./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_22aa9041-c891-466c-a729-12ea52034af2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_22aa9041-c891-466c-a729-12ea52034af2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_22aa9041-c891-466c-a729-12ea52034af2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_22aa9041-c891-466c-a729-12ea52034af2/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_22aa9041-c891-466c-a729-12ea52034af2/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_22aa9041-c891-466c-a729-12ea52034af2/bin/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 9a3c61d639fd43ae1669bec68db6e5c2c107a6dc ..................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-678e011 [2019-11-20 01:03:09,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:03:09,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:03:09,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:03:09,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:03:09,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:03:09,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:03:09,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:03:09,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:03:09,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:03:09,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:03:09,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:03:09,382 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:03:09,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:03:09,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:03:09,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:03:09,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:03:09,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:03:09,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:03:09,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:03:09,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:03:09,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:03:09,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:03:09,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:03:09,399 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:03:09,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:03:09,400 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:03:09,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:03:09,401 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:03:09,402 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:03:09,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:03:09,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:03:09,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:03:09,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:03:09,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:03:09,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:03:09,407 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:03:09,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:03:09,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:03:09,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:03:09,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:03:09,409 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_22aa9041-c891-466c-a729-12ea52034af2/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 01:03:09,432 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:03:09,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:03:09,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:03:09,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:03:09,434 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 01:03:09,434 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 01:03:09,435 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 01:03:09,435 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 01:03:09,435 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 01:03:09,435 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 01:03:09,435 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 01:03:09,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:03:09,436 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 01:03:09,436 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 01:03:09,436 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 01:03:09,436 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 01:03:09,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:03:09,437 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 01:03:09,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 01:03:09,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 01:03:09,438 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 01:03:09,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:03:09,438 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 01:03:09,438 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:03:09,438 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 01:03:09,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:03:09,439 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 01:03:09,439 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 01:03:09,439 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:03:09,440 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 01:03:09,440 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 01:03:09,441 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 01:03:09,441 INFO L138 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/run_dir_22aa9041-c891-466c-a729-12ea52034af2/bin/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 -> 9a3c61d639fd43ae1669bec68db6e5c2c107a6dc [2019-11-20 01:03:09,629 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:03:09,641 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:03:09,644 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:03:09,645 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:03:09,646 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:03:09,646 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_22aa9041-c891-466c-a729-12ea52034af2/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c [2019-11-20 01:03:09,707 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_22aa9041-c891-466c-a729-12ea52034af2/bin/uautomizer/data/83cf1acda/3c795366c6574e8283625979c3bc561a/FLAG20f2dbdb8 [2019-11-20 01:03:10,129 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:03:10,130 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_22aa9041-c891-466c-a729-12ea52034af2/sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c [2019-11-20 01:03:10,144 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_22aa9041-c891-466c-a729-12ea52034af2/bin/uautomizer/data/83cf1acda/3c795366c6574e8283625979c3bc561a/FLAG20f2dbdb8 [2019-11-20 01:03:10,448 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_22aa9041-c891-466c-a729-12ea52034af2/bin/uautomizer/data/83cf1acda/3c795366c6574e8283625979c3bc561a [2019-11-20 01:03:10,450 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:03:10,451 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:03:10,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:03:10,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:03:10,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:03:10,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:03:10" (1/1) ... [2019-11-20 