./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product32.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_0a59d758-9188-4b09-b18b-5edb2c2b0ab2/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a59d758-9188-4b09-b18b-5edb2c2b0ab2/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_0a59d758-9188-4b09-b18b-5edb2c2b0ab2/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a59d758-9188-4b09-b18b-5edb2c2b0ab2/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a59d758-9188-4b09-b18b-5edb2c2b0ab2/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_0a59d758-9188-4b09-b18b-5edb2c2b0ab2/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 cbe5945de1191725858dff519e245e0ce7f71deac0a58ccc85d416ae53ad1824
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(TERM)
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-b2eff8b
[2021-10-28 22:49:25,558 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-28 22:49:25,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-28 22:49:25,605 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-28 22:49:25,606 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-28 22:49:25,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-28 22:49:25,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-28 22:49:25,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-28 22:49:25,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-28 22:49:25,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-28 22:49:25,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-28 22:49:25,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-28 22:49:25,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-28 22:49:25,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-28 22:49:25,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-28 22:49:25,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-28 22:49:25,644 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-28 22:49:25,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-28 22:49:25,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-28 22:49:25,652 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-28 22:49:25,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-28 22:49:25,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-28 22:49:25,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-28 22:49:25,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-28 22:49:25,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-28 22:49:25,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-28 22:49:25,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-28 22:49:25,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-28 22:49:25,675 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-28 22:49:25,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-28 22:49:25,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-28 22:49:25,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-28 22:49:25,681 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-28 22:49:25,682 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-28 22:49:25,683 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-28 22:49:25,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-28 22:49:25,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-28 22:49:25,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-28 22:49:25,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-28 22:49:25,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-28 22:49:25,686 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-28 22:49:25,687 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a59d758-9188-4b09-b18b-5edb2c2b0ab2/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf
[2021-10-28 22:49:25,734 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-28 22:49:25,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-28 22:49:25,735 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-28 22:49:25,735 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-28 22:49:25,736 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-28 22:49:25,736 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-28 22:49:25,736 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-28 22:49:25,737 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-10-28 22:49:25,737 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2021-10-28 22:49:25,737 INFO L138 SettingsManager]: * Use old map elimination=false
[2021-10-28 22:49:25,737 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2021-10-28 22:49:25,737 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2021-10-28 22:49:25,738 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2021-10-28 22:49:25,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-28 22:49:25,738 INFO L138 SettingsManager]: * sizeof long=4
[2021-10-28 22:49:25,738 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-10-28 22:49:25,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-28 22:49:25,738 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-10-28 22:49:25,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-28 22:49:25,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2021-10-28 22:49:25,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-10-28 22:49:25,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2021-10-28 22:49:25,739 INFO L138 SettingsManager]: * sizeof long double=12
[2021-10-28 22:49:25,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-10-28 22:49:25,740 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2021-10-28 22:49:25,740 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-28 22:49:25,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2021-10-28 22:49:25,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-28 22:49:25,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-28 22:49:25,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-28 22:49:25,741 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-10-28 22:49:25,741 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-28 22:49:25,742 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-10-28 22:49:25,742 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_0a59d758-9188-4b09-b18b-5edb2c2b0ab2/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a59d758-9188-4b09-b18b-5edb2c2b0ab2/bin/uautomizer-GMMbpWq8iD
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbe5945de1191725858dff519e245e0ce7f71deac0a58ccc85d416ae53ad1824
[2021-10-28 22:49:26,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-28 22:49:26,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-28 22:49:26,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-28 22:49:26,073 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-28 22:49:26,074 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-28 22:49:26,075 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a59d758-9188-4b09-b18b-5edb2c2b0ab2/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c
[2021-10-28 22:49:26,146 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a59d758-9188-4b09-b18b-5edb2c2b0ab2/bin/uautomizer-GMMbpWq8iD/data/8d3be5d3d/a3b954ddaf9444ad91c7fcc79b7d1e90/FLAG7b7085e3a
[2021-10-28 22:49:26,681 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-28 22:49:26,681 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a59d758-9188-4b09-b18b-5edb2c2b0ab2/sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c
[2021-10-28 22:49:26,693 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a59d758-9188-4b09-b18b-5edb2c2b0ab2/bin/uautomizer-GMMbpWq8iD/data/8d3be5d3d/a3b954ddaf9444ad91c7fcc79b7d1e90/FLAG7b7085e3a
[2021-10-28 22:49:26,980 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a59d758-9188-4b09-b18b-5edb2c2b0ab2/bin/uautomizer-GMMbpWq8iD/data/8d3be5d3d/a3b954ddaf9444ad91c7fcc79b7d1e90
[2021-10-28 22:49:26,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-28 22:49:26,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-28 22:49:26,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-28 22:49:26,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-28 22:49:26,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-28 22:49:26,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:49:26" (1/1) ...
