./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product02_true-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_00a790a7-8286-4b70-ba54-05b6031f26fe/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_00a790a7-8286-4b70-ba54-05b6031f26fe/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_00a790a7-8286-4b70-ba54-05b6031f26fe/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_00a790a7-8286-4b70-ba54-05b6031f26fe/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product02_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_00a790a7-8286-4b70-ba54-05b6031f26fe/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_00a790a7-8286-4b70-ba54-05b6031f26fe/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 9981d0431503a5384aa266d98ee0eb924dcc1f3e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 08:34:50,804 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:34:50,805 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:34:50,812 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:34:50,812 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:34:50,813 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:34:50,814 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:34:50,815 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:34:50,816 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:34:50,817 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:34:50,818 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:34:50,818 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:34:50,818 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:34:50,819 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:34:50,820 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:34:50,821 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:34:50,822 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:34:50,823 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:34:50,825 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:34:50,826 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:34:50,827 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:34:50,828 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:34:50,829 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:34:50,830 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:34:50,830 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:34:50,830 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:34:50,831 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:34:50,832 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:34:50,833 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:34:50,833 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:34:50,834 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:34:50,834 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:34:50,834 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:34:50,835 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:34:50,835 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:34:50,836 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:34:50,836 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_00a790a7-8286-4b70-ba54-05b6031f26fe/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 08:34:50,848 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:34:50,848 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:34:50,849 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:34:50,849 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:34:50,849 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:34:50,849 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 08:34:50,849 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 08:34:50,850 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 08:34:50,850 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 08:34:50,850 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 08:34:50,850 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 08:34:50,850 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:34:50,850 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:34:50,850 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 08:34:50,851 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:34:50,851 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:34:50,851 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:34:50,851 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 08:34:50,851 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 08:34:50,851 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 08:34:50,851 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:34:50,852 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:34:50,852 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 08:34:50,852 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:34:50,852 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 08:34:50,852 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:34:50,852 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:34:50,852 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 08:34:50,853 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:34:50,853 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 08:34:50,853 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 08:34:50,854 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 08:34:50,854 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_00a790a7-8286-4b70-ba54-05b6031f26fe/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 -> 9981d0431503a5384aa266d98ee0eb924dcc1f3e [2018-11-18 08:34:50,877 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:34:50,884 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:34:50,886 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:34:50,887 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:34:50,887 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:34:50,887 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_00a790a7-8286-4b70-ba54-05b6031f26fe/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product02_true-unreach-call_false-termination.cil.c [2018-11-18 08:34:50,927 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_00a790a7-8286-4b70-ba54-05b6031f26fe/bin-2019/uautomizer/data/a53a00e71/8eab863989804f419982f5e09fbfe939/FLAGa73cd9d6e [2018-11-18 08:34:51,264 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:34:51,264 