./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product54.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_a8c0622d-a34d-4b58-8fac-dda4d0ce635e/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c0622d-a34d-4b58-8fac-dda4d0ce635e/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_a8c0622d-a34d-4b58-8fac-dda4d0ce635e/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c0622d-a34d-4b58-8fac-dda4d0ce635e/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c0622d-a34d-4b58-8fac-dda4d0ce635e/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_a8c0622d-a34d-4b58-8fac-dda4d0ce635e/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 90a76a2882b85be994db917b0e3084e326cc29272a09018948be7f2d57c03e00
........................................................................................................................................................................................................................................................................................................................................................................................................................................................
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 23:30:30,576 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-28 23:30:30,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-28 23:30:30,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-28 23:30:30,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-28 23:30:30,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-28 23:30:30,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-28 23:30:30,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-28 23:30:30,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-28 23:30:30,672 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-28 23:30:30,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-28 23:30:30,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-28 23:30:30,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-28 23:30:30,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-28 23:30:30,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-28 23:30:30,687 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-28 23:30:30,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-28 23:30:30,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-28 23:30:30,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-28 23:30:30,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-28 23:30:30,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-28 23:30:30,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-28 23:30:30,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-28 23:30:30,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-28 23:30:30,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-28 23:30:30,728 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-28 23:30:30,728 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-28 23:30:30,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-28 23:30:30,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-28 23:30:30,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-28 23:30:30,737 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-28 23:30:30,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-28 23:30:30,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-28 23:30:30,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-28 23:30:30,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-28 23:30:30,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-28 23:30:30,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-28 23:30:30,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-28 23:30:30,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-28 23:30:30,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-28 23:30:30,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-28 23:30:30,747 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c0622d-a34d-4b58-8fac-dda4d0ce635e/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf
[2021-10-28 23:30:30,783 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-28 23:30:30,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-28 23:30:30,784 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-28 23:30:30,785 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-28 23:30:30,786 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-28 23:30:30,786 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-28 23:30:30,787 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-28 23:30:30,787 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-10-28 23:30:30,787 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2021-10-28 23:30:30,788 INFO L138 SettingsManager]: * Use old map elimination=false
[2021-10-28 23:30:30,788 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2021-10-28 23:30:30,788 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2021-10-28 23:30:30,788 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2021-10-28 23:30:30,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-28 23:30:30,789 INFO L138 SettingsManager]: * sizeof long=4
[2021-10-28 23:30:30,789 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-10-28 23:30:30,789 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-28 23:30:30,790 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-10-28 23:30:30,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-28 23:30:30,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2021-10-28 23:30:30,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-10-28 23:30:30,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2021-10-28 23:30:30,791 INFO L138 SettingsManager]: * sizeof long double=12
[2021-10-28 23:30:30,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-10-28 23:30:30,792 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2021-10-28 23:30:30,792 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-28 23:30:30,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2021-10-28 23:30:30,792 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-28 23:30:30,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-28 23:30:30,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-28 23:30:30,793 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-10-28 23:30:30,794 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-28 23:30:30,795 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-10-28 23:30:30,795 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_a8c0622d-a34d-4b58-8fac-dda4d0ce635e/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c0622d-a34d-4b58-8fac-dda4d0ce635e/bin/uautomizer-GMMbpWq8iD
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90a76a2882b85be994db917b0e3084e326cc29272a09018948be7f2d57c03e00
[2021-10-28 23:30:31,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-28 23:30:31,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-28 23:30:31,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-28 23:30:31,118 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-28 23:30:31,119 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-28 23:30:31,121 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c0622d-a34d-4b58-8fac-dda4d0ce635e/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c
[2021-10-28 23:30:31,272 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c0622d-a34d-4b58-8fac-dda4d0ce635e/bin/uautomizer-GMMbpWq8iD/data/1e8bdf758/3a094bbd49a94abaaf756f12e643101d/FLAG8fc400927
[2021-10-28 23:30:31,952 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-28 23:30:31,953 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c0622d-a34d-4b58-8fac-dda4d0ce635e/sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c
[2021-10-28 23:30:31,976 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c0622d-a34d-4b58-8fac-dda4d0ce635e/bin/uautomizer-GMMbpWq8iD/data/1e8bdf758/3a094bbd49a94abaaf756f12e643101d/FLAG8fc400927
[2021-10-28 23:30:32,234 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c0622d-a34d-4b58-8fac-dda4d0ce635e/bin/uautomizer-GMMbpWq8iD/data/1e8bdf758/3a094bbd49a94abaaf756f12e643101d
[2021-10-28 23:30:32,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-28 23:30:32,241 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-28 23:30:32,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-28 23:30:32,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-28 23:30:32,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-28 23:30:32,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:30:32" (1/1) ...