[2021-10-28 22:49:26,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23653010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:26, skipping insertion in model container
[2021-10-28 22:49:26,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:49:26" (1/1) ...
[2021-10-28 22:49:27,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-28 22:49:27,070 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-28 22:49:27,334 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_0a59d758-9188-4b09-b18b-5edb2c2b0ab2/sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c[15274,15287]
[2021-10-28 22:49:27,353 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 22:49:27,363 INFO L203 MainTranslator]: Completed pre-run
[2021-10-28 22:49:27,424 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_0a59d758-9188-4b09-b18b-5edb2c2b0ab2/sv-benchmarks/c/product-lines/minepump_spec3_product32.cil.c[15274,15287]
[2021-10-28 22:49:27,436 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 22:49:27,456 INFO L208 MainTranslator]: Completed translation
[2021-10-28 22:49:27,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:27 WrapperNode
[2021-10-28 22:49:27,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-28 22:49:27,458 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-28 22:49:27,458 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-28 22:49:27,458 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-28 22:49:27,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:27" (1/1) ...
[2021-10-28 22:49:27,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:27" (1/1) ...
[2021-10-28 22:49:27,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-28 22:49:27,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-28 22:49:27,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-28 22:49:27,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-10-28 22:49:27,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:27" (1/1) ...
[2021-10-28 22:49:27,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:27" (1/1) ...
[2021-10-28 22:49:27,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:27" (1/1) ...
[2021-10-28 22:49:27,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:27" (1/1) ...
[2021-10-28 22:49:27,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:27" (1/1) ...
[2021-10-28 22:49:27,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:27" (1/1) ...
[2021-10-28 22:49:27,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:27" (1/1) ...
[2021-10-28 22:49:27,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-28 22:49:27,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-28 22:49:27,635 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-10-28 22:49:27,636 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-10-28 22:49:27,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:27" (1/1) ...
[2021-10-28 22:49:27,646 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 22:49:27,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a59d758-9188-4b09-b18b-5edb2c2b0ab2/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 22:49:27,672 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a59d758-9188-4b09-b18b-5edb2c2b0ab2/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 22:49:27,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a59d758-9188-4b09-b18b-5edb2c2b0ab2/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2021-10-28 22:49:27,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-28 22:49:27,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-28 22:49:27,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-28 22:49:27,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-28 22:49:28,797 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-28 22:49:28,798 INFO L299 CfgBuilder]: Removed 168 assume(true) statements.
[2021-10-28 22:49:28,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:49:28 BoogieIcfgContainer
[2021-10-28 22:49:28,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-28 22:49:28,802 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-10-28 22:49:28,802 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2021-10-28 22:49:28,805 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2021-10-28 22:49:28,806 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 22:49:28,806 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 10:49:26" (1/3) ...
[2021-10-28 22:49:28,808 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38f9df4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:49:28, skipping insertion in model container
[2021-10-28 22:49:28,808 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 22:49:28,808 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:27" (2/3) ...
[2021-10-28 22:49:28,808 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38f9df4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:49:28, skipping insertion in model container
[2021-10-28 22:49:28,809 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 22:49:28,809 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:49:28" (3/3) ...
