./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product11_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_d65133fa-ffe6-4fb6-812a-7d3eaa64fb47/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d65133fa-ffe6-4fb6-812a-7d3eaa64fb47/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d65133fa-ffe6-4fb6-812a-7d3eaa64fb47/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d65133fa-ffe6-4fb6-812a-7d3eaa64fb47/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product11_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d65133fa-ffe6-4fb6-812a-7d3eaa64fb47/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d65133fa-ffe6-4fb6-812a-7d3eaa64fb47/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 024cd1c3d04a85b1ea51a85b80d9a485019f42aa .................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:26:09,594 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:26:09,595 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:26:09,601 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:26:09,601 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:26:09,602 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:26:09,603 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:26:09,604 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:26:09,606 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:26:09,606 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:26:09,607 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:26:09,607 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:26:09,608 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:26:09,609 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:26:09,609 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:26:09,610 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:26:09,611 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:26:09,612 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:26:09,614 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:26:09,615 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:26:09,616 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:26:09,617 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:26:09,618 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:26:09,619 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:26:09,619 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:26:09,620 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:26:09,620 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:26:09,621 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:26:09,622 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:26:09,622 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:26:09,623 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:26:09,623 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:26:09,623 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:26:09,624 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:26:09,624 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:26:09,625 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:26:09,625 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d65133fa-ffe6-4fb6-812a-7d3eaa64fb47/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 16:26:09,636 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:26:09,637 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:26:09,638 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:26:09,638 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:26:09,638 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 16:26:09,638 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 16:26:09,638 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 16:26:09,638 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 16:26:09,639 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 16:26:09,639 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 16:26:09,639 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 16:26:09,639 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:26:09,639 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:26:09,639 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 16:26:09,639 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:26:09,640 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:26:09,640 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:26:09,640 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 16:26:09,640 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 16:26:09,640 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 16:26:09,640 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:26:09,640 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:26:09,641 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 16:26:09,641 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:26:09,641 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 16:26:09,641 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:26:09,641 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:26:09,641 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 16:26:09,641 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:26:09,642 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 16:26:09,642 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 16:26:09,642 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 16:26:09,643 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_d65133fa-ffe6-4fb6-812a-7d3eaa64fb47/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 -> 024cd1c3d04a85b1ea51a85b80d9a485019f42aa [2018-11-18 16:26:09,665 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:26:09,673 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:26:09,676 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:26:09,677 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:26:09,677 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:26:09,678 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d65133fa-ffe6-4fb6-812a-7d3eaa64fb47/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product11_false-unreach-call_false-termination.cil.c [2018-11-18 16:26:09,716 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d65133fa-ffe6-4fb6-812a-7d3eaa64fb47/bin-2019/uautomizer/data/4b857e3fa/e45db564cdb64e99be5d79b4236447b5/FLAG424f449c7 [2018-11-18 16:26:10,152 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:26:10,153 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d65133fa-ffe6-4fb6-812a-7d3eaa64fb47/sv-benchmarks/c/product-lines/minepump_spec3_product11_false-unreach-call_false-termination.cil.c [2018-11-18 16:26:10,163 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d65133fa-ffe6-4fb6-812a-7d3eaa64fb47/bin-2019/uautomizer/data/4b857e3fa/e45db564cdb64e99be5d79b4236447b5/FLAG424f449c7 [2018-11-18 16:26:10,174 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d65133fa-ffe6-4fb6-812a-7d3eaa64fb47/bin-2019/uautomizer/data/4b857e3fa/e45db564cdb64e99be5d79b4236447b5 [2018-11-18 16:26:10,176 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:26:10,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:26:10,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:26:10,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:26:10,180 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:26:10,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:26:10" (1/1) ... [2018-11-18 