./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product37.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_1bec4083-e2d8-4589-9874-be991604c561/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bec4083-e2d8-4589-9874-be991604c561/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_1bec4083-e2d8-4589-9874-be991604c561/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bec4083-e2d8-4589-9874-be991604c561/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product37.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bec4083-e2d8-4589-9874-be991604c561/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_1bec4083-e2d8-4589-9874-be991604c561/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 e3509f37a4190025a6bf9c4e7a81c42e49e3316a9582aab003e20039c8a6c594
..............................................................................................................................................................................................................................................................................................................................................................................................................................................................
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 23:24:21,758 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-28 23:24:21,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-28 23:24:21,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-28 23:24:21,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-28 23:24:21,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-28 23:24:21,803 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-28 23:24:21,805 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-28 23:24:21,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-28 23:24:21,810 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-28 23:24:21,811 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-28 23:24:21,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-28 23:24:21,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-28 23:24:21,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-28 23:24:21,817 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-28 23:24:21,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-28 23:24:21,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-28 23:24:21,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-28 23:24:21,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-28 23:24:21,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-28 23:24:21,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-28 23:24:21,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-28 23:24:21,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-28 23:24:21,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-28 23:24:21,838 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-28 23:24:21,838 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-28 23:24:21,839 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-28 23:24:21,840 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-28 23:24:21,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-28 23:24:21,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-28 23:24:21,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-28 23:24:21,844 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-28 23:24:21,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-28 23:24:21,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-28 23:24:21,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-28 23:24:21,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-28 23:24:21,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-28 23:24:21,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-28 23:24:21,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-28 23:24:21,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-28 23:24:21,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-28 23:24:21,854 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bec4083-e2d8-4589-9874-be991604c561/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf
[2021-10-28 23:24:21,883 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-28 23:24:21,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-28 23:24:21,884 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-28 23:24:21,884 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-28 23:24:21,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-28 23:24:21,886 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-28 23:24:21,887 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-28 23:24:21,887 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-10-28 23:24:21,888 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2021-10-28 23:24:21,888 INFO L138 SettingsManager]: * Use old map elimination=false
[2021-10-28 23:24:21,888 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2021-10-28 23:24:21,889 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2021-10-28 23:24:21,889 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2021-10-28 23:24:21,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-28 23:24:21,890 INFO L138 SettingsManager]: * sizeof long=4
[2021-10-28 23:24:21,890 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-10-28 23:24:21,890 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-28 23:24:21,891 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-10-28 23:24:21,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-28 23:24:21,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2021-10-28 23:24:21,891 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-10-28 23:24:21,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2021-10-28 23:24:21,892 INFO L138 SettingsManager]: * sizeof long double=12
[2021-10-28 23:24:21,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-10-28 23:24:21,893 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2021-10-28 23:24:21,893 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-28 23:24:21,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2021-10-28 23:24:21,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-28 23:24:21,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-28 23:24:21,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-28 23:24:21,894 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-10-28 23:24:21,895 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-28 23:24:21,896 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-10-28 23:24:21,896 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_1bec4083-e2d8-4589-9874-be991604c561/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bec4083-e2d8-4589-9874-be991604c561/bin/uautomizer-GMMbpWq8iD
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3509f37a4190025a6bf9c4e7a81c42e49e3316a9582aab003e20039c8a6c594
[2021-10-28 23:24:22,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-28 23:24:22,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-28 23:24:22,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-28 23:24:22,212 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-28 23:24:22,213 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-28 23:24:22,214 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bec4083-e2d8-4589-9874-be991604c561/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec4_product37.cil.c
[2021-10-28 23:24:22,300 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bec4083-e2d8-4589-9874-be991604c561/bin/uautomizer-GMMbpWq8iD/data/c78887e1f/3a6878caeb47440d8671ba6323824ede/FLAG59ab949da
[2021-10-28 23:24:23,033 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-28 23:24:23,039 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bec4083-e2d8-4589-9874-be991604c561/sv-benchmarks/c/product-lines/minepump_spec4_product37.cil.c
[2021-10-28 23:24:23,061 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bec4083-e2d8-4589-9874-be991604c561/bin/uautomizer-GMMbpWq8iD/data/c78887e1f/3a6878caeb47440d8671ba6323824ede/FLAG59ab949da
[2021-10-28 23:24:23,275 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bec4083-e2d8-4589-9874-be991604c561/bin/uautomizer-GMMbpWq8iD/data/c78887e1f/3a6878caeb47440d8671ba6323824ede
[2021-10-28 23:24:23,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-28 23:24:23,280 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-28 23:24:23,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-28 23:24:23,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-28 23:24:23,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-28 23:24:23,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:24:23" (1/1) ...