[2021-10-28 22:49:28,810 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product32.cil.c
[2021-10-28 22:49:28,871 INFO L359 BuchiCegarLoop]: Interprodecural is true
[2021-10-28 22:49:28,871 INFO L360 BuchiCegarLoop]: Hoare is false
[2021-10-28 22:49:28,872 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-10-28 22:49:28,872 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-28 22:49:28,872 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-28 22:49:28,872 INFO L364 BuchiCegarLoop]: Difference is false
[2021-10-28 22:49:28,872 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-28 22:49:28,872 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-10-28 22:49:28,897 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.5137614678899083) internal successors, (165), 109 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 22:49:28,933 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71
[2021-10-28 22:49:28,933 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 22:49:28,933 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 22:49:28,941 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2021-10-28 22:49:28,941 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:49:28,942 INFO L425 BuchiCegarLoop]: ======== Iteration 1============
[2021-10-28 22:49:28,942 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.5137614678899083) internal successors, (165), 109 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 22:49:28,952 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71
[2021-10-28 22:49:28,954 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 22:49:28,954 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 22:49:28,954 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2021-10-28 22:49:28,954 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:49:28,959 INFO L791 eck$LassoCheckResult]: Stem: 101#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(13);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(110, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string57.base, #t~string57.offset, 1);call write~init~int(80, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(117, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(109, #t~string57.base, 3 + #t~string57.offset, 1);call write~init~int(112, #t~string57.base, 4 + #t~string57.offset, 1);call write~init~int(58, #t~string57.base, 5 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 6 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string63.base, #t~string63.offset, 1);call write~init~int(32, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string65.base, #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 1 + #t~string65.offset, 1);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);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 45#L-1true havoc main_#res;havoc main_#t~ret67, main_~retValue_acc~6, main_~tmp~8;havoc main_~retValue_acc~6;havoc main_~tmp~8; 39#L883true havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 72#L891true main_#t~ret67 := valid_product_#res;main_~tmp~8 := main_#t~ret67;havoc main_#t~ret67; 77#L812true assume 0 != main_~tmp~8; 16#L786true havoc test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_#t~nondet45, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 57#L842-1true
[2021-10-28 22:49:28,960 INFO L793 eck$LassoCheckResult]: Loop: 57#L842-1true assume !false; 68#L433true assume test_~splverifierCounter~0 < 4; 18#L434true test_~tmp~3 := test_#t~nondet42;havoc test_#t~nondet42; 27#L442true assume !(0 != test_~tmp~3); 44#L442-1true test_~tmp___0~0 := test_#t~nondet43;havoc test_#t~nondet43; 74#L452true assume !(0 != test_~tmp___0~0); 37#L452-1true test_~tmp___2~0 := test_#t~nondet44;havoc test_#t~nondet44; 83#L462true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 73#L470-1true assume !(0 != ~pumpRunning~0); 23#L507true assume !(0 != ~systemActive~0); 81#L514true havoc __utac_acc__Specification3_spec__1_#t~ret68, __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_~tmp~9, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~9;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 21#L939-1true __utac_acc__Specification3_spec__1_#t~ret68 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~9 := __utac_acc__Specification3_spec__1_#t~ret68;havoc __utac_acc__Specification3_spec__1_#t~ret68; 13#L836true assume 0 != __utac_acc__Specification3_spec__1_~tmp~9; 57#L842-1true
[2021-10-28 22:49:28,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:49:28,965 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times
[2021-10-28 22:49:28,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:49:28,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691021616]
[2021-10-28 22:49:28,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:49:28,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:49:29,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:49:29,274 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 22:49:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:49:29,432 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 22:49:29,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:49:29,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1670755457, now seen corresponding path program 1 times
[2021-10-28 22:49:29,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:49:29,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804047791]
[2021-10-28 22:49:29,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:49:29,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:49:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:49:29,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 22:49:29,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:49:29,498 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804047791]
[2021-10-28 22:49:29,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804047791] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:49:29,499 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:49:29,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 22:49:29,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313961239]
[2021-10-28 22:49:29,504 INFO L808 eck$LassoCheckResult]: loop already infeasible
[2021-10-28 22:49:29,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:49:29,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 22:49:29,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:49:29,522 INFO L87 Difference]: Start difference. First operand has 110 states, 109 states have (on average 1.5137614678899083) internal successors, (165), 109 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 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 22:49:29,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:49:29,612 INFO L93 Difference]: Finished difference Result 214 states and 306 transitions.
[2021-10-28 22:49:29,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 22:49:29,614 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 214 states and 306 transitions.
[2021-10-28 22:49:29,621 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 138
[2021-10-28 22:49:29,627 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 214 states to 200 states and 291 transitions.
[2021-10-28 22:49:29,628 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 200
[2021-10-28 22:49:29,630 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 200
[2021-10-28 22:49:29,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 200 states and 291 transitions.
[2021-10-28 22:49:29,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 22:49:29,632 INFO L681 BuchiCegarLoop]: Abstraction has 200 states and 291 transitions.
