./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product37_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_d96d38ac-5ab5-4ab7-b7bd-390eec06aa90/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d96d38ac-5ab5-4ab7-b7bd-390eec06aa90/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d96d38ac-5ab5-4ab7-b7bd-390eec06aa90/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d96d38ac-5ab5-4ab7-b7bd-390eec06aa90/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product37_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d96d38ac-5ab5-4ab7-b7bd-390eec06aa90/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d96d38ac-5ab5-4ab7-b7bd-390eec06aa90/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 903a1f53bc072e1ab483040d7a35aae5e2bdf412 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:36:46,694 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:36:46,695 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:36:46,702 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:36:46,702 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:36:46,703 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:36:46,704 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:36:46,705 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:36:46,706 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:36:46,707 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:36:46,708 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:36:46,708 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:36:46,709 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:36:46,710 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:36:46,711 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:36:46,711 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:36:46,712 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:36:46,714 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:36:46,715 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:36:46,716 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:36:46,718 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:36:46,718 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:36:46,720 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:36:46,720 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:36:46,721 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:36:46,722 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:36:46,722 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:36:46,723 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:36:46,724 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:36:46,724 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:36:46,725 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:36:46,726 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:36:46,726 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:36:46,726 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:36:46,727 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:36:46,727 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:36:46,728 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d96d38ac-5ab5-4ab7-b7bd-390eec06aa90/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 16:36:46,739 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:36:46,740 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:36:46,740 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:36:46,741 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:36:46,741 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 16:36:46,741 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 16:36:46,741 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 16:36:46,742 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 16:36:46,742 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 16:36:46,742 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 16:36:46,742 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 16:36:46,742 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:36:46,742 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:36:46,742 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 16:36:46,742 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:36:46,742 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:36:46,742 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:36:46,743 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 16:36:46,743 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 16:36:46,743 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 16:36:46,743 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:36:46,743 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:36:46,743 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 16:36:46,743 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:36:46,743 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 16:36:46,744 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:36:46,744 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:36:46,744 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 16:36:46,744 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:36:46,744 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 16:36:46,744 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 16:36:46,745 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 16:36:46,746 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_d96d38ac-5ab5-4ab7-b7bd-390eec06aa90/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 -> 903a1f53bc072e1ab483040d7a35aae5e2bdf412 [2018-11-18 16:36:46,768 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:36:46,777 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:36:46,779 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:36:46,780 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:36:46,780 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:36:46,780 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d96d38ac-5ab5-4ab7-b7bd-390eec06aa90/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product37_false-unreach-call_false-termination.cil.c [2018-11-18 16:36:46,828 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d96d38ac-5ab5-4ab7-b7bd-390eec06aa90/bin-2019/uautomizer/data/99aec7935/57e3cbb64b744631b258298ec2a194fa/FLAGf8414beaf [2018-11-18 16:36:47,185 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:36:47,186 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d96d38ac-5ab5-4ab7-b7bd-390eec06aa90/sv-benchmarks/c/product-lines/minepump_spec4_product37_false-unreach-call_false-termination.cil.c [2018-11-18 16:36:47,196 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d96d38ac-5ab5-4ab7-b7bd-390eec06aa90/bin-2019/uautomizer/data/99aec7935/57e3cbb64b744631b258298ec2a194fa/FLAGf8414beaf [2018-11-18 16:36:47,584 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d96d38ac-5ab5-4ab7-b7bd-390eec06aa90/bin-2019/uautomizer/data/99aec7935/57e3cbb64b744631b258298ec2a194fa [2018-11-18 16:36:47,586 