[2021-10-28 23:24:23,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52edfaa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:23, skipping insertion in model container
[2021-10-28 23:24:23,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:24:23" (1/1) ...
[2021-10-28 23:24:23,307 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-28 23:24:23,382 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-28 23:24:23,716 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_1bec4083-e2d8-4589-9874-be991604c561/sv-benchmarks/c/product-lines/minepump_spec4_product37.cil.c[6698,6711]
[2021-10-28 23:24:23,792 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:24:23,812 INFO L203 MainTranslator]: Completed pre-run
[2021-10-28 23:24:23,879 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_1bec4083-e2d8-4589-9874-be991604c561/sv-benchmarks/c/product-lines/minepump_spec4_product37.cil.c[6698,6711]
[2021-10-28 23:24:23,932 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:24:23,957 INFO L208 MainTranslator]: Completed translation
[2021-10-28 23:24:23,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:23 WrapperNode
[2021-10-28 23:24:23,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-28 23:24:23,959 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-28 23:24:23,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-28 23:24:23,961 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-28 23:24:23,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:23" (1/1) ...
[2021-10-28 23:24:24,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:23" (1/1) ...
[2021-10-28 23:24:24,073 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-28 23:24:24,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-28 23:24:24,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-28 23:24:24,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-10-28 23:24:24,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:23" (1/1) ...
[2021-10-28 23:24:24,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:23" (1/1) ...
[2021-10-28 23:24:24,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:23" (1/1) ...
[2021-10-28 23:24:24,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:23" (1/1) ...
[2021-10-28 23:24:24,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:23" (1/1) ...
[2021-10-28 23:24:24,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:23" (1/1) ...
[2021-10-28 23:24:24,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:23" (1/1) ...
[2021-10-28 23:24:24,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-28 23:24:24,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-28 23:24:24,188 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-10-28 23:24:24,189 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-10-28 23:24:24,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:23" (1/1) ...
[2021-10-28 23:24:24,197 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 23:24:24,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bec4083-e2d8-4589-9874-be991604c561/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:24:24,227 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bec4083-e2d8-4589-9874-be991604c561/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 23:24:24,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bec4083-e2d8-4589-9874-be991604c561/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2021-10-28 23:24:24,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-28 23:24:24,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-28 23:24:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-28 23:24:24,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-28 23:24:25,260 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-28 23:24:25,260 INFO L299 CfgBuilder]: Removed 156 assume(true) statements.
[2021-10-28 23:24:25,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:24:25 BoogieIcfgContainer
[2021-10-28 23:24:25,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-28 23:24:25,265 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-10-28 23:24:25,265 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2021-10-28 23:24:25,269 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2021-10-28 23:24:25,270 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 23:24:25,271 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:24:23" (1/3) ...
[2021-10-28 23:24:25,272 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7eb87027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:24:25, skipping insertion in model container
[2021-10-28 23:24:25,272 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 23:24:25,273 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:23" (2/3) ...
[2021-10-28 23:24:25,273 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7eb87027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:24:25, skipping insertion in model container
[2021-10-28 23:24:25,273 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 23:24:25,274 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:24:25" (3/3) ...
