./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product31_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6a48fa99-a5a8-4959-9032-77a07d754b7c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6a48fa99-a5a8-4959-9032-77a07d754b7c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6a48fa99-a5a8-4959-9032-77a07d754b7c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6a48fa99-a5a8-4959-9032-77a07d754b7c/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product31_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6a48fa99-a5a8-4959-9032-77a07d754b7c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6a48fa99-a5a8-4959-9032-77a07d754b7c/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 34d3cbbc8b4a786ebf9108ab9ac810ac8aab3a53 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 14:50:36,871 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:50:36,872 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:50:36,878 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:50:36,878 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:50:36,879 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:50:36,880 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:50:36,881 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:50:36,882 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:50:36,883 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:50:36,883 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:50:36,884 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:50:36,884 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:50:36,885 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:50:36,885 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:50:36,886 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:50:36,886 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:50:36,887 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:50:36,889 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:50:36,890 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:50:36,891 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:50:36,891 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:50:36,893 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:50:36,893 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:50:36,893 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:50:36,894 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:50:36,895 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:50:36,895 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:50:36,896 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:50:36,896 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:50:36,896 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:50:36,897 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:50:36,897 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:50:36,897 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:50:36,897 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:50:36,898 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:50:36,898 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6a48fa99-a5a8-4959-9032-77a07d754b7c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 14:50:36,907 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:50:36,908 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:50:36,908 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:50:36,909 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:50:36,909 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 14:50:36,909 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 14:50:36,909 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 14:50:36,909 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 14:50:36,909 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 14:50:36,909 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 14:50:36,910 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 14:50:36,910 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:50:36,910 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:50:36,910 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 14:50:36,910 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:50:36,910 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:50:36,910 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:50:36,911 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 14:50:36,911 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 14:50:36,911 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 14:50:36,911 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:50:36,911 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:50:36,911 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 14:50:36,911 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:50:36,911 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 14:50:36,912 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:50:36,912 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:50:36,912 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 14:50:36,912 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:50:36,912 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 14:50:36,912 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 14:50:36,913 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 14:50:36,913 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_6a48fa99-a5a8-4959-9032-77a07d754b7c/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34d3cbbc8b4a786ebf9108ab9ac810ac8aab3a53 [2018-11-18 14:50:36,936 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:50:36,945 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:50:36,947 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:50:36,949 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:50:36,949 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:50:36,949 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6a48fa99-a5a8-4959-9032-77a07d754b7c/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product31_false-unreach-call_false-termination.cil.c [2018-11-18 14:50:36,990 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6a48fa99-a5a8-4959-9032-77a07d754b7c/bin-2019/uautomizer/data/8ff7c1039/524ec1920d234dc1aaa4eb4d33181722/FLAG324a0041d [2018-11-18 14:50:37,370 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:50:37,370 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6a48fa99-a5a8-4959-9032-77a07d754b7c/sv-benchmarks/c/product-lines/minepump_spec3_product31_false-unreach-call_false-termination.cil.c [2018-11-18 14:50:37,379 