./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product57.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_00982624-e53d-4a6f-84c7-1038473a5302/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00982624-e53d-4a6f-84c7-1038473a5302/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_00982624-e53d-4a6f-84c7-1038473a5302/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00982624-e53d-4a6f-84c7-1038473a5302/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00982624-e53d-4a6f-84c7-1038473a5302/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_00982624-e53d-4a6f-84c7-1038473a5302/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 d0f26fc8ab0bdaf05de905c05e583bc491c727ef99c3d3df87bba160b541b55a
..............................................................................................................................................................................................................................................................................................................................................................................................................................................................
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 23:43:16,459 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-28 23:43:16,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-28 23:43:16,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-28 23:43:16,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-28 23:43:16,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-28 23:43:16,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-28 23:43:16,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-28 23:43:16,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-28 23:43:16,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-28 23:43:16,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-28 23:43:16,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-28 23:43:16,545 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-28 23:43:16,546 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-28 23:43:16,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-28 23:43:16,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-28 23:43:16,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-28 23:43:16,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-28 23:43:16,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-28 23:43:16,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-28 23:43:16,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-28 23:43:16,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-28 23:43:16,590 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-28 23:43:16,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-28 23:43:16,596 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-28 23:43:16,596 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-28 23:43:16,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-28 23:43:16,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-28 23:43:16,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-28 23:43:16,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-28 23:43:16,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-28 23:43:16,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-28 23:43:16,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-28 23:43:16,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-28 23:43:16,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-28 23:43:16,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-28 23:43:16,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-28 23:43:16,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-28 23:43:16,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-28 23:43:16,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-28 23:43:16,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-28 23:43:16,612 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00982624-e53d-4a6f-84c7-1038473a5302/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf
[2021-10-28 23:43:16,660 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-28 23:43:16,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-28 23:43:16,668 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-28 23:43:16,669 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-28 23:43:16,670 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-28 23:43:16,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-28 23:43:16,671 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-28 23:43:16,672 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-10-28 23:43:16,672 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2021-10-28 23:43:16,672 INFO L138 SettingsManager]: * Use old map elimination=false
[2021-10-28 23:43:16,674 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2021-10-28 23:43:16,674 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2021-10-28 23:43:16,674 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2021-10-28 23:43:16,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-28 23:43:16,675 INFO L138 SettingsManager]: * sizeof long=4
[2021-10-28 23:43:16,675 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-10-28 23:43:16,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-28 23:43:16,676 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-10-28 23:43:16,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-28 23:43:16,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2021-10-28 23:43:16,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-10-28 23:43:16,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2021-10-28 23:43:16,677 INFO L138 SettingsManager]: * sizeof long double=12
[2021-10-28 23:43:16,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-10-28 23:43:16,678 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2021-10-28 23:43:16,678 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-28 23:43:16,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2021-10-28 23:43:16,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-28 23:43:16,681 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-28 23:43:16,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-28 23:43:16,682 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-10-28 23:43:16,682 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-28 23:43:16,684 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-10-28 23:43:16,684 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_00982624-e53d-4a6f-84c7-1038473a5302/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00982624-e53d-4a6f-84c7-1038473a5302/bin/uautomizer-GMMbpWq8iD
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0f26fc8ab0bdaf05de905c05e583bc491c727ef99c3d3df87bba160b541b55a
[2021-10-28 23:43:17,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-28 23:43:17,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-28 23:43:17,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-28 23:43:17,106 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-28 23:43:17,108 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-28 23:43:17,109 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00982624-e53d-4a6f-84c7-1038473a5302/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c
[2021-10-28 23:43:17,239 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00982624-e53d-4a6f-84c7-1038473a5302/bin/uautomizer-GMMbpWq8iD/data/68184d4ee/1f6671d609404e789b3ec10e4c62b5aa/FLAGad47420ec
[2021-10-28 23:43:17,869 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-28 23:43:17,870 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00982624-e53d-4a6f-84c7-1038473a5302/sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c
[2021-10-28 23:43:17,893 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00982624-e53d-4a6f-84c7-1038473a5302/bin/uautomizer-GMMbpWq8iD/data/68184d4ee/1f6671d609404e789b3ec10e4c62b5aa/FLAGad47420ec
[2021-10-28 23:43:18,200 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00982624-e53d-4a6f-84c7-1038473a5302/bin/uautomizer-GMMbpWq8iD/data/68184d4ee/1f6671d609404e789b3ec10e4c62b5aa
[2021-10-28 23:43:18,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-28 23:43:18,205 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-28 23:43:18,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-28 23:43:18,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-28 23:43:18,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-28 23:43:18,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:43:18" (1/1) ...
