./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product02_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_ce0a5a0f-c324-49ee-8231-05cfdfba50f3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ce0a5a0f-c324-49ee-8231-05cfdfba50f3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ce0a5a0f-c324-49ee-8231-05cfdfba50f3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ce0a5a0f-c324-49ee-8231-05cfdfba50f3/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product02_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ce0a5a0f-c324-49ee-8231-05cfdfba50f3/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ce0a5a0f-c324-49ee-8231-05cfdfba50f3/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 cc504d04b7d2a88a6c6b8ffd4f6bc94b38905c13 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:17:34,592 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:17:34,593 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:17:34,601 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:17:34,602 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:17:34,602 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:17:34,603 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:17:34,604 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:17:34,605 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:17:34,606 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:17:34,606 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:17:34,606 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:17:34,607 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:17:34,608 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:17:34,609 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:17:34,609 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:17:34,610 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:17:34,611 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:17:34,613 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:17:34,614 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:17:34,614 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:17:34,616 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:17:34,617 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:17:34,617 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:17:34,617 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:17:34,618 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:17:34,619 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:17:34,620 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:17:34,620 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:17:34,621 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:17:34,621 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:17:34,622 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:17:34,622 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:17:34,622 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:17:34,623 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:17:34,623 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:17:34,623 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ce0a5a0f-c324-49ee-8231-05cfdfba50f3/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 11:17:34,638 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:17:34,638 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:17:34,639 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:17:34,639 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:17:34,639 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:17:34,639 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 11:17:34,639 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 11:17:34,639 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 11:17:34,640 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 11:17:34,640 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 11:17:34,640 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 11:17:34,640 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:17:34,640 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:17:34,640 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 11:17:34,640 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:17:34,641 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:17:34,641 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:17:34,641 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 11:17:34,641 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 11:17:34,641 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 11:17:34,641 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:17:34,641 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:17:34,642 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 11:17:34,642 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:17:34,642 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 11:17:34,642 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:17:34,642 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:17:34,642 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 11:17:34,642 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:17:34,643 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:17:34,645 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 11:17:34,646 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 11:17:34,646 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_ce0a5a0f-c324-49ee-8231-05cfdfba50f3/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 -> cc504d04b7d2a88a6c6b8ffd4f6bc94b38905c13 [2018-11-18 11:17:34,666 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:17:34,674 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:17:34,676 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:17:34,676 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:17:34,677 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:17:34,677 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ce0a5a0f-c324-49ee-8231-05cfdfba50f3/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product02_false-unreach-call_false-termination.cil.c [2018-11-18 11:17:34,712 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ce0a5a0f-c324-49ee-8231-05cfdfba50f3/bin-2019/uautomizer/data/bbd8d8556/548305cd25954913be4f01052676d62e/FLAG529549a58 [2018-11-18 11:17:35,125 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:17:35,126 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ce0a5a0f-c324-49ee-8231-05cfdfba50f3/sv-benchmarks/c/product-lines/minepump_spec3_product02_false-unreach-call_false-termination.cil.c [2018-11-18 11:17:35,132 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ce0a5a0f-c324-49ee-8231-05cfdfba50f3/bin-2019/uautomizer/data/bbd8d8556/548305cd25954913be4f01052676d62e/FLAG529549a58 [2018-11-18 11:17:35,140 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ce0a5a0f-c324-49ee-8231-05cfdfba50f3/bin-2019/uautomizer/data/bbd8d8556/548305cd25954913be4f01052676d62e [2018-11-18 11:17:35,141 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:17:35,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:17:35,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:17:35,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:17:35,145 