./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product58_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_7c778898-31ef-43a1-9366-96124ca05e6f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7c778898-31ef-43a1-9366-96124ca05e6f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7c778898-31ef-43a1-9366-96124ca05e6f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7c778898-31ef-43a1-9366-96124ca05e6f/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7c778898-31ef-43a1-9366-96124ca05e6f/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7c778898-31ef-43a1-9366-96124ca05e6f/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 454aaa6b423a8831b8582dfeb545ec6b3447f968 ............................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2018-12-01 18:47:41,655 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 18:47:41,656 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 18:47:41,662 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 18:47:41,662 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 18:47:41,662 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 18:47:41,663 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 18:47:41,664 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 18:47:41,665 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 18:47:41,665 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 18:47:41,666 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 18:47:41,666 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 18:47:41,667 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 18:47:41,667 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 18:47:41,668 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 18:47:41,668 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 18:47:41,669 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 18:47:41,669 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 18:47:41,671 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 18:47:41,671 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 18:47:41,672 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 18:47:41,673 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 18:47:41,674 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 18:47:41,674 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 18:47:41,674 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 18:47:41,675 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 18:47:41,675 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 18:47:41,676 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 18:47:41,676 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 18:47:41,677 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 18:47:41,677 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 18:47:41,677 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 18:47:41,677 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 18:47:41,677 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 18:47:41,678 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 18:47:41,678 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 18:47:41,679 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7c778898-31ef-43a1-9366-96124ca05e6f/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-01 18:47:41,686 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 18:47:41,687 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 18:47:41,687 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 18:47:41,687 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 18:47:41,688 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 18:47:41,688 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-01 18:47:41,688 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-01 18:47:41,688 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-01 18:47:41,688 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-01 18:47:41,688 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-01 18:47:41,688 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-01 18:47:41,688 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 18:47:41,688 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 18:47:41,688 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 18:47:41,688 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 18:47:41,689 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 18:47:41,689 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 18:47:41,689 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-01 18:47:41,689 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-01 18:47:41,689 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-01 18:47:41,689 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 18:47:41,689 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 18:47:41,689 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-01 18:47:41,689 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 18:47:41,689 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-01 18:47:41,689 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 18:47:41,690 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 18:47:41,690 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-01 18:47:41,690 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 18:47:41,690 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 18:47:41,690 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-01 18:47:41,690 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-01 18:47:41,691 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_7c778898-31ef-43a1-9366-96124ca05e6f/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 -> 454aaa6b423a8831b8582dfeb545ec6b3447f968 [2018-12-01 18:47:41,707 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 18:47:41,714 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 18:47:41,716 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 18:47:41,717 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 18:47:41,717 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 18:47:41,717 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7c778898-31ef-43a1-9366-96124ca05e6f/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c [2018-12-01 18:47:41,752 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c778898-31ef-43a1-9366-96124ca05e6f/bin-2019/uautomizer/data/67cf8d5df/7795124749484641b60ecee5227fc3e6/FLAG2fac4e59f [2018-12-01 18:47:42,233 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 18:47:42,233 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7c778898-31ef-43a1-9366-96124ca05e6f/sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c [2018-12-01 18:47:42,240 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c778898-31ef-43a1-9366-96124ca05e6f/bin-2019/uautomizer/data/67cf8d5df/7795124749484641b60ecee5227fc3e6/FLAG2fac4e59f [2018-12-01 18:47:42,738 