./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product24_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cfe108aa-58ba-4610-91c4-047e8aa3b921/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cfe108aa-58ba-4610-91c4-047e8aa3b921/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cfe108aa-58ba-4610-91c4-047e8aa3b921/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cfe108aa-58ba-4610-91c4-047e8aa3b921/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product24_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cfe108aa-58ba-4610-91c4-047e8aa3b921/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cfe108aa-58ba-4610-91c4-047e8aa3b921/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 19e7916b57c61379c1750277bd4e75aabb7fe031 .................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-635dfa2 [2018-12-09 16:01:08,640 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 16:01:08,641 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 16:01:08,647 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 16:01:08,647 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 16:01:08,648 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 16:01:08,648 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 16:01:08,649 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 16:01:08,650 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 16:01:08,650 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 16:01:08,651 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 16:01:08,651 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 16:01:08,652 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 16:01:08,652 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 16:01:08,653 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 16:01:08,653 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 16:01:08,653 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 16:01:08,654 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 16:01:08,655 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 16:01:08,656 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 16:01:08,657 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 16:01:08,657 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 16:01:08,658 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 16:01:08,658 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 16:01:08,658 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 16:01:08,659 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 16:01:08,659 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 16:01:08,660 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 16:01:08,660 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 16:01:08,661 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 16:01:08,661 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 16:01:08,661 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 16:01:08,661 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 16:01:08,662 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 16:01:08,662 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 16:01:08,663 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 16:01:08,663 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cfe108aa-58ba-4610-91c4-047e8aa3b921/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-09 16:01:08,670 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 16:01:08,670 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 16:01:08,671 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 16:01:08,671 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 16:01:08,671 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 16:01:08,672 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-09 16:01:08,672 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-09 16:01:08,672 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-09 16:01:08,672 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-09 16:01:08,672 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-09 16:01:08,672 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-09 16:01:08,672 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 16:01:08,672 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 16:01:08,672 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 16:01:08,673 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 16:01:08,673 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 16:01:08,673 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 16:01:08,673 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-09 16:01:08,673 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-09 16:01:08,673 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-09 16:01:08,673 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 16:01:08,673 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 16:01:08,673 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-09 16:01:08,674 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 16:01:08,674 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-09 16:01:08,674 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 16:01:08,674 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 16:01:08,674 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-09 16:01:08,674 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 16:01:08,674 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 16:01:08,674 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-09 16:01:08,675 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-09 16:01:08,675 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_cfe108aa-58ba-4610-91c4-047e8aa3b921/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 -> 19e7916b57c61379c1750277bd4e75aabb7fe031 [2018-12-09 16:01:08,692 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 16:01:08,699 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 16:01:08,701 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 16:01:08,702 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 16:01:08,702 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 16:01:08,702 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cfe108aa-58ba-4610-91c4-047e8aa3b921/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product24_true-unreach-call_false-termination.cil.c [2018-12-09 16:01:08,736 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cfe108aa-58ba-4610-91c4-047e8aa3b921/bin-2019/uautomizer/data/2d230eb12/c1434704806843d4bf5d6494c2f7aa18/FLAG3c88ed359 [2018-12-09 16:01:09,120 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 16:01:09,120 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cfe108aa-58ba-4610-91c4-047e8aa3b921/sv-benchmarks/c/product-lines/minepump_spec4_product24_true-unreach-call_false-termination.cil.c [2018-12-09 16:01:09,127 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cfe108aa-58ba-4610-91c4-047e8aa3b921/bin-2019/uautomizer/data/2d230eb12/c1434704806843d4bf5d6494c2f7aa18/FLAG3c88ed359 [2018-12-09 