./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product07_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9d7213e3-a4c4-4866-aec3-5e969c6f2faa/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9d7213e3-a4c4-4866-aec3-5e969c6f2faa/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9d7213e3-a4c4-4866-aec3-5e969c6f2faa/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9d7213e3-a4c4-4866-aec3-5e969c6f2faa/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product07_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9d7213e3-a4c4-4866-aec3-5e969c6f2faa/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9d7213e3-a4c4-4866-aec3-5e969c6f2faa/bin-2019/uautomizer --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 ed47af17a01225db794df6404fe947f085302314 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-5842f4b [2018-11-18 13:00:23,356 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:00:23,357 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:00:23,366 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:00:23,366 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:00:23,367 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:00:23,368 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:00:23,369 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:00:23,371 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:00:23,371 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:00:23,372 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:00:23,372 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:00:23,373 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:00:23,374 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:00:23,375 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:00:23,375 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:00:23,376 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:00:23,377 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:00:23,378 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:00:23,380 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:00:23,380 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:00:23,381 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:00:23,383 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:00:23,383 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:00:23,383 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:00:23,384 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:00:23,385 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:00:23,385 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:00:23,386 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:00:23,387 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:00:23,387 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:00:23,388 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:00:23,388 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:00:23,388 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:00:23,388 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:00:23,389 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:00:23,389 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9d7213e3-a4c4-4866-aec3-5e969c6f2faa/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 13:00:23,399 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:00:23,400 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:00:23,401 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:00:23,401 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:00:23,401 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:00:23,401 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 13:00:23,401 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 13:00:23,401 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 13:00:23,401 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 13:00:23,402 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 13:00:23,402 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 13:00:23,402 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:00:23,402 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:00:23,402 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 13:00:23,402 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:00:23,402 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:00:23,402 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:00:23,403 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 13:00:23,403 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 13:00:23,403 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 13:00:23,403 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:00:23,403 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:00:23,403 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 13:00:23,403 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:00:23,403 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 13:00:23,404 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:00:23,404 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:00:23,404 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 13:00:23,404 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:00:23,404 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:00:23,404 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 13:00:23,405 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 13:00:23,405 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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-vcloud-master/worker/working_dir_9d7213e3-a4c4-4866-aec3-5e969c6f2faa/bin-2019/uautomizer 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 -> ed47af17a01225db794df6404fe947f085302314 [2018-11-18 13:00:23,430 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:00:23,440 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:00:23,442 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:00:23,444 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:00:23,444 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:00:23,444 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9d7213e3-a4c4-4866-aec3-5e969c6f2faa/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product07_true-unreach-call_false-termination.cil.c [2018-11-18 13:00:23,492 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d7213e3-a4c4-4866-aec3-5e969c6f2faa/bin-2019/uautomizer/data/602797c50/e83e92a0e730405c9943b3f0ca6cbe1b/FLAG50116df02 [2018-11-18 13:00:23,883 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:00:23,883 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9d7213e3-a4c4-4866-aec3-5e969c6f2faa/sv-benchmarks/c/product-lines/minepump_spec5_product07_true-unreach-call_false-termination.cil.c [2018-11-18 13:00:23,893 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d7213e3-a4c4-4866-aec3-5e969c6f2faa/bin-2019/uautomizer/data/602797c50/e83e92a0e730405c9943b3f0ca6cbe1b/FLAG50116df02 [2018-11-18 13:00:23,905 