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7c778898-31ef-43a1-9366-96124ca05e6f/bin-2019/uautomizer/data/67cf8d5df/7795124749484641b60ecee5227fc3e6 [2018-12-01 18:47:42,740 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 18:47:42,741 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 18:47:42,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 18:47:42,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 18:47:42,744 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 18:47:42,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:47:42" (1/1) ... [2018-12-01 18:47:42,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a96ab85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:47:42, skipping insertion in model container [2018-12-01 18:47:42,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:47:42" (1/1) ... [2018-12-01 18:47:42,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 18:47:42,771 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 18:47:42,917 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:47:42,958 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 18:47:43,009 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:47:43,025 INFO L195 MainTranslator]: Completed translation [2018-12-01 18:47:43,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:47:43 WrapperNode [2018-12-01 18:47:43,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 18:47:43,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 18:47:43,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 18:47:43,026 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 18:47:43,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:47:43" (1/1) ... [2018-12-01 18:47:43,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:47:43" (1/1) ... [2018-12-01 18:47:43,064 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 18:47:43,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 18:47:43,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 18:47:43,065 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 18:47:43,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:47:43" (1/1) ... [2018-12-01 18:47:43,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:47:43" (1/1) ... [2018-12-01 18:47:43,074 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:47:43" (1/1) ... [2018-12-01 18:47:43,074 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:47:43" (1/1) ... [2018-12-01 18:47:43,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:47:43" (1/1) ... [2018-12-01 18:47:43,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:47:43" (1/1) ... [2018-12-01 18:47:43,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:47:43" (1/1) ... [2018-12-01 18:47:43,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 18:47:43,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 18:47:43,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 18:47:43,089 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 18:47:43,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:47:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c778898-31ef-43a1-9366-96124ca05e6f/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 [2018-12-01 18:47:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 18:47:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 18:47:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 18:47:43,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 18:47:43,479 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 18:47:43,479 INFO L280 CfgBuilder]: Removed 194 assue(true) statements. [2018-12-01 18:47:43,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:47:43 BoogieIcfgContainer [2018-12-01 18:47:43,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 18:47:43,480 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-01 18:47:43,480 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-01 18:47:43,482 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-01 18:47:43,483 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 18:47:43,483 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 06:47:42" (1/3) ... [2018-12-01 18:47:43,483 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78d1884a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 06:47:43, skipping insertion in model container [2018-12-01 18:47:43,484 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 18:47:43,484 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:47:43" (2/3) ... [2018-12-01 18:47:43,484 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78d1884a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 06:47:43, skipping insertion in model container [2018-12-01 18:47:43,484 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 18:47:43,484 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:47:43" (3/3) ... [2018-12-01 18:47:43,485 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product58_true-unreach-call_false-termination.cil.c [2018-12-01 18:47:43,516 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 18:47:43,517 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-01 18:47:43,517 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-01 18:47:43,517 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-01 18:47:43,517 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 18:47:43,517 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 18:47:43,517 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-01 18:47:43,517 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 18:47:43,517 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-01 18:47:43,527 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states. [2018-12-01 18:47:43,543 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 85 [2018-12-01 18:47:43,543 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 18:47:43,543 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 18:47:43,548 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-01 18:47:43,548 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 18:47:43,548 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-01 18:47:43,548 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states. [2018-12-01 18:47:43,552 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 85 [2018-12-01 18:47:43,552 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 18:47:43,552 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 18:47:43,552 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-01 18:47:43,552 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 18:47:43,556 INFO L794 eck$LassoCheckResult]: Stem: 106#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string16.base, #t~string16.offset := #Ultimate.alloc(13);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25); 12#L-1true havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; 118#L605true havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 133#L613true main_#t~ret10 := valid_product_#res;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 88#L248true assume 0 != main_~tmp~0; 37#L221true havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 111#L498-1true [2018-12-01 18:47:43,556 INFO L796 eck$LassoCheckResult]: Loop: 111#L498-1true assume !false; 30#L527true assume test_~splverifierCounter~0 < 4; 121#L528true test_~tmp~7 := test_#t~nondet35;havoc test_#t~nondet35; 124#L536true assume !