[2021-10-28 23:43:18,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aae6169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:43:18, skipping insertion in model container
[2021-10-28 23:43:18,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:43:18" (1/1) ...
[2021-10-28 23:43:18,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-28 23:43:18,302 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-28 23:43:18,683 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_00982624-e53d-4a6f-84c7-1038473a5302/sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c[18661,18674]
[2021-10-28 23:43:18,684 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:43:18,709 INFO L203 MainTranslator]: Completed pre-run
[2021-10-28 23:43:18,817 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_00982624-e53d-4a6f-84c7-1038473a5302/sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c[18661,18674]
[2021-10-28 23:43:18,817 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:43:18,841 INFO L208 MainTranslator]: Completed translation
[2021-10-28 23:43:18,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:43:18 WrapperNode
[2021-10-28 23:43:18,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-28 23:43:18,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-28 23:43:18,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-28 23:43:18,845 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-28 23:43:18,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:43:18" (1/1) ...
[2021-10-28 23:43:18,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:43:18" (1/1) ...
[2021-10-28 23:43:18,946 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-28 23:43:18,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-28 23:43:18,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-28 23:43:18,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-10-28 23:43:18,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:43:18" (1/1) ...
[2021-10-28 23:43:18,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:43:18" (1/1) ...
[2021-10-28 23:43:18,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:43:18" (1/1) ...
[2021-10-28 23:43:18,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:43:18" (1/1) ...
[2021-10-28 23:43:19,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:43:18" (1/1) ...
[2021-10-28 23:43:19,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:43:18" (1/1) ...
[2021-10-28 23:43:19,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:43:18" (1/1) ...
[2021-10-28 23:43:19,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-28 23:43:19,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-28 23:43:19,026 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-10-28 23:43:19,026 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-10-28 23:43:19,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:43:18" (1/1) ...
[2021-10-28 23:43:19,041 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 23:43:19,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00982624-e53d-4a6f-84c7-1038473a5302/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:43:19,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00982624-e53d-4a6f-84c7-1038473a5302/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 23:43:19,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00982624-e53d-4a6f-84c7-1038473a5302/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2021-10-28 23:43:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-28 23:43:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-28 23:43:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-28 23:43:19,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-28 23:43:20,290 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-28 23:43:20,291 INFO L299 CfgBuilder]: Removed 192 assume(true) statements.
[2021-10-28 23:43:20,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:43:20 BoogieIcfgContainer
[2021-10-28 23:43:20,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-28 23:43:20,304 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-10-28 23:43:20,306 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2021-10-28 23:43:20,311 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2021-10-28 23:43:20,317 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 23:43:20,318 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:43:18" (1/3) ...
[2021-10-28 23:43:20,321 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24b7bd46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:43:20, skipping insertion in model container
[2021-10-28 23:43:20,321 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 23:43:20,322 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:43:18" (2/3) ...
[2021-10-28 23:43:20,322 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24b7bd46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:43:20, skipping insertion in model container
[2021-10-28 23:43:20,323 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 23:43:20,323 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:43:20" (3/3) ...