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9d7213e3-a4c4-4866-aec3-5e969c6f2faa/bin-2019/uautomizer/data/602797c50/e83e92a0e730405c9943b3f0ca6cbe1b [2018-11-18 13:00:23,907 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:00:23,908 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:00:23,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:00:23,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:00:23,912 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:00:23,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:00:23" (1/1) ... [2018-11-18 13:00:23,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f746e5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:23, skipping insertion in model container [2018-11-18 13:00:23,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:00:23" (1/1) ... [2018-11-18 13:00:23,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:00:23,954 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:00:24,163 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:00:24,171 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:00:24,283 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:00:24,303 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:00:24,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:24 WrapperNode [2018-11-18 13:00:24,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:00:24,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:00:24,304 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:00:24,304 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:00:24,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:24" (1/1) ... [2018-11-18 13:00:24,319 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:24" (1/1) ... [2018-11-18 13:00:24,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:00:24,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:00:24,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:00:24,339 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:00:24,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:24" (1/1) ... [2018-11-18 13:00:24,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:24" (1/1) ... [2018-11-18 13:00:24,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:24" (1/1) ... [2018-11-18 13:00:24,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:24" (1/1) ... [2018-11-18 13:00:24,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:24" (1/1) ... [2018-11-18 13:00:24,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:24" (1/1) ... [2018-11-18 13:00:24,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:24" (1/1) ... [2018-11-18 13:00:24,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:00:24,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:00:24,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:00:24,365 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:00:24,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d7213e3-a4c4-4866-aec3-5e969c6f2faa/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 13:00:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:00:24,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:00:24,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:00:24,892 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:00:24,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:00:24 BoogieIcfgContainer [2018-11-18 13:00:24,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:00:24,893 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 13:00:24,893 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 13:00:24,896 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 13:00:24,896 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:00:24,896 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 01:00:23" (1/3) ... [2018-11-18 13:00:24,897 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a8cd8b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:00:24, skipping insertion in model container [2018-11-18 13:00:24,897 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:00:24,897 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:00:24" (2/3) ... [2018-11-18 13:00:24,898 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a8cd8b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:00:24, skipping insertion in model container [2018-11-18 13:00:24,898 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:00:24,898 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:00:24" (3/3) ... [2018-11-18 13:00:24,899 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product07_true-unreach-call_false-termination.cil.c [2018-11-18 13:00:24,932 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:00:24,933 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 13:00:24,933 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 13:00:24,933 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 13:00:24,933 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:00:24,933 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:00:24,933 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 13:00:24,933 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:00:24,933 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 13:00:24,946 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 112 states. [2018-11-18 13:00:24,965 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2018-11-18 13:00:24,965 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:00:24,965 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:00:24,971 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:00:24,971 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:00:24,971 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 13:00:24,971 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 112 states. [2018-11-18 13:00:24,976 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2018-11-18 13:00:24,976 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:00:24,976 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:00:24,977 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:00:24,977 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:00:24,981 INFO L794 eck$LassoCheckResult]: Stem: 78#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(13);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 44];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 80];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 117];#memory_int := #memory_int[#t~string27.base,3 + #t~string27.offset := 109];#memory_int := #memory_int[#t~string27.base,4 + #t~string27.offset := 112];#memory_int := #memory_int[#t~string27.base,5 + #t~string27.offset := 58];#memory_int := #memory_int[#t~string27.base,6 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 110];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 79];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 102];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 102];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 41];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 32];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 10];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(21);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 5#L533true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 45#L526true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 8#L541true main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 84#L132true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 11#L103true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 14#L238true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 58#L292-3true [2018-11-18 13:00:24,981 INFO L796 eck$LassoCheckResult]: Loop: 58#L292-3true assume true; 68#L292-1true assume !false; 10#L293true assume test_~splverifierCounter~0 < 4; 88#L294true test_~tmp~2 := test_#t~nondet14;havoc test_#t~nondet14; 112#L302true assume !