[2021-10-28 22:49:29,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states and 291 transitions.
[2021-10-28 22:49:29,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 198.
[2021-10-28 22:49:29,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 198 states have (on average 1.4545454545454546) internal successors, (288), 197 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:49:29,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 288 transitions.
[2021-10-28 22:49:29,674 INFO L704 BuchiCegarLoop]: Abstraction has 198 states and 288 transitions.
[2021-10-28 22:49:29,674 INFO L587 BuchiCegarLoop]: Abstraction has 198 states and 288 transitions.
[2021-10-28 22:49:29,674 INFO L425 BuchiCegarLoop]: ======== Iteration 2============
[2021-10-28 22:49:29,674 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 198 states and 288 transitions.
[2021-10-28 22:49:29,678 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 136
[2021-10-28 22:49:29,678 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 22:49:29,678 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 22:49:29,679 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2021-10-28 22:49:29,679 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:49:29,679 INFO L791 eck$LassoCheckResult]: Stem: 440#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(13);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(110, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string57.base, #t~string57.offset, 1);call write~init~int(80, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(117, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(109, #t~string57.base, 3 + #t~string57.offset, 1);call write~init~int(112, #t~string57.base, 4 + #t~string57.offset, 1);call write~init~int(58, #t~string57.base, 5 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 6 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string63.base, #t~string63.offset, 1);call write~init~int(32, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string65.base, #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 1 + #t~string65.offset, 1);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);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 402#L-1 havoc main_#res;havoc main_#t~ret67, main_~retValue_acc~6, main_~tmp~8;havoc main_~retValue_acc~6;havoc main_~tmp~8; 396#L883 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 397#L891 main_#t~ret67 := valid_product_#res;main_~tmp~8 := main_#t~ret67;havoc main_#t~ret67; 425#L812 assume 0 != main_~tmp~8; 359#L786 havoc test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_#t~nondet45, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 355#L842-1
[2021-10-28 22:49:29,680 INFO L793 eck$LassoCheckResult]: Loop: 355#L842-1 assume !false; 414#L433 assume test_~splverifierCounter~0 < 4; 362#L434 test_~tmp~3 := test_#t~nondet42;havoc test_#t~nondet42; 363#L442 assume !(0 != test_~tmp~3); 378#L442-1 test_~tmp___0~0 := test_#t~nondet43;havoc test_#t~nondet43; 401#L452 assume !(0 != test_~tmp___0~0); 391#L452-1 test_~tmp___2~0 := test_#t~nondet44;havoc test_#t~nondet44; 392#L462 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 426#L470-1 assume !(0 != ~pumpRunning~0); 372#L507 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret47, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 373#L565 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret46, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; 461#L539-1 assume !(0 != ~pumpRunning~0); 430#L514 havoc __utac_acc__Specification3_spec__1_#t~ret68, __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_~tmp~9, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~9;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 368#L939-1 __utac_acc__Specification3_spec__1_#t~ret68 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~9 := __utac_acc__Specification3_spec__1_#t~ret68;havoc __utac_acc__Specification3_spec__1_#t~ret68; 353#L836 assume 0 != __utac_acc__Specification3_spec__1_~tmp~9; 355#L842-1
[2021-10-28 22:49:29,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:49:29,681 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times
[2021-10-28 22:49:29,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:49:29,681 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751353715]
[2021-10-28 22:49:29,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:49:29,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:49:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:49:29,734 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 22:49:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:49:29,808 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 22:49:29,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:49:29,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1427585839, now seen corresponding path program 1 times
[2021-10-28 22:49:29,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:49:29,810 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585593303]
[2021-10-28 22:49:29,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:49:29,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:49:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:49:29,821 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 22:49:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:49:29,837 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 22:49:29,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:49:29,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1021999211, now seen corresponding path program 1 times
[2021-10-28 22:49:29,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:49:29,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665725886]
[2021-10-28 22:49:29,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:49:29,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:49:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:49:29,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 22:49:29,953 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:49:29,953 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665725886]
[2021-10-28 22:49:29,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665725886] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:49:29,954 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:49:29,954 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 22:49:29,954 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601070759]
[2021-10-28 22:49:30,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:49:30,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-28 22:49:30,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-10-28 22:49:30,090 INFO L87 Difference]: Start difference. First operand 198 states and 288 transitions. cyclomatic complexity: 93 Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:49:30,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:49:30,265 INFO L93 Difference]: Finished difference Result 686 states and 1012 transitions.