[2021-10-28 23:43:20,325 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product57.cil.c
[2021-10-28 23:43:20,403 INFO L359 BuchiCegarLoop]: Interprodecural is true
[2021-10-28 23:43:20,403 INFO L360 BuchiCegarLoop]: Hoare is false
[2021-10-28 23:43:20,403 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-10-28 23:43:20,403 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-28 23:43:20,403 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-28 23:43:20,403 INFO L364 BuchiCegarLoop]: Difference is false
[2021-10-28 23:43:20,403 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-28 23:43:20,404 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-10-28 23:43:20,426 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 132 states, 131 states have (on average 1.5114503816793894) internal successors, (198), 131 states have internal predecessors, (198), 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 23:43:20,459 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 85
[2021-10-28 23:43:20,459 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:43:20,459 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:43:20,471 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2021-10-28 23:43:20,471 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:43:20,471 INFO L425 BuchiCegarLoop]: ======== Iteration 1============
[2021-10-28 23:43:20,473 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 132 states, 131 states have (on average 1.5114503816793894) internal successors, (198), 131 states have internal predecessors, (198), 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 23:43:20,484 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 85
[2021-10-28 23:43:20,485 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:43:20,485 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:43:20,491 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2021-10-28 23:43:20,491 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:43:20,498 INFO L791 eck$LassoCheckResult]: Stem: 125#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~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~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);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~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.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; 33#L-1true havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; 16#L104true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 53#L112true main_#t~ret71 := valid_product_#res;main_~tmp~10 := main_#t~ret71;havoc main_#t~ret71; 133#L856true assume 0 != main_~tmp~10; 41#L833true havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 120#L61-1true
[2021-10-28 23:43:20,499 INFO L793 eck$LassoCheckResult]: Loop: 120#L61-1true assume !false; 90#L498true assume test_~splverifierCounter~0 < 4; 36#L499true test_~tmp~4 := test_#t~nondet45;havoc test_#t~nondet45; 19#L507true assume !(0 != test_~tmp~4); 18#L507-1true test_~tmp___0~1 := test_#t~nondet46;havoc test_#t~nondet46; 84#L517true assume !(0 != test_~tmp___0~1); 21#L517-1true test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 96#L527true assume 0 != test_~tmp___2~0; 15#L533-2true assume !(0 != ~pumpRunning~0); 116#L566true assume !(0 != ~systemActive~0); 54#L573true havoc __utac_acc__Specification1_spec__1_#t~ret7, __utac_acc__Specification1_spec__1_#t~ret8, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 102#L914-2true __utac_acc__Specification1_spec__1_#t~ret7 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret7;havoc __utac_acc__Specification1_spec__1_#t~ret7; 71#L61true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 120#L61-1true
[2021-10-28 23:43:20,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:43:20,506 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times
[2021-10-28 23:43:20,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:43:20,518 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094716228]
[2021-10-28 23:43:20,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:43:20,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:43:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:43:20,851 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:43:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:43:21,104 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:43:21,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:43:21,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1679097918, now seen corresponding path program 1 times
[2021-10-28 23:43:21,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:43:21,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426926403]
[2021-10-28 23:43:21,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:43:21,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:43:21,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:43:21,144 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:43:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:43:21,161 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:43:21,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:43:21,167 INFO L85 PathProgramCache]: Analyzing trace with hash 35181020, now seen corresponding path program 1 times
[2021-10-28 23:43:21,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:43:21,168 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591806804]
[2021-10-28 23:43:21,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:43:21,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:43:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:43:21,448 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 23:43:21,448 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:43:21,449 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591806804]
[2021-10-28 23:43:21,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591806804] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:43:21,451 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:43:21,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-10-28 23:43:21,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470373923]
[2021-10-28 23:43:21,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:43:21,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-10-28 23:43:21,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2021-10-28 23:43:21,720 INFO L87 Difference]: Start difference. First operand has 132 states, 131 states have (on average 1.5114503816793894) internal successors, (198), 131 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:43:21,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:43:21,955 INFO L93 Difference]: Finished difference Result 132 states and 187 transitions.
[2021-10-28 23:43:21,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-10-28 23:43:21,967 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 132 states and 187 transitions.
[2021-10-28 23:43:21,975 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 83
[2021-10-28 23:43:21,991 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 132 states to 125 states and 180 transitions.
[2021-10-28 23:43:21,996 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 125
[2021-10-28 23:43:21,998 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 125
[2021-10-28 23:43:22,001 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125 states and 180 transitions.
