./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product42_false-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_c5a83bfe-d0b3-4809-8326-4b199a06973c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c5a83bfe-d0b3-4809-8326-4b199a06973c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c5a83bfe-d0b3-4809-8326-4b199a06973c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c5a83bfe-d0b3-4809-8326-4b199a06973c/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product42_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c5a83bfe-d0b3-4809-8326-4b199a06973c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c5a83bfe-d0b3-4809-8326-4b199a06973c/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 c0851c41d1dd56ed840a839dd5bb938ccfe6bf65 .............................................................................................................................................................................................................................................................................................................................................................................................................................. 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 [2018-12-02 06:07:23,708 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 06:07:23,709 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 06:07:23,715 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 06:07:23,715 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 06:07:23,716 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 06:07:23,717 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 06:07:23,718 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 06:07:23,718 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 06:07:23,719 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 06:07:23,719 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 06:07:23,719 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 06:07:23,720 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 06:07:23,720 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 06:07:23,721 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 06:07:23,722 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 06:07:23,722 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 06:07:23,723 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 06:07:23,724 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 06:07:23,725 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 06:07:23,725 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 06:07:23,726 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 06:07:23,727 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 06:07:23,727 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 06:07:23,728 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 06:07:23,728 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 06:07:23,729 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 06:07:23,729 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 06:07:23,730 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 06:07:23,730 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 06:07:23,730 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 06:07:23,731 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 06:07:23,731 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 06:07:23,731 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 06:07:23,732 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 06:07:23,732 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 06:07:23,732 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c5a83bfe-d0b3-4809-8326-4b199a06973c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-02 06:07:23,740 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 06:07:23,741 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 06:07:23,741 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 06:07:23,741 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 06:07:23,741 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 06:07:23,742 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-02 06:07:23,742 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-02 06:07:23,742 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-02 06:07:23,742 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-02 06:07:23,742 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-02 06:07:23,742 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-02 06:07:23,742 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 06:07:23,742 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 06:07:23,742 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 06:07:23,742 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 06:07:23,742 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 06:07:23,742 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 06:07:23,743 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-02 06:07:23,743 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-02 06:07:23,743 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-02 06:07:23,743 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 06:07:23,743 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 06:07:23,743 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-02 06:07:23,743 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 06:07:23,743 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-02 06:07:23,743 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 06:07:23,743 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 06:07:23,743 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-02 06:07:23,744 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 06:07:23,744 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 06:07:23,744 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-02 06:07:23,744 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-02 06:07:23,744 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_c5a83bfe-d0b3-4809-8326-4b199a06973c/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 -> c0851c41d1dd56ed840a839dd5bb938ccfe6bf65 [2018-12-02 06:07:23,762 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 06:07:23,771 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 06:07:23,773 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 06:07:23,774 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 06:07:23,775 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 06:07:23,775 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c5a83bfe-d0b3-4809-8326-4b199a06973c/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product42_false-unreach-call_false-termination.cil.c [2018-12-02 06:07:23,816 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c5a83bfe-d0b3-4809-8326-4b199a06973c/bin-2019/uautomizer/data/78c04a9e2/563d3bf26d3d4d0a9b78a377c0c1298f/FLAGfabb9fc68 [2018-12-02 06:07:24,253 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 06:07:24,253 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c5a83bfe-d0b3-4809-8326-4b199a06973c/sv-benchmarks/c/product-lines/minepump_spec4_product42_false-unreach-call_false-termination.cil.c [2018-12-02 06:07:24,259 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c5a83bfe-d0b3-4809-8326-4b199a06973c/bin-2019/uautomizer/data/78c04a9e2/563d3bf26d3d4d0a9b78a377c0c1298f/FLAGfabb9fc68 [2018-12-02 06:07:24,267 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c5a83bfe-d0b3-4809-8326-4b199a06973c/bin-2019/uautomizer/data/78c04a9e2/563d3bf26d3d4d0a9b78a377c0c1298f [2018-12-02 06:07:24,269 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 06:07:24,270 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 06:07:24,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 06:07:24,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 06:07:24,272 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 06:07:24,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:07:24" (1/1) ... [2018-12-02 06:07:24,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:07:24, skipping insertion in model container [2018-12-02 06:07:24,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:07:24" (1/1) ... [2018-12-02 06:07:24,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 06:07:24,297 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 06:07:24,437 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:07:24,477 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 06:07:24,522 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:07:24,537 INFO L195 MainTranslator]: Completed translation [2018-12-02 06:07:24,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:07:24 WrapperNode [2018-12-02 06:07:24,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 06:07:24,538 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 06:07:24,538 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 06:07:24,538 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 06:07:24,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:07:24" (1/1) ... [2018-12-02 06:07:24,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:07:24" (1/1) ... [2018-12-02 06:07:24,573 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 06:07:24,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 06:07:24,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 06:07:24,573 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 06:07:24,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:07:24" (1/1) ... [2018-12-02 06:07:24,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:07:24" (1/1) ... [2018-12-02 06:07:24,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:07:24" (1/1) ... [2018-12-02 06:07:24,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:07:24" (1/1) ... [2018-12-02 06:07:24,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:07:24" (1/1) ... [2018-12-02 06:07:24,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:07:24" (1/1) ... [2018-12-02 06:07:24,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:07:24" (1/1) ... [2018-12-02 06:07:24,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 06:07:24,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 06:07:24,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 06:07:24,594 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 06:07:24,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:07:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c5a83bfe-d0b3-4809-8326-4b199a06973c/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 [2018-12-02 06:07:24,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 06:07:24,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 06:07:24,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 06:07:24,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 06:07:24,905 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 06:07:24,905 INFO L280 CfgBuilder]: Removed 116 assue(true) statements. [2018-12-02 06:07:24,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:07:24 BoogieIcfgContainer [2018-12-02 06:07:24,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 06:07:24,906 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-02 06:07:24,906 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-02 06:07:24,908 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-02 06:07:24,909 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 06:07:24,909 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 06:07:24" (1/3) ... [2018-12-02 06:07:24,909 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b5a0813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 06:07:24, skipping insertion in model container [2018-12-02 06:07:24,909 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 06:07:24,910 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:07:24" (2/3) ... [2018-12-02 06:07:24,910 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b5a0813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 06:07:24, skipping insertion in model container [2018-12-02 06:07:24,910 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 06:07:24,910 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:07:24" (3/3) ... [2018-12-02 06:07:24,911 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product42_false-unreach-call_false-termination.cil.c [2018-12-02 06:07:24,942 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 06:07:24,942 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-02 06:07:24,943 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-02 06:07:24,943 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-02 06:07:24,943 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 06:07:24,943 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 06:07:24,943 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-02 06:07:24,943 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 06:07:24,943 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-02 06:07:24,952 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 84 states. [2018-12-02 06:07:24,967 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2018-12-02 06:07:24,967 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 06:07:24,967 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 06:07:24,972 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-02 06:07:24,973 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:07:24,973 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-02 06:07:24,973 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 84 states. [2018-12-02 06:07:24,975 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2018-12-02 06:07:24,975 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 06:07:24,975 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 06:07:24,976 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-02 06:07:24,976 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:07:24,979 INFO L794 eck$LassoCheckResult]: Stem: 34#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);~head~0.base, ~head~0.offset := 0, 0;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(21);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(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string57.base, #t~string57.offset := #Ultimate.alloc(13);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);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(80, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(117, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(109, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(112, #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(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(32, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1); 14#L-1true havoc main_#res;havoc main_#t~ret48, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; 49#L532true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 75#L540true main_#t~ret48 := valid_product_#res;main_~tmp~4 := main_#t~ret48;havoc main_#t~ret48; 19#L658true assume 0 != main_~tmp~4; 55#L634true havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 12#L555-1true [2018-12-02 06:07:24,979 INFO L796 eck$LassoCheckResult]: Loop: 12#L555-1true assume !false; 29#L684true assume test_~splverifierCounter~0 < 4; 42#L685true test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 63#L693true assume !