[2021-10-28 23:30:32,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26ebc7e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:32, skipping insertion in model container
[2021-10-28 23:30:32,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:30:32" (1/1) ...
[2021-10-28 23:30:32,271 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-28 23:30:32,349 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-28 23:30:32,580 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_a8c0622d-a34d-4b58-8fac-dda4d0ce635e/sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c[3816,3829]
[2021-10-28 23:30:32,796 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:30:32,822 INFO L203 MainTranslator]: Completed pre-run
[2021-10-28 23:30:32,867 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_a8c0622d-a34d-4b58-8fac-dda4d0ce635e/sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c[3816,3829]
[2021-10-28 23:30:32,977 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:30:33,006 INFO L208 MainTranslator]: Completed translation
[2021-10-28 23:30:33,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:33 WrapperNode
[2021-10-28 23:30:33,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-28 23:30:33,009 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-28 23:30:33,009 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-28 23:30:33,010 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-28 23:30:33,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:33" (1/1) ...
[2021-10-28 23:30:33,058 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:33" (1/1) ...
[2021-10-28 23:30:33,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-28 23:30:33,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-28 23:30:33,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-28 23:30:33,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-10-28 23:30:33,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:33" (1/1) ...
[2021-10-28 23:30:33,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:33" (1/1) ...
[2021-10-28 23:30:33,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:33" (1/1) ...
[2021-10-28 23:30:33,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:33" (1/1) ...
[2021-10-28 23:30:33,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:33" (1/1) ...
[2021-10-28 23:30:33,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:33" (1/1) ...
[2021-10-28 23:30:33,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:33" (1/1) ...
[2021-10-28 23:30:33,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-28 23:30:33,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-28 23:30:33,227 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-10-28 23:30:33,228 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-10-28 23:30:33,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:33" (1/1) ...
[2021-10-28 23:30:33,239 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 23:30:33,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c0622d-a34d-4b58-8fac-dda4d0ce635e/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:30:33,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c0622d-a34d-4b58-8fac-dda4d0ce635e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 23:30:33,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c0622d-a34d-4b58-8fac-dda4d0ce635e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2021-10-28 23:30:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-28 23:30:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-28 23:30:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-28 23:30:33,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-28 23:30:34,797 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-28 23:30:34,797 INFO L299 CfgBuilder]: Removed 278 assume(true) statements.
[2021-10-28 23:30:34,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:30:34 BoogieIcfgContainer
[2021-10-28 23:30:34,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-28 23:30:34,802 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-10-28 23:30:34,802 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2021-10-28 23:30:34,806 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2021-10-28 23:30:34,806 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 23:30:34,807 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:30:32" (1/3) ...
[2021-10-28 23:30:34,822 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1bb791f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:30:34, skipping insertion in model container
[2021-10-28 23:30:34,822 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 23:30:34,822 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:30:33" (2/3) ...
[2021-10-28 23:30:34,822 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1bb791f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:30:34, skipping insertion in model container
[2021-10-28 23:30:34,823 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 23:30:34,823 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:30:34" (3/3) ...
