./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product50.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_1ac9b228-2204-44dc-a6e9-b427d028fe66/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac9b228-2204-44dc-a6e9-b427d028fe66/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_1ac9b228-2204-44dc-a6e9-b427d028fe66/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac9b228-2204-44dc-a6e9-b427d028fe66/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac9b228-2204-44dc-a6e9-b427d028fe66/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_1ac9b228-2204-44dc-a6e9-b427d028fe66/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 7291fd5b9449f17989061ec30bdd7b74e8732c40c8095270267a47672f4a66be
......................................................................................................................................................................................................................................................................................................................................................................................................................................................
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 23:04:00,878 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-28 23:04:00,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-28 23:04:00,915 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-28 23:04:00,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-28 23:04:00,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-28 23:04:00,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-28 23:04:00,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-28 23:04:00,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-28 23:04:00,925 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-28 23:04:00,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-28 23:04:00,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-28 23:04:00,929 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-28 23:04:00,930 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-28 23:04:00,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-28 23:04:00,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-28 23:04:00,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-28 23:04:00,935 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-28 23:04:00,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-28 23:04:00,940 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-28 23:04:00,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-28 23:04:00,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-28 23:04:00,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-28 23:04:00,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-28 23:04:00,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-28 23:04:00,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-28 23:04:00,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-28 23:04:00,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-28 23:04:00,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-28 23:04:00,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-28 23:04:00,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-28 23:04:00,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-28 23:04:00,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-28 23:04:00,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-28 23:04:00,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-28 23:04:00,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-28 23:04:00,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-28 23:04:00,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-28 23:04:00,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-28 23:04:00,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-28 23:04:00,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-28 23:04:00,965 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac9b228-2204-44dc-a6e9-b427d028fe66/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf
[2021-10-28 23:04:00,991 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-28 23:04:00,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-28 23:04:00,992 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-28 23:04:00,992 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-28 23:04:00,993 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-28 23:04:00,994 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-28 23:04:00,994 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-28 23:04:00,994 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-10-28 23:04:00,994 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2021-10-28 23:04:00,994 INFO L138 SettingsManager]: * Use old map elimination=false
[2021-10-28 23:04:00,995 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2021-10-28 23:04:00,995 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2021-10-28 23:04:00,995 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2021-10-28 23:04:00,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-28 23:04:00,995 INFO L138 SettingsManager]: * sizeof long=4
[2021-10-28 23:04:00,996 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-10-28 23:04:00,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-28 23:04:00,996 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-10-28 23:04:00,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-28 23:04:00,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2021-10-28 23:04:00,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-10-28 23:04:00,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2021-10-28 23:04:00,997 INFO L138 SettingsManager]: * sizeof long double=12
[2021-10-28 23:04:00,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-10-28 23:04:00,998 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2021-10-28 23:04:00,998 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-28 23:04:00,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2021-10-28 23:04:00,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-28 23:04:00,998 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-28 23:04:00,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-28 23:04:00,999 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-10-28 23:04:00,999 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-28 23:04:01,000 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-10-28 23:04:01,000 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_1ac9b228-2204-44dc-a6e9-b427d028fe66/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac9b228-2204-44dc-a6e9-b427d028fe66/bin/uautomizer-GMMbpWq8iD
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7291fd5b9449f17989061ec30bdd7b74e8732c40c8095270267a47672f4a66be
[2021-10-28 23:04:01,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-28 23:04:01,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-28 23:04:01,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-28 23:04:01,323 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-28 23:04:01,324 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-28 23:04:01,325 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac9b228-2204-44dc-a6e9-b427d028fe66/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec1_product50.cil.c
[2021-10-28 23:04:01,430 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac9b228-2204-44dc-a6e9-b427d028fe66/bin/uautomizer-GMMbpWq8iD/data/b185d3899/35f0d1df74bc4a829066cb4eef3dc93f/FLAG4f57921a9
[2021-10-28 23:04:01,889 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-28 23:04:01,890 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac9b228-2204-44dc-a6e9-b427d028fe66/sv-benchmarks/c/product-lines/minepump_spec1_product50.cil.c
[2021-10-28 23:04:01,913 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac9b228-2204-44dc-a6e9-b427d028fe66/bin/uautomizer-GMMbpWq8iD/data/b185d3899/35f0d1df74bc4a829066cb4eef3dc93f/FLAG4f57921a9
[2021-10-28 23:04:02,251 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac9b228-2204-44dc-a6e9-b427d028fe66/bin/uautomizer-GMMbpWq8iD/data/b185d3899/35f0d1df74bc4a829066cb4eef3dc93f
[2021-10-28 23:04:02,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-28 23:04:02,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-28 23:04:02,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-28 23:04:02,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-28 23:04:02,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-28 23:04:02,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:04:02" (1/1) ...
