./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product53_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_b880e7b1-9fdf-488f-8e00-6954242d1c11/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b880e7b1-9fdf-488f-8e00-6954242d1c11/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b880e7b1-9fdf-488f-8e00-6954242d1c11/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b880e7b1-9fdf-488f-8e00-6954242d1c11/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product53_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b880e7b1-9fdf-488f-8e00-6954242d1c11/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b880e7b1-9fdf-488f-8e00-6954242d1c11/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 c24c1e7ee4ec00cdeabebf427b1fca35e12bb483 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:22:48,118 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:22:48,119 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:22:48,127 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:22:48,127 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:22:48,128 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:22:48,129 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:22:48,130 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:22:48,131 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:22:48,132 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:22:48,132 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:22:48,133 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:22:48,133 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:22:48,134 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:22:48,135 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:22:48,136 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:22:48,136 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:22:48,138 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:22:48,139 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:22:48,141 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:22:48,141 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:22:48,142 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:22:48,144 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:22:48,144 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:22:48,144 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:22:48,145 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:22:48,146 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:22:48,147 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:22:48,147 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:22:48,148 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:22:48,148 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:22:48,149 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:22:48,149 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:22:48,149 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:22:48,150 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:22:48,151 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:22:48,151 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b880e7b1-9fdf-488f-8e00-6954242d1c11/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 11:22:48,163 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:22:48,163 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:22:48,164 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:22:48,164 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:22:48,164 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:22:48,165 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 11:22:48,165 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 11:22:48,165 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 11:22:48,165 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 11:22:48,165 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 11:22:48,165 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 11:22:48,165 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:22:48,166 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:22:48,166 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 11:22:48,166 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:22:48,166 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:22:48,166 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:22:48,166 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 11:22:48,166 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 11:22:48,166 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 11:22:48,167 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:22:48,167 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:22:48,167 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 11:22:48,167 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:22:48,167 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 11:22:48,167 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:22:48,167 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:22:48,168 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 11:22:48,168 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:22:48,168 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:22:48,168 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 11:22:48,169 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 11:22:48,169 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_b880e7b1-9fdf-488f-8e00-6954242d1c11/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 -> c24c1e7ee4ec00cdeabebf427b1fca35e12bb483 [2018-11-18 11:22:48,194 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:22:48,203 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:22:48,206 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:22:48,207 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:22:48,207 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:22:48,208 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b880e7b1-9fdf-488f-8e00-6954242d1c11/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product53_false-unreach-call_false-termination.cil.c [2018-11-18 11:22:48,249 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b880e7b1-9fdf-488f-8e00-6954242d1c11/bin-2019/uautomizer/data/50c76e043/c3b2047debca4cabba01eba0c10a7f17/FLAG5a7015a35 [2018-11-18 11:22:48,618 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:22:48,618 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b880e7b1-9fdf-488f-8e00-6954242d1c11/sv-benchmarks/c/product-lines/minepump_spec1_product53_false-unreach-call_false-termination.cil.c [2018-11-18 11:22:48,628 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b880e7b1-9fdf-488f-8e00-6954242d1c11/bin-2019/uautomizer/data/50c76e043/c3b2047debca4cabba01eba0c10a7f17/FLAG5a7015a35 [2018-11-18 11:22:49,010 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b880e7b1-9fdf-488f-8e00-6954242d1c11/bin-2019/uautomizer/data/50c76e043/c3b2047debca4cabba01eba0c10a7f17 [2018-11-18 11:22:49,012 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:22:49,013 