[2021-10-28 23:43:22,002 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:43:22,003 INFO L681 BuchiCegarLoop]: Abstraction has 125 states and 180 transitions.
[2021-10-28 23:43:22,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states and 180 transitions.
[2021-10-28 23:43:22,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125.
[2021-10-28 23:43:22,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 125 states have (on average 1.44) internal successors, (180), 124 states have internal predecessors, (180), 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 23:43:22,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 180 transitions.
[2021-10-28 23:43:22,053 INFO L704 BuchiCegarLoop]: Abstraction has 125 states and 180 transitions.
[2021-10-28 23:43:22,054 INFO L587 BuchiCegarLoop]: Abstraction has 125 states and 180 transitions.
[2021-10-28 23:43:22,054 INFO L425 BuchiCegarLoop]: ======== Iteration 2============
[2021-10-28 23:43:22,054 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 180 transitions.
[2021-10-28 23:43:22,058 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 83
[2021-10-28 23:43:22,058 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:43:22,058 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:43:22,059 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2021-10-28 23:43:22,059 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:43:22,060 INFO L791 eck$LassoCheckResult]: Stem: 405#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~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~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);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~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.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; 333#L-1 havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; 308#L104 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 309#L112 main_#t~ret71 := valid_product_#res;main_~tmp~10 := main_#t~ret71;havoc main_#t~ret71; 362#L856 assume 0 != main_~tmp~10; 344#L833 havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 345#L61-1
[2021-10-28 23:43:22,060 INFO L793 eck$LassoCheckResult]: Loop: 345#L61-1 assume !false; 395#L498 assume test_~splverifierCounter~0 < 4; 336#L499 test_~tmp~4 := test_#t~nondet45;havoc test_#t~nondet45; 311#L507 assume !(0 != test_~tmp~4); 293#L507-1 test_~tmp___0~1 := test_#t~nondet46;havoc test_#t~nondet46; 310#L517 assume !(0 != test_~tmp___0~1); 312#L517-1 test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 313#L527 assume 0 != test_~tmp___2~0; 305#L533-2 assume !(0 != ~pumpRunning~0); 306#L566 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 334#L624 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; 335#L598-1 assume !(0 == ~pumpRunning~0); 295#L573 havoc __utac_acc__Specification1_spec__1_#t~ret7, __utac_acc__Specification1_spec__1_#t~ret8, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 363#L914-2 __utac_acc__Specification1_spec__1_#t~ret7 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret7;havoc __utac_acc__Specification1_spec__1_#t~ret7; 379#L61 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 345#L61-1
[2021-10-28 23:43:22,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:43:22,061 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times
[2021-10-28 23:43:22,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:43:22,061 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684997139]
[2021-10-28 23:43:22,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:43:22,062 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:43:22,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:43:22,121 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:43:22,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:43:22,195 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:43:22,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:43:22,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1986081045, now seen corresponding path program 1 times
[2021-10-28 23:43:22,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:43:22,197 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692317814]
[2021-10-28 23:43:22,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:43:22,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:43:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:43:22,216 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 23:43:22,217 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:43:22,217 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692317814]
[2021-10-28 23:43:22,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692317814] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:43:22,217 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:43:22,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 23:43:22,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705049016]
[2021-10-28 23:43:22,218 INFO L808 eck$LassoCheckResult]: loop already infeasible
[2021-10-28 23:43:22,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:43:22,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:43:22,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:43:22,220 INFO L87 Difference]: Start difference. First operand 125 states and 180 transitions. cyclomatic complexity: 57 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:43:22,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:43:22,329 INFO L93 Difference]: Finished difference Result 166 states and 228 transitions.
[2021-10-28 23:43:22,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:43:22,330 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 166 states and 228 transitions.
[2021-10-28 23:43:22,340 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114
[2021-10-28 23:43:22,347 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 166 states to 166 states and 228 transitions.
[2021-10-28 23:43:22,347 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 166
[2021-10-28 23:43:22,350 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 166
[2021-10-28 23:43:22,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 166 states and 228 transitions.