[2021-10-28 23:04:02,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3134b898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:02, skipping insertion in model container
[2021-10-28 23:04:02,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:04:02" (1/1) ...
[2021-10-28 23:04:02,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-28 23:04:02,334 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-28 23:04:02,561 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_1ac9b228-2204-44dc-a6e9-b427d028fe66/sv-benchmarks/c/product-lines/minepump_spec1_product50.cil.c[6254,6267]
[2021-10-28 23:04:02,658 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:04:02,677 INFO L203 MainTranslator]: Completed pre-run
[2021-10-28 23:04:02,717 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_1ac9b228-2204-44dc-a6e9-b427d028fe66/sv-benchmarks/c/product-lines/minepump_spec1_product50.cil.c[6254,6267]
[2021-10-28 23:04:02,789 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:04:02,809 INFO L208 MainTranslator]: Completed translation
[2021-10-28 23:04:02,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:02 WrapperNode
[2021-10-28 23:04:02,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-28 23:04:02,810 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-28 23:04:02,811 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-28 23:04:02,811 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-28 23:04:02,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:02" (1/1) ...
[2021-10-28 23:04:02,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:02" (1/1) ...
[2021-10-28 23:04:02,901 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-28 23:04:02,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-28 23:04:02,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-28 23:04:02,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-10-28 23:04:02,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:02" (1/1) ...
[2021-10-28 23:04:02,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:02" (1/1) ...
[2021-10-28 23:04:02,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:02" (1/1) ...
[2021-10-28 23:04:02,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:02" (1/1) ...
[2021-10-28 23:04:02,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:02" (1/1) ...
[2021-10-28 23:04:02,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:02" (1/1) ...
[2021-10-28 23:04:02,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:02" (1/1) ...
[2021-10-28 23:04:02,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-28 23:04:02,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-28 23:04:02,970 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-10-28 23:04:02,970 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-10-28 23:04:02,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:02" (1/1) ...
[2021-10-28 23:04:02,981 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 23:04:02,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac9b228-2204-44dc-a6e9-b427d028fe66/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:04:03,003 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac9b228-2204-44dc-a6e9-b427d028fe66/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 23:04:03,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac9b228-2204-44dc-a6e9-b427d028fe66/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2021-10-28 23:04:03,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-28 23:04:03,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-28 23:04:03,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-28 23:04:03,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-28 23:04:03,983 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-28 23:04:03,984 INFO L299 CfgBuilder]: Removed 158 assume(true) statements.
[2021-10-28 23:04:03,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:04:03 BoogieIcfgContainer
[2021-10-28 23:04:03,986 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-28 23:04:03,987 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-10-28 23:04:03,987 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2021-10-28 23:04:03,990 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2021-10-28 23:04:03,991 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 23:04:03,991 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:04:02" (1/3) ...
[2021-10-28 23:04:03,992 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b3da898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:04:03, skipping insertion in model container
[2021-10-28 23:04:03,992 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 23:04:03,992 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:02" (2/3) ...