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:22:49,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:22:49,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:22:49,016 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:22:49,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:22:49" (1/1) ... [2018-11-18 11:22:49,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e0d4b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:49, skipping insertion in model container [2018-11-18 11:22:49,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:22:49" (1/1) ... [2018-11-18 11:22:49,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:22:49,066 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:22:49,301 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:22:49,310 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:22:49,431 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:22:49,452 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:22:49,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:49 WrapperNode [2018-11-18 11:22:49,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:22:49,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:22:49,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:22:49,453 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:22:49,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:49" (1/1) ... [2018-11-18 11:22:49,472 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:49" (1/1) ... [2018-11-18 11:22:49,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:22:49,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:22:49,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:22:49,506 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:22:49,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:49" (1/1) ... [2018-11-18 11:22:49,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:49" (1/1) ... [2018-11-18 11:22:49,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:49" (1/1) ... [2018-11-18 11:22:49,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:49" (1/1) ... [2018-11-18 11:22:49,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:49" (1/1) ... [2018-11-18 11:22:49,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:49" (1/1) ... [2018-11-18 11:22:49,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:49" (1/1) ... [2018-11-18 11:22:49,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:22:49,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:22:49,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:22:49,546 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:22:49,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b880e7b1-9fdf-488f-8e00-6954242d1c11/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 11:22:49,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:22:49,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:22:49,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:22:50,342 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:22:50,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:22:50 BoogieIcfgContainer [2018-11-18 11:22:50,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:22:50,343 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 11:22:50,344 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 11:22:50,346 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 11:22:50,347 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:22:50,347 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 11:22:49" (1/3) ... [2018-11-18 11:22:50,348 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a908223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:22:50, skipping insertion in model container [2018-11-18 11:22:50,348 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:22:50,349 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:49" (2/3) ... [2018-11-18 11:22:50,350 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a908223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:22:50, skipping insertion in model container [2018-11-18 11:22:50,350 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:22:50,350 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:22:50" (3/3) ... [2018-11-18 11:22:50,352 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product53_false-unreach-call_false-termination.cil.c [2018-11-18 11:22:50,389 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:22:50,389 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 11:22:50,389 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 11:22:50,390 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 11:22:50,390 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:22:50,390 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:22:50,390 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 11:22:50,390 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:22:50,390 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 11:22:50,407 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 272 states. [2018-11-18 11:22:50,434 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 178 [2018-11-18 11:22:50,434 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:22:50,435 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:22:50,440 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:22:50,440 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 11:22:50,440 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 11:22:50,440 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 272 states. [2018-11-18 11:22:50,448 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 178 [2018-11-18 11:22:50,448 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:22:50,448 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:22:50,449 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:22:50,449 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 11:22:50,453 INFO L794 eck$LassoCheckResult]: Stem: 86#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(30);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(9);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(21);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~string29.base, #t~string29.offset := #Ultimate.alloc(30);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(9);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(25);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~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~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 44];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 77];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 101];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 116];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 104];#memory_int := #memory_int[#t~string68.base,5 + #t~string68.offset := 58];#memory_int := #memory_int[#t~string68.base,6 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 67];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 82];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 73];#memory_int := #memory_int[#t~string70.base,3 + #t~string70.offset := 84];#memory_int := #memory_int[#t~string70.base,4 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 79];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 75];#memory_int := #memory_int[#t~string72.base,2 + #t~string72.offset := 0];call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string74.base,#t~string74.offset := 41];#memory_int := #memory_int[#t~string74.base,1 + #t~string74.