(0 != test_~tmp~7); 126#L536-1true test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; 35#L546true assume !(0 != test_~tmp___0~3); 36#L546-1true test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 100#L556true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 108#L564-2true assume !(0 != ~pumpRunning~0); 7#L274true assume !(0 != ~systemActive~0); 92#L281true havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 50#L100-2true __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; 109#L498true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 111#L498-1true [2018-12-01 18:47:43,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:47:43,560 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-12-01 18:47:43,561 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:47:43,561 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:47:43,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:47:43,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:47:43,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:47:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:47:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:47:43,681 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:47:43,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1678143613, now seen corresponding path program 1 times [2018-12-01 18:47:43,681 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:47:43,681 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:47:43,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:47:43,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:47:43,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:47:43,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:47:43,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:47:43,713 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:47:43,713 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 18:47:43,716 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-01 18:47:43,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 18:47:43,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 18:47:43,726 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 3 states. [2018-12-01 18:47:43,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:47:43,750 INFO L93 Difference]: Finished difference Result 132 states and 188 transitions. [2018-12-01 18:47:43,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 18:47:43,752 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 132 states and 188 transitions. [2018-12-01 18:47:43,754 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 83 [2018-12-01 18:47:43,757 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 132 states to 125 states and 180 transitions. [2018-12-01 18:47:43,758 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 125 [2018-12-01 18:47:43,758 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 125 [2018-12-01 18:47:43,759 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125 states and 180 transitions. [2018-12-01 18:47:43,759 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-01 18:47:43,759 INFO L705 BuchiCegarLoop]: Abstraction has 125 states and 180 transitions. [2018-12-01 18:47:43,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states and 180 transitions. [2018-12-01 18:47:43,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-12-01 18:47:43,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-12-01 18:47:43,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 180 transitions. [2018-12-01 18:47:43,779 INFO L728 BuchiCegarLoop]: Abstraction has 125 states and 180 transitions. [2018-12-01 18:47:43,779 INFO L608 BuchiCegarLoop]: Abstraction has 125 states and 180 transitions. [2018-12-01 18:47:43,779 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-01 18:47:43,780 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 180 transitions. [2018-12-01 18:47:43,780 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 83 [2018-12-01 18:47:43,781 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 18:47:43,781 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 18:47:43,781 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-01 18:47:43,781 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 18:47:43,781 INFO L794 eck$LassoCheckResult]: Stem: 391#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string16.base, #t~string16.offset := #Ultimate.alloc(13);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25); 292#L-1 havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; 293#L605 havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 395#L613 main_#t~ret10 := valid_product_#res;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 382#L248 assume 0 != main_~tmp~0; 332#L221 havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 333#L498-1 [2018-12-01 18:47:43,781 INFO L796 eck$LassoCheckResult]: Loop: 333#L498-1 assume !false; 323#L527 assume test_~splverifierCounter~0 < 4; 324#L528 test_~tmp~7 := test_#t~nondet35;havoc test_#t~nondet35; 397#L536 assume !(0 != test_~tmp~7); 368#L536-1 test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; 330#L546 assume !(0 != test_~tmp___0~3); 296#L546-1 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 331#L556 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 386#L564-2 assume !(0 != ~pumpRunning~0); 282#L274 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 279#L332 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 280#L306-1 assume !