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6a48fa99-a5a8-4959-9032-77a07d754b7c/bin-2019/uautomizer/data/8ff7c1039/524ec1920d234dc1aaa4eb4d33181722/FLAG324a0041d [2018-11-18 14:50:37,754 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6a48fa99-a5a8-4959-9032-77a07d754b7c/bin-2019/uautomizer/data/8ff7c1039/524ec1920d234dc1aaa4eb4d33181722 [2018-11-18 14:50:37,757 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:50:37,757 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:50:37,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:50:37,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:50:37,761 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:50:37,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:50:37" (1/1) ... [2018-11-18 14:50:37,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bac6eb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:37, skipping insertion in model container [2018-11-18 14:50:37,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:50:37" (1/1) ... [2018-11-18 14:50:37,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:50:37,799 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:50:37,991 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:50:37,999 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:50:38,093 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:50:38,111 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:50:38,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:38 WrapperNode [2018-11-18 14:50:38,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:50:38,112 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:50:38,112 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:50:38,112 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:50:38,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:38" (1/1) ... [2018-11-18 14:50:38,127 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:38" (1/1) ... [2018-11-18 14:50:38,150 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:50:38,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:50:38,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:50:38,150 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:50:38,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:38" (1/1) ... [2018-11-18 14:50:38,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:38" (1/1) ... [2018-11-18 14:50:38,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:38" (1/1) ... [2018-11-18 14:50:38,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:38" (1/1) ... [2018-11-18 14:50:38,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:38" (1/1) ... [2018-11-18 14:50:38,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:38" (1/1) ... [2018-11-18 14:50:38,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:38" (1/1) ... [2018-11-18 14:50:38,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:50:38,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:50:38,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:50:38,175 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:50:38,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6a48fa99-a5a8-4959-9032-77a07d754b7c/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:50:38,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:50:38,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:50:38,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:50:38,737 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:50:38,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:50:38 BoogieIcfgContainer [2018-11-18 14:50:38,737 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:50:38,738 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 14:50:38,738 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 14:50:38,741 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 14:50:38,742 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:50:38,742 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 02:50:37" (1/3) ... [2018-11-18 14:50:38,743 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@431b54f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 02:50:38, skipping insertion in model container [2018-11-18 14:50:38,743 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:50:38,743 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:38" (2/3) ... [2018-11-18 14:50:38,743 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@431b54f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 02:50:38, skipping insertion in model container [2018-11-18 14:50:38,743 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:50:38,743 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:50:38" (3/3) ... [2018-11-18 14:50:38,745 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product31_false-unreach-call_false-termination.cil.c [2018-11-18 14:50:38,789 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 14:50:38,790 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 14:50:38,790 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 14:50:38,790 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 14:50:38,790 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:50:38,790 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:50:38,790 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 14:50:38,790 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:50:38,790 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 14:50:38,805 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 162 states. [2018-11-18 14:50:38,829 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2018-11-18 14:50:38,830 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:50:38,830 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:50:38,835 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:50:38,835 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:50:38,835 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 14:50:38,835 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 162 states. [2018-11-18 14:50:38,839 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2018-11-18 14:50:38,839 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:50:38,839 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:50:38,840 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:50:38,840 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:50:38,844 INFO L794 eck$LassoCheckResult]: Stem: 113#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 79];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 110];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,3 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 44];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 