[2021-10-28 22:49:30,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2021-10-28 22:49:30,266 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 686 states and 1012 transitions.
[2021-10-28 22:49:30,280 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 494
[2021-10-28 22:49:30,292 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 686 states to 686 states and 1012 transitions.
[2021-10-28 22:49:30,292 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 686
[2021-10-28 22:49:30,295 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 686
[2021-10-28 22:49:30,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 686 states and 1012 transitions.
[2021-10-28 22:49:30,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 22:49:30,303 INFO L681 BuchiCegarLoop]: Abstraction has 686 states and 1012 transitions.
[2021-10-28 22:49:30,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states and 1012 transitions.
[2021-10-28 22:49:30,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 390.
[2021-10-28 22:49:30,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 390 states have (on average 1.441025641025641) internal successors, (562), 389 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 22:49:30,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 562 transitions.
[2021-10-28 22:49:30,348 INFO L704 BuchiCegarLoop]: Abstraction has 390 states and 562 transitions.
[2021-10-28 22:49:30,349 INFO L587 BuchiCegarLoop]: Abstraction has 390 states and 562 transitions.
[2021-10-28 22:49:30,349 INFO L425 BuchiCegarLoop]: ======== Iteration 3============
[2021-10-28 22:49:30,349 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 390 states and 562 transitions.
[2021-10-28 22:49:30,352 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 272
[2021-10-28 22:49:30,352 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 22:49:30,353 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 22:49:30,354 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2021-10-28 22:49:30,355 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:49:30,355 INFO L791 eck$LassoCheckResult]: Stem: 1373#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(13);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(110, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string57.base, #t~string57.offset, 1);call write~init~int(80, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(117, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(109, #t~string57.base, 3 + #t~string57.offset, 1);call write~init~int(112, #t~string57.base, 4 + #t~string57.offset, 1);call write~init~int(58, #t~string57.base, 5 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 6 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string63.base, #t~string63.offset, 1);call write~init~int(32, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string65.base, #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 1 + #t~string65.offset, 1);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);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1313#L-1 havoc main_#res;havoc main_#t~ret67, main_~retValue_acc~6, main_~tmp~8;havoc main_~retValue_acc~6;havoc main_~tmp~8; 1304#L883 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 1305#L891 main_#t~ret67 := valid_product_#res;main_~tmp~8 := main_#t~ret67;havoc main_#t~ret67; 1347#L812 assume 0 != main_~tmp~8; 1263#L786 havoc test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_#t~nondet45, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1264#L842-1
[2021-10-28 22:49:30,356 INFO L793 eck$LassoCheckResult]: Loop: 1264#L842-1 assume !false; 1432#L433 assume test_~splverifierCounter~0 < 4; 1265#L434 test_~tmp~3 := test_#t~nondet42;havoc test_#t~nondet42; 1266#L442 assume !(0 != test_~tmp~3); 1284#L442-1 test_~tmp___0~0 := test_#t~nondet43;havoc test_#t~nondet43; 1312#L452 assume !(0 != test_~tmp___0~0); 1302#L452-1 test_~tmp___2~0 := test_#t~nondet44;havoc test_#t~nondet44; 1303#L462 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 1348#L470-1 assume !(0 != ~pumpRunning~0); 1277#L507 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret47, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 1269#L565 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret46, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; 1271#L539-1 assume !(0 != ~pumpRunning~0); 1300#L514 havoc __utac_acc__Specification3_spec__1_#t~ret68, __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_~tmp~9, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~9;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 1353#L939-1 __utac_acc__Specification3_spec__1_#t~ret68 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~9 := __utac_acc__Specification3_spec__1_#t~ret68;havoc __utac_acc__Specification3_spec__1_#t~ret68; 1255#L836 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~9);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 1256#L971 __utac_acc__Specification3_spec__1_#t~ret69 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; 1442#L842 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2); 1264#L842-1
[2021-10-28 22:49:30,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:49:30,357 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times
[2021-10-28 22:49:30,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:49:30,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525101089]
[2021-10-28 22:49:30,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:49:30,358 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:49:30,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:49:30,434 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 22:49:30,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:49:30,518 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 22:49:30,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:49:30,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1815416189, now seen corresponding path program 1 times
[2021-10-28 22:49:30,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:49:30,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855806992]
[2021-10-28 22:49:30,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:49:30,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:49:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:49:30,538 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 22:49:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:49:30,554 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 22:49:30,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:49:30,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1406261347, now seen corresponding path program 1 times
[2021-10-28 22:49:30,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:49:30,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151391523]
[2021-10-28 22:49:30,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:49:30,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:49:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:49:30,600 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 22:49:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:49:30,654 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 22:50:28,552 WARN L207 SmtUtils]: Spent 57.70 s on a formula simplification. DAG size of input: 491 DAG size of output: 433
[2021-10-28 22:51:36,595 WARN L207 SmtUtils]: Spent 31.02 s on a formula simplification that was a NOOP. DAG size: 433
[2021-10-28 22:51:36,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 10:51:36 BoogieIcfgContainer
[2021-10-28 22:51:36,695 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-10-28 22:51:36,695 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-28 22:51:36,696 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-10-28 22:51:36,696 INFO L275 PluginConnector]: Witness Printer initialized
[2021-10-28 22:51:36,696 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:49:28" (3/4) ...