16:26:10,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:26:10, skipping insertion in model container [2018-11-18 16:26:10,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:26:10" (1/1) ... [2018-11-18 16:26:10,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:26:10,220 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:26:10,413 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:26:10,422 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:26:10,520 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:26:10,538 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:26:10,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:26:10 WrapperNode [2018-11-18 16:26:10,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:26:10,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:26:10,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:26:10,539 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:26:10,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:26:10" (1/1) ... [2018-11-18 16:26:10,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:26:10" (1/1) ... [2018-11-18 16:26:10,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:26:10,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:26:10,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:26:10,572 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:26:10,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:26:10" (1/1) ... [2018-11-18 16:26:10,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:26:10" (1/1) ... [2018-11-18 16:26:10,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:26:10" (1/1) ... [2018-11-18 16:26:10,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:26:10" (1/1) ... [2018-11-18 16:26:10,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:26:10" (1/1) ... [2018-11-18 16:26:10,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:26:10" (1/1) ... [2018-11-18 16:26:10,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:26:10" (1/1) ... [2018-11-18 16:26:10,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:26:10,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:26:10,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:26:10,596 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:26:10,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:26:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d65133fa-ffe6-4fb6-812a-7d3eaa64fb47/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 16:26:10,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:26:10,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:26:10,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:26:11,121 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:26:11,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:26:11 BoogieIcfgContainer [2018-11-18 16:26:11,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:26:11,122 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 16:26:11,122 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 16:26:11,126 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 16:26:11,126 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:26:11,127 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 04:26:10" (1/3) ... [2018-11-18 16:26:11,127 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23b50594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:26:11, skipping insertion in model container [2018-11-18 16:26:11,128 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:26:11,128 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:26:10" (2/3) ... [2018-11-18 16:26:11,128 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23b50594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:26:11, skipping insertion in model container [2018-11-18 16:26:11,128 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:26:11,128 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:26:11" (3/3) ... [2018-11-18 16:26:11,131 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product11_false-unreach-call_false-termination.cil.c [2018-11-18 16:26:11,178 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:26:11,178 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 16:26:11,179 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 16:26:11,179 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 16:26:11,179 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:26:11,179 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:26:11,179 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 16:26:11,179 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:26:11,179 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 16:26:11,193 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 87 states. [2018-11-18 16:26:11,215 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2018-11-18 16:26:11,215 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:26:11,215 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:26:11,221 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:26:11,221 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:26:11,222 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 16:26:11,222 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 87 states. [2018-11-18 16:26:11,225 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2018-11-18 16:26:11,226 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:26:11,226 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:26:11,226 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:26:11,226 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:26:11,230 INFO L794 eck$LassoCheckResult]: Stem: 32#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(30);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(9);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(21);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(30);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(9);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(21);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(25);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(30);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(25);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(13);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 79];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 110];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 79];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 102];#memory_int := #memory_int[#t~string47.base,2 + #t~string47.offset := 102];#memory_int := #memory_int[#t~string47.base,3 + #t~string47.offset := 0];call #t~string49.base, #t~string49.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 44];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 80];#memory_int := #memory_int[#t~string49.base,2 + #t~string49.offset := 117];#memory_int := #memory_int[#t~string49.base,3 + #t~string49.offset := 109];#memory_int := #memory_int[#t~string49.base,4 + #t~string49.offset := 112];#memory_int := #memory_int[#t~string49.base,5 + #t~string49.offset := 58];#memory_int := #memory_int[#t~string49.base,6 + #t~string49.