(0 != test_~tmp~2); 110#L302-2true test_~tmp___0~1 := test_#t~nondet15;havoc test_#t~nondet15; 17#L312true assume !(0 != test_~tmp___0~1); 19#L312-2true test_~tmp___2~0 := test_#t~nondet16;havoc test_#t~nondet16; 72#L322true assume 0 != test_~tmp___2~0; 41#L328-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret11;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; 52#L446true __utac_acc__Specification5_spec__2_#t~ret11 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret11;havoc __utac_acc__Specification5_spec__2_#t~ret11; 66#L248true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 34#L361true assume !(0 != ~pumpRunning~0); 38#L361-2true assume !(0 != ~systemActive~0); 114#L368-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret12, __utac_acc__Specification5_spec__3_#t~ret13, __utac_acc__Specification5_spec__3_~tmp~1, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; 109#L225true __utac_acc__Specification5_spec__3_#t~ret12 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1 := __utac_acc__Specification5_spec__3_#t~ret12;havoc __utac_acc__Specification5_spec__3_#t~ret12; 69#L259true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1); 64#L259-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 24#L378true assume { :end_inline_timeShift } true; 58#L292-3true [2018-11-18 13:00:24,986 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:00:24,987 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 13:00:24,988 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:00:24,989 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:00:25,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:00:25,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:00:25,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:00:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:00:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:00:25,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:00:25,131 INFO L82 PathProgramCache]: Analyzing trace with hash -249786179, now seen corresponding path program 1 times [2018-11-18 13:00:25,131 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:00:25,131 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:00:25,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:00:25,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:00:25,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:00:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:00:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:00:25,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:00:25,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1179962164, now seen corresponding path program 1 times [2018-11-18 13:00:25,147 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:00:25,147 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:00:25,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:00:25,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:00:25,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:00:25,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:00:25,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:00:25,278 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:00:25,279 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:00:25,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:00:25,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:00:25,377 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 6 states. [2018-11-18 13:00:25,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:00:25,546 INFO L93 Difference]: Finished difference Result 285 states and 360 transitions. [2018-11-18 13:00:25,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:00:25,548 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 285 states and 360 transitions. [2018-11-18 13:00:25,553 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 183 [2018-11-18 13:00:25,559 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 285 states to 255 states and 330 transitions. [2018-11-18 13:00:25,559 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 255 [2018-11-18 13:00:25,560 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 255 [2018-11-18 13:00:25,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 255 states and 330 transitions. [2018-11-18 13:00:25,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:00:25,562 INFO L705 BuchiCegarLoop]: Abstraction has 255 states and 330 transitions. [2018-11-18 13:00:25,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states and 330 transitions. [2018-11-18 13:00:25,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 162. [2018-11-18 13:00:25,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-11-18 13:00:25,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 210 transitions. [2018-11-18 13:00:25,592 INFO L728 BuchiCegarLoop]: Abstraction has 162 states and 210 transitions. [2018-11-18 13:00:25,592 INFO L608 BuchiCegarLoop]: Abstraction has 162 states and 210 transitions. [2018-11-18 13:00:25,593 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 13:00:25,593 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 162 states and 210 transitions. [2018-11-18 13:00:25,595 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 116 [2018-11-18 13:00:25,595 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:00:25,595 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:00:25,596 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:00:25,596 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:00:25,596 INFO L794 eck$LassoCheckResult]: Stem: 501#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(13);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 44];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 80];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 117];#memory_int := #memory_int[#t~string27.base,3 + #t~string27.offset := 109];#memory_int := #memory_int[#t~string27.base,4 + #t~string27.offset := 112];#memory_int := #memory_int[#t~string27.base,5 + #t~string27.offset := 58];#memory_int := #memory_int[#t~string27.base,6 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 