16:01:09,477 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cfe108aa-58ba-4610-91c4-047e8aa3b921/bin-2019/uautomizer/data/2d230eb12/c1434704806843d4bf5d6494c2f7aa18 [2018-12-09 16:01:09,480 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 16:01:09,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 16:01:09,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 16:01:09,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 16:01:09,485 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 16:01:09,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:01:09" (1/1) ... [2018-12-09 16:01:09,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79df640a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:09, skipping insertion in model container [2018-12-09 16:01:09,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:01:09" (1/1) ... [2018-12-09 16:01:09,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 16:01:09,521 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 16:01:09,685 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:01:09,727 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 16:01:09,783 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:01:09,804 INFO L195 MainTranslator]: Completed translation [2018-12-09 16:01:09,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:09 WrapperNode [2018-12-09 16:01:09,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 16:01:09,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 16:01:09,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 16:01:09,805 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 16:01:09,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:09" (1/1) ... [2018-12-09 16:01:09,825 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:09" (1/1) ... [2018-12-09 16:01:09,853 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 16:01:09,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 16:01:09,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 16:01:09,854 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 16:01:09,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:09" (1/1) ... [2018-12-09 16:01:09,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:09" (1/1) ... [2018-12-09 16:01:09,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:09" (1/1) ... [2018-12-09 16:01:09,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:09" (1/1) ... [2018-12-09 16:01:09,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:09" (1/1) ... [2018-12-09 16:01:09,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:09" (1/1) ... [2018-12-09 16:01:09,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:09" (1/1) ... [2018-12-09 16:01:09,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 16:01:09,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 16:01:09,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 16:01:09,885 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 16:01:09,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cfe108aa-58ba-4610-91c4-047e8aa3b921/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 [2018-12-09 16:01:09,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 16:01:09,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 16:01:09,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 16:01:09,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 16:01:10,278 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 16:01:10,279 INFO L280 CfgBuilder]: Removed 162 assue(true) statements. [2018-12-09 16:01:10,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:01:10 BoogieIcfgContainer [2018-12-09 16:01:10,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 16:01:10,279 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-09 16:01:10,279 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-09 16:01:10,281 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-09 16:01:10,282 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 16:01:10,282 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.12 04:01:09" (1/3) ... [2018-12-09 16:01:10,283 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@480a2ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 04:01:10, skipping insertion in model container [2018-12-09 16:01:10,283 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 16:01:10,283 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:09" (2/3) ... [2018-12-09 16:01:10,283 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@480a2ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 04:01:10, skipping insertion in model container [2018-12-09 16:01:10,283 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 16:01:10,283 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:01:10" (3/3) ... [2018-12-09 16:01:10,284 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product24_true-unreach-call_false-termination.cil.c [2018-12-09 16:01:10,315 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 16:01:10,315 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-09 16:01:10,315 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-09 16:01:10,316 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-09 16:01:10,316 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 16:01:10,316 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 16:01:10,316 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-09 16:01:10,316 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 16:01:10,316 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-09 16:01:10,325 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2018-12-09 16:01:10,339 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2018-12-09 16:01:10,340 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 16:01:10,340 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 16:01:10,345 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 16:01:10,345 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:01:10,345 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-09 16:01:10,345 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2018-12-09 16:01:10,347 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2018-12-09 16:01:10,348 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 16:01:10,348 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 16:01:10,348 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 16:01:10,348 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:01:10,351 INFO L794 eck$LassoCheckResult]: Stem: 71#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string44.base, #t~string44.offset := #Ultimate.alloc(13);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string61.base, #t~string61.offset := #Ultimate.alloc(13);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1); 16#L-1true havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 27#L929true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 28#L937true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 45#L130true assume 0 != main_~tmp~0; 26#L103true havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 59#L889-1true [2018-12-09 16:01:10,351 INFO L796 eck$LassoCheckResult]: Loop: 59#L889-1true assume !false; 65#L523true assume test_~splverifierCounter~0 < 4; 34#L524true test_~tmp~4 := test_#t~nondet36;havoc test_#t~nondet36; 35#L532true assume !