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:36:47,587 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:36:47,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:36:47,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:36:47,590 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:36:47,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:36:47" (1/1) ... [2018-11-18 16:36:47,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b5ed404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:47, skipping insertion in model container [2018-11-18 16:36:47,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:36:47" (1/1) ... [2018-11-18 16:36:47,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:36:47,635 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:36:47,832 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:36:47,842 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:36:47,946 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:36:47,963 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:36:47,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:47 WrapperNode [2018-11-18 16:36:47,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:36:47,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:36:47,964 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:36:47,964 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:36:47,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:47" (1/1) ... [2018-11-18 16:36:47,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:47" (1/1) ... [2018-11-18 16:36:48,012 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:36:48,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:36:48,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:36:48,012 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:36:48,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:47" (1/1) ... [2018-11-18 16:36:48,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:47" (1/1) ... [2018-11-18 16:36:48,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:47" (1/1) ... [2018-11-18 16:36:48,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:47" (1/1) ... [2018-11-18 16:36:48,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:47" (1/1) ... [2018-11-18 16:36:48,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:47" (1/1) ... [2018-11-18 16:36:48,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:47" (1/1) ... [2018-11-18 16:36:48,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:36:48,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:36:48,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:36:48,044 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:36:48,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d96d38ac-5ab5-4ab7-b7bd-390eec06aa90/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 16:36:48,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:36:48,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:36:48,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:36:48,751 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:36:48,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:36:48 BoogieIcfgContainer [2018-11-18 16:36:48,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:36:48,752 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 16:36:48,752 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 16:36:48,754 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 16:36:48,755 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:36:48,755 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 04:36:47" (1/3) ... [2018-11-18 16:36:48,756 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20187ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:36:48, skipping insertion in model container [2018-11-18 16:36:48,756 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:36:48,756 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:47" (2/3) ... [2018-11-18 16:36:48,756 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20187ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:36:48, skipping insertion in model container [2018-11-18 16:36:48,757 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:36:48,757 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:36:48" (3/3) ... [2018-11-18 16:36:48,758 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product37_false-unreach-call_false-termination.cil.c [2018-11-18 16:36:48,790 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:36:48,791 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 16:36:48,791 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 16:36:48,791 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 16:36:48,791 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:36:48,791 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:36:48,791 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 16:36:48,791 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:36:48,791 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 16:36:48,804 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 158 states. [2018-11-18 16:36:48,825 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2018-11-18 16:36:48,825 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:36:48,825 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:36:48,830 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:48,830 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 16:36:48,830 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 16:36:48,830 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 158 states. [2018-11-18 16:36:48,834 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2018-11-18 16:36:48,834 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:36:48,834 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:36:48,835 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:48,835 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 16:36:48,838 INFO L794 eck$LassoCheckResult]: Stem: 111#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 110];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 44];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 80];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 117];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 109];#memory_int := #memory_int[#t~string15.base,4 + #t~string15.offset := 112];#memory_int := #memory_int[#t~string15.base,5 + #t~string15.offset := 58];#memory_int := #memory_int[#t~string15.base,6 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 41];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 32];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 10];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(13);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 44];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 77];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 101];#memory_int := #memory_int[#t~string29.base,3 + #t~string29.offset := 116];#memory_int := #memory_int[#t~string29.base,4 + #t~string29.offset := 104];#memory_int := #memory_int[#t~string29.base,5 + #t~string29.offset := 58];#memory_int := #memory_int[#t~string29.base,6 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 67];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 82];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 73];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 84];#memory_int := #memory_int[#t~string31.base,4 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 79];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 75];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 41];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 14#L65true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 71#L58true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 8#L73true main_#t~ret25 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret25;havoc main_#t~ret25; 82#L416true assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 138#L393true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 39#L92-3true [2018-11-18 16:36:48,838 INFO L796 eck$LassoCheckResult]: Loop: 39#L92-3true assume true; 20#L92-1true assume !false; 128#L93true assume test_~splverifierCounter~0 < 4; 66#L94true test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; 76#L102true assume !(0 != test_~tmp~0); 98#L102-2true test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 148#L112true assume !(0 != test_~tmp___0~0); 159#L112-2true test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 41#L122true assume 0 != test_~tmp___2~0; 7#L128-2true assume { :begin_inline_timeShift } true; 70#L163true assume !(0 != ~pumpRunning~0); 69#L163-2true assume !(0 != ~systemActive~0); 134#L170-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 73#L515true __utac_acc__Specification4_spec__1_#t~ret71 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; 125#L908true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 129#L908-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 30#L180true assume { :end_inline_timeShift } true; 39#L92-3true [2018-11-18 16:36:48,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:48,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 16:36:48,845 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:48,846 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:48,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:48,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:48,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:36:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:36:49,004 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:49,004 INFO L82 PathProgramCache]: Analyzing trace with hash -657132173, now seen corresponding path program 1 times [2018-11-18 16:36:49,004 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:49,004 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:49,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:49,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:49,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:36:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:36:49,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:49,018 INFO L82 PathProgramCache]: Analyzing trace with hash -1588813777, now seen corresponding path program 1 times [2018-11-18 16:36:49,018 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:49,018 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:49,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:49,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:49,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:49,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:49,133 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 16:36:49,135 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:49,136 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:36:49,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:36:49,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:36:49,239 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 6 states. [2018-11-18 16:36:49,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:49,347 INFO L93 Difference]: Finished difference Result 155 states and 201 transitions. [2018-11-18 16:36:49,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 16:36:49,349 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 155 states and 201 transitions. [2018-11-18 16:36:49,353 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2018-11-18 16:36:49,358 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 155 states to 145 states and 191 transitions. [2018-11-18 16:36:49,359 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 145 [2018-11-18 16:36:49,360 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 145 [2018-11-18 16:36:49,360 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 191 transitions. [2018-11-18 16:36:49,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:36:49,361 INFO L705 BuchiCegarLoop]: Abstraction has 145 states and 191 transitions. [2018-11-18 16:36:49,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 191 transitions. [2018-11-18 16:36:49,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-11-18 16:36:49,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-11-18 16:36:49,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 191 transitions. [2018-11-18 16:36:49,387 INFO L728 BuchiCegarLoop]: Abstraction has 145 states and 191 transitions. [2018-11-18 16:36:49,388 INFO L608 BuchiCegarLoop]: Abstraction has 145 states and 191 transitions. [2018-11-18 16:36:49,389 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 16:36:49,389 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 145 states and 191 transitions. [2018-11-18 16:36:49,391 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2018-11-18 16:36:49,391 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:36:49,391 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:36:49,392 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:49,392 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 16:36:49,392 INFO L794 eck$LassoCheckResult]: Stem: 463#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 110];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 44];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 80];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 117];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 109];#memory_int := #memory_int[#t~string15.base,4 + #t~string15.offset := 112];#memory_int := #memory_int[#t~string15.base,5 + #t~string15.offset := 58];#memory_int := #memory_int[#t~string15.base,6 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 41];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 32];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 10];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(13);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 44];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 