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:17:35,145 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:17:35" (1/1) ... [2018-11-18 11:17:35,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:35, skipping insertion in model container [2018-11-18 11:17:35,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:17:35" (1/1) ... [2018-11-18 11:17:35,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:17:35,180 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:17:35,353 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:17:35,361 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:17:35,454 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:17:35,470 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:17:35,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:35 WrapperNode [2018-11-18 11:17:35,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:17:35,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:17:35,471 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:17:35,472 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:17:35,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:35" (1/1) ... [2018-11-18 11:17:35,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:35" (1/1) ... [2018-11-18 11:17:35,505 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:17:35,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:17:35,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:17:35,505 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:17:35,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:35" (1/1) ... [2018-11-18 11:17:35,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:35" (1/1) ... [2018-11-18 11:17:35,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:35" (1/1) ... [2018-11-18 11:17:35,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:35" (1/1) ... [2018-11-18 11:17:35,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:35" (1/1) ... [2018-11-18 11:17:35,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:35" (1/1) ... [2018-11-18 11:17:35,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:35" (1/1) ... [2018-11-18 11:17:35,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:17:35,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:17:35,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:17:35,524 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:17:35,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ce0a5a0f-c324-49ee-8231-05cfdfba50f3/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 11:17:35,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:17:35,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:17:35,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:17:35,971 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:17:35,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:17:35 BoogieIcfgContainer [2018-11-18 11:17:35,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:17:35,972 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 11:17:35,972 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 11:17:35,975 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 11:17:35,976 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:17:35,976 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 11:17:35" (1/3) ... [2018-11-18 11:17:35,977 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@327cba51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:17:35, skipping insertion in model container [2018-11-18 11:17:35,977 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:17:35,977 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:17:35" (2/3) ... [2018-11-18 11:17:35,977 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@327cba51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:17:35, skipping insertion in model container [2018-11-18 11:17:35,977 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:17:35,977 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:17:35" (3/3) ... [2018-11-18 11:17:35,979 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product02_false-unreach-call_false-termination.cil.c [2018-11-18 11:17:36,024 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:17:36,025 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 11:17:36,025 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 11:17:36,025 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 11:17:36,025 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:17:36,025 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:17:36,025 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 11:17:36,026 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:17:36,026 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 11:17:36,039 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 84 states. [2018-11-18 11:17:36,060 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2018-11-18 11:17:36,060 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:17:36,061 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:17:36,067 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:17:36,067 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:17:36,068 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 11:17:36,068 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 84 states. [2018-11-18 11:17:36,071 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2018-11-18 11:17:36,071 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:17:36,072 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:17:36,072 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:17:36,072 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:17:36,077 INFO L794 eck$LassoCheckResult]: Stem: 28#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(13);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string40.base,#t~string40.offset := 79];#memory_int := #memory_int[#t~string40.base,1 + #t~string40.offset := 110];#memory_int := #memory_int[#t~string40.base,2 + #t~string40.