[2021-10-28 22:51:36,701 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample
[2021-10-28 22:51:36,761 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a59d758-9188-4b09-b18b-5edb2c2b0ab2/bin/uautomizer-GMMbpWq8iD/witness.graphml
[2021-10-28 22:51:36,761 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-28 22:51:36,762 INFO L168 Benchmark]: Toolchain (without parser) took 129778.00 ms. Allocated memory was 77.6 MB in the beginning and 132.1 MB in the end (delta: 54.5 MB). Free memory was 41.0 MB in the beginning and 79.3 MB in the end (delta: -38.3 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB.
[2021-10-28 22:51:36,763 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 77.6 MB. Free memory was 58.0 MB in the beginning and 58.0 MB in the end (delta: 15.3 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 22:51:36,764 INFO L168 Benchmark]: CACSL2BoogieTranslator took 471.42 ms. Allocated memory was 77.6 MB in the beginning and 102.8 MB in the end (delta: 25.2 MB). Free memory was 40.8 MB in the beginning and 72.2 MB in the end (delta: -31.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB.
[2021-10-28 22:51:36,764 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.86 ms. Allocated memory is still 102.8 MB. Free memory was 72.2 MB in the beginning and 68.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 22:51:36,765 INFO L168 Benchmark]: Boogie Preprocessor took 79.12 ms. Allocated memory is still 102.8 MB. Free memory was 68.7 MB in the beginning and 65.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-28 22:51:36,765 INFO L168 Benchmark]: RCFGBuilder took 1165.96 ms. Allocated memory is still 102.8 MB. Free memory was 65.7 MB in the beginning and 69.8 MB in the end (delta: -4.1 MB). Peak memory consumption was 39.3 MB. Max. memory is 16.1 GB.
[2021-10-28 22:51:36,766 INFO L168 Benchmark]: BuchiAutomizer took 127893.38 ms. Allocated memory was 102.8 MB in the beginning and 132.1 MB in the end (delta: 29.4 MB). Free memory was 69.8 MB in the beginning and 82.5 MB in the end (delta: -12.6 MB). Peak memory consumption was 71.8 MB. Max. memory is 16.1 GB.
[2021-10-28 22:51:36,773 INFO L168 Benchmark]: Witness Printer took 65.96 ms. Allocated memory is still 132.1 MB. Free memory was 82.5 MB in the beginning and 79.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-28 22:51:36,777 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.22 ms. Allocated memory is still 77.6 MB. Free memory was 58.0 MB in the beginning and 58.0 MB in the end (delta: 15.3 kB). There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 471.42 ms. Allocated memory was 77.6 MB in the beginning and 102.8 MB in the end (delta: 25.2 MB). Free memory was 40.8 MB in the beginning and 72.2 MB in the end (delta: -31.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB.
* Boogie Procedure Inliner took 95.86 ms. Allocated memory is still 102.8 MB. Free memory was 72.2 MB in the beginning and 68.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* Boogie Preprocessor took 79.12 ms. Allocated memory is still 102.8 MB. Free memory was 68.7 MB in the beginning and 65.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
* RCFGBuilder took 1165.96 ms. Allocated memory is still 102.8 MB. Free memory was 65.7 MB in the beginning and 69.8 MB in the end (delta: -4.1 MB). Peak memory consumption was 39.3 MB. Max. memory is 16.1 GB.