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_00a790a7-8286-4b70-ba54-05b6031f26fe/sv-benchmarks/c/product-lines/minepump_spec5_product02_true-unreach-call_false-termination.cil.c [2018-11-18 08:34:51,274 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_00a790a7-8286-4b70-ba54-05b6031f26fe/bin-2019/uautomizer/data/a53a00e71/8eab863989804f419982f5e09fbfe939/FLAGa73cd9d6e [2018-11-18 08:34:51,285 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_00a790a7-8286-4b70-ba54-05b6031f26fe/bin-2019/uautomizer/data/a53a00e71/8eab863989804f419982f5e09fbfe939 [2018-11-18 08:34:51,287 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:34:51,288 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:34:51,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:51,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:34:51,291 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:34:51,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:51" (1/1) ... [2018-11-18 08:34:51,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b86b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:51, skipping insertion in model container [2018-11-18 08:34:51,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:51" (1/1) ... [2018-11-18 08:34:51,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:34:51,330 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:34:51,515 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:51,525 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:34:51,620 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:51,634 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:34:51,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:51 WrapperNode [2018-11-18 08:34:51,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:51,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:34:51,635 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:34:51,635 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:34:51,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:51" (1/1) ... [2018-11-18 08:34:51,650 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:51" (1/1) ... [2018-11-18 08:34:51,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:34:51,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:34:51,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:34:51,672 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:34:51,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:51" (1/1) ... [2018-11-18 08:34:51,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:51" (1/1) ... [2018-11-18 08:34:51,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:51" (1/1) ... [2018-11-18 08:34:51,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:51" (1/1) ... [2018-11-18 08:34:51,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:51" (1/1) ... [2018-11-18 08:34:51,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:51" (1/1) ... [2018-11-18 08:34:51,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:51" (1/1) ... [2018-11-18 08:34:51,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:34:51,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:34:51,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:34:51,691 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:34:51,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_00a790a7-8286-4b70-ba54-05b6031f26fe/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 08:34:51,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:34:51,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:34:51,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:34:52,142 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:34:52,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:52 BoogieIcfgContainer [2018-11-18 08:34:52,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:34:52,144 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 08:34:52,144 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 08:34:52,146 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 08:34:52,147 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:52,147 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:34:51" (1/3) ... [2018-11-18 08:34:52,148 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d40cc00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:34:52, skipping insertion in model container [2018-11-18 08:34:52,148 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:52,148 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:51" (2/3) ... [2018-11-18 08:34:52,149 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d40cc00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:34:52, skipping insertion in model container [2018-11-18 08:34:52,149 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:52,149 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:52" (3/3) ... [2018-11-18 08:34:52,151 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product02_true-unreach-call_false-termination.cil.c [2018-11-18 08:34:52,200 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:34:52,201 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 08:34:52,201 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 08:34:52,201 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 08:34:52,201 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:34:52,201 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:34:52,202 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 08:34:52,202 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:34:52,202 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 08:34:52,215 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 88 states. [2018-11-18 08:34:52,236 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 55 [2018-11-18 08:34:52,236 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:52,237 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:52,244 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:52,244 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] [2018-11-18 08:34:52,244 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 08:34:52,244 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 88 states. [2018-11-18 08:34:52,248 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 55 [2018-11-18 08:34:52,248 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:52,248 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:52,249 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:52,249 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] [2018-11-18 08:34:52,253 INFO L794 eck$LassoCheckResult]: Stem: 29#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(13);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string38.base,#t~string38.offset := 44];#memory_int := #memory_int[#t~string38.base,1 + #t~string38.offset := 77];#memory_int := #memory_int[#t~string38.base,2 + #t~string38.offset := 101];#memory_int := #memory_int[#t~string38.base,3 + #t~string38.offset := 116];#memory_int := #memory_int[#t~string38.base,4 + #t~string38.offset := 104];#memory_int := #memory_int[#t~string38.base,5 + #t~string38.offset := 58];#memory_int := #memory_int[#t~string38.base,6 + #t~string38.offset := 0];call #t~string40.base, #t~string40.