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 79];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 102];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 102];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 44];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 80];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 117];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 109];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 112];#memory_int := #memory_int[#t~string44.base,5 + #t~string44.offset := 58];#memory_int := #memory_int[#t~string44.base,6 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 110];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 79];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,3 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 41];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 32];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 10];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(13);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 44];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 77];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 101];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 116];#memory_int := #memory_int[#t~string64.base,4 + #t~string64.offset := 104];#memory_int := #memory_int[#t~string64.base,5 + #t~string64.offset := 58];#memory_int := #memory_int[#t~string64.base,6 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 67];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 82];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 73];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 84];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 79];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 75];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 41];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 14#L65true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 3#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; 9#L73true main_#t~ret60 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret60;havoc main_#t~ret60; 29#L765true assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 17#L742true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 36#L626-3true [2018-11-18 11:17:36,077 INFO L796 eck$LassoCheckResult]: Loop: 36#L626-3true assume true; 32#L626-1true assume !false; 48#L627true assume test_~splverifierCounter~0 < 4; 74#L628true test_~tmp~4 := test_#t~nondet56;havoc test_#t~nondet56; 16#L636true assume !(0 != test_~tmp~4); 21#L636-2true test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 82#L646true assume !(0 != test_~tmp___0~1); 61#L646-2true test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 55#L656true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 12#L574true assume { :end_inline_startSystem } true; 67#L664-2true assume { :begin_inline_timeShift } true; 68#L470true assume !(0 != ~pumpRunning~0); 45#L470-2true assume !(0 != ~systemActive~0); 52#L477-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret53, __utac_acc__Specification3_spec__1_#t~ret54, __utac_acc__Specification3_spec__1_#t~ret55, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 6#L822true __utac_acc__Specification3_spec__1_#t~ret53 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret53;havoc __utac_acc__Specification3_spec__1_#t~ret53; 5#L588true assume 0 != __utac_acc__Specification3_spec__1_~tmp~3; 54#L594-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 31#L487true assume { :end_inline_timeShift } true; 36#L626-3true [2018-11-18 11:17:36,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:17:36,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 11:17:36,084 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:17:36,084 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:17:36,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:17:36,118 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:17:36,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:17:36,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:17:36,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:17:36,234 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:17:36,234 INFO L82 PathProgramCache]: Analyzing trace with hash 1210961925, now seen corresponding path program 1 times [2018-11-18 11:17:36,234 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:17:36,234 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:17:36,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:17:36,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:17:36,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:17:36,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:36,269 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 11:17:36,271 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:17:36,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:17:36,274 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 11:17:36,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:17:36,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:17:36,284 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 3 states. [2018-11-18 11:17:36,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:17:36,308 INFO L93 Difference]: Finished difference Result 81 states and 101 transitions. [2018-11-18 11:17:36,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:17:36,310 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 81 states and 101 transitions. [2018-11-18 11:17:36,312 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2018-11-18 11:17:36,316 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 81 states to 71 states and 90 transitions. [2018-11-18 11:17:36,317 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 71 [2018-11-18 11:17:36,318 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 71 [2018-11-18 11:17:36,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 90 transitions. [2018-11-18 11:17:36,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:17:36,319 INFO L705 BuchiCegarLoop]: Abstraction has 71 states and 90 transitions. [2018-11-18 11:17:36,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 90 transitions. [2018-11-18 11:17:36,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-11-18 11:17:36,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-11-18 11:17:36,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 90 transitions. [2018-11-18 11:17:36,341 INFO L728 BuchiCegarLoop]: Abstraction has 71 states and 90 transitions. [2018-11-18 11:17:36,341 INFO L608 BuchiCegarLoop]: Abstraction has 71 states and 90 transitions. [2018-11-18 11:17:36,341 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 11:17:36,341 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 71 states and 90 transitions. [2018-11-18 11:17:36,342 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2018-11-18 11:17:36,342 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:17:36,342 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:17:36,343 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:17:36,343 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] [2018-11-18 11:17:36,343 INFO L794 eck$LassoCheckResult]: Stem: 209#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(13);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string40.base,#t~string40.offset := 79];#memory_int := #memory_int[#t~string40.base,1 + #t~string40.offset := 110];#memory_int := #memory_int[#t~string40.base,2 + #t~string40.