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 79];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 110];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 79];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 102];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 102];#memory_int := #memory_int[#t~string53.base,3 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 41];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 32];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 10];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 77];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 101];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 116];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 104];#memory_int := #memory_int[#t~string65.base,5 + #t~string65.offset := 58];#memory_int := #memory_int[#t~string65.base,6 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 67];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 82];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 73];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 84];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 75];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 17#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 20#L204true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 3#L197true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 13#L212true main_#t~ret3 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 9#L168true assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 84#L141true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 14#L738-3true [2018-11-18 16:26:11,231 INFO L796 eck$LassoCheckResult]: Loop: 14#L738-3true assume true; 7#L738-1true assume !false; 24#L739true assume test_~splverifierCounter~0 < 4; 38#L740true test_~tmp~6 := test_#t~nondet58;havoc test_#t~nondet58; 68#L748true assume !(0 != test_~tmp~6); 73#L748-2true test_~tmp___0~1 := test_#t~nondet59;havoc test_#t~nondet59; 49#L758true assume !(0 != test_~tmp___0~1); 30#L758-2true test_~tmp___2~0 := test_#t~nondet60;havoc test_#t~nondet60; 29#L768true assume 0 != test_~tmp___2~0; 60#L774-2true assume { :begin_inline_timeShift } true; 81#L595true assume !(0 != ~pumpRunning~0); 83#L595-2true assume !(0 != ~systemActive~0); 61#L602-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;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; 89#L847true __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 78#L53true assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 23#L59-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 40#L612true assume { :end_inline_timeShift } true; 14#L738-3true [2018-11-18 16:26:11,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:26:11,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 16:26:11,237 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:26:11,238 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:26:11,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:26:11,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:26:11,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:26:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:26:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:26:11,394 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:26:11,394 INFO L82 PathProgramCache]: Analyzing trace with hash 169411973, now seen corresponding path program 1 times [2018-11-18 16:26:11,394 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:26:11,395 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:26:11,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:26:11,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:26:11,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:26:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:26:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:26:11,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:26:11,407 INFO L82 PathProgramCache]: Analyzing trace with hash -762269631, now seen corresponding path program 1 times [2018-11-18 16:26:11,407 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:26:11,407 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:26:11,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:26:11,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:26:11,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:26:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:26:11,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:26:11,535 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:26:11,535 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:26:11,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:26:11,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:26:11,619 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 6 states. [2018-11-18 16:26:11,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:26:11,798 INFO L93 Difference]: Finished difference Result 233 states and 296 transitions. [2018-11-18 16:26:11,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:26:11,800 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 233 states and 296 transitions. [2018-11-18 16:26:11,806 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 149 [2018-11-18 16:26:11,811 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 233 states to 203 states and 266 transitions. [2018-11-18 16:26:11,812 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 203 [2018-11-18 16:26:11,812 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 203 [2018-11-18 16:26:11,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 203 states and 266 transitions. [2018-11-18 16:26:11,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:26:11,814 INFO L705 BuchiCegarLoop]: Abstraction has 203 states and 266 transitions. [2018-11-18 16:26:11,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states and 266 transitions. [2018-11-18 16:26:11,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 134. [2018-11-18 16:26:11,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-11-18 16:26:11,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 176 transitions. [2018-11-18 16:26:11,839 INFO L728 BuchiCegarLoop]: Abstraction has 134 states and 176 transitions. [2018-11-18 16:26:11,839 INFO L608 BuchiCegarLoop]: Abstraction has 134 states and 176 transitions. [2018-11-18 16:26:11,839 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 16:26:11,839 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 134 states and 176 transitions. [2018-11-18 16:26:11,841 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 98 [2018-11-18 16:26:11,841 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:26:11,841 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:26:11,841 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:26:11,842 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 16:26:11,842 INFO L794 eck$LassoCheckResult]: Stem: 375#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(30);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(9);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(21);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(30);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(9);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(21);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(25);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(30);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(25);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(13);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 79];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 110];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 79];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 102];#memory_int := #memory_int[#t~string47.base,2 + #t~string47.offset := 102];#memory_int := #memory_int[#t~string47.base,3 + #t~string47.offset := 0];call #t~string49.base, #t~string49.