./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product13_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_43e5308b-8eae-4ec5-9ff9-debfbf553f50/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_43e5308b-8eae-4ec5-9ff9-debfbf553f50/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_43e5308b-8eae-4ec5-9ff9-debfbf553f50/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_43e5308b-8eae-4ec5-9ff9-debfbf553f50/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product13_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_43e5308b-8eae-4ec5-9ff9-debfbf553f50/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_43e5308b-8eae-4ec5-9ff9-debfbf553f50/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 06e1bbb05b064353049072459310c7da1eede934 ....................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:30:29,560 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:30:29,561 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:30:29,567 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:30:29,568 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:30:29,568 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:30:29,569 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:30:29,570 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:30:29,571 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:30:29,572 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:30:29,573 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:30:29,573 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:30:29,573 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:30:29,574 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:30:29,575 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:30:29,575 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:30:29,576 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:30:29,577 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:30:29,579 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:30:29,580 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:30:29,580 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:30:29,581 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:30:29,583 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:30:29,583 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:30:29,583 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:30:29,584 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:30:29,584 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:30:29,585 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:30:29,585 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:30:29,586 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:30:29,586 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:30:29,587 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:30:29,587 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:30:29,587 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:30:29,588 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:30:29,588 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:30:29,589 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_43e5308b-8eae-4ec5-9ff9-debfbf553f50/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 15:30:29,599 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:30:29,599 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:30:29,600 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:30:29,600 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:30:29,600 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 15:30:29,601 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 15:30:29,601 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 15:30:29,601 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 15:30:29,601 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 15:30:29,601 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 15:30:29,601 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 15:30:29,602 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:30:29,602 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:30:29,602 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 15:30:29,602 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:30:29,602 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:30:29,602 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:30:29,602 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 15:30:29,603 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 15:30:29,603 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 15:30:29,603 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:30:29,603 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:30:29,603 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 15:30:29,603 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:30:29,603 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 15:30:29,604 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:30:29,604 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:30:29,604 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 15:30:29,604 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:30:29,604 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 15:30:29,604 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 15:30:29,605 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 15:30:29,605 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_43e5308b-8eae-4ec5-9ff9-debfbf553f50/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 -> 06e1bbb05b064353049072459310c7da1eede934 [2018-11-18 15:30:29,628 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:30:29,637 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:30:29,640 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:30:29,641 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:30:29,641 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:30:29,642 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_43e5308b-8eae-4ec5-9ff9-debfbf553f50/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product13_true-unreach-call_false-termination.cil.c [2018-11-18 15:30:29,680 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_43e5308b-8eae-4ec5-9ff9-debfbf553f50/bin-2019/uautomizer/data/029d27b1f/0a3134c8c0fe40779f6d41525cf77d7f/FLAG76c0034d5 [2018-11-18 15:30:30,102 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:30:30,103 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_43e5308b-8eae-4ec5-9ff9-debfbf553f50/sv-benchmarks/c/product-lines/minepump_spec1_product13_true-unreach-call_false-termination.cil.c [2018-11-18 15:30:30,109 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_43e5308b-8eae-4ec5-9ff9-debfbf553f50/bin-2019/uautomizer/data/029d27b1f/0a3134c8c0fe40779f6d41525cf77d7f/FLAG76c0034d5 [2018-11-18 15:30:30,118 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_43e5308b-8eae-4ec5-9ff9-debfbf553f50/bin-2019/uautomizer/data/029d27b1f/0a3134c8c0fe40779f6d41525cf77d7f [2018-11-18 15:30:30,120 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:30:30,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:30:30,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:30:30,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:30:30,124 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:30:30,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:30:30" (1/1) ... [2018-11-18 15:30:30,126 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 03:30:30, skipping insertion in model container [2018-11-18 15:30:30,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:30:30" (1/1) ... [2018-11-18 15:30:30,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:30:30,161 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:30:30,350 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:30:30,359 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:30:30,457 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:30:30,477 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:30:30,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:30:30 WrapperNode [2018-11-18 15:30:30,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:30:30,478 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:30:30,478 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:30:30,478 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:30:30,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:30:30" (1/1) ... [2018-11-18 15:30:30,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:30:30" (1/1) ... [2018-11-18 15:30:30,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:30:30,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:30:30,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:30:30,527 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:30:30,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:30:30" (1/1) ... [2018-11-18 15:30:30,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:30:30" (1/1) ... [2018-11-18 15:30:30,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:30:30" (1/1) ... [2018-11-18 15:30:30,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:30:30" (1/1) ... [2018-11-18 15:30:30,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:30:30" (1/1) ... [2018-11-18 15:30:30,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:30:30" (1/1) ... [2018-11-18 15:30:30,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:30:30" (1/1) ... [2018-11-18 15:30:30,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:30:30,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:30:30,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:30:30,553 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:30:30,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:30:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43e5308b-8eae-4ec5-9ff9-debfbf553f50/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 15:30:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:30:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:30:30,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:30:31,086 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:30:31,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:30:31 BoogieIcfgContainer [2018-11-18 15:30:31,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:30:31,091 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 15:30:31,091 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 15:30:31,093 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 15:30:31,094 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:30:31,094 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 03:30:30" (1/3) ... [2018-11-18 15:30:31,095 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35d5369e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 03:30:31, skipping insertion in model container [2018-11-18 15:30:31,095 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:30:31,095 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:30:30" (2/3) ... [2018-11-18 15:30:31,095 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35d5369e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 03:30:31, skipping insertion in model container [2018-11-18 15:30:31,095 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:30:31,096 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:30:31" (3/3) ... [2018-11-18 15:30:31,098 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product13_true-unreach-call_false-termination.cil.c [2018-11-18 15:30:31,132 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 15:30:31,133 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 15:30:31,133 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 15:30:31,133 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 15:30:31,133 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:30:31,133 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:30:31,133 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 15:30:31,133 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:30:31,133 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 15:30:31,145 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 98 states. [2018-11-18 15:30:31,164 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2018-11-18 15:30:31,165 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:30:31,165 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:30:31,170 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:30:31,170 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 15:30:31,170 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 15:30:31,170 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 98 states. [2018-11-18 15:30:31,174 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2018-11-18 15:30:31,174 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:30:31,175 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:30:31,175 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:30:31,175 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 15:30:31,179 INFO L794 eck$LassoCheckResult]: Stem: 83#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(13);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string38.base,#t~string38.offset := 44];#memory_int := #memory_int[#t~string38.base,1 + #t~string38.offset := 77];#memory_int := #memory_int[#t~string38.base,2 + #t~string38.offset := 101];#memory_int := #memory_int[#t~string38.base,3 + #t~string38.offset := 116];#memory_int := #memory_int[#t~string38.base,4 + #t~string38.offset := 104];#memory_int := #memory_int[#t~string38.base,5 + #t~string38.offset := 58];#memory_int := #memory_int[#t~string38.base,6 + #t~string38.offset := 0];call #t~string40.base, #t~string40.