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string40.base,#t~string40.offset := 67];#memory_int := #memory_int[#t~string40.base,1 + #t~string40.offset := 82];#memory_int := #memory_int[#t~string40.base,2 + #t~string40.offset := 73];#memory_int := #memory_int[#t~string40.base,3 + #t~string40.offset := 84];#memory_int := #memory_int[#t~string40.base,4 + #t~string40.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 79];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 75];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 41];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(13);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 79];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 110];#memory_int := #memory_int[#t~string49.base,2 + #t~string49.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 79];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 102];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 102];#memory_int := #memory_int[#t~string51.base,3 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 44];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 80];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 117];#memory_int := #memory_int[#t~string53.base,3 + #t~string53.offset := 109];#memory_int := #memory_int[#t~string53.base,4 + #t~string53.offset := 112];#memory_int := #memory_int[#t~string53.base,5 + #t~string53.offset := 58];#memory_int := #memory_int[#t~string53.base,6 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 110];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 41];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 32];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 10];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~5;havoc main_~retValue_acc~9;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 48#L769true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 70#L762true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 56#L777true main_#t~ret70 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret70;havoc main_#t~ret70; 78#L865true assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 12#L841true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 85#L701true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, 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; 16#L629-3true [2018-11-18 08:34:52,254 INFO L796 eck$LassoCheckResult]: Loop: 16#L629-3true assume true; 9#L629-1true assume !false; 49#L630true assume test_~splverifierCounter~0 < 4; 76#L631true test_~tmp~3 := test_#t~nondet62;havoc test_#t~nondet62; 7#L639true assume !(0 != test_~tmp~3); 86#L639-2true test_~tmp___0~0 := test_#t~nondet63;havoc test_#t~nondet63; 57#L649true assume !(0 != test_~tmp___0~0); 61#L649-2true test_~tmp___2~0 := test_#t~nondet64;havoc test_#t~nondet64; 30#L659true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet65;havoc test_#t~nondet65; 67#L667true assume 0 != test_~tmp___1~0; 42#L667-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret66;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 72#L569true __utac_acc__Specification5_spec__2_#t~ret66 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret66;havoc __utac_acc__Specification5_spec__2_#t~ret66; 62#L711true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 58#L510true assume !(0 != ~pumpRunning~0); 63#L510-2true assume !(0 != ~systemActive~0); 40#L517-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret67, __utac_acc__Specification5_spec__3_#t~ret68, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 32#L487true __utac_acc__Specification5_spec__3_#t~ret67 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret67;havoc __utac_acc__Specification5_spec__3_#t~ret67; 59#L722true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4); 64#L722-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 39#L527true assume { :end_inline_timeShift } true; 16#L629-3true [2018-11-18 08:34:52,258 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:52,259 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 08:34:52,260 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:52,261 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:52,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:52,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:52,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:52,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:52,421 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:52,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1394638372, now seen corresponding path program 1 times [2018-11-18 08:34:52,422 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:52,422 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:52,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:52,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:52,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:52,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:52,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:52,432 INFO L82 PathProgramCache]: Analyzing trace with hash -22112699, now seen corresponding path program 1 times [2018-11-18 08:34:52,433 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:52,433 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:52,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:52,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:52,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:52,560 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 08:34:52,562 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:52,562 