[2021-10-28 23:43:22,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:43:22,352 INFO L681 BuchiCegarLoop]: Abstraction has 166 states and 228 transitions.
[2021-10-28 23:43:22,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states and 228 transitions.
[2021-10-28 23:43:22,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166.
[2021-10-28 23:43:22,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 166 states have (on average 1.3734939759036144) internal successors, (228), 165 states have internal predecessors, (228), 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 23:43:22,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 228 transitions.
[2021-10-28 23:43:22,366 INFO L704 BuchiCegarLoop]: Abstraction has 166 states and 228 transitions.
[2021-10-28 23:43:22,366 INFO L587 BuchiCegarLoop]: Abstraction has 166 states and 228 transitions.
[2021-10-28 23:43:22,366 INFO L425 BuchiCegarLoop]: ======== Iteration 3============
[2021-10-28 23:43:22,366 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 166 states and 228 transitions.
[2021-10-28 23:43:22,368 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114
[2021-10-28 23:43:22,368 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:43:22,368 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:43:22,369 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1]
[2021-10-28 23:43:22,370 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:43:22,370 INFO L791 eck$LassoCheckResult]: Stem: 709#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~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~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);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~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.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; 632#L-1 havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; 605#L104 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 606#L112 main_#t~ret71 := valid_product_#res;main_~tmp~10 := main_#t~ret71;havoc main_#t~ret71; 662#L856 assume 0 != main_~tmp~10; 644#L833 havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 645#L61-1
[2021-10-28 23:43:22,370 INFO L793 eck$LassoCheckResult]: Loop: 645#L61-1 assume !false; 694#L498 assume test_~splverifierCounter~0 < 4; 635#L499 test_~tmp~4 := test_#t~nondet45;havoc test_#t~nondet45; 608#L507 assume !(0 != test_~tmp~4); 589#L507-1 test_~tmp___0~1 := test_#t~nondet46;havoc test_#t~nondet46; 607#L517 assume !(0 != test_~tmp___0~1); 609#L517-1 test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 610#L527 assume 0 != test_~tmp___2~0; 601#L533-2 assume !(0 != ~pumpRunning~0); 602#L566 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 633#L624 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; 634#L598-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret69, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; 674#L954-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; 653#L959-1 isHighWaterLevel_#t~ret69 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret69;havoc isHighWaterLevel_#t~ret69; 586#L744-3 assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~2 := 0; 587#L744-5 isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; 706#L750-1 processEnvironment__wrappee__highWaterSensor_#t~ret49 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret49;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49; 701#L602-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5); 591#L573 havoc __utac_acc__Specification1_spec__1_#t~ret7, __utac_acc__Specification1_spec__1_#t~ret8, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 663#L914-2 __utac_acc__Specification1_spec__1_#t~ret7 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret7;havoc __utac_acc__Specification1_spec__1_#t~ret7; 678#L61 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 645#L61-1
[2021-10-28 23:43:22,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:43:22,371 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times
[2021-10-28 23:43:22,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:43:22,372 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925330357]
[2021-10-28 23:43:22,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:43:22,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:43:22,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:43:22,443 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:43:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:43:22,582 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:43:22,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:43:22,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1392929207, now seen corresponding path program 1 times
[2021-10-28 23:43:22,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:43:22,584 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708792961]
[2021-10-28 23:43:22,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:43:22,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:43:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:43:22,593 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:43:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:43:22,615 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:43:22,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:43:22,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1849000401, now seen corresponding path program 1 times
[2021-10-28 23:43:22,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:43:22,617 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594577099]
[2021-10-28 23:43:22,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:43:22,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:43:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:43:22,704 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:43:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:43:22,767 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:44:24,535 WARN L207 SmtUtils]: Spent 1.02 m on a formula simplification. DAG size of input: 491 DAG size of output: 433
[2021-10-28 23:45:23,842 WARN L207 SmtUtils]: Spent 29.14 s on a formula simplification that was a NOOP. DAG size: 433
[2021-10-28 23:45:24,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:45:24 BoogieIcfgContainer
[2021-10-28 23:45:24,076 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-10-28 23:45:24,076 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-28 23:45:24,076 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-10-28 23:45:24,077 INFO L275 PluginConnector]: Witness Printer initialized
[2021-10-28 23:45:24,077 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:43:20" (3/4) ...