01:03:10,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22216510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:10, skipping insertion in model container [2019-11-20 01:03:10,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:03:10" (1/1) ... [2019-11-20 01:03:10,467 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:03:10,531 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:03:11,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:03:11,030 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:03:11,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:03:11,149 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:03:11,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:11 WrapperNode [2019-11-20 01:03:11,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:03:11,151 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:03:11,151 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:03:11,151 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:03:11,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:11" (1/1) ... [2019-11-20 01:03:11,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:11" (1/1) ... [2019-11-20 01:03:11,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:03:11,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:03:11,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:03:11,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:03:11,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:11" (1/1) ... [2019-11-20 01:03:11,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:11" (1/1) ... [2019-11-20 01:03:11,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:11" (1/1) ... [2019-11-20 01:03:11,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:11" (1/1) ... [2019-11-20 01:03:11,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:11" (1/1) ... [2019-11-20 01:03:11,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:11" (1/1) ... [2019-11-20 01:03:11,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:11" (1/1) ... [2019-11-20 01:03:11,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:03:11,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:03:11,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:03:11,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:03:11,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22aa9041-c891-466c-a729-12ea52034af2/bin/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 [2019-11-20 01:03:11,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 01:03:11,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 01:03:11,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:03:11,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:03:12,350 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:03:12,351 INFO L285 CfgBuilder]: Removed 162 assume(true) statements. [2019-11-20 01:03:12,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:03:12 BoogieIcfgContainer [2019-11-20 01:03:12,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:03:12,353 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 01:03:12,353 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 01:03:12,356 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 01:03:12,358 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:03:12,358 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 01:03:10" (1/3) ... [2019-11-20 01:03:12,360 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4caf5915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 01:03:12, skipping insertion in model container [2019-11-20 01:03:12,360 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:03:12,360 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:03:11" (2/3) ... [2019-11-20 01:03:12,361 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4caf5915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 01:03:12, skipping insertion in model container [2019-11-20 01:03:12,361 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:03:12,361 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:03:12" (3/3) ... [2019-11-20 01:03:12,363 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product39.cil.c [2019-11-20 01:03:12,415 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 01:03:12,416 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 01:03:12,416 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 01:03:12,416 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 01:03:12,417 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 01:03:12,417 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 01:03:12,417 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 01:03:12,417 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 01:03:12,450 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states. [2019-11-20 01:03:12,486 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2019-11-20 01:03:12,486 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:03:12,487 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:03:12,494 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:03:12,494 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:03:12,494 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 01:03:12,494 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states. [2019-11-20 01:03:12,502 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2019-11-20 01:03:12,504 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:03:12,504 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:03:12,505 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:03:12,507 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:03:12,519 INFO L794 eck$LassoCheckResult]: Stem: 89#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(13);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(80, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(117, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(109, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(112, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(110, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 3 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(32, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25); 5#L-1true havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0; 102#L580true havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 4#L588true main_#t~ret10 := valid_product_#res;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 84#L231true assume 0 != main_~tmp~0; 37#L202true ~methAndRunningLastTime~0 := 0; 86#L253true havoc test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, 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; 85#L264-1true [2019-11-20 01:03:12,520 INFO L796 eck$LassoCheckResult]: Loop: 85#L264-1true assume !false; 6#L307true assume test_~splverifierCounter~0 < 4; 88#L308true test_~tmp~2 := test_#t~nondet13;havoc test_#t~nondet13; 97#L316true assume !(0 != test_~tmp~2); 99#L316-1true test_~tmp___0~1 := test_#t~nondet14;havoc test_#t~nondet14; 21#L326true assume !(0 != test_~tmp___0~1); 23#L326-1true test_~tmp___2~0 := test_#t~nondet15;havoc test_#t~nondet15; 77#L336true assume 0 != test_~tmp___2~0; 57#L342-1true assume !(0 != ~pumpRunning~0); 60#L372true assume !