80];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 117];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 109];#memory_int := #memory_int[#t~string60.base,4 + #t~string60.offset := 112];#memory_int := #memory_int[#t~string60.base,5 + #t~string60.offset := 58];#memory_int := #memory_int[#t~string60.base,6 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 110];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 41];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 32];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 10];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~11, main_~tmp~9;havoc main_~retValue_acc~11;havoc main_~tmp~9;assume { :begin_inline_select_helpers } true; 4#L855true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 100#L848true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 36#L863true main_#t~ret74 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~9 := main_#t~ret74;havoc main_#t~ret74; 86#L950true assume 0 != main_~tmp~9;assume { :begin_inline_setup } true; 147#L927true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 37#L524-3true [2018-11-18 14:50:38,844 INFO L796 eck$LassoCheckResult]: Loop: 37#L524-3true assume true; 49#L524-1true assume !false; 143#L525true assume test_~splverifierCounter~0 < 4; 79#L526true test_~tmp~3 := test_#t~nondet45;havoc test_#t~nondet45; 110#L534true assume !(0 != test_~tmp~3); 91#L534-2true test_~tmp___0~0 := test_#t~nondet46;havoc test_#t~nondet46; 9#L544true assume !(0 != test_~tmp___0~0); 151#L544-2true test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 61#L554true assume 0 != test_~tmp___2~0; 28#L560-2true assume { :begin_inline_timeShift } true; 39#L593true assume !(0 != ~pumpRunning~0); 42#L593-2true assume !(0 != ~systemActive~0); 108#L600-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~8, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~8;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 164#L90-1true __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 41#L805true assume 0 != __utac_acc__Specification3_spec__1_~tmp~8; 11#L811-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 3#L610true assume { :end_inline_timeShift } true; 37#L524-3true [2018-11-18 14:50:38,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:50:38,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 14:50:38,852 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:50:38,853 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:50:38,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:38,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:50:38,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:50:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:50:39,004 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:50:39,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1758878843, now seen corresponding path program 1 times [2018-11-18 14:50:39,005 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:50:39,005 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:50:39,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:39,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:50:39,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:50:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:50:39,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:50:39,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1604406849, now seen corresponding path program 1 times [2018-11-18 14:50:39,017 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:50:39,017 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:50:39,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:39,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:50:39,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:50:39,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:50:39,155 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:50:39,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 14:50:39,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:50:39,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:50:39,234 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 6 states. [2018-11-18 14:50:39,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:50:39,447 INFO L93 Difference]: Finished difference Result 383 states and 494 transitions. [2018-11-18 14:50:39,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 14:50:39,449 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 383 states and 494 transitions. [2018-11-18 14:50:39,456 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 249 [2018-11-18 14:50:39,465 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 383 states to 353 states and 464 transitions. [2018-11-18 14:50:39,466 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 353 [2018-11-18 14:50:39,468 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 353 [2018-11-18 14:50:39,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 353 states and 464 transitions. [2018-11-18 14:50:39,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:50:39,470 INFO L705 BuchiCegarLoop]: Abstraction has 353 states and 464 transitions. [2018-11-18 14:50:39,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states and 464 transitions. [2018-11-18 14:50:39,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 209. [2018-11-18 14:50:39,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-11-18 14:50:39,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 275 transitions. [2018-11-18 14:50:39,502 INFO L728 BuchiCegarLoop]: Abstraction has 209 states and 275 transitions. [2018-11-18 14:50:39,502 INFO L608 BuchiCegarLoop]: Abstraction has 209 states and 275 transitions. [2018-11-18 14:50:39,502 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 14:50:39,502 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 209 states and 275 transitions. [2018-11-18 14:50:39,504 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 148 [2018-11-18 14:50:39,504 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:50:39,504 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:50:39,505 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:50:39,505 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:50:39,505 INFO L794 eck$LassoCheckResult]: Stem: 692#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 79];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 110];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,3 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 44];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 80];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 