[2021-10-28 23:24:25,275 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product37.cil.c
[2021-10-28 23:24:25,329 INFO L359 BuchiCegarLoop]: Interprodecural is true
[2021-10-28 23:24:25,329 INFO L360 BuchiCegarLoop]: Hoare is false
[2021-10-28 23:24:25,330 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-10-28 23:24:25,330 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-28 23:24:25,330 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-28 23:24:25,330 INFO L364 BuchiCegarLoop]: Difference is false
[2021-10-28 23:24:25,330 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-28 23:24:25,330 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-10-28 23:24:25,352 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 108 states, 107 states have (on average 1.5420560747663552) internal successors, (165), 107 states have internal predecessors, (165), 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 23:24:25,389 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69
[2021-10-28 23:24:25,389 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:24:25,389 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:24:25,398 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2021-10-28 23:24:25,398 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:24:25,398 INFO L425 BuchiCegarLoop]: ======== Iteration 1============
[2021-10-28 23:24:25,400 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 108 states, 107 states have (on average 1.5420560747663552) internal successors, (165), 107 states have internal predecessors, (165), 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 23:24:25,419 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69
[2021-10-28 23:24:25,419 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:24:25,419 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:24:25,420 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2021-10-28 23:24:25,420 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:24:25,435 INFO L791 eck$LassoCheckResult]: Stem: 99#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~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(13);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string36.base, #t~string36.offset, 1);call write~init~int(77, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(101, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(116, #t~string36.base, 3 + #t~string36.offset, 1);call write~init~int(104, #t~string36.base, 4 + #t~string36.offset, 1);call write~init~int(58, #t~string36.base, 5 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 6 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string38.base, #t~string38.offset, 1);call write~init~int(82, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(73, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(84, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 4 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(75, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string42.base, #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 1 + #t~string42.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);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~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 31#L-1true havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4; 51#L75true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 20#L83true main_#t~ret32 := valid_product_#res;main_~tmp~4 := main_#t~ret32;havoc main_#t~ret32; 91#L426true assume 0 != main_~tmp~4; 45#L403true havoc test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 29#L918-1true
[2021-10-28 23:24:25,435 INFO L793 eck$LassoCheckResult]: Loop: 29#L918-1true assume !false; 97#L103true assume test_~splverifierCounter~0 < 4; 19#L104true test_~tmp~0 := test_#t~nondet8;havoc test_#t~nondet8; 43#L112true assume !(0 != test_~tmp~0); 58#L112-1true test_~tmp___0~0 := test_#t~nondet9;havoc test_#t~nondet9; 41#L122true assume !(0 != test_~tmp___0~0); 34#L122-1true test_~tmp___2~0 := test_#t~nondet10;havoc test_#t~nondet10; 105#L132true assume 0 != test_~tmp___2~0; 73#L138-2true assume !(0 != ~pumpRunning~0); 47#L173true assume !(0 != ~systemActive~0); 5#L180true havoc __utac_acc__Specification4_spec__1_#t~ret78, __utac_acc__Specification4_spec__1_#t~ret79, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 6#L525true __utac_acc__Specification4_spec__1_#t~ret78 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret78;havoc __utac_acc__Specification4_spec__1_#t~ret78; 15#L918true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 29#L918-1true
[2021-10-28 23:24:25,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:24:25,442 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times
[2021-10-28 23:24:25,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:24:25,454 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446549517]
[2021-10-28 23:24:25,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:24:25,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:24:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:24:25,750 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:24:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:24:25,972 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:24:25,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:24:25,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1679990654, now seen corresponding path program 1 times
[2021-10-28 23:24:25,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:24:25,976 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260979467]
[2021-10-28 23:24:25,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:24:25,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:24:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:24:25,991 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:24:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:24:26,010 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:24:26,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:24:26,011 INFO L85 PathProgramCache]: Analyzing trace with hash 34288284, now seen corresponding path program 1 times
[2021-10-28 23:24:26,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:24:26,012 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431668237]
[2021-10-28 23:24:26,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:24:26,012 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:24:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:24:26,255 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 23:24:26,256 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:24:26,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431668237]
[2021-10-28 23:24:26,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431668237] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:24:26,260 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:24:26,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-10-28 23:24:26,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402886629]
[2021-10-28 23:24:26,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:24:26,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-10-28 23:24:26,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2021-10-28 23:24:26,439 INFO L87 Difference]: Start difference. First operand has 108 states, 107 states have (on average 1.5420560747663552) internal successors, (165), 107 states have internal predecessors, (165), 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 23:24:26,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:24:26,699 INFO L93 Difference]: Finished difference Result 108 states and 154 transitions.
[2021-10-28 23:24:26,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-10-28 23:24:26,702 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 108 states and 154 transitions.
[2021-10-28 23:24:26,705 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67
[2021-10-28 23:24:26,710 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 108 states to 101 states and 147 transitions.
[2021-10-28 23:24:26,712 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 101
[2021-10-28 23:24:26,713 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 101
[2021-10-28 23:24:26,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 101 states and 147 transitions.
[2021-10-28 23:24:26,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:24:26,715 INFO L681 BuchiCegarLoop]: Abstraction has 101 states and 147 transitions.
