./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product07.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_c8b1c7c4-d6a2-4994-8b0b-46cf991a7a96/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c8b1c7c4-d6a2-4994-8b0b-46cf991a7a96/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c8b1c7c4-d6a2-4994-8b0b-46cf991a7a96/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c8b1c7c4-d6a2-4994-8b0b-46cf991a7a96/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c8b1c7c4-d6a2-4994-8b0b-46cf991a7a96/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c8b1c7c4-d6a2-4994-8b0b-46cf991a7a96/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 ed47af17a01225db794df6404fe947f085302314 ..................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 11:13:01,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 11:13:01,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 11:13:01,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 11:13:01,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 11:13:01,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 11:13:01,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 11:13:01,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 11:13:01,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 11:13:01,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 11:13:01,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 11:13:01,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 11:13:01,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 11:13:01,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 11:13:01,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 11:13:01,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 11:13:01,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 11:13:01,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 11:13:01,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 11:13:01,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 11:13:01,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 11:13:02,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 11:13:02,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 11:13:02,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 11:13:02,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 11:13:02,011 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 11:13:02,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 11:13:02,017 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 11:13:02,018 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 11:13:02,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 11:13:02,020 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 11:13:02,021 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 11:13:02,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 11:13:02,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 11:13:02,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 11:13:02,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 11:13:02,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 11:13:02,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 11:13:02,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 11:13:02,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 11:13:02,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 11:13:02,029 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c8b1c7c4-d6a2-4994-8b0b-46cf991a7a96/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 11:13:02,063 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 11:13:02,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 11:13:02,065 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 11:13:02,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 11:13:02,065 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 11:13:02,066 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 11:13:02,066 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 11:13:02,066 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 11:13:02,066 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 11:13:02,067 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 11:13:02,067 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 11:13:02,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 11:13:02,067 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 11:13:02,068 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 11:13:02,068 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 11:13:02,068 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 11:13:02,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 11:13:02,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 11:13:02,069 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 11:13:02,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 11:13:02,069 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 11:13:02,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 11:13:02,070 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 11:13:02,070 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 11:13:02,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 11:13:02,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 11:13:02,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 11:13:02,071 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 11:13:02,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 11:13:02,071 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 11:13:02,071 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 11:13:02,072 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 11:13:02,073 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_c8b1c7c4-d6a2-4994-8b0b-46cf991a7a96/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 -> ed47af17a01225db794df6404fe947f085302314 [2019-11-20 11:13:02,257 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 11:13:02,271 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 11:13:02,278 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 11:13:02,280 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 11:13:02,280 