(0 != ~systemActive~0); 113#L379true havoc __utac_acc__Specification2_spec__2_#t~ret11, __utac_acc__Specification2_spec__2_#t~ret12, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 116#L90-1true __utac_acc__Specification2_spec__2_#t~ret11 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret11;havoc __utac_acc__Specification2_spec__2_#t~ret11; 87#L264true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 85#L264-1true [2019-11-20 01:03:12,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:03:12,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-11-20 01:03:12,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:03:12,533 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517006252] [2019-11-20 01:03:12,533 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:03:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:03:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:03:12,898 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:03:12,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:03:12,899 INFO L82 PathProgramCache]: Analyzing trace with hash 12881107, now seen corresponding path program 1 times [2019-11-20 01:03:12,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:03:12,900 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584058920] [2019-11-20 01:03:12,900 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:03:12,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:03:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:03:12,916 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:03:12,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:03:12,918 INFO L82 PathProgramCache]: Analyzing trace with hash 846177613, now seen corresponding path program 1 times [2019-11-20 01:03:12,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:03:12,918 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155034208] [2019-11-20 01:03:12,918 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:03:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:03:13,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:03:13,073 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155034208] [2019-11-20 01:03:13,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:03:13,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 01:03:13,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969732381] [2019-11-20 01:03:13,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:03:13,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 01:03:13,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 01:03:13,216 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 6 states. [2019-11-20 01:03:13,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:03:13,410 INFO L93 Difference]: Finished difference Result 274 states and 397 transitions. [2019-11-20 01:03:13,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 01:03:13,412 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 274 states and 397 transitions. [2019-11-20 01:03:13,421 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 175 [2019-11-20 01:03:13,429 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 274 states to 253 states and 376 transitions. [2019-11-20 01:03:13,430 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 253 [2019-11-20 01:03:13,431 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 253 [2019-11-20 01:03:13,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 253 states and 376 transitions. [2019-11-20 01:03:13,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 01:03:13,434 INFO L688 BuchiCegarLoop]: Abstraction has 253 states and 376 transitions. [2019-11-20 01:03:13,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states and 376 transitions. [2019-11-20 01:03:13,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 151. [2019-11-20 01:03:13,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-11-20 01:03:13,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 223 transitions. [2019-11-20 01:03:13,485 INFO L711 BuchiCegarLoop]: Abstraction has 151 states and 223 transitions. [2019-11-20 01:03:13,485 INFO L591 BuchiCegarLoop]: Abstraction has 151 states and 223 transitions. [2019-11-20 01:03:13,485 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 01:03:13,485 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 151 states and 223 transitions. [2019-11-20 01:03:13,489 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 104 [2019-11-20 01:03:13,489 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:03:13,489 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:03:13,491 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:03:13,491 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:03:13,492 INFO L794 eck$LassoCheckResult]: Stem: 506#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(13);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(80, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(117, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(109, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(112, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(110, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 3 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(32, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25); 410#L-1 havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0; 411#L580 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 408#L588 main_#t~ret10 := valid_product_#res;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 409#L231 assume 0 != main_~tmp~0; 464#L202 ~methAndRunningLastTime~0 := 0; 465#L253 havoc test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, 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; 468#L264-1 [2019-11-20 01:03:13,492 INFO L796 eck$LassoCheckResult]: Loop: 468#L264-1 assume !false; 412#L307 assume test_~splverifierCounter~0 < 4; 413#L308 test_~tmp~2 := test_#t~nondet13;havoc test_#t~nondet13; 505#L316 assume !(0 != test_~tmp~2); 415#L316-1 test_~tmp___0~1 := test_#t~nondet14;havoc test_#t~nondet14; 440#L326 assume !(0 != test_~tmp___0~1); 442#L326-1 test_~tmp___2~0 := test_#t~nondet15;havoc test_#t~nondet15; 443#L336 assume 0 != test_~tmp___2~0; 487#L342-1 assume !(0 != ~pumpRunning~0); 490#L372 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret18, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 474#L430 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret17, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 476#L404-1 assume !