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 44];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 80];#memory_int := #memory_int[#t~string49.base,2 + #t~string49.offset := 117];#memory_int := #memory_int[#t~string49.base,3 + #t~string49.offset := 109];#memory_int := #memory_int[#t~string49.base,4 + #t~string49.offset := 112];#memory_int := #memory_int[#t~string49.base,5 + #t~string49.offset := 58];#memory_int := #memory_int[#t~string49.base,6 + #t~string49.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 79];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 110];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 79];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 102];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 102];#memory_int := #memory_int[#t~string53.base,3 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 41];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 32];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 10];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 77];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 101];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 116];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 104];#memory_int := #memory_int[#t~string65.base,5 + #t~string65.offset := 58];#memory_int := #memory_int[#t~string65.base,6 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 67];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 82];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 73];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 84];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 75];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 357#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 358#L204 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 338#L197 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 339#L212 main_#t~ret3 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 349#L168 assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 350#L141 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 354#L738-3 [2018-11-18 16:26:11,842 INFO L796 eck$LassoCheckResult]: Loop: 354#L738-3 assume true; 345#L738-1 assume !false; 346#L739 assume test_~splverifierCounter~0 < 4; 364#L740 test_~tmp~6 := test_#t~nondet58;havoc test_#t~nondet58; 383#L748 assume !(0 != test_~tmp~6); 408#L748-2 test_~tmp___0~1 := test_#t~nondet59;havoc test_#t~nondet59; 391#L758 assume !(0 != test_~tmp___0~1); 369#L758-2 test_~tmp___2~0 := test_#t~nondet60;havoc test_#t~nondet60; 370#L768 assume 0 != test_~tmp___2~0; 371#L774-2 assume { :begin_inline_timeShift } true; 403#L595 assume !(0 != ~pumpRunning~0); 398#L595-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 392#L619 assume { :end_inline_processEnvironment } true; 393#L602-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;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; 404#L847 __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 411#L53 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 362#L59-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 363#L612 assume { :end_inline_timeShift } true; 354#L738-3 [2018-11-18 16:26:11,842 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:26:11,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 16:26:11,842 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:26:11,842 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:26:11,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:26:11,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:26:11,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:26:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:26:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:26:11,883 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:26:11,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1585280432, now seen corresponding path program 1 times [2018-11-18 16:26:11,883 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:26:11,883 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:26:11,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:26:11,884 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:26:11,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:26:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:26:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:26:11,892 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:26:11,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1527045516, now seen corresponding path program 1 times [2018-11-18 16:26:11,892 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:26:11,893 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:26:11,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:26:11,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:26:11,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:26:11,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:26:11,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:26:11,951 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:26:11,951 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 16:26:12,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:26:12,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:26:12,017 INFO L87 Difference]: Start difference. First operand 134 states and 176 transitions. cyclomatic complexity: 45 Second operand 5 states. [2018-11-18 16:26:12,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:26:12,162 INFO L93 Difference]: Finished difference Result 442 states and 584 transitions. [2018-11-18 16:26:12,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:26:12,163 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 442 states and 584 transitions. [2018-11-18 16:26:12,168 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 343 [2018-11-18 16:26:12,173 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 442 states to 442 states and 584 transitions. [2018-11-18 16:26:12,173 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 442 [2018-11-18 16:26:12,174 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 442 [2018-11-18 16:26:12,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 442 states and 584 transitions. [2018-11-18 16:26:12,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:26:12,176 INFO L705 BuchiCegarLoop]: Abstraction has 442 states and 584 transitions. [2018-11-18 16:26:12,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states and 584 transitions. [2018-11-18 16:26:12,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 261. [2018-11-18 16:26:12,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-11-18 16:26:12,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 337 transitions. [2018-11-18 16:26:12,191 INFO L728 BuchiCegarLoop]: Abstraction has 261 states and 337 transitions. [2018-11-18 16:26:12,191 INFO L608 BuchiCegarLoop]: Abstraction has 261 states and 337 transitions. [2018-11-18 16:26:12,191 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 16:26:12,191 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 261 states and 337 transitions. [2018-11-18 16:26:12,193 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 196 [2018-11-18 16:26:12,194 