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; 19#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 99#L864true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 52#L857true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 252#L872true main_#t~ret37 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret37;havoc main_#t~ret37; 82#L534true assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 204#L507true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 89#L787-3true [2018-11-18 11:22:50,454 INFO L796 eck$LassoCheckResult]: Loop: 89#L787-3true assume true; 87#L787-1true assume !false; 194#L788true assume test_~splverifierCounter~0 < 4; 153#L789true test_~tmp~10 := test_#t~nondet60;havoc test_#t~nondet60; 23#L797true assume !(0 != test_~tmp~10); 29#L797-2true test_~tmp___0~3 := test_#t~nondet61;havoc test_#t~nondet61; 68#L807true assume !(0 != test_~tmp___0~3); 72#L807-2true test_~tmp___2~0 := test_#t~nondet62;havoc test_#t~nondet62; 254#L817true assume 0 != test_~tmp___2~0; 234#L823-2true assume { :begin_inline_timeShift } true; 107#L561true assume !(0 != ~pumpRunning~0); 111#L561-2true assume !(0 != ~systemActive~0); 187#L568-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 138#L921-1true __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 151#L51true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 146#L51-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 80#L578true assume { :end_inline_timeShift } true; 89#L787-3true [2018-11-18 11:22:50,458 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:22:50,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 11:22:50,460 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:22:50,461 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:22:50,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:50,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:22:50,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:50,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:22:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:22:50,627 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:22:50,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1224584013, now seen corresponding path program 1 times [2018-11-18 11:22:50,627 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:22:50,627 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:22:50,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:50,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:22:50,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:50,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:22:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:22:50,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:22:50,641 INFO L82 PathProgramCache]: Analyzing trace with hash 2138701679, now seen corresponding path program 1 times [2018-11-18 11:22:50,642 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:22:50,642 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:22:50,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:50,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:22:50,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:50,787 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 11:22:50,789 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:22:50,790 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:22:50,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:22:50,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:22:50,861 INFO L87 Difference]: Start difference. First operand 272 states. Second operand 6 states. [2018-11-18 11:22:51,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:22:51,003 INFO L93 Difference]: Finished difference Result 269 states and 357 transitions. [2018-11-18 11:22:51,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 11:22:51,006 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 269 states and 357 transitions. [2018-11-18 11:22:51,011 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 174 [2018-11-18 11:22:51,018 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 269 states to 259 states and 347 transitions. [2018-11-18 11:22:51,019 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 259 [2018-11-18 11:22:51,020 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 259 [2018-11-18 11:22:51,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 259 states and 347 transitions. [2018-11-18 11:22:51,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:22:51,023 INFO L705 BuchiCegarLoop]: Abstraction has 259 states and 347 transitions. [2018-11-18 11:22:51,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states and 347 transitions. [2018-11-18 11:22:51,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 259. [2018-11-18 11:22:51,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2018-11-18 11:22:51,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 347 transitions. [2018-11-18 11:22:51,055 INFO L728 BuchiCegarLoop]: Abstraction has 259 states and 347 transitions. [2018-11-18 11:22:51,055 INFO L608 BuchiCegarLoop]: Abstraction has 259 states and 347 transitions. [2018-11-18 11:22:51,055 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 11:22:51,056 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 259 states and 347 transitions. [2018-11-18 11:22:51,058 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 174 [2018-11-18 11:22:51,058 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:22:51,058 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:22:51,059 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:22:51,059 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:22:51,060 INFO L794 eck$LassoCheckResult]: Stem: 698#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(30);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(9);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(21);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~string29.base, #t~string29.offset := #Ultimate.alloc(30);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(9);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(25);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~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~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 44];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 77];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 101];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 116];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 104];#memory_int := #memory_int[#t~string68.base,5 + #t~string68.offset := 58];#memory_int := #memory_int[#t~string68.base,6 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 67];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 82];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 73];#memory_int := #memory_int[#t~string70.base,3 + #t~string70.offset := 84];#memory_int := #memory_int[#t~string70.base,4 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 79];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 75];#memory_int := #memory_int[#t~string72.base,2 + #t~string72.offset := 0];call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string74.base,#t~string74.offset := 41];#memory_int := #memory_int[#t~string74.base,1 + #t~string74.