[2021-10-28 23:30:34,824 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product54.cil.c
[2021-10-28 23:30:34,916 INFO L359 BuchiCegarLoop]: Interprodecural is true
[2021-10-28 23:30:34,933 INFO L360 BuchiCegarLoop]: Hoare is false
[2021-10-28 23:30:34,933 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-10-28 23:30:34,933 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-28 23:30:34,933 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-28 23:30:34,934 INFO L364 BuchiCegarLoop]: Difference is false
[2021-10-28 23:30:34,934 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-28 23:30:34,934 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-10-28 23:30:34,988 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 186 states, 185 states have (on average 1.5405405405405406) internal successors, (285), 185 states have internal predecessors, (285), 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 23:30:35,022 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 121
[2021-10-28 23:30:35,022 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:30:35,022 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:30:35,033 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2021-10-28 23:30:35,033 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:30:35,033 INFO L425 BuchiCegarLoop]: ======== Iteration 1============
[2021-10-28 23:30:35,035 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 186 states, 185 states have (on average 1.5405405405405406) internal successors, (285), 185 states have internal predecessors, (285), 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 23:30:35,051 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 121
[2021-10-28 23:30:35,051 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:30:35,051 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:30:35,058 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2021-10-28 23:30:35,058 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:30:35,063 INFO L791 eck$LassoCheckResult]: Stem: 165#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~string17.base, #t~string17.offset := #Ultimate.allocOnStack(13);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string23.base, #t~string23.offset, 1);call write~init~int(80, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(117, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(109, #t~string23.base, 3 + #t~string23.offset, 1);call write~init~int(112, #t~string23.base, 4 + #t~string23.offset, 1);call write~init~int(58, #t~string23.base, 5 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 6 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(110, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string29.base, #t~string29.offset, 1);call write~init~int(32, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string31.base, #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 1 + #t~string31.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.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(25);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(25);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(13);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string75.base, #t~string75.offset, 1);call write~init~int(77, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(101, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(116, #t~string75.base, 3 + #t~string75.offset, 1);call write~init~int(104, #t~string75.base, 4 + #t~string75.offset, 1);call write~init~int(58, #t~string75.base, 5 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 6 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string77.base, #t~string77.offset, 1);call write~init~int(82, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(73, #t~string77.base, 2 + #t~string77.offset, 1);call write~init~int(84, #t~string77.base, 3 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 4 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string79.base, #t~string79.offset, 1);call write~init~int(75, #t~string79.base, 1 + #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 2 + #t~string79.offset, 1);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string81.base, #t~string81.offset, 1);call write~init~int(0, #t~string81.base, 1 + #t~string81.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 53#L-1true havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 21#L493true 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; 60#L501true main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 72#L140true assume 0 != main_~tmp~0; 151#L113true havoc test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 51#L514-1true
[2021-10-28 23:30:35,064 INFO L793 eck$LassoCheckResult]: Loop: 51#L514-1true assume !false; 120#L166true assume test_~splverifierCounter~0 < 4; 32#L167true test_~tmp~1 := test_#t~nondet8;havoc test_#t~nondet8; 6#L175true assume !(0 != test_~tmp~1); 170#L175-1true test_~tmp___0~0 := test_#t~nondet9;havoc test_#t~nondet9; 133#L185true assume !(0 != test_~tmp___0~0); 152#L185-1true test_~tmp___2~0 := test_#t~nondet10;havoc test_#t~nondet10; 140#L195true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 84#L203-2true assume !(0 != ~pumpRunning~0); 141#L247true assume !(0 != ~systemActive~0); 67#L254true havoc __utac_acc__Specification1_spec__1_#t~ret35, __utac_acc__Specification1_spec__1_#t~ret36, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 85#L942-1true __utac_acc__Specification1_spec__1_#t~ret35 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret35;havoc __utac_acc__Specification1_spec__1_#t~ret35; 106#L514true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 51#L514-1true
[2021-10-28 23:30:35,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:30:35,071 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times
[2021-10-28 23:30:35,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:30:35,093 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436201585]
[2021-10-28 23:30:35,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:30:35,095 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:30:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:30:35,364 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:30:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:30:35,676 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:30:35,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:30:35,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1675526973, now seen corresponding path program 1 times
[2021-10-28 23:30:35,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:30:35,682 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990707829]
[2021-10-28 23:30:35,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:30:35,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:30:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:30:35,774 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 23:30:35,775 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:30:35,775 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990707829]
[2021-10-28 23:30:35,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990707829] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:30:35,776 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:30:35,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 23:30:35,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113058631]
[2021-10-28 23:30:35,782 INFO L808 eck$LassoCheckResult]: loop already infeasible
[2021-10-28 23:30:35,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:30:35,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:30:35,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:30:35,815 INFO L87 Difference]: Start difference. First operand has 186 states, 185 states have (on average 1.5405405405405406) internal successors, (285), 185 states have internal predecessors, (285), 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 23:30:35,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:30:35,877 INFO L93 Difference]: Finished difference Result 186 states and 275 transitions.
