./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cc6387c2-a134-4190-980d-c8341633bfed/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cc6387c2-a134-4190-980d-c8341633bfed/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cc6387c2-a134-4190-980d-c8341633bfed/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cc6387c2-a134-4190-980d-c8341633bfed/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cc6387c2-a134-4190-980d-c8341633bfed/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cc6387c2-a134-4190-980d-c8341633bfed/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 b261f373c94d4201e773fd055c7f1efffffc1032 ................................................................................................................................................................................................................................................................................................................................................................... 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-cad4683 [2019-10-22 08:56:42,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:56:42,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:56:42,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:56:42,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:56:42,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:56:42,955 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:56:42,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:56:42,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:56:42,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:56:42,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:56:42,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:56:42,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:56:42,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:56:42,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:56:42,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:56:42,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:56:42,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:56:42,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:56:42,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:56:42,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:56:42,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:56:42,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:56:42,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:56:42,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:56:42,987 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:56:42,988 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:56:42,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:56:42,992 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:56:42,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:56:42,993 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:56:42,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:56:42,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:56:42,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:56:42,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:56:42,995 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:56:42,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:56:42,997 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:56:42,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:56:42,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:56:43,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:56:43,002 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cc6387c2-a134-4190-980d-c8341633bfed/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 08:56:43,027 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:56:43,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:56:43,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:56:43,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:56:43,030 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:56:43,030 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:56:43,030 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:56:43,030 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:56:43,031 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:56:43,031 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:56:43,032 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:56:43,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:56:43,032 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:56:43,032 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:56:43,032 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:56:43,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:56:43,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:56:43,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:56:43,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:56:43,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:56:43,034 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:56:43,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:56:43,034 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:56:43,034 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:56:43,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:56:43,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:56:43,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:56:43,035 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:56:43,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:56:43,035 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:56:43,035 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:56:43,037 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:56:43,037 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/working_dir_cc6387c2-a134-4190-980d-c8341633bfed/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 -> b261f373c94d4201e773fd055c7f1efffffc1032 [2019-10-22 08:56:43,061 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:56:43,071 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:56:43,074 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:56:43,076 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:56:43,076 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:56:43,077 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cc6387c2-a134-4190-980d-c8341633bfed/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2019-10-22 08:56:43,129 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cc6387c2-a134-4190-980d-c8341633bfed/bin/uautomizer/data/a74613ebb/af2e40b36dcb42aeb323e4935596d61d/FLAG7fc6f89de [2019-10-22 08:56:43,567 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:56:43,570 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cc6387c2-a134-4190-980d-c8341633bfed/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2019-10-22 08:56:43,580 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cc6387c2-a134-4190-980d-c8341633bfed/bin/uautomizer/data/a74613ebb/af2e40b36dcb42aeb323e4935596d61d/FLAG7fc6f89de [2019-10-22 08:56:43,889 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cc6387c2-a134-4190-980d-c8341633bfed/bin/uautomizer/data/a74613ebb/af2e40b36dcb42aeb323e4935596d61d [2019-10-22 08:56:43,891 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:56:43,892 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:56:43,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:43,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:56:43,897 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:56:43,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:43" (1/1) ... [2019-10-22 08:56:43,900 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e51859d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:43, skipping insertion in model container [2019-10-22 08:56:43,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:43" (1/1) ... [2019-10-22 08:56:43,907 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:56:43,939 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:56:44,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:44,252 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:56:44,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:44,382 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:56:44,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:44 WrapperNode [2019-10-22 08:56:44,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:44,384 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:44,384 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:56:44,384 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:56:44,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:44" (1/1) ... [2019-10-22 08:56:44,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:44" (1/1) ... [2019-10-22 08:56:44,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:44,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:56:44,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:56:44,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:56:44,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:44" (1/1) ... [2019-10-22 08:56:44,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:44" (1/1) ... [2019-10-22 08:56:44,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:44" (1/1) ... [2019-10-22 08:56:44,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:44" (1/1) ... [2019-10-22 08:56:44,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:44" (1/1) ... [2019-10-22 08:56:44,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:44" (1/1) ... [2019-10-22 08:56:44,468 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:44" (1/1) ... [2019-10-22 08:56:44,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:56:44,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:56:44,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:56:44,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:56:44,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cc6387c2-a134-4190-980d-c8341633bfed/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 [2019-10-22 08:56:44,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:56:44,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:56:44,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:56:44,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:56:45,175 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:56:45,176 INFO L284 CfgBuilder]: Removed 98 assume(true) statements. [2019-10-22 08:56:45,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:45 BoogieIcfgContainer [2019-10-22 08:56:45,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:56:45,177 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:56:45,178 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:56:45,181 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:56:45,182 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:45,182 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:56:43" (1/3) ... [2019-10-22 08:56:45,183 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67b4a905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:56:45, skipping insertion in model container [2019-10-22 08:56:45,183 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:45,183 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:44" (2/3) ... [2019-10-22 08:56:45,184 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67b4a905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:56:45, skipping insertion in model container [2019-10-22 08:56:45,184 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:56:45,184 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:45" (3/3) ... [2019-10-22 08:56:45,186 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product06.cil.c [2019-10-22 08:56:45,227 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:56:45,227 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:56:45,227 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:56:45,227 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:56:45,227 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:56:45,227 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:56:45,227 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:56:45,227 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:56:45,243 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states. [2019-10-22 08:56:45,263 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2019-10-22 08:56:45,264 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:56:45,264 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:56:45,269 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:56:45,269 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:45,269 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:56:45,269 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states. [2019-10-22 08:56:45,272 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2019-10-22 08:56:45,273 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:56:45,273 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:56:45,273 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:56:45,273 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:45,278 INFO L791 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~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);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25); 10#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; 5#L855true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 23#L863true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 66#L130true assume 0 != main_~tmp~0; 18#L103true havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 32#L238-1true [2019-10-22 08:56:45,279 INFO L793 eck$LassoCheckResult]: Loop: 32#L238-1true assume !false; 47#L411true assume test_~splverifierCounter~0 < 4; 65#L412true test_~tmp~3 := test_#t~nondet31;havoc test_#t~nondet31; 3#L420true assume !(0 != test_~tmp~3); 4#L420-1true test_~tmp___0~1 := test_#t~nondet32;havoc test_#t~nondet32; 50#L430true assume !