(0 == ~pumpRunning~0); 479#L379 havoc __utac_acc__Specification2_spec__2_#t~ret11, __utac_acc__Specification2_spec__2_#t~ret12, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 513#L90-1 __utac_acc__Specification2_spec__2_#t~ret11 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret11;havoc __utac_acc__Specification2_spec__2_#t~ret11; 504#L264 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 468#L264-1 [2019-11-20 01:03:13,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:03:13,493 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-11-20 01:03:13,494 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:03:13,494 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487059942] [2019-11-20 01:03:13,494 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:03:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:03:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:03:13,670 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:03:13,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:03:13,671 INFO L82 PathProgramCache]: Analyzing trace with hash 1348521866, now seen corresponding path program 1 times [2019-11-20 01:03:13,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:03:13,671 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237522144] [2019-11-20 01:03:13,671 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:03:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:03:13,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:03:13,691 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237522144] [2019-11-20 01:03:13,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:03:13,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 01:03:13,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336515854] [2019-11-20 01:03:13,692 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 01:03:13,692 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:03:13,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 01:03:13,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 01:03:13,693 INFO L87 Difference]: Start difference. First operand 151 states and 223 transitions. cyclomatic complexity: 75 Second operand 3 states. [2019-11-20 01:03:13,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:03:13,842 INFO L93 Difference]: Finished difference Result 193 states and 269 transitions. [2019-11-20 01:03:13,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 01:03:13,843 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 193 states and 269 transitions. [2019-11-20 01:03:13,846 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 136 [2019-11-20 01:03:13,849 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 193 states to 193 states and 269 transitions. [2019-11-20 01:03:13,849 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 193 [2019-11-20 01:03:13,850 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 193 [2019-11-20 01:03:13,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 193 states and 269 transitions. [2019-11-20 01:03:13,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 01:03:13,852 INFO L688 BuchiCegarLoop]: Abstraction has 193 states and 269 transitions. [2019-11-20 01:03:13,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states and 269 transitions. [2019-11-20 01:03:13,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2019-11-20 01:03:13,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2019-11-20 01:03:13,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 269 transitions. [2019-11-20 01:03:13,876 INFO L711 BuchiCegarLoop]: Abstraction has 193 states and 269 transitions. [2019-11-20 01:03:13,877 INFO L591 BuchiCegarLoop]: Abstraction has 193 states and 269 transitions. [2019-11-20 01:03:13,877 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 01:03:13,877 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 193 states and 269 transitions. [2019-11-20 01:03:13,880 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 136 [2019-11-20 01:03:13,881 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:03:13,881 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:03:13,883 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:03:13,883 INFO L850 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] [2019-11-20 01:03:13,885 INFO L794 eck$LassoCheckResult]: Stem: 863#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(13);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(80, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(117, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(109, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(112, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(110, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 3 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(32, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25); 760#L-1 havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0; 761#L580 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 758#L588 main_#t~ret10 := valid_product_#res;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 759#L231 assume 0 != main_~tmp~0; 815#L202 ~methAndRunningLastTime~0 := 0; 816#L253 havoc test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, 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; 820#L264-1 [2019-11-20 01:03:13,885 INFO L796 eck$LassoCheckResult]: Loop: 820#L264-1 assume !false; 762#L307 assume test_~splverifierCounter~0 < 4; 763#L308 test_~tmp~2 := test_#t~nondet13;havoc test_#t~nondet13; 862#L316 assume !(0 != test_~tmp~2); 922#L316-1 test_~tmp___0~1 := test_#t~nondet14;havoc test_#t~nondet14; 921#L326 assume !(0 != test_~tmp___0~1); 919#L326-1 test_~tmp___2~0 := test_#t~nondet15;havoc test_#t~nondet15; 917#L336 assume 0 != test_~tmp___2~0; 916#L342-1 assume !(0 != ~pumpRunning~0); 842#L372 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret18, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 826#L430 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret17, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 827#L404-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret36, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 849#L130-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 850#L135-1 isHighWaterLevel_#t~ret36 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret36;havoc isHighWaterLevel_#t~ret36; 822#L532-3 assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~2 := 0; 823#L532-5 isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; 768#L538-1 processEnvironment__wrappee__highWaterSensor_#t~ret17 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~3 := processEnvironment__wrappee__highWaterSensor_#t~ret17;havoc processEnvironment__wrappee__highWaterSensor_#t~ret17; 769#L408-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3); 831#L379 havoc __utac_acc__Specification2_spec__2_#t~ret11, __utac_acc__Specification2_spec__2_#t~ret12, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 874#L90-1 __utac_acc__Specification2_spec__2_#t~ret11 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret11;havoc __utac_acc__Specification2_spec__2_#t~ret11; 860#L264 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 820#L264-1 [2019-11-20 01:03:13,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:03:13,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2019-11-20 01:03:13,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:03:13,887 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114066976] [2019-11-20 01:03:13,887 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:03:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:03:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:03:14,019 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:03:14,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:03:14,019 INFO L82 PathProgramCache]: Analyzing trace with hash -1406211850, now seen corresponding path program 1 times [2019-11-20 01:03:14,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:03:14,020 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748916994] [2019-11-20 01:03:14,020 