77];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 101];#memory_int := #memory_int[#t~string29.base,3 + #t~string29.offset := 116];#memory_int := #memory_int[#t~string29.base,4 + #t~string29.offset := 104];#memory_int := #memory_int[#t~string29.base,5 + #t~string29.offset := 58];#memory_int := #memory_int[#t~string29.base,6 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 67];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 82];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 73];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 84];#memory_int := #memory_int[#t~string31.base,4 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 79];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 75];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 41];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 345#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 346#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 353#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 341#L73 main_#t~ret25 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret25;havoc main_#t~ret25; 342#L416 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 441#L393 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 379#L92-3 [2018-11-18 16:36:49,392 INFO L796 eck$LassoCheckResult]: Loop: 379#L92-3 assume true; 364#L92-1 assume !false; 365#L93 assume test_~splverifierCounter~0 < 4; 423#L94 test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; 424#L102 assume !(0 != test_~tmp~0); 383#L102-2 test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 454#L112 assume !(0 != test_~tmp___0~0); 471#L112-2 test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 389#L122 assume 0 != test_~tmp___2~0; 339#L128-2 assume { :begin_inline_timeShift } true; 340#L163 assume !(0 != ~pumpRunning~0); 427#L163-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret6, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 407#L221 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret5, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 408#L195-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 465#L187-3 assume { :end_inline_processEnvironment__wrappee__base } true; 466#L195-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 348#L221-1 assume { :end_inline_processEnvironment } true; 401#L170-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 430#L515 __utac_acc__Specification4_spec__1_#t~ret71 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; 431#L908 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 419#L908-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 378#L180 assume { :end_inline_timeShift } true; 379#L92-3 [2018-11-18 16:36:49,393 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:49,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 16:36:49,393 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:49,393 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:49,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:49,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:49,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:36:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:36:49,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:49,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1419580075, now seen corresponding path program 1 times [2018-11-18 16:36:49,441 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:49,441 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:49,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:49,442 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:36:49,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:49,475 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 16:36:49,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:49,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:36:49,475 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 16:36:49,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:36:49,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:36:49,476 INFO L87 Difference]: Start difference. First operand 145 states and 191 transitions. cyclomatic complexity: 48 Second operand 3 states. [2018-11-18 16:36:49,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:49,572 INFO L93 Difference]: Finished difference Result 202 states and 255 transitions. [2018-11-18 16:36:49,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:36:49,572 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 202 states and 255 transitions. [2018-11-18 16:36:49,574 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 142 [2018-11-18 16:36:49,575 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 202 states to 202 states and 255 transitions. [2018-11-18 16:36:49,575 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 202 [2018-11-18 16:36:49,575 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 202 [2018-11-18 16:36:49,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 202 states and 255 transitions. [2018-11-18 16:36:49,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:36:49,576 INFO L705 BuchiCegarLoop]: Abstraction has 202 states and 255 transitions. [2018-11-18 16:36:49,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states and 255 transitions. [2018-11-18 16:36:49,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2018-11-18 16:36:49,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-11-18 16:36:49,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 255 transitions. [2018-11-18 16:36:49,585 INFO L728 BuchiCegarLoop]: Abstraction has 202 states and 255 transitions. [2018-11-18 16:36:49,585 INFO L608 BuchiCegarLoop]: Abstraction has 202 states and 255 transitions. [2018-11-18 16:36:49,585 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 16:36:49,585 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 202 states and 255 transitions. [2018-11-18 16:36:49,587 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 142 [2018-11-18 16:36:49,587 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:36:49,587 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:36:49,587 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:49,588 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, 1, 1, 1, 1] [2018-11-18 16:36:49,588 INFO L794 eck$LassoCheckResult]: Stem: 822#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 110];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 44];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 80];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 117];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 109];#memory_int := #memory_int[#t~string15.base,4 + #t~string15.offset := 112];#memory_int := #memory_int[#t~string15.base,5 + #t~string15.offset := 58];#memory_int := #memory_int[#t~string15.base,6 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 41];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 