[2021-10-28 23:30:35,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:30:35,880 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 186 states and 275 transitions.
[2021-10-28 23:30:35,889 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 119
[2021-10-28 23:30:35,898 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 186 states to 179 states and 267 transitions.
[2021-10-28 23:30:35,900 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 179
[2021-10-28 23:30:35,902 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 179
[2021-10-28 23:30:35,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 179 states and 267 transitions.
[2021-10-28 23:30:35,909 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:30:35,910 INFO L681 BuchiCegarLoop]: Abstraction has 179 states and 267 transitions.
[2021-10-28 23:30:35,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states and 267 transitions.
[2021-10-28 23:30:35,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179.
[2021-10-28 23:30:35,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 179 states have (on average 1.4916201117318435) internal successors, (267), 178 states have internal predecessors, (267), 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 23:30:35,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 267 transitions.
[2021-10-28 23:30:35,978 INFO L704 BuchiCegarLoop]: Abstraction has 179 states and 267 transitions.
[2021-10-28 23:30:35,978 INFO L587 BuchiCegarLoop]: Abstraction has 179 states and 267 transitions.
[2021-10-28 23:30:35,978 INFO L425 BuchiCegarLoop]: ======== Iteration 2============
[2021-10-28 23:30:35,978 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 179 states and 267 transitions.
[2021-10-28 23:30:35,989 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 119
[2021-10-28 23:30:35,994 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:30:35,995 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:30:35,996 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2021-10-28 23:30:36,000 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:30:36,000 INFO L791 eck$LassoCheckResult]: Stem: 558#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~string17.base, #t~string17.offset := #Ultimate.allocOnStack(13);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string23.base, #t~string23.offset, 1);call write~init~int(80, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(117, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(109, #t~string23.base, 3 + #t~string23.offset, 1);call write~init~int(112, #t~string23.base, 4 + #t~string23.offset, 1);call write~init~int(58, #t~string23.base, 5 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 6 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(110, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string29.base, #t~string29.offset, 1);call write~init~int(32, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string31.base, #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 1 + #t~string31.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.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(25);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(25);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(13);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string75.base, #t~string75.offset, 1);call write~init~int(77, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(101, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(116, #t~string75.base, 3 + #t~string75.offset, 1);call write~init~int(104, #t~string75.base, 4 + #t~string75.offset, 1);call write~init~int(58, #t~string75.base, 5 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 6 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string77.base, #t~string77.offset, 1);call write~init~int(82, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(73, #t~string77.base, 2 + #t~string77.offset, 1);call write~init~int(84, #t~string77.base, 3 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 4 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string79.base, #t~string79.offset, 1);call write~init~int(75, #t~string79.base, 1 + #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 2 + #t~string79.offset, 1);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string81.base, #t~string81.offset, 1);call write~init~int(0, #t~string81.base, 1 + #t~string81.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 463#L-1 havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 419#L493 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; 420#L501 main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 468#L140 assume 0 != main_~tmp~0; 485#L113 havoc test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 398#L514-1