(0 == ~pumpRunning~0); 284#L281 havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 348#L100-2 __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; 349#L498 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 333#L498-1 [2018-12-01 18:47:43,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:47:43,782 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-12-01 18:47:43,782 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:47:43,782 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:47:43,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:47:43,782 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:47:43,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:47:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:47:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:47:43,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:47:43,818 INFO L82 PathProgramCache]: Analyzing trace with hash -1068993908, now seen corresponding path program 1 times [2018-12-01 18:47:43,818 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:47:43,818 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:47:43,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:47:43,818 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 18:47:43,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:47:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:47:43,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:47:43,835 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:47:43,835 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 18:47:43,835 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-01 18:47:43,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 18:47:43,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 18:47:43,836 INFO L87 Difference]: Start difference. First operand 125 states and 180 transitions. cyclomatic complexity: 57 Second operand 3 states. [2018-12-01 18:47:43,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:47:43,892 INFO L93 Difference]: Finished difference Result 166 states and 228 transitions. [2018-12-01 18:47:43,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 18:47:43,892 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 166 states and 228 transitions. [2018-12-01 18:47:43,894 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2018-12-01 18:47:43,895 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 166 states to 166 states and 228 transitions. [2018-12-01 18:47:43,895 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 166 [2018-12-01 18:47:43,895 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 166 [2018-12-01 18:47:43,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 166 states and 228 transitions. [2018-12-01 18:47:43,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-01 18:47:43,896 INFO L705 BuchiCegarLoop]: Abstraction has 166 states and 228 transitions. [2018-12-01 18:47:43,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states and 228 transitions. [2018-12-01 18:47:43,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2018-12-01 18:47:43,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2018-12-01 18:47:43,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 228 transitions. [2018-12-01 18:47:43,900 INFO L728 BuchiCegarLoop]: Abstraction has 166 states and 228 transitions. [2018-12-01 18:47:43,900 INFO L608 BuchiCegarLoop]: Abstraction has 166 states and 228 transitions. [2018-12-01 18:47:43,900 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-01 18:47:43,900 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 166 states and 228 transitions. [2018-12-01 18:47:43,901 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2018-12-01 18:47:43,901 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 18:47:43,902 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 18:47:43,902 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-01 18:47:43,902 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 18:47:43,902 INFO L794 eck$LassoCheckResult]: Stem: 695#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string16.base, #t~string16.offset := #Ultimate.alloc(13);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25); 585#L-1 havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; 586#L605 havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 704#L613 main_#t~ret10 := valid_product_#res;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 685#L248 assume 0 != main_~tmp~0; 629#L221 havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 630#L498-1 [2018-12-01 18:47:43,902 INFO L796 eck$LassoCheckResult]: Loop: 630#L498-1 assume !false; 617#L527 assume test_~splverifierCounter~0 < 4; 618#L528 test_~tmp~7 := test_#t~nondet35;havoc test_#t~nondet35; 706#L536 assume !(0 != test_~tmp~7); 670#L536-1 test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; 627#L546 assume !(0 != test_~tmp___0~3); 590#L546-1 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 628#L556 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 690#L564-2 assume !(0 != ~pumpRunning~0); 577#L274 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 575#L332 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 576#L306-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret31, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 676#L140-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 703#L145-1 isHighWaterLevel_#t~ret31 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret31;havoc isHighWaterLevel_#t~ret31; 662#L452-3 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~0 := 0; 663#L452-5 isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; 599#L458-1 processEnvironment__wrappee__highWaterSensor_#t~ret11 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret11;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11; 582#L310-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1); 579#L281 havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 719#L100-2 __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; 718#L498 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 630#L498-1 [2018-12-01 18:47:43,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:47:43,903 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-12-01 18:47:43,903 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:47:43,903 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:47:43,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:47:43,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:47:43,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:47:43,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:47:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:47:43,933 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:47:43,933 INFO L82 PathProgramCache]: Analyzing trace with hash 87587064, now seen corresponding path program 1 times [2018-12-01 18:47:43,933 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:47:43,933 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:47:43,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:47:43,934 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 18:47:43,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:47:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:47:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:47:43,942 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:47:43,942 INFO L82 PathProgramCache]: Analyzing trace with hash 543658258, now seen corresponding path program 1 times [2018-12-01 18:47:43,942 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:47:43,942 