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 08:34:52,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:34:52,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:34:52,642 INFO L87 Difference]: Start difference. First operand 88 states. Second operand 6 states. [2018-11-18 08:34:52,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:52,755 INFO L93 Difference]: Finished difference Result 85 states and 104 transitions. [2018-11-18 08:34:52,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 08:34:52,757 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 85 states and 104 transitions. [2018-11-18 08:34:52,758 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2018-11-18 08:34:52,764 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 85 states to 75 states and 94 transitions. [2018-11-18 08:34:52,765 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 75 [2018-11-18 08:34:52,765 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 75 [2018-11-18 08:34:52,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 75 states and 94 transitions. [2018-11-18 08:34:52,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:34:52,766 INFO L705 BuchiCegarLoop]: Abstraction has 75 states and 94 transitions. [2018-11-18 08:34:52,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states and 94 transitions. [2018-11-18 08:34:52,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2018-11-18 08:34:52,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-11-18 08:34:52,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 94 transitions. [2018-11-18 08:34:52,787 INFO L728 BuchiCegarLoop]: Abstraction has 75 states and 94 transitions. [2018-11-18 08:34:52,788 INFO L608 BuchiCegarLoop]: Abstraction has 75 states and 94 transitions. [2018-11-18 08:34:52,788 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 08:34:52,788 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 75 states and 94 transitions. [2018-11-18 08:34:52,789 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2018-11-18 08:34:52,789 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:52,789 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:52,790 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:52,790 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] [2018-11-18 08:34:52,790 INFO L794 eck$LassoCheckResult]: Stem: 224#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(13);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string38.base,#t~string38.offset := 44];#memory_int := #memory_int[#t~string38.base,1 + #t~string38.offset := 77];#memory_int := #memory_int[#t~string38.base,2 + #t~string38.offset := 101];#memory_int := #memory_int[#t~string38.base,3 + #t~string38.offset := 116];#memory_int := #memory_int[#t~string38.base,4 + #t~string38.offset := 104];#memory_int := #memory_int[#t~string38.base,5 + #t~string38.offset := 58];#memory_int := #memory_int[#t~string38.base,6 + #t~string38.offset := 0];call #t~string40.base, #t~string40.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string40.base,#t~string40.offset := 67];#memory_int := #memory_int[#t~string40.base,1 + #t~string40.offset := 82];#memory_int := #memory_int[#t~string40.base,2 + #t~string40.offset := 73];#memory_int := #memory_int[#t~string40.base,3 + #t~string40.offset := 84];#memory_int := #memory_int[#t~string40.base,4 + #t~string40.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 79];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 75];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 41];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(13);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 79];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 110];#memory_int := #memory_int[#t~string49.base,2 + #t~string49.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 79];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 102];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 102];#memory_int := #memory_int[#t~string51.base,3 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 44];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 80];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 117];#memory_int := #memory_int[#t~string53.base,3 + #t~string53.offset := 109];#memory_int := #memory_int[#t~string53.base,4 + #t~string53.offset := 112];#memory_int := #memory_int[#t~string53.base,5 + #t~string53.offset := 58];#memory_int := #memory_int[#t~string53.base,6 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 110];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 41];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 32];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 10];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 203#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~5;havoc main_~retValue_acc~9;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 204#L769 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 245#L762 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 253#L777 main_#t~ret70 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret70;havoc main_#t~ret70; 254#L865 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 207#L841 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 208#L701 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, 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; 211#L629-3 [2018-11-18 08:34:52,790 INFO L796 eck$LassoCheckResult]: Loop: 211#L629-3 assume true; 205#L629-1 assume !false; 206#L630 assume test_~splverifierCounter~0 < 4; 246#L631 test_~tmp~3 := test_#t~nondet62;havoc test_#t~nondet62; 198#L639 assume !(0 != test_~tmp~3); 200#L639-2 test_~tmp___0~0 := test_#t~nondet63;havoc test_#t~nondet63; 255#L649 assume !(0 != test_~tmp___0~0); 192#L649-2 test_~tmp___2~0 := test_#t~nondet64;havoc test_#t~nondet64; 222#L659 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 213#L614 assume { :end_inline_startSystem } true; 214#L667-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret66;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 239#L569 __utac_acc__Specification5_spec__2_#t~ret66 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret66;havoc __utac_acc__Specification5_spec__2_#t~ret66; 259#L711 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 256#L510 assume !