[2021-10-28 23:04:03,992 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b3da898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:04:03, skipping insertion in model container
[2021-10-28 23:04:03,993 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 23:04:03,993 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:04:03" (3/3) ...
[2021-10-28 23:04:03,994 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product50.cil.c
[2021-10-28 23:04:04,034 INFO L359 BuchiCegarLoop]: Interprodecural is true
[2021-10-28 23:04:04,034 INFO L360 BuchiCegarLoop]: Hoare is false
[2021-10-28 23:04:04,034 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-10-28 23:04:04,034 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-28 23:04:04,034 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-28 23:04:04,034 INFO L364 BuchiCegarLoop]: Difference is false
[2021-10-28 23:04:04,034 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-28 23:04:04,035 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-10-28 23:04:04,051 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 114 states, 113 states have (on average 1.5398230088495575) internal successors, (174), 113 states have internal predecessors, (174), 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 23:04:04,075 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73
[2021-10-28 23:04:04,075 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:04:04,075 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:04:04,083 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2021-10-28 23:04:04,083 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:04:04,083 INFO L425 BuchiCegarLoop]: ======== Iteration 1============
[2021-10-28 23:04:04,084 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 114 states, 113 states have (on average 1.5398230088495575) internal successors, (174), 113 states have internal predecessors, (174), 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 23:04:04,091 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73
[2021-10-28 23:04:04,092 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:04:04,092 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:04:04,093 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2021-10-28 23:04:04,093 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:04:04,097 INFO L791 eck$LassoCheckResult]: Stem: 106#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~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string12.base, #t~string12.offset, 1);call write~init~int(77, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(101, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(116, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(104, #t~string12.base, 4 + #t~string12.offset, 1);call write~init~int(58, #t~string12.base, 5 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 6 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string14.base, #t~string14.offset, 1);call write~init~int(82, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(73, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(84, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 4 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(75, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(110, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(102, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(102, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 3 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string35.base, #t~string35.offset, 1);call write~init~int(80, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(117, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(109, #t~string35.base, 3 + #t~string35.offset, 1);call write~init~int(112, #t~string35.base, 4 + #t~string35.offset, 1);call write~init~int(58, #t~string35.base, 5 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 6 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string37.base, #t~string37.offset, 1);call write~init~int(110, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 2 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string39.base, #t~string39.offset, 1);call write~init~int(102, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(102, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 3 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string41.base, #t~string41.offset, 1);call write~init~int(32, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 2 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string43.base, #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 1 + #t~string43.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(21);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(25);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(30);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(9);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 37#L-1true havoc main_#res;havoc main_#t~ret19, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1; 25#L313true havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 61#L321true main_#t~ret19 := valid_product_#res;main_~tmp~1 := main_#t~ret19;havoc main_#t~ret19; 113#L277true assume 0 != main_~tmp~1; 79#L250true havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 91#L61-1true
[2021-10-28 23:04:04,098 INFO L793 eck$LassoCheckResult]: Loop: 91#L61-1true assume !false; 47#L338true assume test_~splverifierCounter~0 < 4; 114#L339true test_~tmp~2 := test_#t~nondet21;havoc test_#t~nondet21; 99#L347true assume !(0 != test_~tmp~2); 109#L347-1true test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 54#L357true assume !(0 != test_~tmp___0~1); 85#L357-1true test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 15#L367true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 39#L375-2true assume !(0 != ~pumpRunning~0); 56#L412true assume !(0 != ~systemActive~0); 4#L419true havoc __utac_acc__Specification1_spec__1_#t~ret7, __utac_acc__Specification1_spec__1_#t~ret8, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 96#L129true __utac_acc__Specification1_spec__1_#t~ret7 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret7;havoc __utac_acc__Specification1_spec__1_#t~ret7; 64#L61true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 91#L61-1true
[2021-10-28 23:04:04,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:04:04,104 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times
[2021-10-28 23:04:04,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:04:04,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881619441]
[2021-10-28 23:04:04,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:04:04,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:04:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:04:04,386 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:04:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:04:04,644 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:04:04,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:04:04,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1678820861, now seen corresponding path program 1 times
[2021-10-28 23:04:04,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:04:04,661 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946962023]
[2021-10-28 23:04:04,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:04:04,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:04:04,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:04:04,735 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 23:04:04,736 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:04:04,736 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946962023]
[2021-10-28 23:04:04,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946962023] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:04:04,737 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:04:04,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 23:04:04,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483387783]
[2021-10-28 23:04:04,742 INFO L808 eck$LassoCheckResult]: loop already infeasible
[2021-10-28 23:04:04,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:04:04,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:04:04,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:04:04,765 INFO L87 Difference]: Start difference. First operand has 114 states, 113 states have (on average 1.5398230088495575) internal successors, (174), 113 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:04:04,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:04:04,828 INFO L93 Difference]: Finished difference Result 114 states and 164 transitions.