117];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 109];#memory_int := #memory_int[#t~string60.base,4 + #t~string60.offset := 112];#memory_int := #memory_int[#t~string60.base,5 + #t~string60.offset := 58];#memory_int := #memory_int[#t~string60.base,6 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 110];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 41];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 32];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 10];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 581#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~11, main_~tmp~9;havoc main_~retValue_acc~11;havoc main_~tmp~9;assume { :begin_inline_select_helpers } true; 565#L855 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 566#L848 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 631#L863 main_#t~ret74 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~9 := main_#t~ret74;havoc main_#t~ret74; 632#L950 assume 0 != main_~tmp~9;assume { :begin_inline_setup } true; 672#L927 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 564#L524-3 [2018-11-18 14:50:39,506 INFO L796 eck$LassoCheckResult]: Loop: 564#L524-3 assume true; 633#L524-1 assume !false; 644#L525 assume test_~splverifierCounter~0 < 4; 666#L526 test_~tmp~3 := test_#t~nondet45;havoc test_#t~nondet45; 667#L534 assume !(0 != test_~tmp~3); 583#L534-2 test_~tmp___0~0 := test_#t~nondet46;havoc test_#t~nondet46; 576#L544 assume !(0 != test_~tmp___0~0); 578#L544-2 test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 657#L554 assume 0 != test_~tmp___2~0; 613#L560-2 assume { :begin_inline_timeShift } true; 614#L593 assume !(0 != ~pumpRunning~0); 634#L593-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 623#L651 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret49, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; 624#L625-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 665#L617-3 assume { :end_inline_processEnvironment__wrappee__base } true; 663#L625-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 629#L651-1 assume { :end_inline_processEnvironment } true; 630#L600-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~8, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~8;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 686#L90-1 __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 638#L805 assume 0 != __utac_acc__Specification3_spec__1_~tmp~8; 573#L811-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 563#L610 assume { :end_inline_timeShift } true; 564#L524-3 [2018-11-18 14:50:39,506 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:50:39,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 14:50:39,506 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:50:39,507 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:50:39,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:39,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:50:39,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:50:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:50:39,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:50:39,550 INFO L82 PathProgramCache]: Analyzing trace with hash -1845382963, now seen corresponding path program 1 times [2018-11-18 14:50:39,550 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:50:39,550 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:50:39,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:39,551 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:50:39,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:50:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:50:39,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:50:39,559 INFO L82 PathProgramCache]: Analyzing trace with hash -728540271, now seen corresponding path program 1 times [2018-11-18 14:50:39,559 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:50:39,560 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:50:39,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:39,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:50:39,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:50:39,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:50:39,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:50:39,635 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 14:50:39,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 14:50:39,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 14:50:39,670 INFO L87 Difference]: Start difference. First operand 209 states and 275 transitions. cyclomatic complexity: 69 Second operand 5 states. [2018-11-18 14:50:39,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:50:39,783 INFO L93 Difference]: Finished difference Result 743 states and 981 transitions. [2018-11-18 14:50:39,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 14:50:39,785 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 743 states and 981 transitions. [2018-11-18 14:50:39,790 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 542 [2018-11-18 14:50:39,795 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 743 states to 743 states and 981 transitions. [2018-11-18 14:50:39,795 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 743 [2018-11-18 14:50:39,796 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 743 [2018-11-18 14:50:39,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 743 states and 981 transitions. [2018-11-18 14:50:39,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:50:39,799 INFO L705 BuchiCegarLoop]: Abstraction has 743 states and 981 transitions. [2018-11-18 14:50:39,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states and 981 transitions. [2018-11-18 14:50:39,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 411. [2018-11-18 14:50:39,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2018-11-18 14:50:39,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 535 transitions. [2018-11-18 14:50:39,819 INFO L728 BuchiCegarLoop]: Abstraction has 411 states and 535 transitions. [2018-11-18 14:50:39,819 INFO L608 BuchiCegarLoop]: Abstraction has 411 states and 535 transitions. [2018-11-18 14:50:39,820 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 14:50:39,820 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 411 states and 535 transitions. [2018-11-18 14:50:39,822 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 296 [2018-11-18 14:50:39,822 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:50:39,822 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:50:39,823 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:50:39,823 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:50:39,823 