[2021-10-28 23:30:36,002 INFO L793 eck$LassoCheckResult]: Loop: 398#L514-1 assume !false; 462#L166 assume test_~splverifierCounter~0 < 4; 433#L167 test_~tmp~1 := test_#t~nondet8;havoc test_#t~nondet8; 389#L175 assume !(0 != test_~tmp~1); 391#L175-1 test_~tmp___0~0 := test_#t~nondet9;havoc test_#t~nondet9; 546#L185 assume !(0 != test_~tmp___0~0); 516#L185-1 test_~tmp___2~0 := test_#t~nondet10;havoc test_#t~nondet10; 553#L195 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 452#L203-2 assume !(0 != ~pumpRunning~0); 504#L247 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret14, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 404#L331 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret13, processEnvironment__wrappee__lowWaterSensor_~tmp~3;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~3; 406#L305-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret12, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; 443#L279-3 assume !(0 == ~pumpRunning~0); 414#L254 havoc __utac_acc__Specification1_spec__1_#t~ret35, __utac_acc__Specification1_spec__1_#t~ret36, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 477#L942-1 __utac_acc__Specification1_spec__1_#t~ret35 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret35;havoc __utac_acc__Specification1_spec__1_#t~ret35; 503#L514 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 398#L514-1
[2021-10-28 23:30:36,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:30:36,005 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times
[2021-10-28 23:30:36,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:30:36,006 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766269631]
[2021-10-28 23:30:36,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:30:36,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:30:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:30:36,095 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:30:36,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:30:36,226 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:30:36,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:30:36,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1905346314, now seen corresponding path program 1 times
[2021-10-28 23:30:36,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:30:36,228 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430881639]
[2021-10-28 23:30:36,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:30:36,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:30:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:30:36,259 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 23:30:36,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:30:36,263 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430881639]
[2021-10-28 23:30:36,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430881639] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:30:36,264 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:30:36,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 23:30:36,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290568346]
[2021-10-28 23:30:36,265 INFO L808 eck$LassoCheckResult]: loop already infeasible
[2021-10-28 23:30:36,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:30:36,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:30:36,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:30:36,267 INFO L87 Difference]: Start difference. First operand 179 states and 267 transitions. cyclomatic complexity: 90 Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:30:36,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:30:36,469 INFO L93 Difference]: Finished difference Result 184 states and 255 transitions.
[2021-10-28 23:30:36,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:30:36,470 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 184 states and 255 transitions.
[2021-10-28 23:30:36,474 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 126
[2021-10-28 23:30:36,482 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 184 states to 184 states and 255 transitions.
[2021-10-28 23:30:36,482 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 184
[2021-10-28 23:30:36,486 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 184
[2021-10-28 23:30:36,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 184 states and 255 transitions.
[2021-10-28 23:30:36,494 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:30:36,496 INFO L681 BuchiCegarLoop]: Abstraction has 184 states and 255 transitions.
[2021-10-28 23:30:36,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states and 255 transitions.
[2021-10-28 23:30:36,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184.
[2021-10-28 23:30:36,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 184 states have (on average 1.3858695652173914) internal successors, (255), 183 states have internal predecessors, (255), 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 23:30:36,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 255 transitions.
[2021-10-28 23:30:36,516 INFO L704 BuchiCegarLoop]: Abstraction has 184 states and 255 transitions.
[2021-10-28 23:30:36,516 INFO L587 BuchiCegarLoop]: Abstraction has 184 states and 255 transitions.
[2021-10-28 23:30:36,517 INFO L425 BuchiCegarLoop]: ======== Iteration 3============
[2021-10-28 23:30:36,517 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 184 states and 255 transitions.