110];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 79];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 102];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 102];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 41];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 32];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 10];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(21);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 423#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 421#L533 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 422#L526 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 426#L541 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 427#L132 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 433#L103 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 434#L238 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 438#L292-3 [2018-11-18 13:00:25,596 INFO L796 eck$LassoCheckResult]: Loop: 438#L292-3 assume true; 492#L292-1 assume !false; 431#L293 assume test_~splverifierCounter~0 < 4; 432#L294 test_~tmp~2 := test_#t~nondet14;havoc test_#t~nondet14; 505#L302 assume !(0 != test_~tmp~2); 478#L302-2 test_~tmp___0~1 := test_#t~nondet15;havoc test_#t~nondet15; 441#L312 assume !(0 != test_~tmp___0~1); 436#L312-2 test_~tmp___2~0 := test_#t~nondet16;havoc test_#t~nondet16; 443#L322 assume 0 != test_~tmp___2~0; 469#L328-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret11;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; 475#L446 __utac_acc__Specification5_spec__2_#t~ret11 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret11;havoc __utac_acc__Specification5_spec__2_#t~ret11; 486#L248 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 463#L361 assume !(0 != ~pumpRunning~0); 464#L361-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret18, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 472#L393 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 506#L385-1 assume { :end_inline_processEnvironment__wrappee__base } true; 482#L393-1 assume { :end_inline_processEnvironment } true; 508#L368-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret12, __utac_acc__Specification5_spec__3_#t~ret13, __utac_acc__Specification5_spec__3_~tmp~1, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; 513#L225 __utac_acc__Specification5_spec__3_#t~ret12 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1 := __utac_acc__Specification5_spec__3_#t~ret12;havoc __utac_acc__Specification5_spec__3_#t~ret12; 498#L259 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1); 420#L259-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 450#L378 assume { :end_inline_timeShift } true; 438#L292-3 [2018-11-18 13:00:25,597 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:00:25,597 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 13:00:25,597 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:00:25,597 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:00:25,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:00:25,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:00:25,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:00:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:00:25,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:00:25,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:00:25,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1507327640, now seen corresponding path program 1 times [2018-11-18 13:00:25,641 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:00:25,642 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:00:25,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:00:25,642 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:00:25,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:00:25,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:00:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:00:25,651 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:00:25,651 INFO L82 PathProgramCache]: Analyzing trace with hash -1065115759, now seen corresponding path program 1 times [2018-11-18 13:00:25,652 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:00:25,652 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:00:25,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:00:25,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:00:25,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:00:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:00:25,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:00:25,733 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:00:25,733 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 13:00:25,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:00:25,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:00:25,783 INFO L87 Difference]: Start difference. First operand 162 states and 210 transitions. cyclomatic complexity: 51 Second operand 5 states. [2018-11-18 13:00:25,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:00:25,891 INFO L93 Difference]: Finished difference Result 434 states and 553 transitions. [2018-11-18 13:00:25,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:00:25,892 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 434 states and 553 transitions. [2018-11-18 13:00:25,896 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 220 [2018-11-18 13:00:25,899 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 434 states to 434 states and 553 transitions. [2018-11-18 13:00:25,900 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 434 [2018-11-18 13:00:25,900 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 434 [2018-11-18 13:00:25,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 434 states and 553 transitions. [2018-11-18 13:00:25,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:00:25,903 INFO L705 BuchiCegarLoop]: Abstraction has 434 states and 553 transitions. [2018-11-18 13:00:25,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states and 553 transitions. [2018-11-18 13:00:25,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 308. [2018-11-18 13:00:25,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2018-11-18 13:00:25,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 390 transitions. [2018-11-18 13:00:25,917 INFO L728 BuchiCegarLoop]: Abstraction has 308 states and 390 transitions. [2018-11-18 13:00:25,917 INFO L608 BuchiCegarLoop]: Abstraction has 308 states and 390 transitions. [2018-11-18 13:00:25,917 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 13:00:25,917 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 308 states and 390 transitions. [2018-11-18 13:00:25,920 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 220 [2018-11-18 13:00:25,920 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:00:25,920 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:00:25,921 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:00:25,921 