(0 != test_~tmp~5); 50#L693-1true test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 47#L703true assume !(0 != test_~tmp___0~1); 33#L703-1true test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 16#L713true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 38#L721-2true assume !(0 != ~pumpRunning~0); 6#L749true assume !(0 != ~systemActive~0); 65#L756true havoc __utac_acc__Specification4_spec__1_#t~ret46, __utac_acc__Specification4_spec__1_#t~ret47, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 40#L122true __utac_acc__Specification4_spec__1_#t~ret46 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret46;havoc __utac_acc__Specification4_spec__1_#t~ret46; 10#L555true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 12#L555-1true [2018-12-02 06:07:24,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:07:24,983 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-12-02 06:07:24,984 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:07:24,984 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:07:25,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:07:25,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:07:25,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:07:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 06:07:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 06:07:25,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:07:25,122 INFO L82 PathProgramCache]: Analyzing trace with hash -1680236925, now seen corresponding path program 1 times [2018-12-02 06:07:25,122 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:07:25,122 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:07:25,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:07:25,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:07:25,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:07:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:07:25,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:07:25,153 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:07:25,153 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 06:07:25,156 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-02 06:07:25,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:07:25,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:07:25,166 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 3 states. [2018-12-02 06:07:25,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:07:25,192 INFO L93 Difference]: Finished difference Result 84 states and 116 transitions. [2018-12-02 06:07:25,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:07:25,194 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 116 transitions. [2018-12-02 06:07:25,196 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2018-12-02 06:07:25,199 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 77 states and 108 transitions. [2018-12-02 06:07:25,199 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 77 [2018-12-02 06:07:25,200 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 77 [2018-12-02 06:07:25,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 77 states and 108 transitions. [2018-12-02 06:07:25,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-02 06:07:25,201 INFO L705 BuchiCegarLoop]: Abstraction has 77 states and 108 transitions. [2018-12-02 06:07:25,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states and 108 transitions. [2018-12-02 06:07:25,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-12-02 06:07:25,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-12-02 06:07:25,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 108 transitions. [2018-12-02 06:07:25,220 INFO L728 BuchiCegarLoop]: Abstraction has 77 states and 108 transitions. [2018-12-02 06:07:25,221 INFO L608 BuchiCegarLoop]: Abstraction has 77 states and 108 transitions. [2018-12-02 06:07:25,221 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-02 06:07:25,221 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states and 108 transitions. [2018-12-02 06:07:25,222 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2018-12-02 06:07:25,222 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 06:07:25,222 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 06:07:25,222 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-02 06:07:25,222 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:07:25,223 INFO L794 eck$LassoCheckResult]: Stem: 225#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);~head~0.base, ~head~0.offset := 0, 0;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(21);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(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string57.base, #t~string57.offset := #Ultimate.alloc(13);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);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(80, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(117, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(109, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(112, #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(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(32, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1); 200#L-1 havoc main_#res;havoc main_#t~ret48, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; 201#L532 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 234#L540 main_#t~ret48 := valid_product_#res;main_~tmp~4 := main_#t~ret48;havoc main_#t~ret48; 209#L658 assume 0 != main_~tmp~4; 210#L634 havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 191#L555-1 [2018-12-02 06:07:25,223 INFO L796 eck$LassoCheckResult]: Loop: 191#L555-1 assume !false; 198#L684 assume test_~splverifierCounter~0 < 4; 219#L685 test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 231#L693 assume !(0 != test_~tmp~5); 212#L693-1 test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 233#L703 assume !(0 != test_~tmp___0~1); 224#L703-1 test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 204#L713 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 205#L721-2 assume !(0 != ~pumpRunning~0); 183#L749 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret53, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 184#L781 assume !