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; 591#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 592#L864 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 647#L857 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 648#L872 main_#t~ret37 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret37;havoc main_#t~ret37; 693#L534 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 694#L507 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 690#L787-3 [2018-11-18 11:22:51,060 INFO L796 eck$LassoCheckResult]: Loop: 690#L787-3 assume true; 699#L787-1 assume !false; 700#L788 assume test_~splverifierCounter~0 < 4; 765#L789 test_~tmp~10 := test_#t~nondet60;havoc test_#t~nondet60; 600#L797 assume !(0 != test_~tmp~10); 597#L797-2 test_~tmp___0~3 := test_#t~nondet61;havoc test_#t~nondet61; 611#L807 assume !(0 != test_~tmp___0~3); 674#L807-2 test_~tmp___2~0 := test_#t~nondet62;havoc test_#t~nondet62; 679#L817 assume 0 != test_~tmp___2~0; 817#L823-2 assume { :begin_inline_timeShift } true; 721#L561 assume !(0 != ~pumpRunning~0); 672#L561-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 727#L645 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret41, isMethaneAlarm_~retValue_acc~4;havoc isMethaneAlarm_~retValue_acc~4;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 746#L921 isMethaneAlarm_#t~ret41 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~4 := isMethaneAlarm_#t~ret41;havoc isMethaneAlarm_#t~ret41;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~4; 747#L689 processEnvironment_#t~ret40 := isMethaneAlarm_#res;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~7 := processEnvironment_#t~ret40;havoc processEnvironment_#t~ret40; 713#L649 assume 0 != processEnvironment_~tmp~7;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 714#L679 assume { :end_inline_deactivatePump } true; 797#L645-1 assume { :end_inline_processEnvironment } true; 798#L568-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 751#L921-1 __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 752#L51 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 701#L51-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 689#L578 assume { :end_inline_timeShift } true; 690#L787-3 [2018-11-18 11:22:51,060 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:22:51,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 11:22:51,061 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:22:51,061 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:22:51,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:51,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:22:51,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:51,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:22:51,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:22:51,116 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:22:51,116 INFO L82 PathProgramCache]: Analyzing trace with hash -917613220, now seen corresponding path program 1 times [2018-11-18 11:22:51,116 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:22:51,117 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:22:51,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:51,118 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:22:51,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:51,135 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 11:22:51,136 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:22:51,136 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:22:51,136 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 11:22:51,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:22:51,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:22:51,137 INFO L87 Difference]: Start difference. First operand 259 states and 347 transitions. cyclomatic complexity: 90 Second operand 3 states. [2018-11-18 11:22:51,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:22:51,263 INFO L93 Difference]: Finished difference Result 271 states and 342 transitions. [2018-11-18 11:22:51,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:22:51,264 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 271 states and 342 transitions. [2018-11-18 11:22:51,266 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 188 [2018-11-18 11:22:51,268 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 271 states to 271 states and 342 transitions. [2018-11-18 11:22:51,269 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 271 [2018-11-18 11:22:51,269 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 271 [2018-11-18 11:22:51,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 271 states and 342 transitions. [2018-11-18 11:22:51,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:22:51,271 INFO L705 BuchiCegarLoop]: Abstraction has 271 states and 342 transitions. [2018-11-18 11:22:51,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states and 342 transitions. [2018-11-18 11:22:51,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2018-11-18 11:22:51,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2018-11-18 11:22:51,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 342 transitions. [2018-11-18 11:22:51,283 INFO L728 BuchiCegarLoop]: Abstraction has 271 states and 342 transitions. [2018-11-18 11:22:51,283 INFO L608 BuchiCegarLoop]: Abstraction has 271 states and 342 transitions. [2018-11-18 11:22:51,283 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 11:22:51,283 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 271 states and 342 transitions. [2018-11-18 11:22:51,285 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 188 [2018-11-18 11:22:51,285 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:22:51,285 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:22:51,286 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:22:51,287 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:22:51,287 INFO L794 eck$LassoCheckResult]: Stem: 1209#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(30);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(9);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(21);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~string29.base, #t~string29.offset := #Ultimate.alloc(30);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(9);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(25);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~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~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 44];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 77];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 101];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 116];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 104];#memory_int := #memory_int[#t~string68.base,5 + #t~string68.offset := 58];#memory_int := #memory_int[#t~string68.base,6 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 67];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 82];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 73];#memory_int := #memory_int[#t~string70.base,3 + #t~string70.offset := 84];#memory_int := #memory_int[#t~string70.base,4 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 79];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 75];#memory_int := #memory_int[#t~string72.base,2 + #t~string72.offset := 0];call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string74.base,#t~string74.offset := 41];#memory_int := #memory_int[#t~string74.base,1 + #t~string74.