[2021-10-28 23:45:24,080 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample
[2021-10-28 23:45:24,192 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00982624-e53d-4a6f-84c7-1038473a5302/bin/uautomizer-GMMbpWq8iD/witness.graphml
[2021-10-28 23:45:24,193 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-28 23:45:24,194 INFO L168 Benchmark]: Toolchain (without parser) took 125988.61 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 59.7 MB in the beginning and 108.0 MB in the end (delta: -48.3 MB). Peak memory consumption was 75.9 MB. Max. memory is 16.1 GB.
[2021-10-28 23:45:24,195 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 96.5 MB. Free memory was 67.1 MB in the beginning and 67.1 MB in the end (delta: 28.5 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 23:45:24,195 INFO L168 Benchmark]: CACSL2BoogieTranslator took 636.27 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 59.6 MB in the beginning and 84.8 MB in the end (delta: -25.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-28 23:45:24,196 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.87 ms. Allocated memory is still 117.4 MB. Free memory was 84.8 MB in the beginning and 80.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-28 23:45:24,197 INFO L168 Benchmark]: Boogie Preprocessor took 77.91 ms. Allocated memory is still 117.4 MB. Free memory was 80.6 MB in the beginning and 78.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 23:45:24,197 INFO L168 Benchmark]: RCFGBuilder took 1268.58 ms. Allocated memory is still 117.4 MB. Free memory was 78.0 MB in the beginning and 84.3 MB in the end (delta: -6.3 MB). Peak memory consumption was 43.8 MB. Max. memory is 16.1 GB.
[2021-10-28 23:45:24,198 INFO L168 Benchmark]: BuchiAutomizer took 123771.62 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 84.3 MB in the beginning and 31.4 MB in the end (delta: 52.9 MB). Peak memory consumption was 82.9 MB. Max. memory is 16.1 GB.
[2021-10-28 23:45:24,199 INFO L168 Benchmark]: Witness Printer took 116.49 ms. Allocated memory is still 142.6 MB. Free memory was 31.4 MB in the beginning and 108.0 MB in the end (delta: -76.6 MB). Peak memory consumption was 2.3 MB. Max. memory is 16.1 GB.
[2021-10-28 23:45:24,213 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.31 ms. Allocated memory is still 96.5 MB. Free memory was 67.1 MB in the beginning and 67.1 MB in the end (delta: 28.5 kB). There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 636.27 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 59.6 MB in the beginning and 84.8 MB in the end (delta: -25.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
* Boogie Procedure Inliner took 101.87 ms. Allocated memory is still 117.4 MB. Free memory was 84.8 MB in the beginning and 80.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
* Boogie Preprocessor took 77.91 ms. Allocated memory is still 117.4 MB. Free memory was 80.6 MB in the beginning and 78.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* RCFGBuilder took 1268.58 ms. Allocated memory is still 117.4 MB. Free memory was 78.0 MB in the beginning and 84.3 MB in the end (delta: -6.3 MB). Peak memory consumption was 43.8 MB. Max. memory is 16.1 GB.
* BuchiAutomizer took 123771.62 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 84.3 MB in the beginning and 31.4 MB in the end (delta: 52.9 MB). Peak memory consumption was 82.9 MB. Max. memory is 16.1 GB.
