./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product50.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_da856d67-fcca-433f-a167-d5b365544979/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_da856d67-fcca-433f-a167-d5b365544979/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_da856d67-fcca-433f-a167-d5b365544979/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_da856d67-fcca-433f-a167-d5b365544979/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_da856d67-fcca-433f-a167-d5b365544979/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_da856d67-fcca-433f-a167-d5b365544979/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 96fab9ebc0a7c1449817f0fde656dfd4d62824fd ............................................................................................................................................................................................................................................................................................................................................................................................................................ 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 01:01:05,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:01:05,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:01:05,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:01:05,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:01:05,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:01:05,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:01:05,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:01:05,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:01:05,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:01:05,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:01:05,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:01:05,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:01:05,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:01:05,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:01:05,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:01:05,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:01:05,286 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:01:05,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:01:05,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:01:05,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:01:05,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:01:05,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:01:05,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:01:05,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:01:05,305 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:01:05,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:01:05,306 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:01:05,307 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:01:05,308 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:01:05,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:01:05,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:01:05,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:01:05,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:01:05,320 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:01:05,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:01:05,321 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:01:05,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:01:05,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:01:05,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:01:05,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:01:05,329 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_da856d67-fcca-433f-a167-d5b365544979/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 01:01:05,354 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:01:05,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:01:05,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:01:05,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:01:05,357 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 01:01:05,357 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 01:01:05,358 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 01:01:05,358 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 01:01:05,358 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 01:01:05,358 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 01:01:05,359 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 01:01:05,360 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:01:05,360 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 01:01:05,360 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 01:01:05,360 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 01:01:05,360 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 01:01:05,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:01:05,361 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 01:01:05,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 01:01:05,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 01:01:05,362 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 01:01:05,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:01:05,363 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 01:01:05,363 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:01:05,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 01:01:05,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:01:05,363 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 01:01:05,364 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 01:01:05,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:01:05,364 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 01:01:05,364 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 01:01:05,366 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 01:01:05,366 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_da856d67-fcca-433f-a167-d5b365544979/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 -> 96fab9ebc0a7c1449817f0fde656dfd4d62824fd [2019-11-20 01:01:05,553 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:01:05,567 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:01:05,573 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:01:05,577 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:01:05,578 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:01:05,579 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_da856d67-fcca-433f-a167-d5b365544979/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c [2019-11-20 01:01:05,648 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_da856d67-fcca-433f-a167-d5b365544979/bin/uautomizer/data/7c26be904/068d0f1d9d6344c38d4154ff2642f4ee/FLAG6d8603058 [2019-11-20 01:01:06,088 