32];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 10];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(13);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 44];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 77];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 101];#memory_int := #memory_int[#t~string29.base,3 + #t~string29.offset := 116];#memory_int := #memory_int[#t~string29.base,4 + #t~string29.offset := 104];#memory_int := #memory_int[#t~string29.base,5 + #t~string29.offset := 58];#memory_int := #memory_int[#t~string29.base,6 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 67];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 82];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 73];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 84];#memory_int := #memory_int[#t~string31.base,4 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 79];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 75];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 41];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 700#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 701#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 706#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 694#L73 main_#t~ret25 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret25;havoc main_#t~ret25; 695#L416 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 796#L393 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 732#L92-3 [2018-11-18 16:36:49,588 INFO L796 eck$LassoCheckResult]: Loop: 732#L92-3 assume true; 716#L92-1 assume !false; 717#L93 assume test_~splverifierCounter~0 < 4; 829#L94 test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; 883#L102 assume !(0 != test_~tmp~0); 881#L102-2 test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 879#L112 assume !(0 != test_~tmp___0~0); 871#L112-2 test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 869#L122 assume 0 != test_~tmp___2~0; 868#L128-2 assume { :begin_inline_timeShift } true; 780#L163 assume !(0 != ~pumpRunning~0); 779#L163-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret6, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 758#L221 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret5, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 759#L195-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret24, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 819#L523-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 820#L528-1 isHighWaterLevel_#t~ret24 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret24;havoc isHighWaterLevel_#t~ret24; 762#L323-3 assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~1 := 0; 733#L323-5 isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; 704#L329-1 processEnvironment__wrappee__highWaterSensor_#t~ret5 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret5;havoc processEnvironment__wrappee__highWaterSensor_#t~ret5; 705#L199-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1);assume { :begin_inline_processEnvironment__wrappee__base } true; 775#L187-2 assume { :end_inline_processEnvironment__wrappee__base } true; 827#L195-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 699#L221-1 assume { :end_inline_processEnvironment } true; 754#L170-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 783#L515 __utac_acc__Specification4_spec__1_#t~ret71 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; 784#L908 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 772#L908-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 731#L180 assume { :end_inline_timeShift } true; 732#L92-3 [2018-11-18 16:36:49,588 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:49,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 16:36:49,589 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:49,589 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:49,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:49,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:49,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:49,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:36:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:36:49,632 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:49,632 INFO L82 PathProgramCache]: Analyzing trace with hash 886914573, now seen corresponding path program 1 times [2018-11-18 16:36:49,632 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:49,632 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:49,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:49,633 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:36:49,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:36:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:36:49,644 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:49,644 INFO L82 PathProgramCache]: Analyzing trace with hash -364067375, now seen corresponding path program 1 times [2018-11-18 16:36:49,644 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:49,644 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:49,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:49,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:49,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:36:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:36:49,798 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2018-11-18 16:37:16,161 WARN L180 SmtUtils]: Spent 26.33 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 16:37:30,044 WARN L180 SmtUtils]: Spent 13.88 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 16:37:30,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 04:37:30 BoogieIcfgContainer [2018-11-18 16:37:30,106 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 16:37:30,107 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:37:30,107 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:37:30,107 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:37:30,107 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:36:48" (3/4) ... [2018-11-18 16:37:30,110 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 16:37:30,149 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d96d38ac-5ab5-4ab7-b7bd-390eec06aa90/bin-2019/uautomizer/witness.graphml [2018-11-18 16:37:30,149 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:37:30,150 INFO L168 Benchmark]: Toolchain (without parser) took 42563.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 195.6 MB). Free memory was 955.4 MB in the beginning and 791.9 MB in the end (delta: 163.4 MB). Peak memory consumption was 359.0 MB. Max. memory is 11.5 GB. [2018-11-18 16:37:30,150 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:37:30,150 INFO L168 Benchmark]: CACSL2BoogieTranslator took 376.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -148.9 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:37:30,151 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 16:37:30,151 INFO L168 Benchmark]: Boogie Preprocessor took 31.