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string40.base,#t~string40.offset := 67];#memory_int := #memory_int[#t~string40.base,1 + #t~string40.offset := 82];#memory_int := #memory_int[#t~string40.base,2 + #t~string40.offset := 73];#memory_int := #memory_int[#t~string40.base,3 + #t~string40.offset := 84];#memory_int := #memory_int[#t~string40.base,4 + #t~string40.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 79];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 75];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 41];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(13);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 110];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 44];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 80];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 117];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 109];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 112];#memory_int := #memory_int[#t~string63.base,5 + #t~string63.offset := 58];#memory_int := #memory_int[#t~string63.base,6 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 79];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 110];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 32];#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 := 10];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 62#L526true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 19#L519true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 82#L534true main_#t~ret46 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 100#L624true assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 81#L600true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 52#L675-3true [2018-11-18 15:30:31,179 INFO L796 eck$LassoCheckResult]: Loop: 52#L675-3true assume true; 48#L675-1true assume !false; 3#L676true assume test_~splverifierCounter~0 < 4; 87#L677true test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 89#L685true assume !(0 != test_~tmp~5); 91#L685-2true test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 29#L695true assume !(0 != test_~tmp___0~1); 33#L695-2true test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 68#L705true assume 0 != test_~tmp___2~0; 42#L711-2true assume { :begin_inline_timeShift } true; 28#L739true assume !(0 != ~pumpRunning~0); 30#L739-2true assume !(0 != ~systemActive~0); 71#L746-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_#t~ret48, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 40#L455-1true __utac_acc__Specification1_spec__1_#t~ret47 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret47;havoc __utac_acc__Specification1_spec__1_#t~ret47; 73#L647true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4); 75#L647-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 96#L756true assume { :end_inline_timeShift } true; 52#L675-3true [2018-11-18 15:30:31,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:30:31,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 15:30:31,186 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:30:31,186 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:30:31,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:30:31,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:30:31,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:30:31,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:30:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:30:31,332 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:30:31,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1626160115, now seen corresponding path program 1 times [2018-11-18 15:30:31,332 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:30:31,332 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:30:31,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:30:31,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:30:31,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:30:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:30:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:30:31,345 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:30:31,345 INFO L82 PathProgramCache]: Analyzing trace with hash 694478511, now seen corresponding path program 1 times [2018-11-18 15:30:31,345 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:30:31,345 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:30:31,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:30:31,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:30:31,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:30:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:30:31,472 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 15:30:31,474 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:30:31,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 15:30:31,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:30:31,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:30:31,580 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 6 states. [2018-11-18 15:30:31,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:30:31,702 INFO L93 Difference]: Finished difference Result 95 states and 117 transitions. [2018-11-18 15:30:31,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 15:30:31,703 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 95 states and 117 transitions. [2018-11-18 15:30:31,705 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 58 [2018-11-18 15:30:31,709 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 95 states to 85 states and 107 transitions. [2018-11-18 15:30:31,710 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 85 [2018-11-18 15:30:31,711 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 85 [2018-11-18 15:30:31,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 85 states and 107 transitions. [2018-11-18 15:30:31,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 15:30:31,712 INFO L705 BuchiCegarLoop]: Abstraction has 85 states and 107 transitions. [2018-11-18 15:30:31,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states and 107 transitions. [2018-11-18 15:30:31,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-11-18 15:30:31,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-11-18 15:30:31,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 107 transitions. [2018-11-18 15:30:31,741 INFO L728 BuchiCegarLoop]: Abstraction has 85 states and 107 transitions. [2018-11-18 15:30:31,741 INFO L608 BuchiCegarLoop]: Abstraction has 85 states and 107 transitions. [2018-11-18 15:30:31,741 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 15:30:31,741 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 85 