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 11:13:02,281 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c8b1c7c4-d6a2-4994-8b0b-46cf991a7a96/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c [2019-11-20 11:13:02,345 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c8b1c7c4-d6a2-4994-8b0b-46cf991a7a96/bin/uautomizer/data/82ccb867b/e0ffbf3b55cc4b86949e6a13bb5be842/FLAG29eebf6e1 [2019-11-20 11:13:02,918 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 11:13:02,923 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c8b1c7c4-d6a2-4994-8b0b-46cf991a7a96/sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c [2019-11-20 11:13:02,937 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c8b1c7c4-d6a2-4994-8b0b-46cf991a7a96/bin/uautomizer/data/82ccb867b/e0ffbf3b55cc4b86949e6a13bb5be842/FLAG29eebf6e1 [2019-11-20 11:13:03,161 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c8b1c7c4-d6a2-4994-8b0b-46cf991a7a96/bin/uautomizer/data/82ccb867b/e0ffbf3b55cc4b86949e6a13bb5be842 [2019-11-20 11:13:03,164 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 11:13:03,166 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 11:13:03,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 11:13:03,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 11:13:03,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 11:13:03,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:13:03" (1/1) ... [2019-11-20 11:13:03,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2190a7e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:03, skipping insertion in model container [2019-11-20 11:13:03,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:13:03" (1/1) ... [2019-11-20 11:13:03,183 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 11:13:03,255 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 11:13:03,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:13:03,791 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 11:13:03,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:13:03,925 INFO L192 MainTranslator]: Completed translation [2019-11-20 11:13:03,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:03 WrapperNode [2019-11-20 11:13:03,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 11:13:03,927 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 11:13:03,927 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 11:13:03,927 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 11:13:03,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:03" (1/1) ... [2019-11-20 11:13:03,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:03" (1/1) ... [2019-11-20 11:13:04,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 11:13:04,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 11:13:04,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 11:13:04,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 11:13:04,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:03" (1/1) ... [2019-11-20 11:13:04,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:03" (1/1) ... [2019-11-20 11:13:04,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:03" (1/1) ... [2019-11-20 11:13:04,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:03" (1/1) ... [2019-11-20 11:13:04,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:03" (1/1) ... [2019-11-20 11:13:04,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:03" (1/1) ... [2019-11-20 11:13:04,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:03" (1/1) ... [2019-11-20 11:13:04,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 11:13:04,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 11:13:04,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 11:13:04,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 11:13:04,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8b1c7c4-d6a2-4994-8b0b-46cf991a7a96/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 11:13:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 11:13:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 11:13:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 11:13:04,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 11:13:04,970 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 11:13:04,970 INFO L285 CfgBuilder]: Removed 114 assume(true) statements. [2019-11-20 11:13:04,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:13:04 BoogieIcfgContainer [2019-11-20 11:13:04,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 11:13:04,972 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 11:13:04,972 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 11:13:04,975 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 11:13:04,976 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 11:13:04,976 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 11:13:03" (1/3) ... [2019-11-20 11:13:04,977 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7644d22a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:13:04, skipping insertion in model container [2019-11-20 11:13:04,977 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 11:13:04,978 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:03" (2/3) ... [2019-11-20 11:13:04,978 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7644d22a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:13:04, skipping insertion in model container [2019-11-20 11:13:04,978 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 11:13:04,978 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:13:04" (3/3) ... [2019-11-20 11:13:04,980 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product07.cil.c [2019-11-20 11:13:05,030 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 11:13:05,030 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 11:13:05,030 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 11:13:05,031 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 11:13:05,031 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 11:13:05,031 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 11:13:05,031 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 11:13:05,031 