[2021-10-28 23:24:26,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states and 147 transitions.
[2021-10-28 23:24:26,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101.
[2021-10-28 23:24:26,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 101 states have (on average 1.4554455445544554) internal successors, (147), 100 states have internal predecessors, (147), 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 23:24:26,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 147 transitions.
[2021-10-28 23:24:26,753 INFO L704 BuchiCegarLoop]: Abstraction has 101 states and 147 transitions.
[2021-10-28 23:24:26,753 INFO L587 BuchiCegarLoop]: Abstraction has 101 states and 147 transitions.
[2021-10-28 23:24:26,753 INFO L425 BuchiCegarLoop]: ======== Iteration 2============
[2021-10-28 23:24:26,753 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 101 states and 147 transitions.
[2021-10-28 23:24:26,755 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67
[2021-10-28 23:24:26,756 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:24:26,756 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:24:26,757 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2021-10-28 23:24:26,757 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:24:26,757 INFO L791 eck$LassoCheckResult]: Stem: 334#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~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(13);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string36.base, #t~string36.offset, 1);call write~init~int(77, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(101, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(116, #t~string36.base, 3 + #t~string36.offset, 1);call write~init~int(104, #t~string36.base, 4 + #t~string36.offset, 1);call write~init~int(58, #t~string36.base, 5 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 6 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string38.base, #t~string38.offset, 1);call write~init~int(82, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(73, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(84, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 4 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(75, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string42.base, #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 1 + #t~string42.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);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~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 279#L-1 havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4; 280#L75 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 259#L83 main_#t~ret32 := valid_product_#res;main_~tmp~4 := main_#t~ret32;havoc main_#t~ret32; 260#L426 assume 0 != main_~tmp~4; 300#L403 havoc test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 253#L918-1
[2021-10-28 23:24:26,757 INFO L793 eck$LassoCheckResult]: Loop: 253#L918-1 assume !false; 277#L103 assume test_~splverifierCounter~0 < 4; 257#L104 test_~tmp~0 := test_#t~nondet8;havoc test_#t~nondet8; 258#L112 assume !(0 != test_~tmp~0); 297#L112-1 test_~tmp___0~0 := test_#t~nondet9;havoc test_#t~nondet9; 294#L122 assume !(0 != test_~tmp___0~0); 282#L122-1 test_~tmp___2~0 := test_#t~nondet10;havoc test_#t~nondet10; 283#L132 assume 0 != test_~tmp___2~0; 313#L138-2 assume !(0 != ~pumpRunning~0); 302#L173 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret13, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 303#L231 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret12, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 298#L205-1 assume !(0 == ~pumpRunning~0); 236#L180 havoc __utac_acc__Specification4_spec__1_#t~ret78, __utac_acc__Specification4_spec__1_#t~ret79, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 237#L525 __utac_acc__Specification4_spec__1_#t~ret78 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret78;havoc __utac_acc__Specification4_spec__1_#t~ret78; 238#L918 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 253#L918-1
[2021-10-28 23:24:26,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:24:26,758 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times
[2021-10-28 23:24:26,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:24:26,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470512252]
[2021-10-28 23:24:26,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:24:26,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:24:26,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:24:26,808 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:24:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:24:26,869 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:24:26,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:24:26,870 INFO L85 PathProgramCache]: Analyzing trace with hash -2003597159, now seen corresponding path program 1 times
[2021-10-28 23:24:26,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:24:26,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795214655]
[2021-10-28 23:24:26,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:24:26,871 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:24:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:24:26,886 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 23:24:26,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:24:26,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795214655]
[2021-10-28 23:24:26,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795214655] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:24:26,888 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:24:26,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 23:24:26,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647293962]
[2021-10-28 23:24:26,888 INFO L808 eck$LassoCheckResult]: loop already infeasible
[2021-10-28 23:24:26,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:24:26,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:24:26,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:24:26,890 INFO L87 Difference]: Start difference. First operand 101 states and 147 transitions. cyclomatic complexity: 48 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 23:24:26,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:24:26,990 INFO L93 Difference]: Finished difference Result 142 states and 195 transitions.
[2021-10-28 23:24:26,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:24:26,991 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 195 transitions.
[2021-10-28 23:24:26,996 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98
[2021-10-28 23:24:27,002 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 142 states and 195 transitions.