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 79];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 102];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 102];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 44];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 80];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 117];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 109];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 112];#memory_int := #memory_int[#t~string44.base,5 + #t~string44.offset := 58];#memory_int := #memory_int[#t~string44.base,6 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 110];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 79];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,3 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 41];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 32];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 10];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(13);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 44];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 77];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 101];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 116];#memory_int := #memory_int[#t~string64.base,4 + #t~string64.offset := 104];#memory_int := #memory_int[#t~string64.base,5 + #t~string64.offset := 58];#memory_int := #memory_int[#t~string64.base,6 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 67];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 82];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 73];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 84];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 79];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 75];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 41];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 189#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 190#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 176#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; 177#L73 main_#t~ret60 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret60;havoc main_#t~ret60; 186#L765 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 197#L742 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 198#L626-3 [2018-11-18 11:17:36,344 INFO L796 eck$LassoCheckResult]: Loop: 198#L626-3 assume true; 212#L626-1 assume !false; 213#L627 assume test_~splverifierCounter~0 < 4; 228#L628 test_~tmp~4 := test_#t~nondet56;havoc test_#t~nondet56; 195#L636 assume !(0 != test_~tmp~4); 196#L636-2 test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 200#L646 assume !(0 != test_~tmp___0~1); 211#L646-2 test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 237#L656 assume !(0 != test_~tmp___2~0);test_~tmp___1~1 := test_#t~nondet59;havoc test_#t~nondet59; 238#L664 assume 0 != test_~tmp___1~1; 192#L664-2 assume { :begin_inline_timeShift } true; 240#L470 assume !(0 != ~pumpRunning~0); 224#L470-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 201#L494 assume { :end_inline_processEnvironment } true; 202#L477-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret53, __utac_acc__Specification3_spec__1_#t~ret54, __utac_acc__Specification3_spec__1_#t~ret55, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 181#L822 __utac_acc__Specification3_spec__1_#t~ret53 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret53;havoc __utac_acc__Specification3_spec__1_#t~ret53; 178#L588 assume 0 != __utac_acc__Specification3_spec__1_~tmp~3; 179#L594-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 210#L487 assume { :end_inline_timeShift } true; 198#L626-3 [2018-11-18 11:17:36,344 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:17:36,344 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 11:17:36,344 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:17:36,344 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:17:36,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:17:36,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:17:36,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:17:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:17:36,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:17:36,398 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:17:36,398 INFO L82 PathProgramCache]: Analyzing trace with hash -66847802, now seen corresponding path program 1 times [2018-11-18 11:17:36,398 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:17:36,398 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:17:36,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:17:36,399 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:17:36,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:17:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:17:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:17:36,408 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:17:36,408 INFO L82 PathProgramCache]: Analyzing trace with hash -2059671678, now seen corresponding path program 1 times [2018-11-18 11:17:36,408 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:17:36,408 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:17:36,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:17:36,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:17:36,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:17:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:17:36,475 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 11:17:36,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:17:36,476 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 11:17:36,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:17:36,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:17:36,549 INFO L87 Difference]: Start difference. First operand 71 states and 90 transitions. cyclomatic complexity: 21 Second operand 5 states. [2018-11-18 11:17:36,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:17:36,656 INFO L93 Difference]: Finished difference Result 233 states and 298 transitions. [2018-11-18 11:17:36,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 11:17:36,657 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 233 states and 298 transitions. [2018-11-18 11:17:36,660 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 170 [2018-11-18 11:17:36,662 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 233 states to 233 states and 298 transitions. [2018-11-18 11:17:36,662 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 233 [2018-11-18 11:17:36,664 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 233 [2018-11-18 11:17:36,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 233 states and 298 transitions. [2018-11-18 11:17:36,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:17:36,665 INFO L705 BuchiCegarLoop]: Abstraction has 233 states and 298 transitions. [2018-11-18 11:17:36,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states and 298 transitions. [2018-11-18 11:17:36,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 135. [2018-11-18 11:17:36,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-11-18 11:17:36,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 169 transitions. [2018-11-18 11:17:36,674 INFO L728 BuchiCegarLoop]: Abstraction has 135 states and 169 transitions. [2018-11-18 11:17:36,674 INFO L608 BuchiCegarLoop]: Abstraction has 135 states and 169 transitions. [2018-11-18 11:17:36,675 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 11:17:36,675 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 135 states and 169 transitions. [2018-11-18 11:17:36,676 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 98 [2018-11-18 11:17:36,676 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:17:36,676 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:17:36,677 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:17:36,677 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 11:17:36,677 INFO L794 eck$LassoCheckResult]: Stem: 532#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(13);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string40.base,#t~string40.offset := 79];#memory_int := #memory_int[#t~string40.base,1 + #t~string40.offset := 110];#memory_int := #memory_int[#t~string40.base,2 + #t~string40.