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 11:13:05,047 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states. [2019-11-20 11:13:05,075 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2019-11-20 11:13:05,076 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 11:13:05,076 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 11:13:05,082 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 11:13:05,082 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 11:13:05,082 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 11:13:05,082 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states. [2019-11-20 11:13:05,088 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2019-11-20 11:13:05,089 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 11:13:05,089 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 11:13:05,090 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 11:13:05,090 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 11:13:05,094 INFO L794 eck$LassoCheckResult]: Stem: 39#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~switchedOnBeforeTS~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~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25); 8#L-1true havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 7#L533true havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 16#L541true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 42#L132true assume 0 != main_~tmp~0; 34#L103true ~switchedOnBeforeTS~0 := 0; 41#L238true havoc test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 24#L259-1true [2019-11-20 11:13:05,095 INFO L796 eck$LassoCheckResult]: Loop: 24#L259-1true assume !false; 31#L293true assume test_~splverifierCounter~0 < 4; 47#L294true test_~tmp~2 := test_#t~nondet14;havoc test_#t~nondet14; 77#L302true assume !(0 != test_~tmp~2); 75#L302-1true test_~tmp___0~1 := test_#t~nondet15;havoc test_#t~nondet15; 45#L312true assume !(0 != test_~tmp___0~1); 48#L312-1true test_~tmp___2~0 := test_#t~nondet16;havoc test_#t~nondet16; 33#L322true assume 0 != test_~tmp___2~0; 72#L328-1true havoc __utac_acc__Specification5_spec__2_#t~ret11;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; 13#L446true __utac_acc__Specification5_spec__2_#t~ret11 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret11;havoc __utac_acc__Specification5_spec__2_#t~ret11; 26#L248true assume !(0 != ~pumpRunning~0); 65#L361true assume !(0 != ~systemActive~0); 76#L368true havoc __utac_acc__Specification5_spec__3_#t~ret12, __utac_acc__Specification5_spec__3_#t~ret13, __utac_acc__Specification5_spec__3_~tmp~1, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; 71#L225true __utac_acc__Specification5_spec__3_#t~ret12 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~1 := __utac_acc__Specification5_spec__3_#t~ret12;havoc __utac_acc__Specification5_spec__3_#t~ret12; 28#L259true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1); 24#L259-1true [2019-11-20 11:13:05,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:13:05,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-11-20 11:13:05,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:13:05,108 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028481877] [2019-11-20 11:13:05,108 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:13:05,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:13:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:13:05,448 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 11:13:05,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:13:05,454 INFO L82 PathProgramCache]: Analyzing trace with hash -242168939, now seen corresponding path program 1 times [2019-11-20 11:13:05,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:13:05,455 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432671263] [2019-11-20 11:13:05,455 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:13:05,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:13:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:13:05,499 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 11:13:05,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:13:05,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1691856271, now seen corresponding path program 1 times [2019-11-20 11:13:05,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:13:05,504 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750329545] [2019-11-20 11:13:05,504 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:13:05,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:13:05,709 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 11:13:05,722 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750329545] [2019-11-20 11:13:05,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 11:13:05,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 11:13:05,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646193359] [2019-11-20 11:13:05,888 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2019-11-20 11:13:05,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 11:13:05,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 11:13:05,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 11:13:05,989 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 6 states. [2019-11-20 11:13:06,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 11:13:06,241 INFO L93 Difference]: Finished difference Result 205 states and 280 transitions. [2019-11-20 11:13:06,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 11:13:06,244 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 205 states and 280 transitions. [2019-11-20 11:13:06,254 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 131 [2019-11-20 11:13:06,263 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 205 states to 184 states and 259 transitions. [2019-11-20 11:13:06,265 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 184 [2019-11-20 11:13:06,266 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 184 [2019-11-20 11:13:06,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 184 states and 259 transitions. [2019-11-20 