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 16:37:30,151 INFO L168 Benchmark]: RCFGBuilder took 708.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.9 MB). Peak memory consumption was 66.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:37:30,151 INFO L168 Benchmark]: BuchiAutomizer took 41354.54 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 81.3 MB). Free memory was 1.0 GB in the beginning and 797.4 MB in the end (delta: 229.5 MB). Peak memory consumption was 310.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:37:30,152 INFO L168 Benchmark]: Witness Printer took 42.43 ms. Allocated memory is still 1.2 GB. Free memory was 797.4 MB in the beginning and 791.9 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 11.5 GB. [2018-11-18 16:37:30,154 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 376.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -148.9 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 708.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.9 MB). Peak memory consumption was 66.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 41354.54 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 81.3 MB). Free memory was 1.0 GB in the beginning and 797.4 MB in the end (delta: 229.5 MB). Peak memory consumption was 310.8 MB. Max. memory is 11.5 GB. * Witness Printer took 42.43 ms. Allocated memory is still 1.2 GB. Free memory was 797.4 MB in the beginning and 791.9 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 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 202 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 41.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 40.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 202 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 398 SDtfs, 725 SDslu, 92 SDs, 0 SdLazy, 38 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 92]: 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 {",Pump:"=20, NULL=0, "libacc.c"=0, "libacc.c"=38, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2713776a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6135399a=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1931404d=158, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1cb04113=0, "i > 0 && i <= this->argsCount"=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30590662=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@328dd21e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ec88713=0, "On"=23, "libacc.c"=33, "__utac__get_this_arg"=36, methaneLevelCritical=0, tmp___0=0, retValue_acc=0, "__utac__get_this_argtype"=0, "__utac__get_this_argtype"=0, "OK"=12, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=8, "libacc.c"=0, tmp___1=0, ",Meth:"=14, "\n"=16, cleanupTimeShifts=4, tmp=0, tmp=0, "CRIT"=11, tmp___0=0, "On"=19, "\n"=0, ") "=0, "Env(Water:%i"=0, ",Meth:"=0, NULL=0, systemActive=1, waterLevel=1, \result=1, "libacc.c"=37, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@84b47a=0, \result=0, "i > 0 && i <= this->argsCount"=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@703a866f=0, "libacc.c"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=0, \result=1, head=0, pumpRunning=0, retValue_acc=1, "i > 0 && i <= this->argsCount"=26, \result=0, ") "=17, tmp=1, "Off"=0, "i > 0 && i <= this->argsCount"=35, ",Pump:"=0, ")"=0, "OK"=0, ")"=27, "On"=0, \result=1, "libacc.c"=39, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2215c43e=0, retValue_acc=1, retValue_acc=1, tmp=1, tmp___2=158, splverifierCounter=0, "__utac__get_this_arg"=0, "Pump(System:"=0, "Pump(System:"=24, "__utac__get_this_arg"=31, tmp=0, head=0, "Off"=18, "Env(Water:%i"=15, "CRIT"=0, "Off"=0, "On"=0, "Off"=22, "i > 0 && i <= this->argsCount"=34, "__utac__get_this_argtype"=28} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 92]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L283] FCALL "Pump(System:" [L287] FCALL "On" [L291] FCALL "Off" [L295] FCALL ",Pump:" [L299] FCALL "On" [L303] FCALL "Off" [L307] FCALL ") " [L309] FCALL "\n" [L492] FCALL "Env(Water:%i" [L493] FCALL ",Meth:" [L497] FCALL "CRIT" [L501] FCALL "OK" [L505] FCALL ")" [L831] FCALL "i > 0 && i <= this->argsCount" [L831] FCALL "libacc.c" [L832] FCALL "__utac__get_this_arg" [L838] FCALL "i > 0 && i <= this->argsCount" [L838] FCALL "libacc.c" [L839] FCALL "__utac__get_this_arg" [L877] FCALL "i > 0 && i <= this->argsCount" [L877] FCALL "libacc.c" [L878] FCALL "__utac__get_this_argtype" [L884] FCALL "i > 0 && i <= this->argsCount" [L884] FCALL "libacc.c" [L885] FCALL "__utac__get_this_argtype" [L155] int pumpRunning = 0; [L156] int systemActive = 1; [L334] int cleanupTimeShifts = 4; [L440] int waterLevel = 1; [L441] int methaneLevelCritical = 0; [L703] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L407] int retValue_acc ; [L408] int tmp ; [L412] FCALL select_helpers() [L413] FCALL select_features() [L414] CALL, EXPR valid_product() [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] RET return (retValue_acc); [L414] EXPR valid_product() [L414] tmp = valid_product() [L416] COND TRUE \read(tmp) [L418] FCALL setup() [L419] CALL runTest() [L401] CALL test() [L83] int splverifierCounter ; [L84] int tmp ; [L85] int tmp___0 ; [L86] int tmp___1 ; [L87] int tmp___2 ; [L90] splverifierCounter = 0 Loop: [L92] COND TRUE 1 [L94] COND TRUE splverifierCounter < 4 [L100] tmp = __VERIFIER_nondet_int() [L102] COND FALSE !(\read(tmp)) [L110] tmp___0 = __VERIFIER_nondet_int() [L112] COND FALSE !(\read(tmp___0)) [L120] tmp___2 = __VERIFIER_nondet_int() [L122] COND TRUE \read(tmp___2) [L135] CALL timeShift() [L163] COND FALSE !(\read(pumpRunning)) [L170] COND TRUE \read(systemActive) [L172] CALL processEnvironment() [L218] int tmp ; [L221] COND FALSE !(\read(pumpRunning)) [L236] CALL processEnvironment__wrappee__highWaterSensor() [L192] int tmp ; [L195] COND TRUE ! pumpRunning [L197] CALL, EXPR isHighWaterLevel() [L315] int retValue_acc ; [L316] int tmp ; [L317] int tmp___0 ; [L321] CALL, EXPR isHighWaterSensorDry() [L520] int retValue_acc ; [L523] COND TRUE waterLevel < 2 [L524] retValue_acc = 1 [L525] RET return (retValue_acc); [L321] EXPR isHighWaterSensorDry() [L321] tmp = isHighWaterSensorDry() [L323] COND TRUE \read(tmp) [L324] tmp___0 = 0 [L328] retValue_acc = tmp___0 [L329] RET return (retValue_acc); [L197] EXPR isHighWaterLevel() [L197] tmp = isHighWaterLevel() [L199] COND FALSE !(\read(tmp)) [L205] RET, FCALL processEnvironment__wrappee__base() [L236] RET processEnvironment__wrappee__highWaterSensor() [L172] processEnvironment() [L178] CALL __utac_acc__Specification4_spec__1() [L901] int tmp ; [L902] int tmp___0 ; [L906] CALL, EXPR getWaterLevel() [L511] int retValue_acc ; [L514] retValue_acc = waterLevel [L515] RET return (retValue_acc); [L906] EXPR getWaterLevel() [L906] tmp = getWaterLevel() [L908] COND FALSE, RET !(tmp == 0) [L178] RET __utac_acc__Specification4_spec__1() [L135] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...