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:01:06,089 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_da856d67-fcca-433f-a167-d5b365544979/sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c [2019-11-20 01:01:06,106 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_da856d67-fcca-433f-a167-d5b365544979/bin/uautomizer/data/7c26be904/068d0f1d9d6344c38d4154ff2642f4ee/FLAG6d8603058 [2019-11-20 01:01:06,408 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_da856d67-fcca-433f-a167-d5b365544979/bin/uautomizer/data/7c26be904/068d0f1d9d6344c38d4154ff2642f4ee [2019-11-20 01:01:06,411 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:01:06,412 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:01:06,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:01:06,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:01:06,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:01:06,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:01:06" (1/1) ... [2019-11-20 01:01:06,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47429033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:01:06, skipping insertion in model container [2019-11-20 01:01:06,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:01:06" (1/1) ... [2019-11-20 01:01:06,426 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:01:06,481 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:01:06,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:01:06,848 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:01:06,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:01:06,967 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:01:06,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:01:06 WrapperNode [2019-11-20 01:01:06,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:01:06,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:01:06,968 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:01:06,968 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:01:06,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:01:06" (1/1) ... [2019-11-20 01:01:06,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:01:06" (1/1) ... [2019-11-20 01:01:07,047 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:01:07,048 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:01:07,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:01:07,048 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:01:07,059 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:01:06" (1/1) ... [2019-11-20 01:01:07,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:01:06" (1/1) ... [2019-11-20 01:01:07,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:01:06" (1/1) ... [2019-11-20 01:01:07,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:01:06" (1/1) ... [2019-11-20 01:01:07,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:01:06" (1/1) ... [2019-11-20 01:01:07,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:01:06" (1/1) ... [2019-11-20 01:01:07,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:01:06" (1/1) ... [2019-11-20 01:01:07,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:01:07,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:01:07,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:01:07,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:01:07,099 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:01:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_da856d67-fcca-433f-a167-d5b365544979/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 01:01:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 01:01:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 01:01:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:01:07,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:01:08,114 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:01:08,114 INFO L285 CfgBuilder]: Removed 158 assume(true) statements. [2019-11-20 01:01:08,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:01:08 BoogieIcfgContainer [2019-11-20 01:01:08,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:01:08,116 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 01:01:08,116 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 01:01:08,120 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 01:01:08,120 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:01:08,121 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 01:01:06" (1/3) ... [2019-11-20 01:01:08,122 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@139fe6f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 01:01:08, skipping insertion in model container [2019-11-20 01:01:08,122 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:01:08,122 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:01:06" (2/3) ... [2019-11-20 01:01:08,123 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@139fe6f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 01:01:08, skipping insertion in model container [2019-11-20 01:01:08,123 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:01:08,123 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:01:08" (3/3) ... [2019-11-20 01:01:08,127 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product50.cil.c [2019-11-20 01:01:08,182 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 01:01:08,183 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 01:01:08,183 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 01:01:08,183 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 01:01:08,184 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 01:01:08,184 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 01:01:08,184 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 01:01:08,184 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 01:01:08,207 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states. [2019-11-20 01:01:08,262 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2019-11-20 01:01:08,262 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:01:08,262 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:01:08,273 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 01:01:08,273 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:01:08,273 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 01:01:08,273 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states. [2019-11-20 01:01:08,293 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2019-11-20 01:01:08,293 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:01:08,293 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:01:08,294 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 01:01:08,294 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:01:08,308 INFO L794 eck$LassoCheckResult]: Stem: 63#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1); 10#L-1true havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; 46#L570true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 50#L578true main_#t~ret37 := valid_product_#res;main_~tmp~4 := main_#t~ret37;havoc main_#t~ret37; 98#L525true assume 0 != main_~tmp~4; 64#L498true havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 16#L417-1true [2019-11-20 01:01:08,309 INFO L796 eck$LassoCheckResult]: Loop: 16#L417-1true assume !false; 4#L910true assume test_~splverifierCounter~0 < 4; 68#L911true test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; 73#L919true assume !