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 79];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 102];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 102];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 44];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 80];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 117];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 109];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 112];#memory_int := #memory_int[#t~string44.base,5 + #t~string44.offset := 58];#memory_int := #memory_int[#t~string44.base,6 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 110];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 79];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,3 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 41];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 32];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 10];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(13);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 44];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 77];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 101];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 116];#memory_int := #memory_int[#t~string64.base,4 + #t~string64.offset := 104];#memory_int := #memory_int[#t~string64.base,5 + #t~string64.offset := 58];#memory_int := #memory_int[#t~string64.base,6 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 67];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 82];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 73];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 84];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 79];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 75];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 41];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 512#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 513#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 496#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; 497#L73 main_#t~ret60 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret60;havoc main_#t~ret60; 508#L765 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 520#L742 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 521#L626-3 [2018-11-18 11:17:36,677 INFO L796 eck$LassoCheckResult]: Loop: 521#L626-3 assume true; 612#L626-1 assume !false; 611#L627 assume test_~splverifierCounter~0 < 4; 576#L628 test_~tmp~4 := test_#t~nondet56;havoc test_#t~nondet56; 518#L636 assume !(0 != test_~tmp~4); 519#L636-2 test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 522#L646 assume !(0 != test_~tmp___0~1); 534#L646-2 test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 562#L656 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 514#L574 assume { :end_inline_startSystem } true; 515#L664-2 assume { :begin_inline_timeShift } true; 570#L470 assume !(0 != ~pumpRunning~0); 550#L470-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 524#L494 assume { :end_inline_processEnvironment } true; 525#L477-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret53, __utac_acc__Specification3_spec__1_#t~ret54, __utac_acc__Specification3_spec__1_#t~ret55, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 561#L822 __utac_acc__Specification3_spec__1_#t~ret53 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret53;havoc __utac_acc__Specification3_spec__1_#t~ret53; 500#L588 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~3);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 501#L854 __utac_acc__Specification3_spec__1_#t~ret54 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret54;havoc __utac_acc__Specification3_spec__1_#t~ret54; 572#L594 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0); 614#L594-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 613#L487 assume { :end_inline_timeShift } true; 521#L626-3 [2018-11-18 11:17:36,677 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:17:36,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 11:17:36,678 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:17:36,678 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:17:36,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:17:36,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:17:36,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:17:36,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:17:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:17:36,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:17:36,714 INFO L82 PathProgramCache]: Analyzing trace with hash 713220634, now seen corresponding path program 1 times [2018-11-18 11:17:36,715 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:17:36,715 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:17:36,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:17:36,716 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:17:36,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:17:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:17:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:17:36,724 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:17:36,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1164889814, now seen corresponding path program 1 times [2018-11-18 11:17:36,724 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:17:36,724 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:17:36,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:17:36,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:17:36,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:17:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:17:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:18:20,344 WARN L180 SmtUtils]: Spent 43.46 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 11:18:41,781 WARN L180 SmtUtils]: Spent 21.44 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 11:18:41,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 11:18:41 BoogieIcfgContainer [2018-11-18 11:18:41,845 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 11:18:41,845 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:18:41,845 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:18:41,845 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:18:41,846 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:17:35" (3/4) ... [2018-11-18 11:18:41,848 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 11:18:41,887 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ce0a5a0f-c324-49ee-8231-05cfdfba50f3/bin-2019/uautomizer/witness.graphml [2018-11-18 11:18:41,887 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:18:41,887 INFO L168 Benchmark]: Toolchain (without parser) took 66745.60 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 283.1 MB). Free memory was 951.1 MB in the beginning and 1.3 GB in the end (delta: -316.