(0 != test_~tmp~4); 36#L532-1true test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; 70#L542true assume !(0 != test_~tmp___0~0); 73#L542-1true test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; 19#L552true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 33#L560-1true assume !(0 != ~pumpRunning~0); 17#L596true assume !(0 != ~systemActive~0); 54#L603true havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 8#L866true __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; 58#L889true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 59#L889-1true [2018-12-09 16:01:10,355 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:01:10,355 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-12-09 16:01:10,356 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 16:01:10,357 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 16:01:10,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:01:10,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:01:10,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:01:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 16:01:10,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 16:01:10,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:01:10,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1670755444, now seen corresponding path program 1 times [2018-12-09 16:01:10,477 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 16:01:10,477 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 16:01:10,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:01:10,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:01:10,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:01:10,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:01:10,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:01:10,509 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:01:10,509 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 16:01:10,512 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-09 16:01:10,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 16:01:10,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 16:01:10,522 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 3 states. [2018-12-09 16:01:10,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:01:10,564 INFO L93 Difference]: Finished difference Result 202 states and 288 transitions. [2018-12-09 16:01:10,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 16:01:10,566 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 202 states and 288 transitions. [2018-12-09 16:01:10,569 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 130 [2018-12-09 16:01:10,572 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 202 states to 188 states and 273 transitions. [2018-12-09 16:01:10,573 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 188 [2018-12-09 16:01:10,573 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 188 [2018-12-09 16:01:10,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 188 states and 273 transitions. [2018-12-09 16:01:10,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 16:01:10,575 INFO L705 BuchiCegarLoop]: Abstraction has 188 states and 273 transitions. [2018-12-09 16:01:10,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states and 273 transitions. [2018-12-09 16:01:10,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 186. [2018-12-09 16:01:10,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2018-12-09 16:01:10,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 270 transitions. [2018-12-09 16:01:10,598 INFO L728 BuchiCegarLoop]: Abstraction has 186 states and 270 transitions. [2018-12-09 16:01:10,598 INFO L608 BuchiCegarLoop]: Abstraction has 186 states and 270 transitions. [2018-12-09 16:01:10,598 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-09 16:01:10,598 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 186 states and 270 transitions. [2018-12-09 16:01:10,599 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 128 [2018-12-09 16:01:10,599 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 16:01:10,599 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 16:01:10,600 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 16:01:10,600 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:01:10,600 INFO L794 eck$LassoCheckResult]: Stem: 411#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string44.base, #t~string44.offset := #Ultimate.alloc(13);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string61.base, #t~string61.offset := #Ultimate.alloc(13);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1); 342#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 343#L929 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 361#L937 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 362#L130 assume 0 != main_~tmp~0; 359#L103 havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 360#L889-1 [2018-12-09 16:01:10,600 INFO L796 eck$LassoCheckResult]: Loop: 360#L889-1 assume !false; 400#L523 assume test_~splverifierCounter~0 < 4; 368#L524 test_~tmp~4 := test_#t~nondet36;havoc test_#t~nondet36; 369#L532 assume !(0 != test_~tmp~4); 371#L532-1 test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; 372#L542 assume !(0 != test_~tmp___0~0); 377#L542-1 test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; 349#L552 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 350#L560-1 assume !(0 != ~pumpRunning~0); 344#L596 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret41, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 345#L654 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret40, processEnvironment__wrappee__lowWaterSensor_~tmp~5;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5; 447#L628-1 assume !