(0 != test_~tmp~9); 77#L919-1true test_~tmp___0~3 := test_#t~nondet71;havoc test_#t~nondet71; 14#L929true assume !(0 != test_~tmp___0~3); 17#L929-1true test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 40#L939true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 44#L947-2true assume !(0 != ~pumpRunning~0); 112#L701true assume !(0 != ~systemActive~0); 29#L708true havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 74#L663true __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; 15#L417true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 16#L417-1true [2019-11-20 01:01:08,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:01:08,315 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-20 01:01:08,323 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:01:08,323 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015877420] [2019-11-20 01:01:08,324 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:01:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:01:08,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:01:08,733 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:01:08,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:01:08,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1678820861, now seen corresponding path program 1 times [2019-11-20 01:01:08,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:01:08,735 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653742234] [2019-11-20 01:01:08,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:01:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:01:08,776 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 01:01:08,776 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653742234] [2019-11-20 01:01:08,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:01:08,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 01:01:08,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61788144] [2019-11-20 01:01:08,782 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 01:01:08,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:01:08,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 01:01:08,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 01:01:08,795 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 3 states. [2019-11-20 01:01:08,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:01:08,853 INFO L93 Difference]: Finished difference Result 114 states and 164 transitions. [2019-11-20 01:01:08,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 01:01:08,855 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 164 transitions. [2019-11-20 01:01:08,858 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2019-11-20 01:01:08,863 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 107 states and 156 transitions. [2019-11-20 01:01:08,871 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 107 [2019-11-20 01:01:08,872 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 107 [2019-11-20 01:01:08,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 107 states and 156 transitions. [2019-11-20 01:01:08,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 01:01:08,874 INFO L688 BuchiCegarLoop]: Abstraction has 107 states and 156 transitions. [2019-11-20 01:01:08,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states and 156 transitions. [2019-11-20 01:01:08,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-11-20 01:01:08,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-11-20 01:01:08,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 156 transitions. [2019-11-20 01:01:08,907 INFO L711 BuchiCegarLoop]: Abstraction has 107 states and 156 transitions. [2019-11-20 01:01:08,907 INFO L591 BuchiCegarLoop]: Abstraction has 107 states and 156 transitions. [2019-11-20 01:01:08,907 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 01:01:08,907 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states and 156 transitions. [2019-11-20 01:01:08,910 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2019-11-20 01:01:08,910 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:01:08,911 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:01:08,911 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 01:01:08,911 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:01:08,912 INFO L794 eck$LassoCheckResult]: Stem: 322#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1); 252#L-1 havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; 253#L570 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 304#L578 main_#t~ret37 := valid_product_#res;main_~tmp~4 := main_#t~ret37;havoc main_#t~ret37; 309#L525 assume 0 != main_~tmp~4; 323#L498 havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 263#L417-1 [2019-11-20 01:01:08,912 INFO L796 eck$LassoCheckResult]: Loop: 263#L417-1 assume !false; 239#L910 assume test_~splverifierCounter~0 < 4; 240#L911 test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; 325#L919 assume !(0 != test_~tmp~9); 295#L919-1 test_~tmp___0~3 := test_#t~nondet71;havoc test_#t~nondet71; 259#L929 assume !(0 != test_~tmp___0~3); 260#L929-1 test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 265#L939 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 298#L947-2 assume !(0 != ~pumpRunning~0); 302#L701 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 340#L759 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; 277#L733-1 assume !