[2021-10-28 23:04:04,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:04:04,831 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 164 transitions.
[2021-10-28 23:04:04,839 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71
[2021-10-28 23:04:04,848 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 107 states and 156 transitions.
[2021-10-28 23:04:04,849 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 107
[2021-10-28 23:04:04,852 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 107
[2021-10-28 23:04:04,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 107 states and 156 transitions.
[2021-10-28 23:04:04,854 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:04:04,854 INFO L681 BuchiCegarLoop]: Abstraction has 107 states and 156 transitions.
[2021-10-28 23:04:04,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states and 156 transitions.
[2021-10-28 23:04:04,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107.
[2021-10-28 23:04:04,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 107 states have (on average 1.4579439252336448) internal successors, (156), 106 states have internal predecessors, (156), 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 23:04:04,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 156 transitions.
[2021-10-28 23:04:04,891 INFO L704 BuchiCegarLoop]: Abstraction has 107 states and 156 transitions.
[2021-10-28 23:04:04,891 INFO L587 BuchiCegarLoop]: Abstraction has 107 states and 156 transitions.
[2021-10-28 23:04:04,891 INFO L425 BuchiCegarLoop]: ======== Iteration 2============
[2021-10-28 23:04:04,892 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states and 156 transitions.
[2021-10-28 23:04:04,895 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71
[2021-10-28 23:04:04,896 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:04:04,896 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:04:04,897 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2021-10-28 23:04:04,897 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:04:04,898 INFO L791 eck$LassoCheckResult]: Stem: 343#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~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string12.base, #t~string12.offset, 1);call write~init~int(77, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(101, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(116, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(104, #t~string12.base, 4 + #t~string12.offset, 1);call write~init~int(58, #t~string12.base, 5 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 6 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string14.base, #t~string14.offset, 1);call write~init~int(82, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(73, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(84, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 4 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(75, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(110, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(102, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(102, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 3 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string35.base, #t~string35.offset, 1);call write~init~int(80, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(117, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(109, #t~string35.base, 3 + #t~string35.offset, 1);call write~init~int(112, #t~string35.base, 4 + #t~string35.offset, 1);call write~init~int(58, #t~string35.base, 5 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 6 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string37.base, #t~string37.offset, 1);call write~init~int(110, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 2 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string39.base, #t~string39.offset, 1);call write~init~int(102, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(102, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 3 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string41.base, #t~string41.offset, 1);call write~init~int(32, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 2 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string43.base, #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 1 + #t~string43.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(21);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(25);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(30);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(9);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 288#L-1 havoc main_#res;havoc main_#t~ret19, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1; 272#L313 havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 273#L321 main_#t~ret19 := valid_product_#res;main_~tmp~1 := main_#t~ret19;havoc main_#t~ret19; 318#L277 assume 0 != main_~tmp~1; 333#L250 havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 320#L61-1