(0 == ~pumpRunning~0); 245#L756 havoc __utac_acc__Specification4_spec__1_#t~ret46, __utac_acc__Specification4_spec__1_#t~ret47, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 229#L122 __utac_acc__Specification4_spec__1_#t~ret46 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret46;havoc __utac_acc__Specification4_spec__1_#t~ret46; 190#L555 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 191#L555-1 [2018-12-02 06:07:25,223 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:07:25,223 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-12-02 06:07:25,223 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:07:25,223 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:07:25,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:07:25,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:07:25,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:07:25,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 06:07:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 06:07:25,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:07:25,259 INFO L82 PathProgramCache]: Analyzing trace with hash -589506373, now seen corresponding path program 1 times [2018-12-02 06:07:25,259 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:07:25,260 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:07:25,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:07:25,260 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 06:07:25,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:07:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:07:25,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:07:25,268 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:07:25,268 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 06:07:25,268 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-02 06:07:25,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:07:25,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:07:25,269 INFO L87 Difference]: Start difference. First operand 77 states and 108 transitions. cyclomatic complexity: 33 Second operand 3 states. [2018-12-02 06:07:25,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:07:25,314 INFO L93 Difference]: Finished difference Result 118 states and 159 transitions. [2018-12-02 06:07:25,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:07:25,315 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 118 states and 159 transitions. [2018-12-02 06:07:25,317 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 82 [2018-12-02 06:07:25,318 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 118 states to 118 states and 159 transitions. [2018-12-02 06:07:25,318 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 118 [2018-12-02 06:07:25,319 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 118 [2018-12-02 06:07:25,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 118 states and 159 transitions. [2018-12-02 06:07:25,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-02 06:07:25,319 INFO L705 BuchiCegarLoop]: Abstraction has 118 states and 159 transitions. [2018-12-02 06:07:25,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states and 159 transitions. [2018-12-02 06:07:25,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-12-02 06:07:25,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-12-02 06:07:25,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 159 transitions. [2018-12-02 06:07:25,325 INFO L728 BuchiCegarLoop]: Abstraction has 118 states and 159 transitions. [2018-12-02 06:07:25,325 INFO L608 BuchiCegarLoop]: Abstraction has 118 states and 159 transitions. [2018-12-02 06:07:25,325 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-02 06:07:25,325 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states and 159 transitions. [2018-12-02 06:07:25,326 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 82 [2018-12-02 06:07:25,326 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 06:07:25,326 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 06:07:25,327 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-02 06:07:25,327 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:07:25,327 INFO L794 eck$LassoCheckResult]: Stem: 424#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);~head~0.base, ~head~0.offset := 0, 0;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(21);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(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string57.base, #t~string57.offset := #Ultimate.alloc(13);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);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(80, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(117, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(109, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(112, #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(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(32, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1); 399#L-1 havoc main_#res;havoc main_#t~ret48, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; 400#L532 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 437#L540 main_#t~ret48 := valid_product_#res;main_~tmp~4 := main_#t~ret48;havoc main_#t~ret48; 408#L658 assume 0 != main_~tmp~4; 409#L634 havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 392#L555-1 [2018-12-02 06:07:25,327 INFO L796 eck$LassoCheckResult]: Loop: 392#L555-1 assume !false; 396#L684 assume test_~splverifierCounter~0 < 4; 418#L685 test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 432#L693 assume !(0 != test_~tmp~5); 411#L693-1 test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 436#L703 assume !(0 != test_~tmp___0~1); 423#L703-1 test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 402#L713 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 403#L721-2 assume !(0 != ~pumpRunning~0); 427#L749 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret53, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 448#L781 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret72, isHighWaterLevel_~retValue_acc~11, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~11;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 449#L130 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 388#L135 isHighWaterLevel_#t~ret72 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret72;havoc isHighWaterLevel_#t~ret72; 389#L901 assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~2 := 0; 431#L901-2 isHighWaterLevel_~retValue_acc~11 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~11; 419#L907 processEnvironment_#t~ret53 := isHighWaterLevel_#res;processEnvironment_~tmp~6 := processEnvironment_#t~ret53;havoc processEnvironment_#t~ret53; 420#L785 assume !(0 != processEnvironment_~tmp~6); 455#L756 havoc __utac_acc__Specification4_spec__1_#t~ret46, __utac_acc__Specification4_spec__1_#t~ret47, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 430#L122 __utac_acc__Specification4_spec__1_#t~ret46 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret46;havoc __utac_acc__Specification4_spec__1_#t~ret46; 391#L555 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 392#L555-1 [2018-12-02 06:07:25,328 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:07:25,328 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-12-02 06:07:25,328 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:07:25,328 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:07:25,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:07:25,329 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:07:25,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:07:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 06:07:25,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 06:07:25,360 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:07:25,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1033634393, now seen corresponding path program 1 times [2018-12-02 06:07:25,360 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:07:25,360 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:07:25,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:07:25,361 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 06:07:25,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:07:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 06:07:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 06:07:25,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:07:25,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1018922419, now seen corresponding path program 1 times [2018-12-02 06:07:25,369 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:07:25,369 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:07:25,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:07:25,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:07:25,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:07:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 06:07:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 06:07:30,518 WARN L180 SmtUtils]: Spent 4.99 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-12-02 06:07:32,984 WARN L180 SmtUtils]: Spent 2.47 s on a formula simplification that was a NOOP. DAG size: 423 [2018-12-02 06:07:33,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 06:07:33 BoogieIcfgContainer [2018-12-02 06:07:33,017 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-02 06:07:33,018 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 06:07:33,018 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 06:07:33,018 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 06:07:33,018 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:07:24" (3/4) ... [2018-12-02 06:07:33,021 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-02 06:07:33,057 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c5a83bfe-d0b3-4809-8326-4b199a06973c/bin-2019/uautomizer/witness.graphml [2018-12-02 06:07:33,057 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 06:07:33,058 INFO L168 Benchmark]: Toolchain (without parser) took 8788.46 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 251.1 MB). Free memory was 956.0 MB in the beginning and 1.0 GB in the end (delta: -54.8 MB). Peak memory consumption was 196.3 MB. Max. memory is 11.5 GB. [2018-12-02 06:07:33,058 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-12-02 06:07:33,059 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -116.4 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-02 06:07:33,059 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.04 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. [2018-12-02 06:07:33,059 INFO L168 Benchmark]: Boogie Preprocessor took 20.48 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. [2018-12-02 06:07:33,059 INFO L168 Benchmark]: RCFGBuilder took 311.68 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: 59.5 MB). Peak memory consumption was 59.5 MB. Max. memory is 11.5 GB. [2018-12-02 06:07:33,060 INFO L168 Benchmark]: BuchiAutomizer took 8111.45 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 161.5 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -7.4 MB). Peak memory consumption was 388.9 MB. Max. memory is 11.5 GB. [2018-12-02 06:07:33,060 INFO L168 Benchmark]: Witness Printer took 39.43 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2018-12-02 06:07:33,062 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 267.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -116.4 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.04 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. * Boogie Preprocessor took 20.48 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 311.68 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: 59.5 MB). Peak memory consumption was 59.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8111.45 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 161.5 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -7.4 MB). Peak memory consumption was 388.9 MB. Max. memory is 11.5 GB. * Witness Printer took 39.43 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB 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 118 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 7.8s. 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 118 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 219 SDtfs, 203 SDslu, 48 SDs, 0 SdLazy, 24 SolverSat, 14 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: 683]: 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, NULL=23, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3588fdf6=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@18fc79b5=0, NULL=29, NULL=0, NULL=15, NULL=0, NULL=34, NULL=28, retValue_acc=0, NULL=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@263a93ce=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3237f90d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1251d5b3=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28043236=0, NULL=14, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@195bacf5=0, tmp___0=0, NULL=0, NULL=0, tmp=0, NULL=19, NULL=38, NULL=0, tmp___1=0, NULL=33, tmp___0=0, NULL=24, NULL=39, cleanupTimeShifts=4, NULL=37, NULL=12, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=8, \result=1, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33e284e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45f3a418=0, \result=0, NULL=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, NULL=31, \result=0, tmp=1, retValue_acc=1, NULL=0, \result=1, NULL=36, NULL=27, retValue_acc=1, NULL=0, tmp=1, retValue_acc=0, NULL=20, tmp=1, tmp___2=56, NULL=11, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=17, NULL=22, head=0, NULL=0, tmp=0, NULL=35, NULL=0, NULL=0, NULL=16, NULL=0, NULL=26, NULL=18} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L310] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L573] int cleanupTimeShifts = 4; [L742] int pumpRunning = 0; [L743] int systemActive = 1; [L649] int retValue_acc ; [L650] int tmp ; [L536] int retValue_acc ; [L539] retValue_acc = 1 [L540] return (retValue_acc); [L656] tmp = valid_product() [L658] COND TRUE \read(tmp) [L674] int splverifierCounter ; [L675] int tmp ; [L676] int tmp___0 ; [L677] int tmp___1 ; [L678] int tmp___2 ; [L681] splverifierCounter = 0 Loop: [L683] COND TRUE 1 [L685] COND TRUE splverifierCounter < 4 [L691] tmp = __VERIFIER_nondet_int() [L693] COND FALSE !(\read(tmp)) [L701] tmp___0 = __VERIFIER_nondet_int() [L703] COND FALSE !(\read(tmp___0)) [L711] tmp___2 = __VERIFIER_nondet_int() [L713] COND TRUE \read(tmp___2) [L915] systemActive = 1 [L749] COND FALSE !(\read(pumpRunning)) [L756] COND TRUE \read(systemActive) [L778] int tmp ; [L781] COND TRUE ! pumpRunning [L893] int retValue_acc ; [L894] int tmp ; [L895] int tmp___0 ; [L127] int retValue_acc ; [L130] COND TRUE waterLevel < 2 [L131] retValue_acc = 1 [L132] return (retValue_acc); [L899] tmp = isHighWaterSensorDry() [L901] COND TRUE \read(tmp) [L902] tmp___0 = 0 [L906] retValue_acc = tmp___0 [L907] return (retValue_acc); [L783] tmp = isHighWaterLevel() [L785] COND FALSE !(\read(tmp)) [L548] int tmp ; [L549] int tmp___0 ; [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] return (retValue_acc); [L553] tmp = getWaterLevel() [L555] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...