(0 != test_~tmp___0~1); 52#L430-1true test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 35#L440true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 42#L448-2true assume !(0 != ~pumpRunning~0); 11#L266true assume !(0 != ~systemActive~0); 53#L273true havoc __utac_acc__Specification4_spec__1_#t~ret11, __utac_acc__Specification4_spec__1_#t~ret12, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~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; 25#L223true __utac_acc__Specification4_spec__1_#t~ret11 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret11;havoc __utac_acc__Specification4_spec__1_#t~ret11; 33#L238true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 32#L238-1true [2019-10-22 08:56:45,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:45,284 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-10-22 08:56:45,291 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:45,291 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906286790] [2019-10-22 08:56:45,292 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:45,292 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:45,292 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:45,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:46,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:46,134 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:46,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:46,136 INFO L82 PathProgramCache]: Analyzing trace with hash -1680944957, now seen corresponding path program 1 times [2019-10-22 08:56:46,136 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:46,136 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553255135] [2019-10-22 08:56:46,136 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:46,136 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:46,137 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:46,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:46,192 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553255135] [2019-10-22 08:56:46,193 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:46,193 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:56:46,193 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849870701] [2019-10-22 08:56:46,198 INFO L808 eck$LassoCheckResult]: loop already infeasible [2019-10-22 08:56:46,200 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:46,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:56:46,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:46,216 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 3 states. [2019-10-22 08:56:46,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:46,252 INFO L93 Difference]: Finished difference Result 66 states and 89 transitions. [2019-10-22 08:56:46,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:56:46,254 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 89 transitions. [2019-10-22 08:56:46,256 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2019-10-22 08:56:46,261 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 59 states and 81 transitions. [2019-10-22 08:56:46,262 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 59 [2019-10-22 08:56:46,262 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2019-10-22 08:56:46,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 81 transitions. [2019-10-22 08:56:46,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:56:46,263 INFO L688 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2019-10-22 08:56:46,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 81 transitions. [2019-10-22 08:56:46,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-10-22 08:56:46,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-10-22 08:56:46,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2019-10-22 08:56:46,291 INFO L711 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2019-10-22 08:56:46,291 INFO L591 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2019-10-22 08:56:46,291 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:56:46,292 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 81 transitions. [2019-10-22 08:56:46,293 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2019-10-22 08:56:46,293 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:56:46,293 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:56:46,293 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:56:46,294 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:46,294 INFO L791 eck$LassoCheckResult]: Stem: 176#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~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);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25); 155#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; 145#L855 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 146#L863 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 172#L130 assume 0 != main_~tmp~0; 164#L103 havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 165#L238-1 [2019-10-22 08:56:46,294 INFO L793 eck$LassoCheckResult]: Loop: 165#L238-1 assume !false; 179#L411 assume test_~splverifierCounter~0 < 4; 193#L412 test_~tmp~3 := test_#t~nondet31;havoc test_#t~nondet31; 141#L420 assume !(0 != test_~tmp~3); 143#L420-1 test_~tmp___0~1 := test_#t~nondet32;havoc test_#t~nondet32; 144#L430 assume !(0 != test_~tmp___0~1); 195#L430-1 test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 180#L440 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 181#L448-2 assume !(0 != ~pumpRunning~0); 156#L266 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret13, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 157#L298 assume !(0 != ~pumpRunning~0); 197#L273 havoc __utac_acc__Specification4_spec__1_#t~ret11, __utac_acc__Specification4_spec__1_#t~ret12, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~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; 174#L223 __utac_acc__Specification4_spec__1_#t~ret11 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret11;havoc __utac_acc__Specification4_spec__1_#t~ret11; 175#L238 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 165#L238-1 [2019-10-22 08:56:46,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:46,295 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-10-22 08:56:46,295 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:46,295 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145245850] [2019-10-22 08:56:46,295 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:46,295 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:46,295 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:46,627 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:46,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:46,629 INFO L82 PathProgramCache]: Analyzing trace with hash -590214405, now seen corresponding path program 1 times [2019-10-22 08:56:46,629 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:46,629 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192171014] [2019-10-22 08:56:46,629 