[2021-10-28 23:04:04,898 INFO L793 eck$LassoCheckResult]: Loop: 320#L61-1 assume !false; 301#L338 assume test_~splverifierCounter~0 < 4; 302#L339 test_~tmp~2 := test_#t~nondet21;havoc test_#t~nondet21; 342#L347 assume !(0 != test_~tmp~2); 265#L347-1 test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 311#L357 assume !(0 != test_~tmp___0~1); 277#L357-1 test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 257#L367 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 253#L375-2 assume !(0 != ~pumpRunning~0); 290#L412 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret26, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 313#L470 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret25, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 239#L444-1 assume !(0 == ~pumpRunning~0); 237#L419 havoc __utac_acc__Specification1_spec__1_#t~ret7, __utac_acc__Specification1_spec__1_#t~ret8, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 238#L129 __utac_acc__Specification1_spec__1_#t~ret7 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret7;havoc __utac_acc__Specification1_spec__1_#t~ret7; 319#L61 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 320#L61-1
[2021-10-28 23:04:04,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:04:04,899 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times
[2021-10-28 23:04:04,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:04:04,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080326991]
[2021-10-28 23:04:04,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:04:04,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:04:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:04:04,999 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:04:05,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:04:05,059 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:04:05,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:04:05,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1079829887, now seen corresponding path program 1 times
[2021-10-28 23:04:05,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:04:05,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110848332]
[2021-10-28 23:04:05,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:04:05,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:04:05,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:04:05,076 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 23:04:05,077 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:04:05,077 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110848332]
[2021-10-28 23:04:05,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110848332] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:04:05,077 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:04:05,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 23:04:05,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415797799]
[2021-10-28 23:04:05,078 INFO L808 eck$LassoCheckResult]: loop already infeasible
[2021-10-28 23:04:05,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:04:05,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:04:05,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:04:05,079 INFO L87 Difference]: Start difference. First operand 107 states and 156 transitions. cyclomatic complexity: 51 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 23:04:05,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:04:05,167 INFO L93 Difference]: Finished difference Result 148 states and 204 transitions.
[2021-10-28 23:04:05,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:04:05,168 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 148 states and 204 transitions.
[2021-10-28 23:04:05,173 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102
[2021-10-28 23:04:05,176 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 148 states to 148 states and 204 transitions.
[2021-10-28 23:04:05,177 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 148
[2021-10-28 23:04:05,178 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 148
[2021-10-28 23:04:05,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 148 states and 204 transitions.
[2021-10-28 23:04:05,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:04:05,181 INFO L681 BuchiCegarLoop]: Abstraction has 148 states and 204 transitions.
[2021-10-28 23:04:05,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states and 204 transitions.
[2021-10-28 23:04:05,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148.
[2021-10-28 23:04:05,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 148 states have (on average 1.3783783783783783) internal successors, (204), 147 states have internal predecessors, (204), 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 23:04:05,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 204 transitions.
[2021-10-28 23:04:05,192 INFO L704 BuchiCegarLoop]: Abstraction has 148 states and 204 transitions.
[2021-10-28 23:04:05,193 INFO L587 BuchiCegarLoop]: Abstraction has 148 states and 204 transitions.
[2021-10-28 23:04:05,193 INFO L425 BuchiCegarLoop]: ======== Iteration 3============
[2021-10-28 23:04:05,193 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 148 states and 204 transitions.