[2021-10-28 23:30:36,521 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 126
[2021-10-28 23:30:36,522 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:30:36,522 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:30:36,527 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2021-10-28 23:30:36,527 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:30:36,527 INFO L791 eck$LassoCheckResult]: Stem: 897#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~string17.base, #t~string17.offset := #Ultimate.allocOnStack(13);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string23.base, #t~string23.offset, 1);call write~init~int(80, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(117, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(109, #t~string23.base, 3 + #t~string23.offset, 1);call write~init~int(112, #t~string23.base, 4 + #t~string23.offset, 1);call write~init~int(58, #t~string23.base, 5 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 6 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(110, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string29.base, #t~string29.offset, 1);call write~init~int(32, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string31.base, #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 1 + #t~string31.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.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(25);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(25);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(13);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string75.base, #t~string75.offset, 1);call write~init~int(77, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(101, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(116, #t~string75.base, 3 + #t~string75.offset, 1);call write~init~int(104, #t~string75.base, 4 + #t~string75.offset, 1);call write~init~int(58, #t~string75.base, 5 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 6 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string77.base, #t~string77.offset, 1);call write~init~int(82, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(73, #t~string77.base, 2 + #t~string77.offset, 1);call write~init~int(84, #t~string77.base, 3 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 4 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string79.base, #t~string79.offset, 1);call write~init~int(75, #t~string79.base, 1 + #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 2 + #t~string79.offset, 1);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string81.base, #t~string81.offset, 1);call write~init~int(0, #t~string81.base, 1 + #t~string81.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 814#L-1 havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 777#L493 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; 778#L501 main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 817#L140 assume 0 != main_~tmp~0; 834#L113 havoc test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 891#L514-1
[2021-10-28 23:30:36,528 INFO L793 eck$LassoCheckResult]: Loop: 891#L514-1 assume !false; 911#L166 assume test_~splverifierCounter~0 < 4; 910#L167 test_~tmp~1 := test_#t~nondet8;havoc test_#t~nondet8; 909#L175 assume !(0 != test_~tmp~1); 907#L175-1 test_~tmp___0~0 := test_#t~nondet9;havoc test_#t~nondet9; 906#L185 assume !(0 != test_~tmp___0~0); 904#L185-1 test_~tmp___2~0 := test_#t~nondet10;havoc test_#t~nondet10; 903#L195 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 851#L203-2 assume !(0 != ~pumpRunning~0); 852#L247 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret14, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 769#L331 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret13, processEnvironment__wrappee__lowWaterSensor_~tmp~3;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~3; 770#L305-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret12, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; 794#L279-3 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret32, isHighWaterLevel_~retValue_acc~3, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~3;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; 828#L982-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; 883#L987-3 isHighWaterLevel_#t~ret32 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret32;havoc isHighWaterLevel_#t~ret32; 884#L433-9 assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~1 := 0; 795#L433-11 isHighWaterLevel_~retValue_acc~3 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~3; 796#L439-3 processEnvironment__wrappee__highWaterSensor_#t~ret12 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret12;havoc processEnvironment__wrappee__highWaterSensor_#t~ret12; 819#L283-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2); 793#L254 havoc __utac_acc__Specification1_spec__1_#t~ret35, __utac_acc__Specification1_spec__1_#t~ret36, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 931#L942-1 __utac_acc__Specification1_spec__1_#t~ret35 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret35;havoc __utac_acc__Specification1_spec__1_#t~ret35; 929#L514 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 891#L514-1
[2021-10-28 23:30:36,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:30:36,535 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times
[2021-10-28 23:30:36,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:30:36,537 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334531047]
[2021-10-28 23:30:36,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:30:36,538 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:30:36,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:30:36,644 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:30:36,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:30:36,767 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:30:36,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:30:36,768 INFO L85 PathProgramCache]: Analyzing trace with hash -659266398, now seen corresponding path program 1 times
[2021-10-28 23:30:36,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:30:36,768 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746334976]
[2021-10-28 23:30:36,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:30:36,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:30:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:30:36,774 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:30:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:30:36,782 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:30:36,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:30:36,783 INFO L85 PathProgramCache]: Analyzing trace with hash 594038728, now seen corresponding path program 1 times
[2021-10-28 23:30:36,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:30:36,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350324548]
[2021-10-28 23:30:36,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:30:36,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:30:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:30:36,820 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:30:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:30:36,908 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:32:01,797 WARN L207 SmtUtils]: Spent 1.41 m on a formula simplification. DAG size of input: 491 DAG size of output: 433
[2021-10-28 23:33:29,542 WARN L207 SmtUtils]: Spent 40.95 s on a formula simplification that was a NOOP. DAG size: 433
[2021-10-28 23:33:29,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:33:29 BoogieIcfgContainer
[2021-10-28 23:33:29,748 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-10-28 23:33:29,749 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-28 23:33:29,749 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-10-28 23:33:29,749 INFO L275 PluginConnector]: Witness Printer initialized
[2021-10-28 23:33:29,750 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:30:34" (3/4) ...