11:13:06,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 11:13:06,269 INFO L688 BuchiCegarLoop]: Abstraction has 184 states and 259 transitions. [2019-11-20 11:13:06,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states and 259 transitions. [2019-11-20 11:13:06,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 119. [2019-11-20 11:13:06,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-11-20 11:13:06,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 167 transitions. [2019-11-20 11:13:06,339 INFO L711 BuchiCegarLoop]: Abstraction has 119 states and 167 transitions. [2019-11-20 11:13:06,339 INFO L591 BuchiCegarLoop]: Abstraction has 119 states and 167 transitions. [2019-11-20 11:13:06,340 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 11:13:06,340 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 119 states and 167 transitions. [2019-11-20 11:13:06,345 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 84 [2019-11-20 11:13:06,346 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 11:13:06,346 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 11:13:06,347 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 11:13:06,347 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 11:13:06,347 INFO L794 eck$LassoCheckResult]: Stem: 354#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~switchedOnBeforeTS~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~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25); 316#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 310#L533 havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 311#L541 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 329#L132 assume 0 != main_~tmp~0; 348#L103 ~switchedOnBeforeTS~0 := 0; 349#L238 havoc test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 306#L259-1 [2019-11-20 11:13:06,348 INFO L796 eck$LassoCheckResult]: Loop: 306#L259-1 assume !false; 338#L293 assume test_~splverifierCounter~0 < 4; 344#L294 test_~tmp~2 := test_#t~nondet14;havoc test_#t~nondet14; 356#L302 assume !(0 != test_~tmp~2); 309#L302-1 test_~tmp___0~1 := test_#t~nondet15;havoc test_#t~nondet15; 355#L312 assume !(0 != test_~tmp___0~1); 353#L312-1 test_~tmp___2~0 := test_#t~nondet16;havoc test_#t~nondet16; 345#L322 assume 0 != test_~tmp___2~0; 347#L328-1 havoc __utac_acc__Specification5_spec__2_#t~ret11;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; 321#L446 __utac_acc__Specification5_spec__2_#t~ret11 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret11;havoc __utac_acc__Specification5_spec__2_#t~ret11; 322#L248 assume !(0 != ~pumpRunning~0); 340#L361 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret18, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 358#L393 assume !(0 != ~pumpRunning~0); 359#L368 havoc __utac_acc__Specification5_spec__3_#t~ret12, __utac_acc__Specification5_spec__3_#t~ret13, __utac_acc__Specification5_spec__3_~tmp~1, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; 370#L225 __utac_acc__Specification5_spec__3_#t~ret12 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~1 := __utac_acc__Specification5_spec__3_#t~ret12;havoc __utac_acc__Specification5_spec__3_#t~ret12; 342#L259 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1); 306#L259-1 [2019-11-20 11:13:06,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:13:06,348 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-11-20 11:13:06,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:13:06,349 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502034771] [2019-11-20 11:13:06,349 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:13:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:13:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:13:06,540 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 11:13:06,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:13:06,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1062169027, now seen corresponding path program 1 times [2019-11-20 11:13:06,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:13:06,542 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815133830] [2019-11-20 11:13:06,542 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:13:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:13:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:13:06,556 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 11:13:06,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:13:06,557 INFO L82 PathProgramCache]: Analyzing trace with hash 887408393, now seen corresponding path program 1 times [2019-11-20 11:13:06,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:13:06,558 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662253823] [2019-11-20 11:13:06,558 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:13:06,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:13:06,645 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 11:13:06,645 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662253823] [2019-11-20 11:13:06,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 11:13:06,648 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 11:13:06,648 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559324371] [2019-11-20 11:13:06,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 11:13:06,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 11:13:06,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 11:13:06,773 INFO L87 Difference]: Start difference. First operand 119 states and 167 transitions. cyclomatic complexity: 51 Second operand 5 states. [2019-11-20 11:13:06,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 11:13:06,967 INFO L93 Difference]: Finished difference Result 316 states and 435 transitions. [2019-11-20 11:13:06,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 11:13:06,969 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 316 states and 435 transitions. [2019-11-20 11:13:06,977 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 162 [2019-11-20 11:13:06,993 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 316 states to 316 states and 435 transitions. [2019-11-20 