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; 1120#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 1121#L864 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1162#L857 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 1163#L872 main_#t~ret37 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret37;havoc main_#t~ret37; 1203#L534 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 1204#L507 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1213#L787-3 [2018-11-18 11:22:51,287 INFO L796 eck$LassoCheckResult]: Loop: 1213#L787-3 assume true; 1210#L787-1 assume !false; 1211#L788 assume test_~splverifierCounter~0 < 4; 1275#L789 test_~tmp~10 := test_#t~nondet60;havoc test_#t~nondet60; 1130#L797 assume !(0 != test_~tmp~10); 1126#L797-2 test_~tmp___0~3 := test_#t~nondet61;havoc test_#t~nondet61; 1139#L807 assume !(0 != test_~tmp___0~3); 1184#L807-2 test_~tmp___2~0 := test_#t~nondet62;havoc test_#t~nondet62; 1188#L817 assume 0 != test_~tmp___2~0; 1310#L823-2 assume { :begin_inline_timeShift } true; 1233#L561 assume !(0 != ~pumpRunning~0); 1234#L561-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 1242#L645 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret39, processEnvironment__wrappee__lowWaterSensor_~tmp~6;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~6; 1303#L619-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret38, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; 1148#L593-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret58, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; 1149#L961-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; 1177#L966-3 isHighWaterLevel_#t~ret58 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret58;havoc isHighWaterLevel_#t~ret58; 1146#L747-9 assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~1 := 0; 1147#L747-11 isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; 1097#L753-3 processEnvironment__wrappee__highWaterSensor_#t~ret38 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret38;havoc processEnvironment__wrappee__highWaterSensor_#t~ret38; 1098#L597-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5);assume { :begin_inline_processEnvironment__wrappee__base } true; 1263#L585-6 assume { :end_inline_processEnvironment__wrappee__base } true; 1150#L593-7 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1151#L619-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 1294#L645-1 assume { :end_inline_processEnvironment } true; 1295#L568-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 1264#L921-1 __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 1265#L51 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 1212#L51-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 1273#L578 assume { :end_inline_timeShift } true; 1213#L787-3 [2018-11-18 11:22:51,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:22:51,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 11:22:51,288 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:22:51,288 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:22:51,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:51,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:22:51,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:22:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:22:51,325 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:22:51,325 INFO L82 PathProgramCache]: Analyzing trace with hash 700719388, now seen corresponding path program 1 times [2018-11-18 11:22:51,325 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:22:51,325 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:22:51,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:51,326 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:22:51,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:22:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:22:51,338 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:22:51,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1097910240, now seen corresponding path program 1 times [2018-11-18 11:22:51,338 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:22:51,338 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:22:51,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:51,339 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:22:51,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:22:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:22:51,485 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2018-11-18 11:23:21,331 WARN L180 SmtUtils]: Spent 29.80 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 11:23:40,006 WARN L180 SmtUtils]: Spent 18.67 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 11:23:40,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 11:23:40 BoogieIcfgContainer [2018-11-18 11:23:40,064 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 11:23:40,064 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:23:40,064 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:23:40,064 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:23:40,065 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:22:50" (3/4) ... [2018-11-18 11:23:40,067 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 11:23:40,108 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b880e7b1-9fdf-488f-8e00-6954242d1c11/bin-2019/uautomizer/witness.graphml [2018-11-18 11:23:40,108 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:23:40,109 INFO L168 Benchmark]: Toolchain (without parser) took 51096.40 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 315.6 MB). Free memory was 956.4 MB in the beginning and 1.3 GB in the end (delta: -325.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:23:40,109 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 11:23:40,109 INFO L168 Benchmark]: CACSL2BoogieTranslator took 439.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:23:40,110 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.93 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 11:23:40,110 INFO L168 Benchmark]: Boogie Preprocessor took 39.35 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 11:23:40,110 INFO L168 Benchmark]: RCFGBuilder took 797.