(0 == ~pumpRunning~0); 275#L708 havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 284#L663 __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; 262#L417 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 263#L417-1 [2019-11-20 01:01:08,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:01:08,912 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-20 01:01:08,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:01:08,913 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646714267] [2019-11-20 01:01:08,913 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:01:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:01:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:01:09,014 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:01:09,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:01:09,015 INFO L82 PathProgramCache]: Analyzing trace with hash -1079829887, now seen corresponding path program 1 times [2019-11-20 01:01:09,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:01:09,015 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903149152] [2019-11-20 01:01:09,015 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:01:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:01:09,038 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 01:01:09,039 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903149152] [2019-11-20 01:01:09,039 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:01:09,039 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 01:01:09,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363438161] [2019-11-20 01:01:09,040 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 01:01:09,040 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:01:09,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 01:01:09,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 01:01:09,041 INFO L87 Difference]: Start difference. First operand 107 states and 156 transitions. cyclomatic complexity: 51 Second operand 3 states. [2019-11-20 01:01:09,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:01:09,173 INFO L93 Difference]: Finished difference Result 148 states and 204 transitions. [2019-11-20 01:01:09,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 01:01:09,174 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 148 states and 204 transitions. [2019-11-20 01:01:09,177 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2019-11-20 01:01:09,179 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 148 states to 148 states and 204 transitions. [2019-11-20 01:01:09,179 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 148 [2019-11-20 01:01:09,180 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 148 [2019-11-20 01:01:09,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 148 states and 204 transitions. [2019-11-20 01:01:09,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 01:01:09,182 INFO L688 BuchiCegarLoop]: Abstraction has 148 states and 204 transitions. [2019-11-20 01:01:09,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states and 204 transitions. [2019-11-20 01:01:09,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2019-11-20 01:01:09,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-11-20 01:01:09,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 204 transitions. [2019-11-20 01:01:09,192 INFO L711 BuchiCegarLoop]: Abstraction has 148 states and 204 transitions. [2019-11-20 01:01:09,192 INFO L591 BuchiCegarLoop]: Abstraction has 148 states and 204 transitions. [2019-11-20 01:01:09,193 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 01:01:09,193 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 148 states and 204 transitions. [2019-11-20 01:01:09,194 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2019-11-20 01:01:09,194 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:01:09,195 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:01:09,196 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 01:01:09,196 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 01:01:09,196 INFO L794 eck$LassoCheckResult]: Stem: 585#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1); 513#L-1 havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; 514#L570 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 567#L578 main_#t~ret37 := valid_product_#res;main_~tmp~4 := main_#t~ret37;havoc main_#t~ret37; 572#L525 assume 0 != main_~tmp~4; 586#L498 havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 587#L417-1 [2019-11-20 01:01:09,196 INFO L796 eck$LassoCheckResult]: Loop: 587#L417-1 assume !false; 637#L910 assume test_~splverifierCounter~0 < 4; 636#L911 test_~tmp~9 := test_#t~nondet70;havoc test_#t~nondet70; 594#L919 assume !(0 != test_~tmp~9); 558#L919-1 test_~tmp___0~3 := test_#t~nondet71;havoc test_#t~nondet71; 520#L929 assume !(0 != test_~tmp___0~3); 521#L929-1 test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 526#L939 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 562#L947-2 assume !(0 != ~pumpRunning~0); 566#L701 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 608#L759 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; 538#L733-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret68, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 539#L671-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 503#L676-1 isHighWaterLevel_#t~ret68 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret68;havoc isHighWaterLevel_#t~ret68; 504#L861-3 assume 0 != isHighWaterLevel_~tmp~7;isHighWaterLevel_~tmp___0~1 := 0; 592#L861-5 isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; 573#L867-1 processEnvironment__wrappee__highWaterSensor_#t~ret49 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret49;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49; 574#L737-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5); 560#L708 havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 641#L663 __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; 639#L417 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 587#L417-1 [2019-11-20 01:01:09,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:01:09,197 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-11-20 01:01:09,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:01:09,197 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577555001] [2019-11-20 01:01:09,198 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:01:09,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:01:09,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:01:09,286 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:01:09,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:01:09,287 INFO L82 PathProgramCache]: Analyzing trace with hash -246413043, now seen corresponding path program 1 times [2019-11-20 01:01:09,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:01:09,287 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229498084] [2019-11-20 01:01:09,287 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:01:09,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:01:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:01:09,305 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:01:09,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:01:09,305 INFO L82 PathProgramCache]: Analyzing trace with hash 209658151, now seen corresponding path program 1 times [2019-11-20 01:01:09,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:01:09,306 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808273568] [2019-11-20 01:01:09,306 