(0 != ~pumpRunning~0); 395#L603 havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 327#L866 __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; 328#L889 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 360#L889-1 [2018-12-09 16:01:10,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:01:10,600 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-12-09 16:01:10,600 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 16:01:10,600 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 16:01:10,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:01:10,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:01:10,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:01:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 16:01:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 16:01:10,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:01:10,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1427585826, now seen corresponding path program 1 times [2018-12-09 16:01:10,637 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 16:01:10,637 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 16:01:10,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:01:10,638 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 16:01:10,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:01:10,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 16:01:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 16:01:10,644 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:01:10,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1021999224, now seen corresponding path program 1 times [2018-12-09 16:01:10,644 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 16:01:10,644 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 16:01:10,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:01:10,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:01:10,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:01:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 16:01:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 16:01:14,010 WARN L180 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-12-09 16:01:15,650 WARN L180 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 423 [2018-12-09 16:01:15,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.12 04:01:15 BoogieIcfgContainer [2018-12-09 16:01:15,678 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-09 16:01:15,678 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 16:01:15,678 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 16:01:15,678 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 16:01:15,679 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:01:10" (3/4) ... [2018-12-09 16:01:15,680 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-09 16:01:15,707 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cfe108aa-58ba-4610-91c4-047e8aa3b921/bin-2019/uautomizer/witness.graphml [2018-12-09 16:01:15,707 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 16:01:15,707 INFO L168 Benchmark]: Toolchain (without parser) took 6226.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 956.0 MB in the beginning and 924.2 MB in the end (delta: 31.8 MB). Peak memory consumption was 188.0 MB. Max. memory is 11.5 GB. [2018-12-09 16:01:15,708 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:01:15,708 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -135.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-12-09 16:01:15,708 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.08 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 16:01:15,708 INFO L168 Benchmark]: Boogie Preprocessor took 31.14 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:01:15,709 INFO L168 Benchmark]: RCFGBuilder took 393.94 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: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 11.5 GB. [2018-12-09 16:01:15,709 INFO L168 Benchmark]: BuchiAutomizer took 5398.75 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 51.4 MB). Free memory was 1.0 GB in the beginning and 924.2 MB in the end (delta: 104.7 MB). Peak memory consumption was 249.5 MB. Max. memory is 11.5 GB. [2018-12-09 16:01:15,709 INFO L168 Benchmark]: Witness Printer took 28.76 ms. Allocated memory is still 1.2 GB. Free memory is still 924.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:01:15,710 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 323.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -135.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.08 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.14 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 393.94 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: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5398.75 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 51.4 MB). Free memory was 1.0 GB in the beginning and 924.2 MB in the end (delta: 104.7 MB). Peak memory consumption was 249.5 MB. Max. memory is 11.5 GB. * Witness Printer took 28.76 ms. Allocated memory is still 1.2 GB. Free memory is still 924.2 MB. There was no memory consumed. 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 3 locations. The remainder module has 186 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 5.2s. 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 186 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 146 SDtfs, 142 SDslu, 134 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: 522]: 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@2f8ca47e=0, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=43, NULL=0, NULL=0, NULL=45, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8cb8e20=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4fb64624=0, NULL=35, methaneLevelCritical=0, retValue_acc=1, NULL=0, tmp=0, NULL=0, NULL=49, NULL=0, tmp___1=0, NULL=42, tmp=0, NULL=19, NULL=24, NULL=34, cleanupTimeShifts=4, NULL=48, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6bb4ab9f=0, NULL=31, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f52b4b=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@74543b69=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@9ad2fab=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2622521c=0, \result=1, NULL=0, NULL=0, NULL=27, NULL=26, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, tmp=1, \result=0, NULL=29, NULL=40, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6b1695bb=0, NULL=0, NULL=0, NULL=38, NULL=47, NULL=37, NULL=36, retValue_acc=1, tmp=1, tmp___2=56, NULL=22, splverifierCounter=0, head=0, NULL=0, NULL=39, NULL=0, NULL=33, tmp=0, NULL=0, NULL=46, NULL=0, NULL=0, NULL=23, NULL=0, NULL=28} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L40] int cleanupTimeShifts = 4; [L313] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L588] int pumpRunning = 0; [L589] int systemActive = 1; [L791] int waterLevel = 1; [L792] int methaneLevelCritical = 0; [L121] int retValue_acc ; [L122] int tmp ; [L933] int retValue_acc ; [L936] retValue_acc = 1 [L937] return (retValue_acc); [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L513] int splverifierCounter ; [L514] int tmp ; [L515] int tmp___0 ; [L516] int tmp___1 ; [L517] int tmp___2 ; [L520] splverifierCounter = 0 Loop: [L522] COND TRUE 1 [L524] COND TRUE splverifierCounter < 4 [L530] tmp = __VERIFIER_nondet_int() [L532] COND FALSE !(\read(tmp)) [L540] tmp___0 = __VERIFIER_nondet_int() [L542] COND FALSE !(\read(tmp___0)) [L550] tmp___2 = __VERIFIER_nondet_int() [L552] COND TRUE \read(tmp___2) [L785] systemActive = 1 [L596] COND FALSE !(\read(pumpRunning)) [L603] COND TRUE \read(systemActive) [L651] int tmp ; [L654] COND FALSE !(\read(pumpRunning)) [L625] int tmp ; [L628] COND FALSE !(\read(pumpRunning)) [L882] int tmp ; [L883] int tmp___0 ; [L862] int retValue_acc ; [L865] retValue_acc = waterLevel [L866] return (retValue_acc); [L887] tmp = getWaterLevel() [L889] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...