58:26,200 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-28 22:58:26,206 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-10-28 22:58:26,206 INFO L275 PluginConnector]: Witness Printer initialized
[2021-10-28 22:58:26,207 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:55:54" (3/4) ...
[2021-10-28 22:58:26,209 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample
[2021-10-28 22:58:26,313 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25402829-ffbe-4dfa-a3f1-ab3a7ac33246/bin/uautomizer-GMMbpWq8iD/witness.graphml
[2021-10-28 22:58:26,314 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-28 22:58:26,316 INFO L168 Benchmark]: Toolchain (without parser) took 154142.22 ms. Allocated memory was 94.4 MB in the beginning and 148.9 MB in the end (delta: 54.5 MB). Free memory was 60.4 MB in the beginning and 72.0 MB in the end (delta: -11.5 MB). Peak memory consumption was 41.1 MB. Max. memory is 16.1 GB.
[2021-10-28 22:58:26,319 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 94.4 MB. Free memory is still 48.8 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 22:58:26,320 INFO L168 Benchmark]: CACSL2BoogieTranslator took 635.99 ms. Allocated memory is still 94.4 MB. Free memory was 60.3 MB in the beginning and 62.1 MB in the end (delta: -1.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-28 22:58:26,320 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.08 ms. Allocated memory is still 94.4 MB. Free memory was 62.1 MB in the beginning and 56.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB.
[2021-10-28 22:58:26,321 INFO L168 Benchmark]: Boogie Preprocessor took 114.09 ms. Allocated memory is still 94.4 MB. Free memory was 56.7 MB in the beginning and 52.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 22:58:26,322 INFO L168 Benchmark]: RCFGBuilder took 1442.99 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 52.8 MB in the beginning and 76.7 MB in the end (delta: -24.0 MB). Peak memory consumption was 24.9 MB. Max. memory is 16.1 GB.
[2021-10-28 22:58:26,322 INFO L168 Benchmark]: BuchiAutomizer took 151683.03 ms. Allocated memory was 113.2 MB in the beginning and 148.9 MB in the end (delta: 35.7 MB). Free memory was 76.7 MB in the beginning and 75.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 84.7 MB. Max. memory is 16.1 GB.
[2021-10-28 22:58:26,323 INFO L168 Benchmark]: Witness Printer took 115.54 ms. Allocated memory is still 148.9 MB. Free memory was 75.0 MB in the beginning and 72.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 22:58:26,326 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.17 ms. Allocated memory is still 94.4 MB. Free memory is still 48.8 MB. There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 635.99 ms. Allocated memory is still 94.4 MB. Free memory was 60.3 MB in the beginning and 62.1 MB in the end (delta: -1.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
* Boogie Procedure Inliner took 140.08 ms. Allocated memory is still 94.4 MB. Free memory was 62.1 MB in the beginning and 56.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB.
* Boogie Preprocessor took 114.09 ms. Allocated memory is still 94.4 MB. Free memory was 56.7 MB in the beginning and 52.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* RCFGBuilder took 1442.99 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 52.8 MB in the beginning and 76.7 MB in the end (delta: -24.0 MB). Peak memory consumption was 24.9 MB. Max. memory is 16.1 GB.
* BuchiAutomizer took 151683.03 ms. Allocated memory was 113.2 MB in the beginning and 148.9 MB in the end (delta: 35.7 MB). Free memory was 76.7 MB in the beginning and 75.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 84.7 MB. Max. memory is 16.1 GB.