[2021-10-28 23:33:29,753 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample
[2021-10-28 23:33:29,819 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c0622d-a34d-4b58-8fac-dda4d0ce635e/bin/uautomizer-GMMbpWq8iD/witness.graphml
[2021-10-28 23:33:29,820 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-28 23:33:29,821 INFO L168 Benchmark]: Toolchain (without parser) took 177579.63 ms. Allocated memory was 94.4 MB in the beginning and 167.8 MB in the end (delta: 73.4 MB). Free memory was 56.4 MB in the beginning and 85.6 MB in the end (delta: -29.2 MB). Peak memory consumption was 45.8 MB. Max. memory is 16.1 GB.
[2021-10-28 23:33:29,822 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 77.6 MB. Free memory was 40.9 MB in the beginning and 40.8 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 23:33:29,823 INFO L168 Benchmark]: CACSL2BoogieTranslator took 758.22 ms. Allocated memory is still 94.4 MB. Free memory was 56.2 MB in the beginning and 66.8 MB in the end (delta: -10.5 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB.
[2021-10-28 23:33:29,823 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.76 ms. Allocated memory is still 94.4 MB. Free memory was 66.8 MB in the beginning and 62.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-28 23:33:29,824 INFO L168 Benchmark]: Boogie Preprocessor took 94.58 ms. Allocated memory is still 94.4 MB. Free memory was 62.2 MB in the beginning and 58.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-28 23:33:29,825 INFO L168 Benchmark]: RCFGBuilder took 1573.66 ms. Allocated memory is still 94.4 MB. Free memory was 58.9 MB in the beginning and 46.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB.
[2021-10-28 23:33:29,825 INFO L168 Benchmark]: BuchiAutomizer took 174946.79 ms. Allocated memory was 94.4 MB in the beginning and 167.8 MB in the end (delta: 73.4 MB). Free memory was 46.5 MB in the beginning and 87.6 MB in the end (delta: -41.2 MB). Peak memory consumption was 85.7 MB. Max. memory is 16.1 GB.
[2021-10-28 23:33:29,826 INFO L168 Benchmark]: Witness Printer took 71.12 ms. Allocated memory is still 167.8 MB. Free memory was 87.6 MB in the beginning and 85.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 23:33:29,830 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.46 ms. Allocated memory is still 77.6 MB. Free memory was 40.9 MB in the beginning and 40.8 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 758.22 ms. Allocated memory is still 94.4 MB. Free memory was 56.2 MB in the beginning and 66.8 MB in the end (delta: -10.5 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB.
* Boogie Procedure Inliner took 121.76 ms. Allocated memory is still 94.4 MB. Free memory was 66.8 MB in the beginning and 62.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
* Boogie Preprocessor took 94.58 ms. Allocated memory is still 94.4 MB. Free memory was 62.2 MB in the beginning and 58.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
* RCFGBuilder took 1573.66 ms. Allocated memory is still 94.4 MB. Free memory was 58.9 MB in the beginning and 46.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB.
* BuchiAutomizer took 174946.79 ms. Allocated memory was 94.4 MB in the beginning and 167.8 MB in the end (delta: 73.4 MB). Free memory was 46.5 MB in the beginning and 87.6 MB in the end (delta: -41.2 MB). Peak memory consumption was 85.7 MB. Max. memory is 16.1 GB.