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:00:25,921 INFO L794 eck$LassoCheckResult]: Stem: 1140#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(13);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 44];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 80];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 117];#memory_int := #memory_int[#t~string27.base,3 + #t~string27.offset := 109];#memory_int := #memory_int[#t~string27.base,4 + #t~string27.offset := 112];#memory_int := #memory_int[#t~string27.base,5 + #t~string27.offset := 58];#memory_int := #memory_int[#t~string27.base,6 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 110];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 79];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 102];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 102];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 41];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 32];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 10];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(21);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 1035#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 1033#L533 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1034#L526 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 1038#L541 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 1039#L132 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 1046#L103 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1047#L238 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1051#L292-3 [2018-11-18 13:00:25,921 INFO L796 eck$LassoCheckResult]: Loop: 1051#L292-3 assume true; 1269#L292-1 assume !false; 1268#L293 assume test_~splverifierCounter~0 < 4; 1267#L294 test_~tmp~2 := test_#t~nondet14;havoc test_#t~nondet14; 1266#L302 assume !(0 != test_~tmp~2); 1265#L302-2 test_~tmp___0~1 := test_#t~nondet15;havoc test_#t~nondet15; 1263#L312 assume !(0 != test_~tmp___0~1); 1261#L312-2 test_~tmp___2~0 := test_#t~nondet16;havoc test_#t~nondet16; 1258#L322 assume 0 != test_~tmp___2~0; 1257#L328-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret11;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; 1256#L446 __utac_acc__Specification5_spec__2_#t~ret11 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret11;havoc __utac_acc__Specification5_spec__2_#t~ret11; 1255#L248 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1253#L361 assume !(0 != ~pumpRunning~0); 1252#L361-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret18, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 1237#L393 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1248#L385-1 assume { :end_inline_processEnvironment__wrappee__base } true; 1247#L393-1 assume { :end_inline_processEnvironment } true; 1246#L368-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret12, __utac_acc__Specification5_spec__3_#t~ret13, __utac_acc__Specification5_spec__3_~tmp~1, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; 1245#L225 __utac_acc__Specification5_spec__3_#t~ret12 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1 := __utac_acc__Specification5_spec__3_#t~ret12;havoc __utac_acc__Specification5_spec__3_#t~ret12; 1130#L259 assume 2 != __utac_acc__Specification5_spec__3_~tmp~1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; 1131#L446-1 __utac_acc__Specification5_spec__3_#t~ret13 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret13;havoc __utac_acc__Specification5_spec__3_#t~ret13; 1274#L263 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 1272#L259-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1064#L378 assume { :end_inline_timeShift } true; 1051#L292-3 [2018-11-18 13:00:25,921 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:00:25,922 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 13:00:25,922 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:00:25,922 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:00:25,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:00:25,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:00:25,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:00:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:00:25,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:00:25,953 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:00:25,954 INFO L82 PathProgramCache]: Analyzing trace with hash -1156981789, now seen corresponding path program 1 times [2018-11-18 13:00:25,954 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:00:25,954 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:00:25,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:00:25,955 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:00:25,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:00:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:00:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:00:25,963 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:00:25,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1393126452, now seen corresponding path program 1 times [2018-11-18 13:00:25,963 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:00:25,963 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:00:25,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:00:25,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:00:25,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:00:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:00:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:01:53,363 WARN L180 SmtUtils]: Spent 1.45 m on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 13:02:35,332 WARN L180 SmtUtils]: Spent 41.97 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 13:02:35,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 01:02:35 BoogieIcfgContainer [2018-11-18 13:02:35,397 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 13:02:35,398 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:02:35,398 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:02:35,398 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:02:35,398 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:00:24" (3/4) ... [2018-11-18 13:02:35,400 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 13:02:35,446 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9d7213e3-a4c4-4866-aec3-5e969c6f2faa/bin-2019/uautomizer/witness.graphml [2018-11-18 13:02:35,446 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:02:35,446 INFO L168 Benchmark]: Toolchain (without parser) took 131539.06 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 288.4 MB). Free memory was 955.4 MB in the beginning and 1.3 GB in the end (delta: -303.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:02:35,447 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:02:35,447 INFO L168 Benchmark]: CACSL2BoogieTranslator took 394.