(0 != ~pumpRunning~0); 247#L510-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 218#L534 assume { :end_inline_processEnvironment } true; 219#L517-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret67, __utac_acc__Specification5_spec__3_#t~ret68, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 227#L487 __utac_acc__Specification5_spec__3_#t~ret67 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret67;havoc __utac_acc__Specification5_spec__3_#t~ret67; 228#L722 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4); 196#L722-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 238#L527 assume { :end_inline_timeShift } true; 211#L629-3 [2018-11-18 08:34:52,791 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:52,791 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 08:34:52,791 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:52,791 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:52,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:52,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:52,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:52,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:52,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:52,843 INFO L82 PathProgramCache]: Analyzing trace with hash 871982783, now seen corresponding path program 1 times [2018-11-18 08:34:52,844 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:52,844 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:52,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:52,844 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:34:52,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:52,854 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:52,854 INFO L82 PathProgramCache]: Analyzing trace with hash 470605686, now seen corresponding path program 1 times [2018-11-18 08:34:52,854 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:52,854 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:52,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:52,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:52,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:52,949 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 08:34:52,949 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:52,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 08:34:53,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 08:34:53,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 08:34:53,043 INFO L87 Difference]: Start difference. First operand 75 states and 94 transitions. cyclomatic complexity: 21 Second operand 5 states. [2018-11-18 08:34:53,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:53,202 INFO L93 Difference]: Finished difference Result 194 states and 239 transitions. [2018-11-18 08:34:53,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 08:34:53,203 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 194 states and 239 transitions. [2018-11-18 08:34:53,205 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 96 [2018-11-18 08:34:53,207 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 194 states to 194 states and 239 transitions. [2018-11-18 08:34:53,207 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 194 [2018-11-18 08:34:53,207 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 194 [2018-11-18 08:34:53,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 194 states and 239 transitions. [2018-11-18 08:34:53,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:34:53,208 INFO L705 BuchiCegarLoop]: Abstraction has 194 states and 239 transitions. [2018-11-18 08:34:53,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states and 239 transitions. [2018-11-18 08:34:53,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 138. [2018-11-18 08:34:53,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-11-18 08:34:53,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 169 transitions. [2018-11-18 08:34:53,218 INFO L728 BuchiCegarLoop]: Abstraction has 138 states and 169 transitions. [2018-11-18 08:34:53,218 INFO L608 BuchiCegarLoop]: Abstraction has 138 states and 169 transitions. [2018-11-18 08:34:53,218 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 08:34:53,218 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 169 transitions. [2018-11-18 08:34:53,219 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 96 [2018-11-18 08:34:53,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:53,220 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:53,220 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:53,221 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] [2018-11-18 08:34:53,221 INFO L794 eck$LassoCheckResult]: Stem: 508#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(13);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string38.base,#t~string38.offset := 44];#memory_int := #memory_int[#t~string38.base,1 + #t~string38.offset := 77];#memory_int := #memory_int[#t~string38.base,2 + #t~string38.offset := 101];#memory_int := #memory_int[#t~string38.base,3 + #t~string38.offset := 116];#memory_int := #memory_int[#t~string38.base,4 + #t~string38.offset := 104];#memory_int := #memory_int[#t~string38.base,5 + #t~string38.offset := 58];#memory_int := #memory_int[#t~string38.base,6 + #t~string38.offset := 0];call #t~string40.base, #t~string40.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string40.base,#t~string40.offset := 67];#memory_int := #memory_int[#t~string40.base,1 + #t~string40.offset := 82];#memory_int := #memory_int[#t~string40.base,2 + #t~string40.offset := 73];#memory_int := #memory_int[#t~string40.base,3 + #t~string40.offset := 84];#memory_int := #memory_int[#t~string40.base,4 + #t~string40.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 79];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 75];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 41];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(13);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 79];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 110];#memory_int := #memory_int[#t~string49.base,2 + #t~string49.