* BuchiAutomizer took 127893.38 ms. Allocated memory was 102.8 MB in the beginning and 132.1 MB in the end (delta: 29.4 MB). Free memory was 69.8 MB in the beginning and 82.5 MB in the end (delta: -12.6 MB). Peak memory consumption was 71.8 MB. Max. memory is 16.1 GB.
* Witness Printer took 65.96 ms. Allocated memory is still 132.1 MB. Free memory was 82.5 MB in the beginning and 79.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 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 5 locations. The remainder module has 390 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 127.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 127.2s. 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, 298 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 390 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 368 SDtfs, 719 SDslu, 781 SDs, 0 SdLazy, 89 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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: 432]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite execution
State at position 0 is
{NULL=22987}
State at position 1 is
{NULL=0, NULL=23005, NULL=0, retValue_acc=1, NULL=22987, retValue_acc=0, NULL=0, NULL=23009, NULL=23001, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@645b2c87=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@19512d8e=69, NULL=22995, NULL=0, methaneLevelCritical=0, NULL=22998, tmp=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6620d5bc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@226a8942=0, tmp___1=0, NULL=22989, NULL=0, NULL=0, NULL=23003, NULL=22997, NULL=22999, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60b710e5=0, cleanupTimeShifts=4, NULL=22988, NULL=23010, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@542c234e=0, tmp=0, NULL=23002, tmp___0=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@df91828=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a2eaf08=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@152ddd31=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=23015, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6dfa88b6=0, \result=1, head=0, pumpRunning=0, NULL=23008, \result=0, NULL=0, NULL=0, tmp=1, NULL=0, NULL=0, NULL=22991, NULL=23007, NULL=0, retValue_acc=1, NULL=0, NULL=23011, NULL=22992, NULL=0, NULL=23013, tmp___2=69, NULL=0, NULL=22990, NULL=23012, splverifierCounter=0, NULL=0, NULL=0, \result=0, NULL=22996, NULL=23004, NULL=23006, NULL=22994, tmp___1=0, head=0, NULL=0, NULL=0, tmp=0, NULL=23014, NULL=0, NULL=0, NULL=22993, NULL=23000, tmp=0}
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 1]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L499] int pumpRunning = 0;
[L500] int systemActive = 1;
[L727] int cleanupTimeShifts = 4;
[L896] int waterLevel = 1;
[L897] int methaneLevelCritical = 0;
[L803] int retValue_acc ;
[L804] int tmp ;
[L887] int retValue_acc ;
[L890] retValue_acc = 1
[L891] return (retValue_acc);
[L810] tmp = valid_product()
[L812] COND TRUE \read(tmp)
[L423] int splverifierCounter ;
[L424] int tmp ;
[L425] int tmp___0 ;
[L426] int tmp___1 ;
[L427] int tmp___2 ;
[L430] splverifierCounter = 0
Loop:
[L432] COND TRUE 1
[L434] COND TRUE splverifierCounter < 4
[L440] tmp = __VERIFIER_nondet_int()
[L442] COND FALSE !(\read(tmp))
[L450] tmp___0 = __VERIFIER_nondet_int()
[L452] COND FALSE !(\read(tmp___0))
[L460] tmp___2 = __VERIFIER_nondet_int()
[L462] COND TRUE \read(tmp___2)
[L713] systemActive = 1
[L507] COND FALSE !(\read(pumpRunning))
[L514] COND TRUE \read(systemActive)
[L562] int tmp ;
[L565] COND FALSE !(\read(pumpRunning))
[L536] int tmp ;
[L539] COND FALSE !(\read(pumpRunning))
[L828] int tmp ;
[L829] int tmp___0 ;
[L830] int tmp___1 ;
[L935] int retValue_acc ;
[L938] retValue_acc = methaneLevelCritical
[L939] return (retValue_acc);
[L834] tmp = isMethaneLevelCritical()
[L836] COND FALSE !(\read(tmp))
[L967] int retValue_acc ;
[L970] retValue_acc = waterLevel
[L971] return (retValue_acc);
[L840] tmp___0 = getWaterLevel()
[L842] COND FALSE !(tmp___0 == 2)
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2021-10-28 22:51:36,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a59d758-9188-4b09-b18b-5edb2c2b0ab2/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...