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:26:12,194 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:26:12,194 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:26:12,195 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 16:26:12,195 INFO L794 eck$LassoCheckResult]: Stem: 974#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(30);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(9);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(21);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(30);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(9);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(21);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(25);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(30);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(25);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(13);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 79];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 110];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 79];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 102];#memory_int := #memory_int[#t~string47.base,2 + #t~string47.offset := 102];#memory_int := #memory_int[#t~string47.base,3 + #t~string47.offset := 0];call #t~string49.base, #t~string49.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 44];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 80];#memory_int := #memory_int[#t~string49.base,2 + #t~string49.offset := 117];#memory_int := #memory_int[#t~string49.base,3 + #t~string49.offset := 109];#memory_int := #memory_int[#t~string49.base,4 + #t~string49.offset := 112];#memory_int := #memory_int[#t~string49.base,5 + #t~string49.offset := 58];#memory_int := #memory_int[#t~string49.base,6 + #t~string49.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 79];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 110];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 79];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 102];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 102];#memory_int := #memory_int[#t~string53.base,3 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 41];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 32];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 10];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 77];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 101];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 116];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 104];#memory_int := #memory_int[#t~string65.base,5 + #t~string65.offset := 58];#memory_int := #memory_int[#t~string65.base,6 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 67];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 82];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 73];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 84];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 75];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 952#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret3, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 953#L204 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 932#L197 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 933#L212 main_#t~ret3 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret3;havoc main_#t~ret3; 943#L168 assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 944#L141 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 949#L738-3 [2018-11-18 16:26:12,195 INFO L796 eck$LassoCheckResult]: Loop: 949#L738-3 assume true; 939#L738-1 assume !false; 940#L739 assume test_~splverifierCounter~0 < 4; 959#L740 test_~tmp~6 := test_#t~nondet58;havoc test_#t~nondet58; 984#L748 assume !(0 != test_~tmp~6); 1019#L748-2 test_~tmp___0~1 := test_#t~nondet59;havoc test_#t~nondet59; 997#L758 assume !(0 != test_~tmp___0~1); 968#L758-2 test_~tmp___2~0 := test_#t~nondet60;havoc test_#t~nondet60; 969#L768 assume 0 != test_~tmp___2~0; 970#L774-2 assume { :begin_inline_timeShift } true; 1011#L595 assume !(0 != ~pumpRunning~0); 1005#L595-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 998#L619 assume { :end_inline_processEnvironment } true; 999#L602-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;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; 1012#L847 __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 1025#L53 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);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; 1009#L879 __utac_acc__Specification3_spec__1_#t~ret1 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; 1010#L59 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0); 1168#L59-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 985#L612 assume { :end_inline_timeShift } true; 949#L738-3 [2018-11-18 16:26:12,195 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:26:12,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 16:26:12,196 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:26:12,196 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:26:12,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:26:12,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:26:12,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:26:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:26:12,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:26:12,228 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:26:12,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1257644157, now seen corresponding path program 1 times [2018-11-18 16:26:12,228 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:26:12,228 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:26:12,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:26:12,230 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:26:12,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:26:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:26:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:26:12,237 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:26:12,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1389325127, now seen corresponding path program 1 times [2018-11-18 16:26:12,237 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:26:12,237 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:26:12,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:26:12,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:26:12,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:26:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:26:12,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:26:52,207 WARN L180 SmtUtils]: Spent 39.86 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 16:27:03,832 WARN L180 SmtUtils]: Spent 11.62 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 16:27:03,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 04:27:03 BoogieIcfgContainer [2018-11-18 16:27:03,896 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 16:27:03,897 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:27:03,897 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:27:03,897 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:27:03,897 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:26:11" (3/4) ... [2018-11-18 16:27:03,899 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 16:27:03,937 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d65133fa-ffe6-4fb6-812a-7d3eaa64fb47/bin-2019/uautomizer/witness.graphml [2018-11-18 16:27:03,938 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:27:03,938 INFO L168 Benchmark]: Toolchain (without parser) took 53761.