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:03:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:03:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:03:14,036 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:03:14,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:03:14,044 INFO L82 PathProgramCache]: Analyzing trace with hash 366929776, now seen corresponding path program 1 times [2019-11-20 01:03:14,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:03:14,045 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280758960] [2019-11-20 01:03:14,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:03:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:03:14,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:03:14,128 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:03:14,293 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2019-11-20 01:03:41,610 WARN L191 SmtUtils]: Spent 27.23 s on a formula simplification. DAG size of input: 456 DAG size of output: 404 [2019-11-20 01:03:56,591 WARN L191 SmtUtils]: Spent 14.97 s on a formula simplification that was a NOOP. DAG size: 402 [2019-11-20 01:03:56,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 01:03:56 BoogieIcfgContainer [2019-11-20 01:03:56,664 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 01:03:56,665 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:03:56,665 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:03:56,666 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:03:56,667 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:03:12" (3/4) ... [2019-11-20 01:03:56,669 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-20 01:03:56,731 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_22aa9041-c891-466c-a729-12ea52034af2/bin/uautomizer/witness.graphml [2019-11-20 01:03:56,732 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:03:56,735 INFO L168 Benchmark]: Toolchain (without parser) took 46283.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.9 MB). Free memory was 939.4 MB in the beginning and 1.0 GB in the end (delta: -78.5 MB). Peak memory consumption was 114.4 MB. Max. memory is 11.5 GB. [2019-11-20 01:03:56,736 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:03:56,736 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -182.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-20 01:03:56,737 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 01:03:56,737 INFO L168 Benchmark]: Boogie Preprocessor took 63.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:03:56,738 INFO L168 Benchmark]: RCFGBuilder took 1063.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 65.5 MB). Peak memory consumption was 65.5 MB. Max. memory is 11.5 GB. [2019-11-20 01:03:56,738 INFO L168 Benchmark]: BuchiAutomizer took 44311.48 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 54.0 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 23.0 MB). Peak memory consumption was 234.8 MB. Max. memory is 11.5 GB. [2019-11-20 01:03:56,739 INFO L168 Benchmark]: Witness Printer took 69.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-20 01:03:56,741 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 697.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -182.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 74.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1063.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 65.5 MB). Peak memory consumption was 65.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 44311.48 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 54.0 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 23.0 MB). Peak memory consumption was 234.8 MB. Max. memory is 11.5 GB. * Witness Printer took 69.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. 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 193 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 44.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 43.6s. 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, 102 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 193 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 319 SDtfs, 740 SDslu, 800 SDs, 0 SdLazy, 73 SolverSat, 32 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: 306]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=6176} State at position 1 is {NULL=0, retValue_acc=0, NULL=6181, NULL=6176, retValue_acc=0, NULL=6177, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a5de57=0, NULL=6187, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56f46613=0, tmp___0=0, tmp=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3286220a=0, NULL=0, NULL=0, NULL=6195, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ac36672=0, NULL=6178, NULL=0, tmp___1=0, NULL=6197, retValue_acc=0, NULL=6184, tmp=0, cleanupTimeShifts=4, NULL=6186, NULL=6190, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=6179, NULL=6182, \result=0, NULL=6194, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, tmp=1, NULL=6199, \result=0, NULL=6198, NULL=6183, retValue_acc=1, NULL=0, NULL=0, NULL=0, NULL=6189, \result=1, tmp___0=0, NULL=6180, NULL=6192, retValue_acc=1, NULL=6188, tmp___2=57, tmp=1, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=6196, NULL=6201, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6b74293b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71f9c1ea=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a5870b5=57, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b845210=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f897f6a=0, NULL=6191, head=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@40ed0a8a=0, NULL=6200, NULL=6185, NULL=0, tmp=0, NULL=6193} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L141] int cleanupTimeShifts = 4; [L247] int methAndRunningLastTime ; [L365] int pumpRunning = 0; [L366] int systemActive = 1; [L762] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L222] int retValue_acc ; [L223] int tmp ; [L584] int retValue_acc ; [L587] retValue_acc = 1 [L588] return (retValue_acc); [L229] tmp = valid_product() [L231] COND TRUE \read(tmp) [L252] methAndRunningLastTime = 0 [L297] int splverifierCounter ; [L298] int tmp ; [L299] int tmp___0 ; [L300] int tmp___1 ; [L301] int tmp___2 ; [L304] splverifierCounter = 0 Loop: [L306] COND TRUE 1 [L308] COND TRUE splverifierCounter < 4 [L314] tmp = __VERIFIER_nondet_int() [L316] COND FALSE !(\read(tmp)) [L324] tmp___0 = __VERIFIER_nondet_int() [L326] COND FALSE !(\read(tmp___0)) [L334] tmp___2 = __VERIFIER_nondet_int() [L336] COND TRUE \read(tmp___2) [L372] COND FALSE !(\read(pumpRunning)) [L379] COND TRUE \read(systemActive) [L427] int tmp ; [L430] COND FALSE !(\read(pumpRunning)) [L401] int tmp ; [L404] COND TRUE ! pumpRunning [L524] int retValue_acc ; [L525] int tmp ; [L526] int tmp___0 ; [L127] int retValue_acc ; [L130] COND TRUE waterLevel < 2 [L131] retValue_acc = 1 [L132] return (retValue_acc); [L530] tmp = isHighWaterSensorDry() [L532] COND TRUE \read(tmp) [L533] tmp___0 = 0 [L537] retValue_acc = tmp___0 [L538] return (retValue_acc); [L406] tmp = isHighWaterLevel() [L408] COND FALSE !(\read(tmp)) [L257] int tmp ; [L258] int tmp___0 ; [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L262] tmp = isMethaneLevelCritical() [L264] COND FALSE !(\read(tmp)) [L280] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...