* Witness Printer took 115.54 ms. Allocated memory is still 148.9 MB. Free memory was 75.0 MB in the beginning and 72.0 MB in the end (delta: 3.0 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 252 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 151.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 150.8s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 213 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 258 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 550 SDtfs, 1444 SDslu, 1274 SDs, 0 SdLazy, 85 SolverSat, 44 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 969]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite execution
State at position 0 is
{NULL=15384}
State at position 1 is
{NULL=0, NULL=0, NULL=15392, NULL=15384, NULL=15387, methaneLevelCritical=0, NULL=0, NULL=15402, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ecfa2eb=0, tmp___1=0, NULL=15407, NULL=0, NULL=15394, NULL=15403, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@575ade28=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16bbda0f=0, NULL=0, waterLevel=1, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, retValue_acc=1, tmp=1, NULL=15410, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, NULL=0, retValue_acc=0, tmp=1, NULL=0, NULL=0, tmp___0=0, retValue_acc=1, NULL=15389, NULL=15406, tmp=1, NULL=15397, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a83b334=0, head=0, NULL=0, NULL=0, NULL=15401, tmp=0, NULL=0, NULL=0, NULL=15398, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6abc76a3=0, NULL=0, NULL=0, retValue_acc=0, NULL=15404, NULL=15390, NULL=15412, tmp___0=0, NULL=0, NULL=0, tmp___0=0, NULL=15405, NULL=15400, NULL=15386, tmp=0, NULL=15391, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@687a07f3=0, NULL=0, NULL=0, NULL=0, systemActive=1, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73957984=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11efe7d7=55, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@292837f2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1beb8a8b=0, \result=0, NULL=15385, NULL=0, NULL=0, NULL=15408, NULL=15396, \result=0, NULL=15409, NULL=0, NULL=15393, retValue_acc=1, NULL=15395, tmp___2=55, tmp=0, splverifierCounter=0, NULL=0, NULL=15388, NULL=15411, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b4d31e9=0, NULL=15399}
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 1]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L416] int cleanupTimeShifts = 4;
[L589] int waterLevel = 1;
[L590] int methaneLevelCritical = 0;
[L704] int pumpRunning = 0;
[L705] int systemActive = 1;
[L497] int retValue_acc ;
[L498] int tmp ;
[L546] int retValue_acc ;
[L549] retValue_acc = 1
[L550] return (retValue_acc);
[L504] tmp = valid_product()
[L506] COND TRUE \read(tmp)
[L960] int splverifierCounter ;
[L961] int tmp ;
[L962] int tmp___0 ;
[L963] int tmp___1 ;
[L964] int tmp___2 ;
[L967] splverifierCounter = 0
Loop:
[L969] COND TRUE 1
[L971] COND TRUE splverifierCounter < 4
[L977] tmp = __VERIFIER_nondet_int()
[L979] COND FALSE !(\read(tmp))
[L987] tmp___0 = __VERIFIER_nondet_int()
[L989] COND FALSE !(\read(tmp___0))
[L997] tmp___2 = __VERIFIER_nondet_int()
[L999] COND TRUE \read(tmp___2)
[L711] COND FALSE !(\read(pumpRunning))
[L718] COND TRUE \read(systemActive)
[L792] int tmp ;
[L795] COND FALSE !(\read(pumpRunning))
[L766] int tmp ;
[L769] COND FALSE !(\read(pumpRunning))
[L740] int tmp ;
[L743] COND TRUE ! pumpRunning
[L906] int retValue_acc ;
[L907] int tmp ;
[L908] int tmp___0 ;
[L669] int retValue_acc ;
[L672] COND TRUE waterLevel < 2
[L673] retValue_acc = 1
[L674] return (retValue_acc);
[L912] tmp = isHighWaterSensorDry()
[L914] COND TRUE \read(tmp)
[L915] tmp___0 = 0
[L919] retValue_acc = tmp___0
[L920] return (retValue_acc);
[L745] tmp = isHighWaterLevel()
[L747] COND FALSE !(\read(tmp))
[L559] int tmp ;
[L560] int tmp___0 ;
[L660] int retValue_acc ;
[L663] retValue_acc = waterLevel
[L664] return (retValue_acc);
[L564] tmp = getWaterLevel()
[L566] COND FALSE !(tmp == 0)
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2021-10-28 22:58:26,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25402829-ffbe-4dfa-a3f1-ab3a7ac33246/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...