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 95.3 MB). Peak memory consumption was 95.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:23:40,111 INFO L168 Benchmark]: BuchiAutomizer took 49720.48 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 167.8 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -256.8 MB). Peak memory consumption was 309.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:23:40,111 INFO L168 Benchmark]: Witness Printer took 44.19 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: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:23:40,113 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 439.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.93 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 39.35 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 797.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 95.3 MB). Peak memory consumption was 95.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 49720.48 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 167.8 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -256.8 MB). Peak memory consumption was 309.2 MB. Max. memory is 11.5 GB. * Witness Printer took 44.19 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: 7.4 MB). Peak memory consumption was 7.4 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 271 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 49.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 49.2s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 271 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 632 SDtfs, 1239 SDslu, 122 SDs, 0 SdLazy, 50 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 787]: 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, "Off"=0, ") "=12, retValue_acc=0, "On"=0, "Pump(System:"=0, "OK"=40, methaneLevelCritical=0, tmp___0=0, ",Meth:"=0, "libacc.c"=22, "Env(Water:%i"=0, ",Meth:"=37, tmp=0, tmp___1=0, "i > 0 && i <= this->argsCount"=27, retValue_acc=0, "i > 0 && i <= this->argsCount"=31, "i > 0 && i <= this->argsCount"=35, tmp___0=0, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ee25408=0, "__utac__get_this_argtype"=20, "__utac__get_this_arg"=28, "__utac__get_this_argtype"=24, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4039ecea=0, "On"=18, tmp=0, "Off"=14, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a73e735=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@468e99ef=0, NULL=0, systemActive=1, waterLevel=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e9dad60=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76c6b4e2=0, ",Pump:"=0, \result=0, "Off"=17, ") "=0, "\n"=0, "Off"=0, \result=1, head=0, pumpRunning=0, ",Pump:"=16, "\n"=8, \result=0, "libacc.c"=34, ")"=38, tmp=1, "Env(Water:%i"=11, "CRIT"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ca33570=0, "libacc.c"=0, "On"=0, "__utac__get_this_argtype"=0, tmp=0, \result=1, retValue_acc=1, "__utac__get_this_arg"=33, "OK"=0, ")"=0, tmp=0, tmp___0=0, tmp=1, retValue_acc=1, tmp___2=164, "libacc.c"=26, splverifierCounter=0, \result=0, "CRIT"=39, head=0, "libacc.c"=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@259adb5d=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@491ff80e=164, "i > 0 && i <= this->argsCount"=23, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a6ebb0e=0, "__utac__get_this_argtype"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6b9a2c43=0, "__utac__get_this_arg"=0, "Pump(System:"=19, "On"=15} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 787]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L375] FCALL "i > 0 && i <= this->argsCount" [L375] FCALL "libacc.c" [L376] FCALL "__utac__get_this_arg" [L382] FCALL "i > 0 && i <= this->argsCount" [L382] FCALL "libacc.c" [L383] FCALL "__utac__get_this_arg" [L421] FCALL "i > 0 && i <= this->argsCount" [L421] FCALL "libacc.c" [L422] FCALL "__utac__get_this_argtype" [L428] FCALL "i > 0 && i <= this->argsCount" [L428] FCALL "libacc.c" [L429] FCALL "__utac__get_this_argtype" [L707] FCALL "Pump(System:" [L711] FCALL "On" [L715] FCALL "Off" [L719] FCALL ",Pump:" [L723] FCALL "On" [L727] FCALL "Off" [L731] FCALL ") " [L733] FCALL "\n" [L930] FCALL "Env(Water:%i" [L931] FCALL ",Meth:" [L935] FCALL "CRIT" [L939] FCALL "OK" [L943] FCALL ")" [L444] int cleanupTimeShifts = 4; [L554] int pumpRunning = 0; [L555] int systemActive = 1; [L878] int waterLevel = 1; [L879] int methaneLevelCritical = 0; [L247] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L525] int retValue_acc ; [L526] int tmp ; [L530] FCALL select_helpers() [L531] FCALL select_features() [L532] CALL, EXPR valid_product() [L868] int retValue_acc ; [L871] retValue_acc = 1 [L872] RET return (retValue_acc); [L532] EXPR valid_product() [L532] tmp = valid_product() [L534] COND TRUE \read(tmp) [L536] FCALL setup() [L537] CALL runTest() [L516] CALL test() [L778] int splverifierCounter ; [L779] int tmp ; [L780] int tmp___0 ; [L781] int tmp___1 ; [L782] int tmp___2 ; [L785] splverifierCounter = 0 Loop: [L787] COND TRUE 1 [L789] COND TRUE splverifierCounter < 4 [L795] tmp = __VERIFIER_nondet_int() [L797] COND FALSE !(\read(tmp)) [L805] tmp___0 = __VERIFIER_nondet_int() [L807] COND FALSE !(\read(tmp___0)) [L815] tmp___2 = __VERIFIER_nondet_int() [L817] COND TRUE \read(tmp___2) [L830] CALL timeShift() [L561] COND FALSE !(\read(pumpRunning)) [L568] COND TRUE \read(systemActive) [L570] CALL processEnvironment() [L642] int tmp ; [L645] COND FALSE !(\read(pumpRunning)) [L660] CALL processEnvironment__wrappee__lowWaterSensor() [L616] int tmp ; [L619] COND FALSE !(\read(pumpRunning)) [L634] CALL processEnvironment__wrappee__highWaterSensor() [L590] int tmp ; [L593] COND TRUE ! pumpRunning [L595] CALL, EXPR isHighWaterLevel() [L739] int retValue_acc ; [L740] int tmp ; [L741] int tmp___0 ; [L745] CALL, EXPR isHighWaterSensorDry() [L958] int retValue_acc ; [L961] COND TRUE waterLevel < 2 [L962] retValue_acc = 1 [L963] RET return (retValue_acc); [L745] EXPR isHighWaterSensorDry() [L745] tmp = isHighWaterSensorDry() [L747] COND TRUE \read(tmp) [L748] tmp___0 = 0 [L752] retValue_acc = tmp___0 [L753] RET return (retValue_acc); [L595] EXPR isHighWaterLevel() [L595] tmp = isHighWaterLevel() [L597] COND FALSE !(\read(tmp)) [L603] RET, FCALL processEnvironment__wrappee__base() [L634] RET processEnvironment__wrappee__highWaterSensor() [L660] RET processEnvironment__wrappee__lowWaterSensor() [L570] processEnvironment() [L576] CALL __utac_acc__Specification1_spec__1() [L44] int tmp ; [L45] int tmp___0 ; [L49] CALL, EXPR isMethaneLevelCritical() [L917] int retValue_acc ; [L920] retValue_acc = methaneLevelCritical [L921] RET return (retValue_acc); [L49] EXPR isMethaneLevelCritical() [L49] tmp = isMethaneLevelCritical() [L51] COND FALSE, RET !(\read(tmp)) [L576] RET __utac_acc__Specification1_spec__1() [L830] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...