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:01:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:01:09,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:01:09,437 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:01:09,627 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-11-20 01:01:39,248 WARN L191 SmtUtils]: Spent 29.51 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-20 01:01:53,252 WARN L191 SmtUtils]: Spent 14.00 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-20 01:01:53,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 01:01:53 BoogieIcfgContainer [2019-11-20 01:01:53,327 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 01:01:53,328 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:01:53,328 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:01:53,328 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:01:53,329 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:01:08" (3/4) ... [2019-11-20 01:01:53,331 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-20 01:01:53,404 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_da856d67-fcca-433f-a167-d5b365544979/bin/uautomizer/witness.graphml [2019-11-20 01:01:53,408 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:01:53,409 INFO L168 Benchmark]: Toolchain (without parser) took 46997.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 188.7 MB). Free memory was 939.3 MB in the beginning and 1.0 GB in the end (delta: -71.8 MB). Peak memory consumption was 117.0 MB. Max. memory is 11.5 GB. [2019-11-20 01:01:53,410 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:01:53,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 554.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -182.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-20 01:01:53,411 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.15 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 01:01:53,411 INFO L168 Benchmark]: Boogie Preprocessor took 50.30 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 01:01:53,411 INFO L168 Benchmark]: RCFGBuilder took 1017.23 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 01:01:53,412 INFO L168 Benchmark]: BuchiAutomizer took 45211.61 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 44.6 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 30.6 MB). Peak memory consumption was 222.0 MB. Max. memory is 11.5 GB. [2019-11-20 01:01:53,412 INFO L168 Benchmark]: Witness Printer took 80.74 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: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. [2019-11-20 01:01:53,414 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 554.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -182.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 79.15 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 50.30 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 1017.23 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 45211.61 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 44.6 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 30.6 MB). Peak memory consumption was 222.0 MB. Max. memory is 11.5 GB. * Witness Printer took 80.74 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: 8.9 MB). Peak memory consumption was 8.9 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 3 locations. The remainder module has 148 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 45.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 44.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 148 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 319 SDtfs, 264 SDslu, 66 SDs, 0 SdLazy, 33 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 909]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=780} State at position 1 is {NULL=0, NULL=805, NULL=0, NULL=0, NULL=780, NULL=804, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79710805=0, retValue_acc=0, NULL=0, NULL=0, NULL=784, NULL=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@dd557b7=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a586e0e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@670b0663=0, NULL=0, NULL=0, tmp___1=0, tmp=0, NULL=791, NULL=789, NULL=785, tmp___0=0, NULL=801, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@19cb2ab2=0, NULL=798, NULL=788, tmp=0, NULL=802, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, \result=0, NULL=794, NULL=0, NULL=0, NULL=0, \result=1, NULL=787, head=0, pumpRunning=0, retValue_acc=1, NULL=800, \result=0, NULL=786, tmp=1, NULL=0, NULL=0, retValue_acc=1, \result=1, NULL=803, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5391831a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d66ba72=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13fd891c=61, NULL=783, NULL=795, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a6f25d3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1526400c=0, NULL=792, retValue_acc=0, tmp=1, tmp=1, tmp___0=0, retValue_acc=1, tmp___2=61, NULL=793, splverifierCounter=0, NULL=0, NULL=797, head=0, NULL=0, NULL=796, tmp=0, NULL=782, NULL=0, NULL=781, NULL=0, NULL=0, NULL=799, NULL=0, NULL=790} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L435] int cleanupTimeShifts = 4; [L588] int waterLevel = 1; [L589] int methaneLevelCritical = 0; [L694] int pumpRunning = 0; [L695] int systemActive = 1; [L516] int retValue_acc ; [L517] int tmp ; [L574] int retValue_acc ; [L577] retValue_acc = 1 [L578] return (retValue_acc); [L523] tmp = valid_product() [L525] COND TRUE \read(tmp) [L900] int splverifierCounter ; [L901] int tmp ; [L902] int tmp___0 ; [L903] int tmp___1 ; [L904] int tmp___2 ; [L907] splverifierCounter = 0 Loop: [L909] COND TRUE 1 [L911] COND TRUE splverifierCounter < 4 [L917] tmp = __VERIFIER_nondet_int() [L919] COND FALSE !(\read(tmp)) [L927] tmp___0 = __VERIFIER_nondet_int() [L929] COND FALSE !(\read(tmp___0)) [L937] tmp___2 = __VERIFIER_nondet_int() [L939] COND TRUE \read(tmp___2) [L894] systemActive = 1 [L701] COND FALSE !(\read(pumpRunning)) [L708] COND TRUE \read(systemActive) [L756] int tmp ; [L759] COND FALSE !(\read(pumpRunning)) [L730] int tmp ; [L733] COND TRUE ! pumpRunning [L853] int retValue_acc ; [L854] int tmp ; [L855] int tmp___0 ; [L668] int retValue_acc ; [L671] COND TRUE waterLevel < 2 [L672] retValue_acc = 1 [L673] return (retValue_acc); [L859] tmp = isHighWaterSensorDry() [L861] COND TRUE \read(tmp) [L862] tmp___0 = 0 [L866] retValue_acc = tmp___0 [L867] return (retValue_acc); [L735] tmp = isHighWaterLevel() [L737] COND FALSE !(\read(tmp)) [L410] int tmp ; [L411] int tmp___0 ; [L659] int retValue_acc ; [L662] retValue_acc = waterLevel [L663] return (retValue_acc); [L415] tmp = getWaterLevel() [L417] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...