[2021-10-28 23:04:05,195 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102
[2021-10-28 23:04:05,195 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:04:05,195 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:04:05,197 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2021-10-28 23:04:05,197 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]
[2021-10-28 23:04:05,197 INFO L791 eck$LassoCheckResult]: Stem: 609#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~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string12.base, #t~string12.offset, 1);call write~init~int(77, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(101, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(116, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(104, #t~string12.base, 4 + #t~string12.offset, 1);call write~init~int(58, #t~string12.base, 5 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 6 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string14.base, #t~string14.offset, 1);call write~init~int(82, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(73, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(84, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 4 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(75, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(110, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(102, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(102, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 3 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string35.base, #t~string35.offset, 1);call write~init~int(80, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(117, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(109, #t~string35.base, 3 + #t~string35.offset, 1);call write~init~int(112, #t~string35.base, 4 + #t~string35.offset, 1);call write~init~int(58, #t~string35.base, 5 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 6 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string37.base, #t~string37.offset, 1);call write~init~int(110, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 2 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string39.base, #t~string39.offset, 1);call write~init~int(102, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(102, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 3 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string41.base, #t~string41.offset, 1);call write~init~int(32, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 2 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string43.base, #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 1 + #t~string43.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(21);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(25);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(30);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(9);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 549#L-1 havoc main_#res;havoc main_#t~ret19, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1; 534#L313 havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 535#L321 main_#t~ret19 := valid_product_#res;main_~tmp~1 := main_#t~ret19;havoc main_#t~ret19; 578#L277 assume 0 != main_~tmp~1; 594#L250 havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 581#L61-1
[2021-10-28 23:04:05,198 INFO L793 eck$LassoCheckResult]: Loop: 581#L61-1 assume !false; 562#L338 assume test_~splverifierCounter~0 < 4; 563#L339 test_~tmp~2 := test_#t~nondet21;havoc test_#t~nondet21; 606#L347 assume !(0 != test_~tmp~2); 527#L347-1 test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 571#L357 assume !(0 != test_~tmp___0~1); 539#L357-1 test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 519#L367 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 515#L375-2 assume !(0 != ~pumpRunning~0); 551#L412 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret26, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 572#L470 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret25, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 500#L444-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret44, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 501#L169-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 566#L174-1 isHighWaterLevel_#t~ret44 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret44;havoc isHighWaterLevel_#t~ret44; 595#L572-3 assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~2 := 0; 603#L572-5 isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; 557#L578-1 processEnvironment__wrappee__highWaterSensor_#t~ret25 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~3 := processEnvironment__wrappee__highWaterSensor_#t~ret25;havoc processEnvironment__wrappee__highWaterSensor_#t~ret25; 558#L448-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3); 498#L419 havoc __utac_acc__Specification1_spec__1_#t~ret7, __utac_acc__Specification1_spec__1_#t~ret8, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 499#L129 __utac_acc__Specification1_spec__1_#t~ret7 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret7;havoc __utac_acc__Specification1_spec__1_#t~ret7; 580#L61 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 581#L61-1
[2021-10-28 23:04:05,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:04:05,200 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times
[2021-10-28 23:04:05,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:04:05,200 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034107854]
[2021-10-28 23:04:05,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:04:05,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:04:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:04:05,269 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:04:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:04:05,315 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:04:05,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:04:05,316 INFO L85 PathProgramCache]: Analyzing trace with hash -246413043, now seen corresponding path program 1 times
[2021-10-28 23:04:05,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:04:05,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437144029]
[2021-10-28 23:04:05,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:04:05,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:04:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:04:05,322 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:04:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:04:05,329 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:04:05,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:04:05,329 INFO L85 PathProgramCache]: Analyzing trace with hash 209658151, now seen corresponding path program 1 times
[2021-10-28 23:04:05,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:04:05,330 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486452596]
[2021-10-28 23:04:05,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:04:05,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:04:05,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:04:05,361 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:04:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:04:05,410 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:04:58,149 WARN L207 SmtUtils]: Spent 52.41 s on a formula simplification. DAG size of input: 491 DAG size of output: 433
[2021-10-28 23:05:52,400 WARN L207 SmtUtils]: Spent 26.19 s on a formula simplification that was a NOOP. DAG size: 433
[2021-10-28 23:05:52,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:05:52 BoogieIcfgContainer
[2021-10-28 23:05:52,537 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-10-28 23:05:52,538 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-28 23:05:52,538 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-10-28 23:05:52,538 INFO L275 PluginConnector]: Witness Printer initialized
[2021-10-28 23:05:52,539 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:04:03" (3/4) ...