[2021-10-28 23:24:27,003 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 142
[2021-10-28 23:24:27,004 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 142
[2021-10-28 23:24:27,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 142 states and 195 transitions.
[2021-10-28 23:24:27,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:24:27,008 INFO L681 BuchiCegarLoop]: Abstraction has 142 states and 195 transitions.
[2021-10-28 23:24:27,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states and 195 transitions.
[2021-10-28 23:24:27,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142.
[2021-10-28 23:24:27,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 142 states have (on average 1.3732394366197183) internal successors, (195), 141 states have internal predecessors, (195), 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 23:24:27,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 195 transitions.
[2021-10-28 23:24:27,035 INFO L704 BuchiCegarLoop]: Abstraction has 142 states and 195 transitions.
[2021-10-28 23:24:27,035 INFO L587 BuchiCegarLoop]: Abstraction has 142 states and 195 transitions.
[2021-10-28 23:24:27,036 INFO L425 BuchiCegarLoop]: ======== Iteration 3============
[2021-10-28 23:24:27,036 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 142 states and 195 transitions.
[2021-10-28 23:24:27,038 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98
[2021-10-28 23:24:27,038 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:24:27,038 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:24:27,040 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2021-10-28 23:24:27,040 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 23:24:27,040 INFO L791 eck$LassoCheckResult]: Stem: 592#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~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(13);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string36.base, #t~string36.offset, 1);call write~init~int(77, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(101, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(116, #t~string36.base, 3 + #t~string36.offset, 1);call write~init~int(104, #t~string36.base, 4 + #t~string36.offset, 1);call write~init~int(58, #t~string36.base, 5 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 6 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string38.base, #t~string38.offset, 1);call write~init~int(82, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(73, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(84, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 4 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(75, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string42.base, #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 1 + #t~string42.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);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~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 528#L-1 havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4; 529#L75 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 507#L83 main_#t~ret32 := valid_product_#res;main_~tmp~4 := main_#t~ret32;havoc main_#t~ret32; 508#L426 assume 0 != main_~tmp~4; 549#L403 havoc test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 550#L918-1
[2021-10-28 23:24:27,041 INFO L793 eck$LassoCheckResult]: Loop: 550#L918-1 assume !false; 590#L103 assume test_~splverifierCounter~0 < 4; 505#L104 test_~tmp~0 := test_#t~nondet8;havoc test_#t~nondet8; 506#L112 assume !(0 != test_~tmp~0); 546#L112-1 test_~tmp___0~0 := test_#t~nondet9;havoc test_#t~nondet9; 606#L122 assume !(0 != test_~tmp___0~0); 604#L122-1 test_~tmp___2~0 := test_#t~nondet10;havoc test_#t~nondet10; 593#L132 assume 0 != test_~tmp___2~0; 565#L138-2 assume !(0 != ~pumpRunning~0); 552#L173 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret13, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 553#L231 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret12, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 547#L205-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret31, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 548#L533-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 558#L538-1 isHighWaterLevel_#t~ret31 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret31;havoc isHighWaterLevel_#t~ret31; 559#L333-3 assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~1 := 0; 569#L333-5 isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; 588#L339-1 processEnvironment__wrappee__highWaterSensor_#t~ret12 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret12;havoc processEnvironment__wrappee__highWaterSensor_#t~ret12; 589#L209-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1); 584#L180 havoc __utac_acc__Specification4_spec__1_#t~ret78, __utac_acc__Specification4_spec__1_#t~ret79, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 601#L525 __utac_acc__Specification4_spec__1_#t~ret78 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret78;havoc __utac_acc__Specification4_spec__1_#t~ret78; 599#L918 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 550#L918-1
[2021-10-28 23:24:27,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:24:27,042 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times
[2021-10-28 23:24:27,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:24:27,042 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125002010]
[2021-10-28 23:24:27,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:24:27,044 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:24:27,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:24:27,162 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:24:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:24:27,224 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:24:27,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:24:27,225 INFO L85 PathProgramCache]: Analyzing trace with hash 456147493, now seen corresponding path program 1 times
[2021-10-28 23:24:27,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:24:27,226 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164027618]
[2021-10-28 23:24:27,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:24:27,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:24:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:24:27,232 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:24:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:24:27,241 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:24:27,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:24:27,242 INFO L85 PathProgramCache]: Analyzing trace with hash 912218687, now seen corresponding path program 1 times
[2021-10-28 23:24:27,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:24:27,243 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536210631]
[2021-10-28 23:24:27,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:24:27,243 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:24:27,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:24:27,279 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:24:27,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:24:27,347 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:25:30,094 WARN L207 SmtUtils]: Spent 1.04 m on a formula simplification. DAG size of input: 491 DAG size of output: 433
[2021-10-28 23:26:34,138 WARN L207 SmtUtils]: Spent 29.68 s on a formula simplification that was a NOOP. DAG size: 433
[2021-10-28 23:26:34,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:26:34 BoogieIcfgContainer
[2021-10-28 23:26:34,316 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-10-28 23:26:34,316 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-28 23:26:34,316 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-10-28 23:26:34,317 INFO L275 PluginConnector]: Witness Printer initialized
[2021-10-28 23:26:34,317 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:24:25" (3/4) ...