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 206.6 MB). Free memory was 959.7 MB in the beginning and 851.0 MB in the end (delta: 108.7 MB). Peak memory consumption was 315.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:27:03,939 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:27:03,939 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 959.7 MB in the beginning and 1.1 GB in the end (delta: -164.6 MB). Peak memory consumption was 37.0 MB. Max. memory is 11.5 GB. [2018-11-18 16:27:03,940 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.99 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 16:27:03,940 INFO L168 Benchmark]: Boogie Preprocessor took 23.82 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 16:27:03,940 INFO L168 Benchmark]: RCFGBuilder took 525.75 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: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:27:03,940 INFO L168 Benchmark]: BuchiAutomizer took 52774.44 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.9 MB). Free memory was 1.1 GB in the beginning and 856.4 MB in the end (delta: 205.4 MB). Peak memory consumption was 278.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:27:03,941 INFO L168 Benchmark]: Witness Printer took 40.92 ms. Allocated memory is still 1.2 GB. Free memory was 856.4 MB in the beginning and 851.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:27:03,943 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 360.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 959.7 MB in the beginning and 1.1 GB in the end (delta: -164.6 MB). Peak memory consumption was 37.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.99 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. * Boogie Preprocessor took 23.82 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 525.75 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: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 52774.44 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.9 MB). Free memory was 1.1 GB in the beginning and 856.4 MB in the end (delta: 205.4 MB). Peak memory consumption was 278.3 MB. Max. memory is 11.5 GB. * Witness Printer took 40.92 ms. Allocated memory is still 1.2 GB. Free memory was 856.4 MB in the beginning and 851.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 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 261 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 52.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 52.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 250 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 261 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 238 SDtfs, 706 SDslu, 1048 SDs, 0 SdLazy, 87 SolverSat, 23 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: 738]: 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 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a7cb164=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70bc3bfe=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1202925b=0, "Off"=0, ") "=34, "Env(Water:%i"=0, retValue_acc=0, ")"=40, "On"=0, "Env(Water:%i"=36, "Pump(System:"=0, methaneLevelCritical=0, "__utac__get_this_argtype"=26, ",Meth:"=0, "OK"=0, "libacc.c"=20, tmp=0, "CRIT"=0, tmp___1=0, "i > 0 && i <= this->argsCount"=11, tmp___0=1, "__utac__get_this_arg"=18, "libacc.c"=24, tmp=0, cleanupTimeShifts=4, "__utac__get_this_argtype"=22, "__utac__get_this_arg"=15, "On"=8, "Off"=33, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, NULL=0, systemActive=1, waterLevel=1, "OK"=39, \result=1, "i > 0 && i <= this->argsCount"=0, retValue_acc=0, ",Pump:"=0, "Off"=28, ") "=0, "\n"=0, "Off"=0, \result=1, head=0, pumpRunning=0, ",Pump:"=29, "\n"=35, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@781784f=0, "libacc.c"=0, tmp=1, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "On"=0, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=23, "CRIT"=38, ")"=0, retValue_acc=1, retValue_acc=1, tmp___2=148, tmp___0=0, "i > 0 && i <= this->argsCount"=16, splverifierCounter=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23975bc9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a1b4b5f=0, tmp___1=0, head=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=0, "libacc.c"=12, "libacc.c"=0, "libacc.c"=17, "i > 0 && i <= this->argsCount"=19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14c323dc=0, "__utac__get_this_argtype"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c9b220e=148, "Pump(System:"=27, ",Meth:"=37, "On"=31} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 738]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L514] FCALL "i > 0 && i <= this->argsCount" [L514] FCALL "libacc.c" [L515] FCALL "__utac__get_this_arg" [L521] FCALL "i > 0 && i <= this->argsCount" [L521] FCALL "libacc.c" [L522] FCALL "__utac__get_this_arg" [L560] FCALL "i > 0 && i <= this->argsCount" [L560] FCALL "libacc.c" [L561] FCALL "__utac__get_this_argtype" [L567] FCALL "i > 0 && i <= this->argsCount" [L567] FCALL "libacc.c" [L568] FCALL "__utac__get_this_argtype" [L681] FCALL "Pump(System:" [L685] FCALL "On" [L689] FCALL "Off" [L693] FCALL ",Pump:" [L697] FCALL "On" [L701] FCALL "Off" [L705] FCALL ") " [L707] FCALL "\n" [L856] FCALL "Env(Water:%i" [L857] FCALL ",Meth:" [L861] FCALL "CRIT" [L865] FCALL "OK" [L869] FCALL ")" [L78] int cleanupTimeShifts = 4; [L588] int pumpRunning = 0; [L589] int systemActive = 1; [L804] int waterLevel = 1; [L805] int methaneLevelCritical = 0; [L386] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L159] int retValue_acc ; [L160] int tmp ; [L164] FCALL select_helpers() [L165] FCALL select_features() [L166] CALL, EXPR valid_product() [L208] int retValue_acc ; [L211] retValue_acc = 1 [L212] RET return (retValue_acc); [L166] EXPR valid_product() [L166] tmp = valid_product() [L168] COND TRUE \read(tmp) [L170] FCALL setup() [L171] CALL runTest() [L150] CALL test() [L729] int splverifierCounter ; [L730] int tmp ; [L731] int tmp___0 ; [L732] int tmp___1 ; [L733] int tmp___2 ; [L736] splverifierCounter = 0 Loop: [L738] COND TRUE 1 [L740] COND TRUE splverifierCounter < 4 [L746] tmp = __VERIFIER_nondet_int() [L748] COND FALSE !(\read(tmp)) [L756] tmp___0 = __VERIFIER_nondet_int() [L758] COND FALSE !(\read(tmp___0)) [L766] tmp___2 = __VERIFIER_nondet_int() [L768] COND TRUE \read(tmp___2) [L783] CALL timeShift() [L595] COND FALSE !(\read(pumpRunning)) [L602] COND TRUE \read(systemActive) [L604] FCALL processEnvironment() [L610] CALL __utac_acc__Specification3_spec__1() [L45] int tmp ; [L46] int tmp___0 ; [L47] int tmp___1 ; [L51] CALL, EXPR isMethaneLevelCritical() [L843] int retValue_acc ; [L846] retValue_acc = methaneLevelCritical [L847] RET return (retValue_acc); [L51] EXPR isMethaneLevelCritical() [L51] tmp = isMethaneLevelCritical() [L53] COND FALSE !(\read(tmp)) [L57] CALL, EXPR getWaterLevel() [L875] int retValue_acc ; [L878] retValue_acc = waterLevel [L879] RET return (retValue_acc); [L57] EXPR getWaterLevel() [L57] tmp___0 = getWaterLevel() [L59] COND FALSE, RET !(tmp___0 == 2) [L610] RET __utac_acc__Specification3_spec__1() [L783] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...