[2021-10-28 23:05:52,541 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample
[2021-10-28 23:05:52,587 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac9b228-2204-44dc-a6e9-b427d028fe66/bin/uautomizer-GMMbpWq8iD/witness.graphml
[2021-10-28 23:05:52,587 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-28 23:05:52,588 INFO L168 Benchmark]: Toolchain (without parser) took 110331.49 ms. Allocated memory was 100.7 MB in the beginning and 151.0 MB in the end (delta: 50.3 MB). Free memory was 66.6 MB in the beginning and 60.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 54.2 MB. Max. memory is 16.1 GB.
[2021-10-28 23:05:52,588 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 100.7 MB. Free memory is still 53.1 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 23:05:52,589 INFO L168 Benchmark]: CACSL2BoogieTranslator took 550.53 ms. Allocated memory was 100.7 MB in the beginning and 151.0 MB in the end (delta: 50.3 MB). Free memory was 66.3 MB in the beginning and 118.3 MB in the end (delta: -51.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-28 23:05:52,590 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.97 ms. Allocated memory is still 151.0 MB. Free memory was 118.3 MB in the beginning and 115.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-28 23:05:52,590 INFO L168 Benchmark]: Boogie Preprocessor took 63.03 ms. Allocated memory is still 151.0 MB. Free memory was 115.0 MB in the beginning and 112.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 23:05:52,591 INFO L168 Benchmark]: RCFGBuilder took 1016.27 ms. Allocated memory is still 151.0 MB. Free memory was 112.0 MB in the beginning and 72.2 MB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB.
[2021-10-28 23:05:52,591 INFO L168 Benchmark]: BuchiAutomizer took 108550.63 ms. Allocated memory is still 151.0 MB. Free memory was 72.2 MB in the beginning and 63.9 MB in the end (delta: 8.2 MB). Peak memory consumption was 48.6 MB. Max. memory is 16.1 GB.
[2021-10-28 23:05:52,592 INFO L168 Benchmark]: Witness Printer took 49.20 ms. Allocated memory is still 151.0 MB. Free memory was 63.9 MB in the beginning and 60.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 23:05:52,594 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 100.7 MB. Free memory is still 53.1 MB. There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 550.53 ms. Allocated memory was 100.7 MB in the beginning and 151.0 MB in the end (delta: 50.3 MB). Free memory was 66.3 MB in the beginning and 118.3 MB in the end (delta: -51.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
* Boogie Procedure Inliner took 90.97 ms. Allocated memory is still 151.0 MB. Free memory was 118.3 MB in the beginning and 115.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
* Boogie Preprocessor took 63.03 ms. Allocated memory is still 151.0 MB. Free memory was 115.0 MB in the beginning and 112.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* RCFGBuilder took 1016.27 ms. Allocated memory is still 151.0 MB. Free memory was 112.0 MB in the beginning and 72.2 MB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB.
* BuchiAutomizer took 108550.63 ms. Allocated memory is still 151.0 MB. Free memory was 72.2 MB in the beginning and 63.9 MB in the end (delta: 8.2 MB). Peak memory consumption was 48.6 MB. Max. memory is 16.1 GB.