INFO L794 eck$LassoCheckResult]: Stem: 1686#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 79];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 110];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,3 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 44];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 80];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 117];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 109];#memory_int := #memory_int[#t~string60.base,4 + #t~string60.offset := 112];#memory_int := #memory_int[#t~string60.base,5 + #t~string60.offset := 58];#memory_int := #memory_int[#t~string60.base,6 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 110];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 41];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 32];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 10];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 1553#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~11, main_~tmp~9;havoc main_~retValue_acc~11;havoc main_~tmp~9;assume { :begin_inline_select_helpers } true; 1535#L855 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1536#L848 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 1600#L863 main_#t~ret74 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~9 := main_#t~ret74;havoc main_#t~ret74; 1601#L950 assume 0 != main_~tmp~9;assume { :begin_inline_setup } true; 1657#L927 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1715#L524-3 [2018-11-18 14:50:39,823 INFO L796 eck$LassoCheckResult]: Loop: 1715#L524-3 assume true; 1617#L524-1 assume !false; 1618#L525 assume test_~splverifierCounter~0 < 4; 1713#L526 test_~tmp~3 := test_#t~nondet45;havoc test_#t~nondet45; 1917#L534 assume !(0 != test_~tmp~3); 1659#L534-2 test_~tmp___0~0 := test_#t~nondet46;havoc test_#t~nondet46; 1660#L544 assume !(0 != test_~tmp___0~0); 1911#L544-2 test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 1908#L554 assume 0 != test_~tmp___2~0; 1583#L560-2 assume { :begin_inline_timeShift } true; 1584#L593 assume !(0 != ~pumpRunning~0); 1603#L593-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 1590#L651 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret49, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; 1591#L625-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1648#L617-3 assume { :end_inline_processEnvironment__wrappee__base } true; 1647#L625-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1598#L651-1 assume { :end_inline_processEnvironment } true; 1599#L600-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~8, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~8;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 1728#L90-1 __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 1729#L805 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~8);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 1611#L122 __utac_acc__Specification3_spec__1_#t~ret71 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; 1612#L811 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2); 1907#L811-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1906#L610 assume { :end_inline_timeShift } true; 1715#L524-3 [2018-11-18 14:50:39,824 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:50:39,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 14:50:39,830 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:50:39,830 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:50:39,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:39,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:50:39,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:39,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:50:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:50:39,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:50:39,859 INFO L82 PathProgramCache]: Analyzing trace with hash 409719136, now seen corresponding path program 1 times [2018-11-18 14:50:39,860 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:50:39,860 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:50:39,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:39,861 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:50:39,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:39,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:50:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:50:39,867 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:50:39,868 INFO L82 PathProgramCache]: Analyzing trace with hash -46277852, now seen corresponding path program 1 times [2018-11-18 14:50:39,868 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:50:39,868 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:50:39,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:39,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:50:39,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:50:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:50:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:51:27,823 WARN L180 SmtUtils]: Spent 47.84 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 14:51:41,580 WARN L180 SmtUtils]: Spent 13.76 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 14:51:41,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 02:51:41 BoogieIcfgContainer [2018-11-18 14:51:41,660 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 14:51:41,660 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:51:41,661 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:51:41,661 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:51:41,662 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:50:38" (3/4) ... [2018-11-18 14:51:41,665 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 14:51:41,707 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6a48fa99-a5a8-4959-9032-77a07d754b7c/bin-2019/uautomizer/witness.graphml [2018-11-18 14:51:41,707 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:51:41,708 INFO L168 Benchmark]: Toolchain (without parser) took 63950.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 956.6 MB in the beginning and 895.2 MB in the end (delta: 61.4 MB). Peak memory consumption was 227.6 MB. Max. memory is 11.5 GB. [2018-11-18 14:51:41,708 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:51:41,708 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -173.7 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-18 14:51:41,709 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.90 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:51:41,709 INFO L168 Benchmark]: Boogie Preprocessor took 24.39 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:51:41,709 INFO L168 Benchmark]: RCFGBuilder took 562.