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:47:43,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:47:43,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:47:43,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:47:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:47:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 18:47:48,463 WARN L180 SmtUtils]: Spent 4.36 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-12-01 18:47:50,531 WARN L180 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 423 [2018-12-01 18:47:50,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 06:47:50 BoogieIcfgContainer [2018-12-01 18:47:50,564 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-01 18:47:50,564 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 18:47:50,564 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 18:47:50,565 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 18:47:50,565 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:47:43" (3/4) ... [2018-12-01 18:47:50,567 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-01 18:47:50,604 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7c778898-31ef-43a1-9366-96124ca05e6f/bin-2019/uautomizer/witness.graphml [2018-12-01 18:47:50,604 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 18:47:50,605 INFO L168 Benchmark]: Toolchain (without parser) took 7864.89 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 229.1 MB). Free memory was 956.0 MB in the beginning and 942.6 MB in the end (delta: 13.4 MB). Peak memory consumption was 242.5 MB. Max. memory is 11.5 GB. [2018-12-01 18:47:50,606 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. [2018-12-01 18:47:50,606 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 58.7 MB). Free memory was 956.0 MB in the beginning and 1.0 GB in the end (delta: -79.0 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-12-01 18:47:50,606 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. [2018-12-01 18:47:50,606 INFO L168 Benchmark]: Boogie Preprocessor took 23.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-01 18:47:50,607 INFO L168 Benchmark]: RCFGBuilder took 391.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 964.9 MB in the end (delta: 61.6 MB). Peak memory consumption was 61.6 MB. Max. memory is 11.5 GB. [2018-12-01 18:47:50,607 INFO L168 Benchmark]: BuchiAutomizer took 7084.19 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 170.4 MB). Free memory was 964.9 MB in the beginning and 952.1 MB in the end (delta: 12.8 MB). Peak memory consumption was 374.4 MB. Max. memory is 11.5 GB. [2018-12-01 18:47:50,607 INFO L168 Benchmark]: Witness Printer took 40.20 ms. Allocated memory is still 1.3 GB. Free memory was 952.1 MB in the beginning and 942.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2018-12-01 18:47:50,610 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 283.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 58.7 MB). Free memory was 956.0 MB in the beginning and 1.0 GB in the end (delta: -79.0 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 391.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 964.9 MB in the end (delta: 61.6 MB). Peak memory consumption was 61.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7084.19 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 170.4 MB). Free memory was 964.9 MB in the beginning and 952.1 MB in the end (delta: 12.8 MB). Peak memory consumption was 374.4 MB. Max. memory is 11.5 GB. * Witness Printer took 40.20 ms. Allocated memory is still 1.3 GB. Free memory was 952.1 MB in the beginning and 942.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 166 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 6.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 166 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 350 SDtfs, 313 SDslu, 66 SDs, 0 SdLazy, 33 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI2 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: 526]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, retValue_acc=0, NULL=0, NULL=24, NULL=0, retValue_acc=0, NULL=36, NULL=16, NULL=0, NULL=0, NULL=38, NULL=22, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@53b44b48=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d2f69a3=0, retValue_acc=1, tmp___0=0, NULL=0, NULL=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b836c45=0, NULL=37, NULL=0, retValue_acc=0, tmp___1=0, tmp___0=0, NULL=14, NULL=26, cleanupTimeShifts=4, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@19b7c747=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6dad5a92=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5b468835=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@48833ab1=0, NULL=0, systemActive=1, waterLevel=1, NULL=11, NULL=0, NULL=20, \result=0, NULL=15, NULL=0, \result=1, NULL=33, head=0, pumpRunning=0, tmp=1, \result=0, tmp=0, retValue_acc=1, NULL=0, NULL=0, NULL=0, \result=1, NULL=39, NULL=31, NULL=29, NULL=0, NULL=0, tmp=1, NULL=27, tmp___0=0, tmp___2=56, NULL=12, NULL=34, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=0, NULL=19, NULL=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e5449bc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5416479a=0, NULL=23, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ae06cb=0, head=0, NULL=0, NULL=0, NULL=35, NULL=0, NULL=0, NULL=18, NULL=17, 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: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L160] int cleanupTimeShifts = 4; [L266] int pumpRunning = 0; [L267] int systemActive = 1; [L787] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L239] int retValue_acc ; [L240] int tmp ; [L609] int retValue_acc ; [L612] retValue_acc = 1 [L613] return (retValue_acc); [L246] tmp = valid_product() [L248] COND TRUE \read(tmp) [L517] int splverifierCounter ; [L518] int tmp ; [L519] int tmp___0 ; [L520] int tmp___1 ; [L521] int tmp___2 ; [L524] splverifierCounter = 0 Loop: [L526] COND TRUE 1 [L528] COND TRUE splverifierCounter < 4 [L534] tmp = __VERIFIER_nondet_int() [L536] COND FALSE !(\read(tmp)) [L544] tmp___0 = __VERIFIER_nondet_int() [L546] COND FALSE !(\read(tmp___0)) [L554] tmp___2 = __VERIFIER_nondet_int() [L556] COND TRUE \read(tmp___2) [L485] systemActive = 1 [L274] COND FALSE !(\read(pumpRunning)) [L281] COND TRUE \read(systemActive) [L329] int tmp ; [L332] COND FALSE !(\read(pumpRunning)) [L303] int tmp ; [L306] COND TRUE ! pumpRunning [L444] int retValue_acc ; [L445] int tmp ; [L446] int tmp___0 ; [L137] int retValue_acc ; [L140] COND TRUE waterLevel < 2 [L141] retValue_acc = 1 [L142] return (retValue_acc); [L450] tmp = isHighWaterSensorDry() [L452] COND TRUE \read(tmp) [L453] tmp___0 = 0 [L457] retValue_acc = tmp___0 [L458] return (retValue_acc); [L308] tmp = isHighWaterLevel() [L310] COND FALSE !(\read(tmp)) [L491] int tmp ; [L492] int tmp___0 ; [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L496] tmp = isMethaneLevelCritical() [L498] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...