* Witness Printer took 49.20 ms. Allocated memory is still 151.0 MB. Free memory was 63.9 MB in the beginning and 60.9 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 3 locations. The remainder module has 148 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 108.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 108.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 148 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 319 SDtfs, 264 SDslu, 66 SDs, 0 SdLazy, 33 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s
- TerminationAnalysisResult: Nontermination possible
Buchi Automizer proved that your program is nonterminating for some inputs
- FixpointNonTerminationResult [Line: 337]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite execution
State at position 0 is
{NULL=26988}
State at position 1 is
{NULL=0, NULL=0, NULL=34149, NULL=26988, NULL=0, NULL=45744, NULL=45754, methaneLevelCritical=0, tmp=0, NULL=0, NULL=45752, retValue_acc=0, NULL=45749, NULL=0, tmp___1=0, NULL=45753, NULL=0, NULL=45745, cleanupTimeShifts=4, NULL=34150, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ba99193=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5166a855=0, waterLevel=1, NULL=0, \result=1, head=0, pumpRunning=0, NULL=45747, tmp=1, retValue_acc=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@18fe8d0b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@634ff2ee=59, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29381f63=0, tmp=0, \result=1, NULL=0, NULL=0, NULL=45741, NULL=0, NULL=0, NULL=0, NULL=0, tmp=1, tmp___0=0, NULL=45746, NULL=34148, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@402db810=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2093d2c=0, head=0, tmp=0, NULL=0, NULL=0, NULL=0, NULL=45750, retValue_acc=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d56723a=0, NULL=0, NULL=45751, tmp___0=0, NULL=0, NULL=0, NULL=45742, NULL=45748, NULL=0, NULL=0, tmp___0=0, tmp=0, NULL=34153, NULL=0, NULL=0, systemActive=1, NULL=45743, NULL=0, NULL=34145, \result=0, NULL=0, NULL=34146, NULL=34151, \result=0, NULL=45755, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58ada5c6=0, NULL=0, NULL=0, NULL=45756, retValue_acc=1, NULL=34147, NULL=26989, tmp___2=59, splverifierCounter=0, NULL=0, \result=0, NULL=34152, NULL=34144, NULL=45740, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2471ef9c=0}
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 1]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L86] int waterLevel = 1;
[L87] int methaneLevelCritical = 0;
[L189] int cleanupTimeShifts = 4;
[L405] int pumpRunning = 0;
[L406] int systemActive = 1;
[L779] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L268] int retValue_acc ;
[L269] int tmp ;
[L317] int retValue_acc ;
[L320] retValue_acc = 1
[L321] return (retValue_acc);
[L275] tmp = valid_product()
[L277] COND TRUE \read(tmp)
[L328] int splverifierCounter ;
[L329] int tmp ;
[L330] int tmp___0 ;
[L331] int tmp___1 ;
[L332] int tmp___2 ;
[L335] splverifierCounter = 0
Loop:
[L337] COND TRUE 1
[L339] COND TRUE splverifierCounter < 4
[L345] tmp = __VERIFIER_nondet_int()
[L347] COND FALSE !(\read(tmp))
[L355] tmp___0 = __VERIFIER_nondet_int()
[L357] COND FALSE !(\read(tmp___0))
[L365] tmp___2 = __VERIFIER_nondet_int()
[L367] COND TRUE \read(tmp___2)
[L605] systemActive = 1
[L412] COND FALSE !(\read(pumpRunning))
[L419] COND TRUE \read(systemActive)
[L467] int tmp ;
[L470] COND FALSE !(\read(pumpRunning))
[L441] int tmp ;
[L444] COND TRUE ! pumpRunning
[L564] int retValue_acc ;
[L565] int tmp ;
[L566] int tmp___0 ;
[L166] int retValue_acc ;
[L169] COND TRUE waterLevel < 2
[L170] retValue_acc = 1
[L171] return (retValue_acc);
[L570] tmp = isHighWaterSensorDry()
[L572] COND TRUE \read(tmp)
[L573] tmp___0 = 0
[L577] retValue_acc = tmp___0
[L578] return (retValue_acc);
[L446] tmp = isHighWaterLevel()
[L448] COND FALSE !(\read(tmp))
[L54] int tmp ;
[L55] int tmp___0 ;
[L125] int retValue_acc ;
[L128] retValue_acc = methaneLevelCritical
[L129] return (retValue_acc);
[L59] tmp = isMethaneLevelCritical()
[L61] COND FALSE !(\read(tmp))
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2021-10-28 23:05:52,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac9b228-2204-44dc-a6e9-b427d028fe66/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...