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:46,629 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:46,630 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:46,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:46,640 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:56:46,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:46,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1012825121, now seen corresponding path program 1 times [2019-10-22 08:56:46,640 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:46,641 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179748071] [2019-10-22 08:56:46,641 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:46,641 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:46,641 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:56:46,979 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:07,451 WARN L191 SmtUtils]: Spent 20.33 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-10-22 08:57:19,252 WARN L191 SmtUtils]: Spent 11.80 s on a formula simplification that was a NOOP. DAG size: 449 [2019-10-22 08:57:19,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:57:19 BoogieIcfgContainer [2019-10-22 08:57:19,313 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:57:19,314 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:57:19,314 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:57:19,314 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:57:19,315 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:45" (3/4) ... [2019-10-22 08:57:19,317 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-10-22 08:57:19,358 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cc6387c2-a134-4190-980d-c8341633bfed/bin/uautomizer/witness.graphml [2019-10-22 08:57:19,358 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:57:19,359 INFO L168 Benchmark]: Toolchain (without parser) took 35467.50 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 349.2 MB). Free memory was 944.5 MB in the beginning and 942.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 350.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:19,360 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:19,360 INFO L168 Benchmark]: CACSL2BoogieTranslator took 490.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -194.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:19,361 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.15 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:19,361 INFO L168 Benchmark]: Boogie Preprocessor took 34.10 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. [2019-10-22 08:57:19,361 INFO L168 Benchmark]: RCFGBuilder took 705.59 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: 55.8 MB). Peak memory consumption was 55.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:19,361 INFO L168 Benchmark]: BuchiAutomizer took 34136.02 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 193.5 MB). Free memory was 1.1 GB in the beginning and 955.6 MB in the end (delta: 120.8 MB). Peak memory consumption was 420.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:19,362 INFO L168 Benchmark]: Witness Printer took 44.23 ms. Allocated memory is still 1.4 GB. Free memory was 955.6 MB in the beginning and 942.9 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:19,364 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 490.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -194.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.15 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.10 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 705.59 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: 55.8 MB). Peak memory consumption was 55.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 34136.02 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 193.5 MB). Free memory was 1.1 GB in the beginning and 955.6 MB in the end (delta: 120.8 MB). Peak memory consumption was 420.7 MB. Max. memory is 11.5 GB. * Witness Printer took 44.23 ms. Allocated memory is still 1.4 GB. Free memory was 955.6 MB in the beginning and 942.9 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 59 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 34.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 33.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 59 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 86 SDtfs, 86 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 410]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=7302} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=-20, NULL=-3, NULL=0, retValue_acc=0, NULL=7302, NULL=-7, NULL=-8, NULL=-6, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@20f3305a=0, NULL=-14, tmp=0, NULL=0, NULL=0, NULL=0, NULL=-18, tmp___1=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=-21, tmp___0=0, NULL=-13, cleanupTimeShifts=4, NULL=-16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1eec0491=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ff655fa=56, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=-5, NULL=0, NULL=0, retValue_acc=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=-15, \result=1, NULL=7301, head=0, pumpRunning=0, tmp=1, NULL=-1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7085760c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a95a91f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f66a538=0, NULL=-11, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@157353f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f0e2479=0, NULL=-24, retValue_acc=1, NULL=-23, tmp=1, tmp___2=56, NULL=-22, tmp___0=0, NULL=-19, splverifierCounter=0, NULL=-12, tmp=0, head=0, NULL=0, NULL=0, NULL=-10, NULL=0, NULL=0, NULL=-17, NULL=0, NULL=-2, NULL=-4, NULL=-9} - 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; [L148] int waterLevel = 1; [L149] int methaneLevelCritical = 0; [L259] int pumpRunning = 0; [L260] int systemActive = 1; [L636] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L121] int retValue_acc ; [L122] int tmp ; [L859] int retValue_acc ; [L862] retValue_acc = 1 [L863] return (retValue_acc); [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L401] int splverifierCounter ; [L402] int tmp ; [L403] int tmp___0 ; [L404] int tmp___1 ; [L405] int tmp___2 ; [L408] splverifierCounter = 0 Loop: [L410] COND TRUE 1 [L412] COND TRUE splverifierCounter < 4 [L418] tmp = __VERIFIER_nondet_int() [L420] COND FALSE !(\read(tmp)) [L428] tmp___0 = __VERIFIER_nondet_int() [L430] COND FALSE !(\read(tmp___0)) [L438] tmp___2 = __VERIFIER_nondet_int() [L440] COND TRUE \read(tmp___2) [L395] systemActive = 1 [L266] COND FALSE !(\read(pumpRunning)) [L273] COND TRUE \read(systemActive) [L295] int tmp ; [L298] COND FALSE !(\read(pumpRunning)) [L231] int tmp ; [L232] int tmp___0 ; [L219] int retValue_acc ; [L222] retValue_acc = waterLevel [L223] return (retValue_acc); [L236] tmp = getWaterLevel() [L238] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...