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:18:41,888 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:18:41,888 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -196.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:41,888 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.54 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:41,889 INFO L168 Benchmark]: Boogie Preprocessor took 18.04 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:41,889 INFO L168 Benchmark]: RCFGBuilder took 448.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:41,889 INFO L168 Benchmark]: BuchiAutomizer took 65873.03 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 126.4 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -189.9 MB). Peak memory consumption was 337.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:41,890 INFO L168 Benchmark]: Witness Printer took 41.67 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:41,891 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 328.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -196.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.54 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.04 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 448.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 65873.03 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 126.4 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -189.9 MB). Peak memory consumption was 337.4 MB. Max. memory is 11.5 GB. * Witness Printer took 41.67 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 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 5 locations. The remainder module has 135 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 65.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 65.5s. Construction of modules took 0.0s. 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, 98 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 135 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 219 SDtfs, 392 SDslu, 363 SDs, 0 SdLazy, 48 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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: 626]: 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, ",Meth:"=0, "Env(Water:%i"=0, "On"=0, "On"=19, "On"=0, ",Pump:"=0, retValue_acc=0, "Pump(System:"=24, "Off"=0, ",Meth:"=14, methaneLevelCritical=0, tmp=0, "OK"=0, "__utac__get_this_argtype"=26, "CRIT"=0, "OK"=8, tmp___1=0, "libacc.c"=31, "libacc.c"=35, tmp___0=1, "libacc.c"=38, "i > 0 && i <= this->argsCount"=33, cleanupTimeShifts=4, "i > 0 && i <= this->argsCount"=28, "Off"=22, ") "=17, tmp=0, "libacc.c"=0, "__utac__get_this_arg"=0, "libacc.c"=0, NULL=0, systemActive=1, waterLevel=1, \result=1, "libacc.c"=0, "__utac__get_this_argtype"=0, "Pump(System:"=0, retValue_acc=0, ",Pump:"=20, "\n"=0, ") "=0, \result=1, head=0, pumpRunning=0, \result=0, "\n"=16, "__utac__get_this_arg"=37, "i > 0 && i <= this->argsCount"=0, "CRIT"=12, ")"=0, "__utac__get_this_argtype"=0, tmp=1, "Off"=18, "i > 0 && i <= this->argsCount"=36, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@64b2c329=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@546f3bcd=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8521a04=0, retValue_acc=1, tmp___2=149, "__utac__get_this_argtype"=29, tmp___0=0, splverifierCounter=0, \result=0, ")"=11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60a05ad=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34899091=149, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c9452fe=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ecae32c=0, tmp___1=0, head=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=34, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=39, "libacc.c"=0, "libacc.c"=27, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "On"=23, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49c08b01=0, "Env(Water:%i"=15, "Off"=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 626]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L384] FCALL "i > 0 && i <= this->argsCount" [L384] FCALL "libacc.c" [L385] FCALL "__utac__get_this_arg" [L391] FCALL "i > 0 && i <= this->argsCount" [L391] FCALL "libacc.c" [L392] FCALL "__utac__get_this_arg" [L430] FCALL "i > 0 && i <= this->argsCount" [L430] FCALL "libacc.c" [L431] FCALL "__utac__get_this_argtype" [L437] FCALL "i > 0 && i <= this->argsCount" [L437] FCALL "libacc.c" [L438] FCALL "__utac__get_this_argtype" [L538] FCALL "Pump(System:" [L542] FCALL "On" [L546] FCALL "Off" [L550] FCALL ",Pump:" [L554] FCALL "On" [L558] FCALL "Off" [L562] FCALL ") " [L564] FCALL "\n" [L831] FCALL "Env(Water:%i" [L832] FCALL ",Meth:" [L836] FCALL "CRIT" [L840] FCALL "OK" [L844] FCALL ")" [L462] int pumpRunning = 0; [L463] int systemActive = 1; [L683] int cleanupTimeShifts = 4; [L779] int waterLevel = 1; [L780] int methaneLevelCritical = 0; [L256] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L756] int retValue_acc ; [L757] int tmp ; [L761] FCALL select_helpers() [L762] FCALL select_features() [L763] CALL, EXPR valid_product() [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] RET return (retValue_acc); [L763] EXPR valid_product() [L763] tmp = valid_product() [L765] COND TRUE \read(tmp) [L767] FCALL setup() [L768] CALL runTest() [L750] CALL test() [L617] int splverifierCounter ; [L618] int tmp ; [L619] int tmp___0 ; [L620] int tmp___1 ; [L621] int tmp___2 ; [L624] splverifierCounter = 0 Loop: [L626] COND TRUE 1 [L628] COND TRUE splverifierCounter < 4 [L634] tmp = __VERIFIER_nondet_int() [L636] COND FALSE !(\read(tmp)) [L644] tmp___0 = __VERIFIER_nondet_int() [L646] COND FALSE !(\read(tmp___0)) [L654] tmp___2 = __VERIFIER_nondet_int() [L656] COND TRUE \read(tmp___2) [L658] CALL startSystem() [L573] RET systemActive = 1 [L658] startSystem() [L671] CALL timeShift() [L470] COND FALSE !(\read(pumpRunning)) [L477] COND TRUE \read(systemActive) [L479] FCALL processEnvironment() [L485] CALL __utac_acc__Specification3_spec__1() [L580] int tmp ; [L581] int tmp___0 ; [L582] int tmp___1 ; [L586] CALL, EXPR isMethaneLevelCritical() [L818] int retValue_acc ; [L821] retValue_acc = methaneLevelCritical [L822] RET return (retValue_acc); [L586] EXPR isMethaneLevelCritical() [L586] tmp = isMethaneLevelCritical() [L588] COND FALSE !(\read(tmp)) [L592] CALL, EXPR getWaterLevel() [L850] int retValue_acc ; [L853] retValue_acc = waterLevel [L854] RET return (retValue_acc); [L592] EXPR getWaterLevel() [L592] tmp___0 = getWaterLevel() [L594] COND FALSE, RET !(tmp___0 == 2) [L485] RET __utac_acc__Specification3_spec__1() [L671] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...