[2021-10-28 23:26:34,319 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample
[2021-10-28 23:26:34,395 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bec4083-e2d8-4589-9874-be991604c561/bin/uautomizer-GMMbpWq8iD/witness.graphml
[2021-10-28 23:26:34,396 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-28 23:26:34,397 INFO L168 Benchmark]: Toolchain (without parser) took 131116.59 ms. Allocated memory was 125.8 MB in the beginning and 174.1 MB in the end (delta: 48.2 MB). Free memory was 84.4 MB in the beginning and 131.2 MB in the end (delta: -46.7 MB). Peak memory consumption was 1.1 MB. Max. memory is 16.1 GB.
[2021-10-28 23:26:34,397 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 125.8 MB. Free memory is still 101.4 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 23:26:34,398 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.80 ms. Allocated memory is still 125.8 MB. Free memory was 84.2 MB in the beginning and 91.0 MB in the end (delta: -6.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
[2021-10-28 23:26:34,399 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.65 ms. Allocated memory is still 125.8 MB. Free memory was 91.0 MB in the beginning and 87.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-28 23:26:34,399 INFO L168 Benchmark]: Boogie Preprocessor took 105.39 ms. Allocated memory is still 125.8 MB. Free memory was 87.5 MB in the beginning and 84.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 23:26:34,400 INFO L168 Benchmark]: RCFGBuilder took 1075.51 ms. Allocated memory was 125.8 MB in the beginning and 174.1 MB in the end (delta: 48.2 MB). Free memory was 84.8 MB in the beginning and 145.3 MB in the end (delta: -60.4 MB). Peak memory consumption was 47.0 MB. Max. memory is 16.1 GB.
[2021-10-28 23:26:34,401 INFO L168 Benchmark]: BuchiAutomizer took 129050.79 ms. Allocated memory is still 174.1 MB. Free memory was 145.3 MB in the beginning and 133.3 MB in the end (delta: 12.0 MB). Peak memory consumption was 107.4 MB. Max. memory is 16.1 GB.
[2021-10-28 23:26:34,401 INFO L168 Benchmark]: Witness Printer took 79.38 ms. Allocated memory is still 174.1 MB. Free memory was 133.3 MB in the beginning and 131.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 23:26:34,405 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.29 ms. Allocated memory is still 125.8 MB. Free memory is still 101.4 MB. There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 672.80 ms. Allocated memory is still 125.8 MB. Free memory was 84.2 MB in the beginning and 91.0 MB in the end (delta: -6.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
* Boogie Procedure Inliner took 121.65 ms. Allocated memory is still 125.8 MB. Free memory was 91.0 MB in the beginning and 87.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
* Boogie Preprocessor took 105.39 ms. Allocated memory is still 125.8 MB. Free memory was 87.5 MB in the beginning and 84.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* RCFGBuilder took 1075.51 ms. Allocated memory was 125.8 MB in the beginning and 174.1 MB in the end (delta: 48.2 MB). Free memory was 84.8 MB in the beginning and 145.3 MB in the end (delta: -60.4 MB). Peak memory consumption was 47.0 MB. Max. memory is 16.1 GB.
* BuchiAutomizer took 129050.79 ms. Allocated memory is still 174.1 MB. Free memory was 145.3 MB in the beginning and 133.3 MB in the end (delta: 12.0 MB). Peak memory consumption was 107.4 MB. Max. memory is 16.1 GB.