* Witness Printer took 116.49 ms. Allocated memory is still 142.6 MB. Free memory was 31.4 MB in the beginning and 108.0 MB in the end (delta: -76.6 MB). Peak memory consumption was 2.3 MB. Max. memory is 16.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Constructed decomposition of program
Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 166 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 123.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 123.0s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 166 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 347 SDtfs, 855 SDslu, 68 SDs, 0 SdLazy, 38 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s
- TerminationAnalysisResult: Nontermination possible
Buchi Automizer proved that your program is nonterminating for some inputs
- FixpointNonTerminationResult [Line: 497]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite execution
State at position 0 is
{NULL=1}
State at position 1 is
{NULL=0, NULL=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31805f3=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@15172f50=62, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6679d4bc=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6810e36e=0, NULL=0, NULL=16838, NULL=0, NULL=16836, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2128984c=0, tmp=0, NULL=0, NULL=16844, NULL=16850, retValue_acc=0, tmp___1=0, NULL=16827, NULL=0, NULL=16841, cleanupTimeShifts=4, NULL=16846, retValue_acc=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@749c3f17=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3417889b=0, waterLevel=1, NULL=0, NULL=0, NULL=16837, NULL=16835, \result=1, head=0, pumpRunning=0, NULL=0, tmp=0, \result=1, NULL=0, NULL=0, NULL=16839, NULL=0, tmp=1, NULL=0, NULL=16843, tmp___0=0, NULL=16825, head=0, NULL=0, tmp=0, NULL=16828, NULL=0, NULL=0, NULL=0, NULL=16849, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ddc868f=0, NULL=16845, retValue_acc=0, NULL=16851, NULL=16830, tmp___0=0, NULL=16829, NULL=0, NULL=0, tmp___0=0, NULL=16842, NULL=16834, tmp=0, NULL=0, NULL=0, systemActive=1, NULL=0, \result=0, NULL=0, NULL=0, NULL=0, NULL=16832, \result=0, NULL=16847, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54496b5b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37ed1196=0, NULL=16826, NULL=16831, retValue_acc=1, retValue_acc=1, tmp___2=62, splverifierCounter=0, NULL=0, \result=0, NULL=16833, NULL=16848, NULL=16840, NULL=16824}
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 1]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L286] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L559] int pumpRunning = 0;
[L560] int systemActive = 1;
[L774] int cleanupTimeShifts = 4;
[L871] int waterLevel = 1;
[L872] int methaneLevelCritical = 0;
[L847] int retValue_acc ;
[L848] int tmp ;
[L108] int retValue_acc ;
[L111] retValue_acc = 1
[L112] return (retValue_acc);
[L854] tmp = valid_product()
[L856] COND TRUE \read(tmp)
[L488] int splverifierCounter ;
[L489] int tmp ;
[L490] int tmp___0 ;
[L491] int tmp___1 ;
[L492] int tmp___2 ;
[L495] splverifierCounter = 0
Loop:
[L497] COND TRUE 1
[L499] COND TRUE splverifierCounter < 4
[L505] tmp = __VERIFIER_nondet_int()
[L507] COND FALSE !(\read(tmp))
[L515] tmp___0 = __VERIFIER_nondet_int()
[L517] COND FALSE !(\read(tmp___0))
[L525] tmp___2 = __VERIFIER_nondet_int()
[L527] COND TRUE \read(tmp___2)
[L566] COND FALSE !(\read(pumpRunning))
[L573] COND TRUE \read(systemActive)
[L621] int tmp ;
[L624] COND FALSE !(\read(pumpRunning))
[L595] int tmp ;
[L598] COND TRUE ! pumpRunning
[L736] int retValue_acc ;
[L737] int tmp ;
[L738] int tmp___0 ;
[L951] int retValue_acc ;
[L954] COND TRUE waterLevel < 2
[L955] retValue_acc = 1
[L956] return (retValue_acc);
[L742] tmp = isHighWaterSensorDry()
[L744] COND TRUE \read(tmp)
[L745] tmp___0 = 0
[L749] retValue_acc = tmp___0
[L750] return (retValue_acc);
[L600] tmp = isHighWaterLevel()
[L602] COND FALSE !(\read(tmp))
[L54] int tmp ;
[L55] int tmp___0 ;
[L910] int retValue_acc ;
[L913] retValue_acc = methaneLevelCritical
[L914] return (retValue_acc);
[L59] tmp = isMethaneLevelCritical()
[L61] COND FALSE !(\read(tmp))
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2021-10-28 23:45:24,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00982624-e53d-4a6f-84c7-1038473a5302/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0
Received shutdown request...