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 79];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 102];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 102];#memory_int := #memory_int[#t~string51.base,3 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 44];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 80];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 117];#memory_int := #memory_int[#t~string53.base,3 + #t~string53.offset := 109];#memory_int := #memory_int[#t~string53.base,4 + #t~string53.offset := 112];#memory_int := #memory_int[#t~string53.base,5 + #t~string53.offset := 58];#memory_int := #memory_int[#t~string53.base,6 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 110];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 102];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 41];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 32];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 10];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 486#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~5;havoc main_~retValue_acc~9;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 487#L769 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 537#L762 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 547#L777 main_#t~ret70 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret70;havoc main_#t~ret70; 548#L865 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 492#L841 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 493#L701 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, 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; 496#L629-3 [2018-11-18 08:34:53,221 INFO L796 eck$LassoCheckResult]: Loop: 496#L629-3 assume true; 488#L629-1 assume !false; 489#L630 assume test_~splverifierCounter~0 < 4; 538#L631 test_~tmp~3 := test_#t~nondet62;havoc test_#t~nondet62; 483#L639 assume !(0 != test_~tmp~3); 485#L639-2 test_~tmp___0~0 := test_#t~nondet63;havoc test_#t~nondet63; 591#L649 assume !(0 != test_~tmp___0~0); 554#L649-2 test_~tmp___2~0 := test_#t~nondet64;havoc test_#t~nondet64; 509#L659 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 498#L614 assume { :end_inline_startSystem } true; 499#L667-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret66;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 528#L569 __utac_acc__Specification5_spec__2_#t~ret66 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret66;havoc __utac_acc__Specification5_spec__2_#t~ret66; 555#L711 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 550#L510 assume !(0 != ~pumpRunning~0); 551#L510-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 504#L534 assume { :end_inline_processEnvironment } true; 505#L517-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret67, __utac_acc__Specification5_spec__3_#t~ret68, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 513#L487 __utac_acc__Specification5_spec__3_#t~ret67 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret67;havoc __utac_acc__Specification5_spec__3_#t~ret67; 514#L722 assume 2 != __utac_acc__Specification5_spec__3_~tmp~4;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 552#L569-1 __utac_acc__Specification5_spec__3_#t~ret68 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~1 := __utac_acc__Specification5_spec__3_#t~ret68;havoc __utac_acc__Specification5_spec__3_#t~ret68; 566#L726 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1); 481#L722-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 525#L527 assume { :end_inline_timeShift } true; 496#L629-3 [2018-11-18 08:34:53,221 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:53,221 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 08:34:53,222 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:53,222 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:53,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:53,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:53,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:53,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:53,252 INFO L82 PathProgramCache]: Analyzing trace with hash 437732250, now seen corresponding path program 1 times [2018-11-18 08:34:53,252 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:53,252 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:53,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:53,253 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:34:53,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:53,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:53,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:53,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1261398673, now seen corresponding path program 1 times [2018-11-18 08:34:53,260 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:53,261 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:53,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:53,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:53,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:36:11,302 WARN L180 SmtUtils]: Spent 1.30 m on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 08:36:44,180 WARN L180 SmtUtils]: Spent 32.87 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 08:36:44,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:36:44 BoogieIcfgContainer [2018-11-18 08:36:44,237 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 08:36:44,237 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:36:44,237 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:36:44,237 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:36:44,239 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:52" (3/4) ... [2018-11-18 08:36:44,241 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 08:36:44,281 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_00a790a7-8286-4b70-ba54-05b6031f26fe/bin-2019/uautomizer/witness.graphml [2018-11-18 08:36:44,282 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:36:44,282 INFO L168 Benchmark]: Toolchain (without parser) took 112994.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 203.9 MB). Free memory was 950.0 MB in the beginning and 1.2 GB in the end (delta: -228.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:36:44,283 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 977.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:36:44,283 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -180.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 08:36:44,283 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-18 08:36:44,284 INFO L168 Benchmark]: Boogie Preprocessor took 19.