* Witness Printer took 79.38 ms. Allocated memory is still 174.1 MB. Free memory was 133.3 MB in the beginning and 131.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Constructed decomposition of program
Your program was decomposed into 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 142 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 128.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 128.3s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 142 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 298 SDtfs, 557 SDslu, 59 SDs, 0 SdLazy, 38 SolverSat, 24 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: 102]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite execution
State at position 0 is
{NULL=27407}
State at position 1 is
{NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@74d78901=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22d6cf1b=0, NULL=27407, NULL=56934, NULL=0, NULL=56937, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a8a388e=0, retValue_acc=0, tmp___1=0, NULL=0, NULL=27408, NULL=56924, cleanupTimeShifts=4, tmp=0, NULL=56922, waterLevel=1, NULL=0, NULL=0, tmp___0=0, \result=1, head=0, pumpRunning=0, retValue_acc=1, NULL=56927, tmp=1, NULL=0, NULL=0, NULL=0, \result=1, NULL=56920, NULL=0, NULL=0, tmp=1, NULL=56936, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f414658=0, retValue_acc=1, tmp=1, NULL=0, NULL=56929, NULL=56925, NULL=53729, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@267b48a6=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62199fd2=0, head=0, NULL=0, NULL=0, NULL=53728, NULL=56921, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5495b6eb=0, retValue_acc=0, NULL=0, NULL=56935, NULL=56919, NULL=56931, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37601c0a=64, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2283b85a=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7fb227f3=0, NULL=0, NULL=0, NULL=0, NULL=56930, tmp=0, NULL=56926, tmp___0=0, NULL=0, systemActive=1, \result=1, \result=0, NULL=27411, NULL=27409, \result=0, NULL=56932, NULL=0, NULL=0, NULL=56923, NULL=27410, retValue_acc=1, tmp___2=64, splverifierCounter=0, NULL=0, NULL=56928, NULL=56938, NULL=0, NULL=0, NULL=27412, NULL=0, NULL=53730, NULL=56933}
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 1]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L165] int pumpRunning = 0;
[L166] int systemActive = 1;
[L344] int cleanupTimeShifts = 4;
[L450] int waterLevel = 1;
[L451] int methaneLevelCritical = 0;
[L713] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L417] int retValue_acc ;
[L418] int tmp ;
[L79] int retValue_acc ;
[L82] retValue_acc = 1
[L83] return (retValue_acc);
[L424] tmp = valid_product()
[L426] COND TRUE \read(tmp)
[L93] int splverifierCounter ;
[L94] int tmp ;
[L95] int tmp___0 ;
[L96] int tmp___1 ;
[L97] int tmp___2 ;
[L100] splverifierCounter = 0
Loop:
[L102] COND TRUE 1
[L104] COND TRUE splverifierCounter < 4
[L110] tmp = __VERIFIER_nondet_int()
[L112] COND FALSE !(\read(tmp))
[L120] tmp___0 = __VERIFIER_nondet_int()
[L122] COND FALSE !(\read(tmp___0))
[L130] tmp___2 = __VERIFIER_nondet_int()
[L132] COND TRUE \read(tmp___2)
[L173] COND FALSE !(\read(pumpRunning))
[L180] COND TRUE \read(systemActive)
[L228] int tmp ;
[L231] COND FALSE !(\read(pumpRunning))
[L202] int tmp ;
[L205] COND TRUE ! pumpRunning
[L325] int retValue_acc ;
[L326] int tmp ;
[L327] int tmp___0 ;
[L530] int retValue_acc ;
[L533] COND TRUE waterLevel < 2
[L534] retValue_acc = 1
[L535] return (retValue_acc);
[L331] tmp = isHighWaterSensorDry()
[L333] COND TRUE \read(tmp)
[L334] tmp___0 = 0
[L338] retValue_acc = tmp___0
[L339] return (retValue_acc);
[L207] tmp = isHighWaterLevel()
[L209] COND FALSE !(\read(tmp))
[L911] int tmp ;
[L912] int tmp___0 ;
[L521] int retValue_acc ;
[L524] retValue_acc = waterLevel
[L525] return (retValue_acc);
[L916] tmp = getWaterLevel()
[L918] COND FALSE !(tmp == 0)
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2021-10-28 23:26:34,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bec4083-e2d8-4589-9874-be991604c561/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0
Received shutdown request...