11:13:06,993 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 316 [2019-11-20 11:13:06,996 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 316 [2019-11-20 11:13:06,996 INFO L73 IsDeterministic]: Start isDeterministic. Operand 316 states and 435 transitions. [2019-11-20 11:13:07,001 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 11:13:07,001 INFO L688 BuchiCegarLoop]: Abstraction has 316 states and 435 transitions. [2019-11-20 11:13:07,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states and 435 transitions. [2019-11-20 11:13:07,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 231. [2019-11-20 11:13:07,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2019-11-20 11:13:07,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 313 transitions. [2019-11-20 11:13:07,030 INFO L711 BuchiCegarLoop]: Abstraction has 231 states and 313 transitions. [2019-11-20 11:13:07,030 INFO L591 BuchiCegarLoop]: Abstraction has 231 states and 313 transitions. [2019-11-20 11:13:07,030 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 11:13:07,030 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 231 states and 313 transitions. [2019-11-20 11:13:07,036 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 162 [2019-11-20 11:13:07,036 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 11:13:07,036 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 11:13:07,038 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 11:13:07,038 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 11:13:07,039 INFO L794 eck$LassoCheckResult]: Stem: 810#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~switchedOnBeforeTS~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~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25); 769#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 761#L533 havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 762#L541 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 781#L132 assume 0 != main_~tmp~0; 804#L103 ~switchedOnBeforeTS~0 := 0; 805#L238 havoc test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 811#L259-1 [2019-11-20 11:13:07,039 INFO L796 eck$LassoCheckResult]: Loop: 811#L259-1 assume !false; 928#L293 assume test_~splverifierCounter~0 < 4; 813#L294 test_~tmp~2 := test_#t~nondet14;havoc test_#t~nondet14; 814#L302 assume !(0 != test_~tmp~2); 958#L302-1 test_~tmp___0~1 := test_#t~nondet15;havoc test_#t~nondet15; 957#L312 assume !(0 != test_~tmp___0~1); 953#L312-1 test_~tmp___2~0 := test_#t~nondet16;havoc test_#t~nondet16; 929#L322 assume 0 != test_~tmp___2~0; 836#L328-1 havoc __utac_acc__Specification5_spec__2_#t~ret11;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; 951#L446 __utac_acc__Specification5_spec__2_#t~ret11 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret11;havoc __utac_acc__Specification5_spec__2_#t~ret11; 950#L248 assume !(0 != ~pumpRunning~0); 949#L361 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret18, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 905#L393 assume !(0 != ~pumpRunning~0); 935#L368 havoc __utac_acc__Specification5_spec__3_#t~ret12, __utac_acc__Specification5_spec__3_#t~ret13, __utac_acc__Specification5_spec__3_~tmp~1, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; 934#L225 __utac_acc__Specification5_spec__3_#t~ret12 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~1 := __utac_acc__Specification5_spec__3_#t~ret12;havoc __utac_acc__Specification5_spec__3_#t~ret12; 933#L259 assume 2 != __utac_acc__Specification5_spec__3_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; 932#L446-1 __utac_acc__Specification5_spec__3_#t~ret13 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret13;havoc __utac_acc__Specification5_spec__3_#t~ret13; 930#L263 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 811#L259-1 [2019-11-20 11:13:07,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:13:07,040 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2019-11-20 11:13:07,041 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:13:07,041 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392630418] [2019-11-20 11:13:07,041 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:13:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:13:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:13:07,206 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 11:13:07,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:13:07,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1457795586, now seen corresponding path program 1 times [2019-11-20 11:13:07,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:13:07,208 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764886901] [2019-11-20 11:13:07,208 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:13:07,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:13:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:13:07,228 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 11:13:07,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:13:07,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1899040316, now seen corresponding path program 1 times [2019-11-20 11:13:07,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 11:13:07,231 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389148994] [2019-11-20 11:13:07,231 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 11:13:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:13:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:13:07,357 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 11:13:07,509 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2019-11-20 11:13:44,733 WARN L191 SmtUtils]: Spent 37.14 s on a formula simplification. DAG size of input: 456 DAG size of output: 404 [2019-11-20 11:14:02,901 WARN L191 SmtUtils]: Spent 18.16 s on a formula simplification that was a NOOP. DAG size: 402 [2019-11-20 11:14:02,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 11:14:02 BoogieIcfgContainer [2019-11-20 11:14:02,981 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 11:14:02,982 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 