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:36:44,284 INFO L168 Benchmark]: RCFGBuilder took 451.92 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: 54.3 MB). Peak memory consumption was 54.3 MB. Max. memory is 11.5 GB. [2018-11-18 08:36:44,284 INFO L168 Benchmark]: BuchiAutomizer took 112093.23 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -117.8 MB). Peak memory consumption was 351.2 MB. Max. memory is 11.5 GB. [2018-11-18 08:36:44,285 INFO L168 Benchmark]: Witness Printer took 44.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-18 08:36:44,286 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 977.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 345.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -180.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 451.92 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: 54.3 MB). Peak memory consumption was 54.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 112093.23 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -117.8 MB). Peak memory consumption was 351.2 MB. Max. memory is 11.5 GB. * Witness Printer took 44.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 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 138 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 112.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 111.6s. 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, 56 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 138 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 243 SDtfs, 544 SDslu, 270 SDs, 0 SdLazy, 75 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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: 629]: 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, "Pump(System:"=0, "On"=39, "CRIT"=0, ")"=0, "\n"=0, ",Meth:"=8, "OK"=0, retValue_acc=0, methaneLevelCritical=0, tmp=0, tmp=1, tmp___1=0, "__utac__get_this_argtype"=17, "__utac__get_this_arg"=20, "__utac__get_this_arg"=24, "libacc.c"=18, "Env(Water:%i"=12, cleanupTimeShifts=4, switchedOnBeforeTS=0, "libacc.c"=15, "OK"=35, \result=0, ",Pump:"=29, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, NULL=0, systemActive=1, waterLevel=1, \result=1, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, ",Meth:"=0, "On"=0, "Pump(System:"=33, ")"=34, tmp___0=0, "On"=0, "Off"=0, ",Pump:"=0, \result=1, "i > 0 && i <= this->argsCount"=27, head=0, pumpRunning=0, "On"=31, "Off"=36, \result=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@159e8291=0, "i > 0 && i <= this->argsCount"=23, "libacc.c"=0, "Env(Water:%i"=0, "Off"=0, tmp=1, "i > 0 && i <= this->argsCount"=0, "\n"=37, "libacc.c"=22, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a01ade7=0, tmp___2=155, retValue_acc=1, "i > 0 && i <= this->argsCount"=16, splverifierCounter=0, ") "=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3745ee91=0, ") "=38, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@64fba979=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@244fcb89=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e7969b4=155, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a4b8b94=0, "libacc.c"=26, "i > 0 && i <= this->argsCount"=19, "__utac__get_this_arg"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2cbe66d2=0, "__utac__get_this_argtype"=14, "libacc.c"=0, "libacc.c"=0, "CRIT"=11, retValue_acc=0, "Off"=28} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 629]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L337] FCALL "i > 0 && i <= this->argsCount" [L337] FCALL "libacc.c" [L338] FCALL "__utac__get_this_arg" [L344] FCALL "i > 0 && i <= this->argsCount" [L344] FCALL "libacc.c" [L345] FCALL "__utac__get_this_arg" [L383] FCALL "i > 0 && i <= this->argsCount" [L383] FCALL "libacc.c" [L384] FCALL "__utac__get_this_argtype" [L390] FCALL "i > 0 && i <= this->argsCount" [L390] FCALL "libacc.c" [L391] FCALL "__utac__get_this_argtype" [L464] FCALL "Env(Water:%i" [L465] FCALL ",Meth:" [L469] FCALL "CRIT" [L473] FCALL "OK" [L477] FCALL ")" [L578] FCALL "Pump(System:" [L582] FCALL "On" [L586] FCALL "Off" [L590] FCALL ",Pump:" [L594] FCALL "On" [L598] FCALL "Off" [L602] FCALL ") " [L604] FCALL "\n" [L412] int waterLevel = 1; [L413] int methaneLevelCritical = 0; [L498] int pumpRunning = 0; [L499] int systemActive = 1; [L695] int switchedOnBeforeTS ; [L782] int cleanupTimeShifts = 4; [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L856] int retValue_acc ; [L857] int tmp ; [L861] FCALL select_helpers() [L862] FCALL select_features() [L863] CALL, EXPR valid_product() [L773] int retValue_acc ; [L776] retValue_acc = 1 [L777] RET return (retValue_acc); [L863] EXPR valid_product() [L863] tmp = valid_product() [L865] COND TRUE \read(tmp) [L867] FCALL setup() [L868] CALL runTest() [L849] CALL __utac_acc__Specification5_spec__1() [L700] RET switchedOnBeforeTS = 0 [L849] __utac_acc__Specification5_spec__1() [L850] CALL test() [L620] int splverifierCounter ; [L621] int tmp ; [L622] int tmp___0 ; [L623] int tmp___1 ; [L624] int tmp___2 ; [L627] splverifierCounter = 0 Loop: [L629] COND TRUE 1 [L631] COND TRUE splverifierCounter < 4 [L637] tmp = __VERIFIER_nondet_int() [L639] COND FALSE !(\read(tmp)) [L647] tmp___0 = __VERIFIER_nondet_int() [L649] COND FALSE !(\read(tmp___0)) [L657] tmp___2 = __VERIFIER_nondet_int() [L659] COND TRUE \read(tmp___2) [L661] CALL startSystem() [L613] RET systemActive = 1 [L661] startSystem() [L674] CALL timeShift() [L508] CALL __utac_acc__Specification5_spec__2() [L709] CALL, EXPR isPumpRunning() [L565] int retValue_acc ; [L568] retValue_acc = pumpRunning [L569] RET return (retValue_acc); [L709] EXPR isPumpRunning() [L709] RET switchedOnBeforeTS = isPumpRunning() [L508] __utac_acc__Specification5_spec__2() [L510] COND FALSE !(\read(pumpRunning)) [L517] COND TRUE \read(systemActive) [L519] FCALL processEnvironment() [L525] CALL __utac_acc__Specification5_spec__3() [L715] int tmp ; [L716] int tmp___0 ; [L720] CALL, EXPR getWaterLevel() [L483] int retValue_acc ; [L486] retValue_acc = waterLevel [L487] RET return (retValue_acc); [L720] EXPR getWaterLevel() [L720] tmp = getWaterLevel() [L722] COND TRUE tmp != 2 [L724] CALL, EXPR isPumpRunning() [L565] int retValue_acc ; [L568] retValue_acc = pumpRunning [L569] RET return (retValue_acc); [L724] EXPR isPumpRunning() [L724] tmp___0 = isPumpRunning() [L726] COND FALSE, RET !(\read(tmp___0)) [L525] RET __utac_acc__Specification5_spec__3() [L674] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...