states and 107 transitions. [2018-11-18 15:30:31,742 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 58 [2018-11-18 15:30:31,742 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:30:31,742 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:30:31,743 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:30:31,743 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 15:30:31,743 INFO L794 eck$LassoCheckResult]: Stem: 281#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(13);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string38.base,#t~string38.offset := 44];#memory_int := #memory_int[#t~string38.base,1 + #t~string38.offset := 77];#memory_int := #memory_int[#t~string38.base,2 + #t~string38.offset := 101];#memory_int := #memory_int[#t~string38.base,3 + #t~string38.offset := 116];#memory_int := #memory_int[#t~string38.base,4 + #t~string38.offset := 104];#memory_int := #memory_int[#t~string38.base,5 + #t~string38.offset := 58];#memory_int := #memory_int[#t~string38.base,6 + #t~string38.offset := 0];call #t~string40.base, #t~string40.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string40.base,#t~string40.offset := 67];#memory_int := #memory_int[#t~string40.base,1 + #t~string40.offset := 82];#memory_int := #memory_int[#t~string40.base,2 + #t~string40.offset := 73];#memory_int := #memory_int[#t~string40.base,3 + #t~string40.offset := 84];#memory_int := #memory_int[#t~string40.base,4 + #t~string40.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 79];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 75];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 41];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(13);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 110];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 44];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 80];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 117];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 109];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 112];#memory_int := #memory_int[#t~string63.base,5 + #t~string63.offset := 58];#memory_int := #memory_int[#t~string63.base,6 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 79];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 110];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 32];#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 := 10];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 250#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 219#L526 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 220#L519 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 266#L534 main_#t~ret46 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 278#L624 assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 275#L600 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 276#L675-3 [2018-11-18 15:30:31,744 INFO L796 eck$LassoCheckResult]: Loop: 276#L675-3 assume true; 294#L675-1 assume !false; 216#L676 assume test_~splverifierCounter~0 < 4; 217#L677 test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 284#L685 assume !(0 != test_~tmp~5); 287#L685-2 test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 277#L695 assume !(0 != test_~tmp___0~1); 228#L695-2 test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 235#L705 assume 0 != test_~tmp___2~0; 236#L711-2 assume { :begin_inline_timeShift } true; 272#L739 assume !(0 != ~pumpRunning~0); 273#L739-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret53, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 221#L771 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 223#L763-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 229#L771-1 assume { :end_inline_processEnvironment } true; 230#L746-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_#t~ret48, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 251#L455-1 __utac_acc__Specification1_spec__1_#t~ret47 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret47;havoc __utac_acc__Specification1_spec__1_#t~ret47; 263#L647 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4); 264#L647-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 267#L756 assume { :end_inline_timeShift } true; 276#L675-3 [2018-11-18 15:30:31,744 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:30:31,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 15:30:31,744 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:30:31,744 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:30:31,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:30:31,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:30:31,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:30:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:30:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:30:31,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:30:31,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1128266699, now seen corresponding path program 1 times [2018-11-18 15:30:31,795 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:30:31,795 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:30:31,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:30:31,796 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 15:30:31,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:30:31,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:30:31,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:30:31,804 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:30:31,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1518702585, now seen corresponding path program 1 times [2018-11-18 15:30:31,805 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:30:31,805 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:30:31,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:30:31,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:30:31,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:30:31,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:30:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:31:08,084 WARN L180 SmtUtils]: Spent 36.15 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 15:31:30,657 WARN L180 SmtUtils]: Spent 22.57 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 15:31:30,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 03:31:30 BoogieIcfgContainer [2018-11-18 15:31:30,725 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 15:31:30,725 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:31:30,725 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:31:30,725 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:31:30,726 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:30:31" (3/4) ... [2018-11-18 15:31:30,728 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 15:31:30,767 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_43e5308b-8eae-4ec5-9ff9-debfbf553f50/bin-2019/uautomizer/witness.graphml [2018-11-18 15:31:30,767 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:31:30,768 INFO L168 Benchmark]: Toolchain (without parser) took 60647.