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 955.4 MB in the beginning and 1.2 GB in the end (delta: -201.4 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:02:35,448 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:02:35,448 INFO L168 Benchmark]: Boogie Preprocessor took 25.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:02:35,448 INFO L168 Benchmark]: RCFGBuilder took 528.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 69.6 MB). Peak memory consumption was 69.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:02:35,448 INFO L168 Benchmark]: BuchiAutomizer took 130504.34 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 119.0 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -174.5 MB). Peak memory consumption was 319.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:02:35,449 INFO L168 Benchmark]: Witness Printer took 48.13 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:02:35,450 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 394.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 955.4 MB in the beginning and 1.2 GB in the end (delta: -201.4 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 528.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 69.6 MB). Peak memory consumption was 69.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 130504.34 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 119.0 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -174.5 MB). Peak memory consumption was 319.9 MB. Max. memory is 11.5 GB. * Witness Printer took 48.13 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 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 308 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 130.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 130.0s. 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, 219 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 308 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 345 SDtfs, 912 SDslu, 1144 SDs, 0 SdLazy, 109 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 292]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, "i > 0 && i <= this->argsCount"=0, ")"=17, "i > 0 && i <= this->argsCount"=35, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c0479f7=0, "__utac__get_this_arg"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4712a07f=0, "i > 0 && i <= this->argsCount"=27, "libacc.c"=34, methaneLevelCritical=0, "OK"=18, tmp=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@625487cb=0, "__utac__get_this_argtype"=0, "libacc.c"=0, ") "=37, "__utac__get_this_argtype"=0, "libacc.c"=8, "i > 0 && i <= this->argsCount"=0, "Env(Water:%i"=20, tmp=1, tmp___1=0, "On"=39, "On"=15, ",Meth:"=0, "OK"=0, "CRIT"=0, "Env(Water:%i"=0, cleanupTimeShifts=4, switchedOnBeforeTS=0, "Off"=12, "Off"=38, \result=0, "Off"=0, "On"=0, "Pump(System:"=0, ",Pump:"=0, "On"=0, NULL=0, systemActive=1, waterLevel=1, "__utac__get_this_argtype"=22, \result=1, "i > 0 && i <= this->argsCount"=31, ")"=0, retValue_acc=1, "__utac__get_this_arg"=28, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=0, "libacc.c"=0, ",Meth:"=19, tmp___0=0, \result=1, head=0, pumpRunning=0, tmp=1, "__utac__get_this_arg"=33, \result=0, "Pump(System:"=16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14bed30=0, "__utac__get_this_argtype"=24, "\n"=0, ") "=0, "\n"=36, retValue_acc=1, "i > 0 && i <= this->argsCount"=23, tmp___2=156, tmp___0=0, splverifierCounter=0, "libacc.c"=0, "CRIT"=11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@359482d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56898dc7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@319257cf=156, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@17213e8a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@35812913=0, "libacc.c"=29, tmp=0, head=0, ",Pump:"=14, "Off"=0, "libacc.c"=26, retValue_acc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 292]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L202] FCALL "Env(Water:%i" [L203] FCALL ",Meth:" [L207] FCALL "CRIT" [L211] FCALL "OK" [L215] FCALL ")" [L455] FCALL "Pump(System:" [L459] FCALL "On" [L463] FCALL "Off" [L467] FCALL ",Pump:" [L471] FCALL "On" [L475] FCALL "Off" [L479] FCALL ") " [L481] FCALL "\n" [L843] FCALL "i > 0 && i <= this->argsCount" [L843] FCALL "libacc.c" [L844] FCALL "__utac__get_this_arg" [L850] FCALL "i > 0 && i <= this->argsCount" [L850] FCALL "libacc.c" [L851] FCALL "__utac__get_this_arg" [L889] FCALL "i > 0 && i <= this->argsCount" [L889] FCALL "libacc.c" [L890] FCALL "__utac__get_this_argtype" [L896] FCALL "i > 0 && i <= this->argsCount" [L896] FCALL "libacc.c" [L897] FCALL "__utac__get_this_argtype" [L40] int cleanupTimeShifts = 4; [L150] int waterLevel = 1; [L151] int methaneLevelCritical = 0; [L232] int switchedOnBeforeTS ; [L351] int pumpRunning = 0; [L352] int systemActive = 1; [L715] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L123] int retValue_acc ; [L124] int tmp ; [L128] FCALL select_helpers() [L129] FCALL select_features() [L130] CALL, EXPR valid_product() [L537] int retValue_acc ; [L540] retValue_acc = 1 [L541] RET return (retValue_acc); [L130] EXPR valid_product() [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L134] FCALL setup() [L135] CALL runTest() [L113] CALL __utac_acc__Specification5_spec__1() [L237] RET switchedOnBeforeTS = 0 [L113] __utac_acc__Specification5_spec__1() [L114] CALL test() [L283] int splverifierCounter ; [L284] int tmp ; [L285] int tmp___0 ; [L286] int tmp___1 ; [L287] int tmp___2 ; [L290] splverifierCounter = 0 Loop: [L292] COND TRUE 1 [L294] COND TRUE splverifierCounter < 4 [L300] tmp = __VERIFIER_nondet_int() [L302] COND FALSE !(\read(tmp)) [L310] tmp___0 = __VERIFIER_nondet_int() [L312] COND FALSE !(\read(tmp___0)) [L320] tmp___2 = __VERIFIER_nondet_int() [L322] COND TRUE \read(tmp___2) [L337] CALL timeShift() [L359] CALL __utac_acc__Specification5_spec__2() [L246] CALL, EXPR isPumpRunning() [L442] int retValue_acc ; [L445] retValue_acc = pumpRunning [L446] RET return (retValue_acc); [L246] EXPR isPumpRunning() [L246] RET switchedOnBeforeTS = isPumpRunning() [L359] __utac_acc__Specification5_spec__2() [L361] COND FALSE !(\read(pumpRunning)) [L368] COND TRUE \read(systemActive) [L370] CALL processEnvironment() [L390] int tmp ; [L393] COND FALSE !(\read(pumpRunning)) [L408] RET, FCALL processEnvironment__wrappee__base() [L370] processEnvironment() [L376] CALL __utac_acc__Specification5_spec__3() [L252] int tmp ; [L253] int tmp___0 ; [L257] CALL, EXPR getWaterLevel() [L221] int retValue_acc ; [L224] retValue_acc = waterLevel [L225] RET return (retValue_acc); [L257] EXPR getWaterLevel() [L257] tmp = getWaterLevel() [L259] COND TRUE tmp != 2 [L261] CALL, EXPR isPumpRunning() [L442] int retValue_acc ; [L445] retValue_acc = pumpRunning [L446] RET return (retValue_acc); [L261] EXPR isPumpRunning() [L261] tmp___0 = isPumpRunning() [L263] COND FALSE, RET !(\read(tmp___0)) [L376] RET __utac_acc__Specification5_spec__3() [L337] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...