* Witness Printer took 71.12 ms. Allocated memory is still 167.8 MB. Free memory was 87.6 MB in the beginning and 85.6 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 3 locations. The remainder module has 184 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 174.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 174.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 184 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 475 SDtfs, 404 SDslu, 75 SDs, 0 SdLazy, 45 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s
- TerminationAnalysisResult: Nontermination possible
Buchi Automizer proved that your program is nonterminating for some inputs
- FixpointNonTerminationResult [Line: 165]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite execution
State at position 0 is
{NULL=23851}
State at position 1 is
{NULL=0, NULL=0, NULL=23855, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@343263bd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@24c6993a=0, NULL=23851, NULL=0, NULL=23868, NULL=0, NULL=23859, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2c5b5ad7=0, retValue_acc=0, NULL=0, NULL=23858, NULL=0, tmp___1=0, NULL=23872, NULL=23866, NULL=0, cleanupTimeShifts=4, tmp=0, retValue_acc=0, NULL=23877, NULL=0, NULL=0, waterLevel=1, NULL=23863, tmp___0=0, NULL=23867, \result=1, head=0, pumpRunning=0, tmp=1, NULL=23862, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25bd2349=0, \result=1, NULL=0, NULL=0, NULL=23873, NULL=0, NULL=0, tmp=1, NULL=23879, NULL=23869, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1bb36bd3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5159ff35=0, head=0, tmp=0, NULL=23870, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@199e122c=0, NULL=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39744b60=72, NULL=23854, tmp___0=0, NULL=0, NULL=0, NULL=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@660bd61d=0, NULL=0, NULL=23857, NULL=23860, tmp___0=0, tmp=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, NULL=23856, \result=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=23880, \result=0, NULL=23852, NULL=0, NULL=23865, NULL=0, retValue_acc=1, NULL=23861, NULL=23864, NULL=23878, retValue_acc=1, tmp___2=72, splverifierCounter=0, NULL=0, NULL=0, \result=0, NULL=23871, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@606aefe7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@55ccf0af=0, NULL=23874, NULL=23853, NULL=23875}
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 1]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L50] int cleanupTimeShifts = 4;
[L239] int pumpRunning = 0;
[L240] int systemActive = 1;
[L701] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L899] int waterLevel = 1;
[L900] int methaneLevelCritical = 0;
[L131] int retValue_acc ;
[L132] int tmp ;
[L497] int retValue_acc ;
[L500] retValue_acc = 1
[L501] return (retValue_acc);
[L138] tmp = valid_product()
[L140] COND TRUE \read(tmp)
[L156] int splverifierCounter ;
[L157] int tmp ;
[L158] int tmp___0 ;
[L159] int tmp___1 ;
[L160] int tmp___2 ;
[L163] splverifierCounter = 0
Loop:
[L165] COND TRUE 1
[L167] COND TRUE splverifierCounter < 4
[L173] tmp = __VERIFIER_nondet_int()
[L175] COND FALSE !(\read(tmp))
[L183] tmp___0 = __VERIFIER_nondet_int()
[L185] COND FALSE !(\read(tmp___0))
[L193] tmp___2 = __VERIFIER_nondet_int()
[L195] COND TRUE \read(tmp___2)
[L466] systemActive = 1
[L247] COND FALSE !(\read(pumpRunning))
[L254] COND TRUE \read(systemActive)
[L328] int tmp ;
[L331] COND FALSE !(\read(pumpRunning))
[L302] int tmp ;
[L305] COND FALSE !(\read(pumpRunning))
[L276] int tmp ;
[L279] COND TRUE ! pumpRunning
[L425] int retValue_acc ;
[L426] int tmp ;
[L427] int tmp___0 ;
[L979] int retValue_acc ;
[L982] COND TRUE waterLevel < 2
[L983] retValue_acc = 1
[L984] return (retValue_acc);
[L431] tmp = isHighWaterSensorDry()
[L433] COND TRUE \read(tmp)
[L434] tmp___0 = 0
[L438] retValue_acc = tmp___0
[L439] return (retValue_acc);
[L281] tmp = isHighWaterLevel()
[L283] COND FALSE !(\read(tmp))
[L507] int tmp ;
[L508] int tmp___0 ;
[L938] int retValue_acc ;
[L941] retValue_acc = methaneLevelCritical
[L942] return (retValue_acc);
[L512] tmp = isMethaneLevelCritical()
[L514] COND FALSE !(\read(tmp))
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2021-10-28 23:33:29,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c0622d-a34d-4b58-8fac-dda4d0ce635e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...