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. [2018-11-18 14:51:41,709 INFO L168 Benchmark]: BuchiAutomizer took 62922.34 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 27.3 MB). Free memory was 1.0 GB in the beginning and 901.1 MB in the end (delta: 147.7 MB). Peak memory consumption was 185.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:51:41,710 INFO L168 Benchmark]: Witness Printer took 46.51 ms. Allocated memory is still 1.2 GB. Free memory was 901.1 MB in the beginning and 895.2 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:51:41,712 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 353.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -173.7 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.90 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.39 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 562.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 62922.34 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 27.3 MB). Free memory was 1.0 GB in the beginning and 901.1 MB in the end (delta: 147.7 MB). Peak memory consumption was 185.7 MB. Max. memory is 11.5 GB. * Witness Printer took 46.51 ms. Allocated memory is still 1.2 GB. Free memory was 901.1 MB in the beginning and 895.2 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 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 411 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 62.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 62.3s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 476 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 411 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 506 SDtfs, 1501 SDslu, 1848 SDs, 0 SdLazy, 125 SolverSat, 30 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: 524]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, retValue_acc=0, "Off"=0, "On"=0, "Env(Water:%i"=23, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c3e50c=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b7a3833=175, "OK"=19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@61324e84=0, ",Pump:"=0, "libacc.c"=26, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6bd439dd=0, "__utac__get_this_argtype"=0, "Off"=38, "On"=34, methaneLevelCritical=0, "i > 0 && i <= this->argsCount"=24, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50572ebc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d2a41ae=0, tmp=0, "libacc.c"=29, "\n"=0, "__utac__get_this_arg"=12, ") "=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@196477ea=0, "\n"=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57c964ec=0, tmp___1=0, "libacc.c"=16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b557652=0, "i > 0 && i <= this->argsCount"=17, "__utac__get_this_argtype"=27, cleanupTimeShifts=4, "i > 0 && i <= this->argsCount"=14, "__utac__get_this_argtype"=31, tmp=0, tmp___0=1, "libacc.c"=0, NULL=0, systemActive=1, waterLevel=1, \result=1, "libacc.c"=0, "__utac__get_this_arg"=0, "libacc.c"=0, "Off"=35, "Pump(System:"=0, tmp___0=0, ",Pump:"=36, "Off"=0, "On"=0, retValue_acc=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, \result=0, ") "=39, "__utac__get_this_arg"=0, "CRIT"=20, tmp___2=175, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45c42b19=0, "__utac__get_this_arg"=15, splverifierCounter=0, "Env(Water:%i"=0, ",Meth:"=0, ")"=0, "OK"=0, "CRIT"=0, \result=0, ")"=18, tmp___1=0, head=0, "i > 0 && i <= this->argsCount"=0, tmp=0, tmp=1, "libacc.c"=11, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, ",Meth:"=22, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=28, "On"=37, "Pump(System:"=33, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 524]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L99] FCALL "Env(Water:%i" [L100] FCALL ",Meth:" [L104] FCALL "CRIT" [L108] FCALL "OK" [L112] FCALL ")" [L442] FCALL "i > 0 && i <= this->argsCount" [L442] FCALL "libacc.c" [L443] FCALL "__utac__get_this_arg" [L449] FCALL "i > 0 && i <= this->argsCount" [L449] FCALL "libacc.c" [L450] FCALL "__utac__get_this_arg" [L488] FCALL "i > 0 && i <= this->argsCount" [L488] FCALL "libacc.c" [L489] FCALL "__utac__get_this_argtype" [L495] FCALL "i > 0 && i <= this->argsCount" [L495] FCALL "libacc.c" [L496] FCALL "__utac__get_this_argtype" [L730] FCALL "Pump(System:" [L734] FCALL "On" [L738] FCALL "Off" [L742] FCALL ",Pump:" [L746] FCALL "On" [L750] FCALL "Off" [L754] FCALL ") " [L756] FCALL "\n" [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L585] int pumpRunning = 0; [L586] int systemActive = 1; [L868] int cleanupTimeShifts = 4; [L314] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L941] int retValue_acc ; [L942] int tmp ; [L946] FCALL select_helpers() [L947] FCALL select_features() [L948] CALL, EXPR valid_product() [L859] int retValue_acc ; [L862] retValue_acc = 1 [L863] RET return (retValue_acc); [L948] EXPR valid_product() [L948] tmp = valid_product() [L950] COND TRUE \read(tmp) [L952] FCALL setup() [L953] CALL runTest() [L935] CALL test() [L515] int splverifierCounter ; [L516] int tmp ; [L517] int tmp___0 ; [L518] int tmp___1 ; [L519] int tmp___2 ; [L522] splverifierCounter = 0 Loop: [L524] COND TRUE 1 [L526] COND TRUE splverifierCounter < 4 [L532] tmp = __VERIFIER_nondet_int() [L534] COND FALSE !(\read(tmp)) [L542] tmp___0 = __VERIFIER_nondet_int() [L544] COND FALSE !(\read(tmp___0)) [L552] tmp___2 = __VERIFIER_nondet_int() [L554] COND TRUE \read(tmp___2) [L569] CALL timeShift() [L593] COND FALSE !(\read(pumpRunning)) [L600] COND TRUE \read(systemActive) [L602] CALL processEnvironment() [L648] int tmp ; [L651] COND FALSE !(\read(pumpRunning)) [L666] CALL processEnvironment__wrappee__methaneQuery() [L622] int tmp ; [L625] COND FALSE !(\read(pumpRunning)) [L640] RET, FCALL processEnvironment__wrappee__base() [L666] RET processEnvironment__wrappee__methaneQuery() [L602] processEnvironment() [L608] CALL __utac_acc__Specification3_spec__1() [L797] int tmp ; [L798] int tmp___0 ; [L799] int tmp___1 ; [L803] CALL, EXPR isMethaneLevelCritical() [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] RET return (retValue_acc); [L803] EXPR isMethaneLevelCritical() [L803] tmp = isMethaneLevelCritical() [L805] COND FALSE !(\read(tmp)) [L809] CALL, EXPR getWaterLevel() [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] RET return (retValue_acc); [L809] EXPR getWaterLevel() [L809] tmp___0 = getWaterLevel() [L811] COND FALSE, RET !(tmp___0 == 2) [L608] RET __utac_acc__Specification3_spec__1() [L569] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...