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 956.6 MB in the beginning and 968.8 MB in the end (delta: -12.3 MB). Peak memory consumption was 127.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:31:30,768 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:31:30,769 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -141.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:31:30,769 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:31:30,769 INFO L168 Benchmark]: Boogie Preprocessor took 26.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:31:30,769 INFO L168 Benchmark]: RCFGBuilder took 537.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 63.0 MB). Peak memory consumption was 63.0 MB. Max. memory is 11.5 GB. [2018-11-18 15:31:30,770 INFO L168 Benchmark]: BuchiAutomizer took 59633.51 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 33.0 MB). Free memory was 1.0 GB in the beginning and 973.5 MB in the end (delta: 56.5 MB). Peak memory consumption was 197.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:31:30,771 INFO L168 Benchmark]: Witness Printer took 42.32 ms. Allocated memory is still 1.2 GB. Free memory was 973.5 MB in the beginning and 968.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:31:30,773 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 355.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -141.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 537.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 63.0 MB). Peak memory consumption was 63.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 59633.51 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 33.0 MB). Free memory was 1.0 GB in the beginning and 973.5 MB in the end (delta: 56.5 MB). Peak memory consumption was 197.6 MB. Max. memory is 11.5 GB. * Witness Printer took 42.32 ms. Allocated memory is still 1.2 GB. Free memory was 973.5 MB in the beginning and 968.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 85 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 59.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 59.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 85 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 112 SDtfs, 341 SDslu, 4 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 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: 675]: 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@35f478fe=0, NULL=0, ",Pump:"=0, "CRIT"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c33ee86=0, "\n"=39, ")"=0, "Off"=0, ",Pump:"=33, retValue_acc=0, ",Meth:"=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ef49f07=0, "OK"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@18b78b8b=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d52563b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7cc0b6bb=150, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79677f9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@27a3f9e2=0, "On"=0, ") "=0, tmp=0, "Off"=0, tmp___1=0, "__utac__get_this_argtype"=17, "__utac__get_this_arg"=20, "__utac__get_this_arg"=24, tmp___0=0, "libacc.c"=18, "Env(Water:%i"=12, cleanupTimeShifts=4, "libacc.c"=15, "OK"=38, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, NULL=0, systemActive=1, waterLevel=1, ") "=29, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, ",Meth:"=0, retValue_acc=0, ")"=37, "Pump(System:"=0, \result=1, "i > 0 && i <= this->argsCount"=27, head=0, pumpRunning=0, "Pump(System:"=36, \result=0, "i > 0 && i <= this->argsCount"=23, tmp=1, "libacc.c"=0, "Env(Water:%i"=0, tmp=0, "i > 0 && i <= this->argsCount"=0, retValue_acc=1, "Off"=28, "Off"=34, "libacc.c"=22, "\n"=0, tmp___2=150, "i > 0 && i <= this->argsCount"=16, tmp___0=0, splverifierCounter=0, "On"=0, \result=0, "On"=35, head=0, "libacc.c"=0, "libacc.c"=26, tmp=0, "i > 0 && i <= this->argsCount"=19, "__utac__get_this_arg"=0, "__utac__get_this_argtype"=14, "libacc.c"=0, "libacc.c"=0, "CRIT"=11, "On"=31} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 675]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L337] FCALL "i > 0 && i <= this->argsCount" [L337] FCALL "libacc.c" [L338] FCALL "__utac__get_this_arg" [L344] FCALL "i > 0 && i <= this->argsCount" [L344] FCALL "libacc.c" [L345] FCALL "__utac__get_this_arg" [L383] FCALL "i > 0 && i <= this->argsCount" [L383] FCALL "libacc.c" [L384] FCALL "__utac__get_this_argtype" [L390] FCALL "i > 0 && i <= this->argsCount" [L390] FCALL "libacc.c" [L391] FCALL "__utac__get_this_argtype" [L464] FCALL "Env(Water:%i" [L465] FCALL ",Meth:" [L469] FCALL "CRIT" [L473] FCALL "OK" [L477] FCALL ")" [L850] FCALL "Pump(System:" [L854] FCALL "On" [L858] FCALL "Off" [L862] FCALL ",Pump:" [L866] FCALL "On" [L870] FCALL "Off" [L874] FCALL ") " [L876] FCALL "\n" [L412] int waterLevel = 1; [L413] int methaneLevelCritical = 0; [L539] int cleanupTimeShifts = 4; [L732] int pumpRunning = 0; [L733] int systemActive = 1; [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L615] int retValue_acc ; [L616] int tmp ; [L620] FCALL select_helpers() [L621] FCALL select_features() [L622] CALL, EXPR valid_product() [L530] int retValue_acc ; [L533] retValue_acc = 1 [L534] RET return (retValue_acc); [L622] EXPR valid_product() [L622] tmp = valid_product() [L624] COND TRUE \read(tmp) [L626] FCALL setup() [L627] CALL runTest() [L609] CALL test() [L666] int splverifierCounter ; [L667] int tmp ; [L668] int tmp___0 ; [L669] int tmp___1 ; [L670] int tmp___2 ; [L673] splverifierCounter = 0 Loop: [L675] COND TRUE 1 [L677] COND TRUE splverifierCounter < 4 [L683] tmp = __VERIFIER_nondet_int() [L685] COND FALSE !(\read(tmp)) [L693] tmp___0 = __VERIFIER_nondet_int() [L695] COND FALSE !(\read(tmp___0)) [L703] tmp___2 = __VERIFIER_nondet_int() [L705] COND TRUE \read(tmp___2) [L718] CALL timeShift() [L739] COND FALSE !(\read(pumpRunning)) [L746] COND TRUE \read(systemActive) [L748] CALL processEnvironment() [L768] int tmp ; [L771] COND FALSE !(\read(pumpRunning)) [L786] RET, FCALL processEnvironment__wrappee__methaneQuery() [L748] processEnvironment() [L754] CALL __utac_acc__Specification1_spec__1() [L640] int tmp ; [L641] int tmp___0 ; [L645] CALL, EXPR isMethaneLevelCritical() [L451] int retValue_acc ; [L454] retValue_acc = methaneLevelCritical [L455] RET return (retValue_acc); [L645] EXPR isMethaneLevelCritical() [L645] tmp = isMethaneLevelCritical() [L647] COND FALSE, RET !(\read(tmp)) [L754] RET __utac_acc__Specification1_spec__1() [L718] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...