11:14:02,982 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 11:14:02,982 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 11:14:02,983 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:13:04" (3/4) ... [2019-11-20 11:14:02,986 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-20 11:14:03,049 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c8b1c7c4-d6a2-4994-8b0b-46cf991a7a96/bin/uautomizer/witness.graphml [2019-11-20 11:14:03,049 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 11:14:03,051 INFO L168 Benchmark]: Toolchain (without parser) took 59885.27 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 328.2 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -208.2 MB). Peak memory consumption was 120.0 MB. Max. memory is 11.5 GB. [2019-11-20 11:14:03,052 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 11:14:03,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 759.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -207.1 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-11-20 11:14:03,053 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-20 11:14:03,053 INFO L168 Benchmark]: Boogie Preprocessor took 48.32 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 11:14:03,054 INFO L168 Benchmark]: RCFGBuilder took 914.83 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: 53.7 MB). Peak memory consumption was 53.7 MB. Max. memory is 11.5 GB. [2019-11-20 11:14:03,055 INFO L168 Benchmark]: BuchiAutomizer took 58009.67 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 159.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -66.1 MB). Peak memory consumption was 373.6 MB. Max. memory is 11.5 GB. [2019-11-20 11:14:03,055 INFO L168 Benchmark]: Witness Printer took 67.45 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 11.5 GB. [2019-11-20 11:14:03,058 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 759.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -207.1 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 81.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.32 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 914.83 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: 53.7 MB). Peak memory consumption was 53.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 58009.67 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 159.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -66.1 MB). Peak memory consumption was 373.6 MB. Max. memory is 11.5 GB. * Witness Printer took 67.45 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 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 6 locations. The remainder module has 231 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 57.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 57.2s. Construction of modules took 0.2s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 150 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 231 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 256 SDtfs, 685 SDslu, 870 SDs, 0 SdLazy, 109 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 292]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=9831} State at position 1 is {NULL=0, NULL=0, NULL=9856, NULL=9844, retValue_acc=0, NULL=9831, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@e0bf990=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@201edfc7=0, NULL=9840, NULL=9853, methaneLevelCritical=0, NULL=9848, tmp=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f7273ff=0, NULL=0, NULL=0, NULL=9838, NULL=0, NULL=9849, NULL=0, NULL=9851, tmp=1, tmp___1=0, NULL=9843, NULL=9852, NULL=0, NULL=0, NULL=0, NULL=0, cleanupTimeShifts=4, switchedOnBeforeTS=0, NULL=9845, NULL=9846, \result=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=9855, \result=1, NULL=9832, NULL=0, retValue_acc=1, NULL=9835, NULL=0, NULL=0, NULL=0, NULL=0, NULL=9836, tmp___0=0, \result=1, head=0, pumpRunning=0, tmp=1, NULL=9842, \result=0, NULL=9854, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49cb5b28=0, NULL=9841, NULL=0, NULL=0, NULL=9850, retValue_acc=1, NULL=9837, tmp___2=66, tmp___0=0, splverifierCounter=0, NULL=0, NULL=9833, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57248ca4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45f96155=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38c92dbf=66, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e319eb4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3e7cd27b=0, NULL=9834, tmp=0, head=0, NULL=9847, NULL=0, NULL=9839, retValue_acc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L40] int cleanupTimeShifts = 4; [L150] int waterLevel = 1; [L151] int methaneLevelCritical = 0; [L232] int switchedOnBeforeTS ; [L351] int pumpRunning = 0; [L352] int systemActive = 1; [L715] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L123] int retValue_acc ; [L124] int tmp ; [L537] int retValue_acc ; [L540] retValue_acc = 1 [L541] return (retValue_acc); [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L237] switchedOnBeforeTS = 0 [L283] int splverifierCounter ; [L284] int tmp ; [L285] int tmp___0 ; [L286] int tmp___1 ; [L287] int tmp___2 ; [L290] splverifierCounter = 0 Loop: [L292] COND TRUE 1 [L294] COND TRUE splverifierCounter < 4 [L300] tmp = __VERIFIER_nondet_int() [L302] COND FALSE !(\read(tmp)) [L310] tmp___0 = __VERIFIER_nondet_int() [L312] COND FALSE !(\read(tmp___0)) [L320] tmp___2 = __VERIFIER_nondet_int() [L322] COND TRUE \read(tmp___2) [L442] int retValue_acc ; [L445] retValue_acc = pumpRunning [L446] return (retValue_acc); [L246] switchedOnBeforeTS = isPumpRunning() [L361] COND FALSE !(\read(pumpRunning)) [L368] COND TRUE \read(systemActive) [L390] int tmp ; [L393] COND FALSE !(\read(pumpRunning)) [L252] int tmp ; [L253] int tmp___0 ; [L221] int retValue_acc ; [L224] retValue_acc = waterLevel [L225] return (retValue_acc); [L257] tmp = getWaterLevel() [L259] COND TRUE tmp != 2 [L442] int retValue_acc ; [L445] retValue_acc = pumpRunning [L446] return (retValue_acc); [L261] tmp___0 = isPumpRunning() [L263] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...