./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d435491c-3440-40d8-8df7-eec8820a7b27/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d435491c-3440-40d8-8df7-eec8820a7b27/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d435491c-3440-40d8-8df7-eec8820a7b27/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d435491c-3440-40d8-8df7-eec8820a7b27/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d435491c-3440-40d8-8df7-eec8820a7b27/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d435491c-3440-40d8-8df7-eec8820a7b27/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 26f7660d8ab24b35503e9d3e9f36c3801ecfd446 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:19:39,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:19:39,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:19:39,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:19:39,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:19:39,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:19:39,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:19:39,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:19:39,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:19:39,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:19:39,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:19:39,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:19:39,665 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:19:39,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:19:39,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:19:39,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:19:39,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:19:39,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:19:39,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:19:39,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:19:39,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:19:39,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:19:39,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:19:39,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:19:39,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:19:39,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:19:39,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:19:39,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:19:39,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:19:39,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:19:39,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:19:39,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:19:39,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:19:39,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:19:39,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:19:39,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:19:39,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:19:39,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:19:39,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:19:39,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:19:39,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:19:39,698 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d435491c-3440-40d8-8df7-eec8820a7b27/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:19:39,718 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:19:39,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:19:39,720 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:19:39,720 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:19:39,721 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:19:39,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:19:39,721 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:19:39,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:19:39,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:19:39,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:19:39,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:19:39,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:19:39,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:19:39,723 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:19:39,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:19:39,724 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:19:39,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:19:39,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:19:39,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:19:39,725 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:19:39,725 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:19:39,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:19:39,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:19:39,726 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:19:39,727 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:19:39,727 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:19:39,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:19:39,727 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:19:39,728 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:19:39,728 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_d435491c-3440-40d8-8df7-eec8820a7b27/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d435491c-3440-40d8-8df7-eec8820a7b27/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26f7660d8ab24b35503e9d3e9f36c3801ecfd446 [2020-11-28 03:19:39,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:19:39,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:19:39,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:19:39,976 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:19:39,978 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:19:39,979 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d435491c-3440-40d8-8df7-eec8820a7b27/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c [2020-11-28 03:19:40,070 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d435491c-3440-40d8-8df7-eec8820a7b27/bin/uautomizer/data/3d073116d/073be94d7adb40a495b34c185b1f739e/FLAGe496d4250 [2020-11-28 03:19:40,600 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:19:40,600 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d435491c-3440-40d8-8df7-eec8820a7b27/sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c [2020-11-28 03:19:40,613 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d435491c-3440-40d8-8df7-eec8820a7b27/bin/uautomizer/data/3d073116d/073be94d7adb40a495b34c185b1f739e/FLAGe496d4250 [2020-11-28 03:19:40,922 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d435491c-3440-40d8-8df7-eec8820a7b27/bin/uautomizer/data/3d073116d/073be94d7adb40a495b34c185b1f739e [2020-11-28 03:19:40,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:19:40,926 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:19:40,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:19:40,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:19:40,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:19:40,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:19:40" (1/1) ... [2020-11-28 03:19:40,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3737edc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:40, skipping insertion in model container [2020-11-28 03:19:40,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:19:40" (1/1) ... [2020-11-28 03:19:40,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:19:41,009 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:19:41,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:19:41,412 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:19:41,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:19:41,535 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:19:41,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:41 WrapperNode [2020-11-28 03:19:41,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:19:41,537 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:19:41,537 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:19:41,537 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:19:41,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:41" (1/1) ... [2020-11-28 03:19:41,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:41" (1/1) ... [2020-11-28 03:19:41,656 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:19:41,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:19:41,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:19:41,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:19:41,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:41" (1/1) ... [2020-11-28 03:19:41,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:41" (1/1) ... [2020-11-28 03:19:41,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:41" (1/1) ... [2020-11-28 03:19:41,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:41" (1/1) ... [2020-11-28 03:19:41,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:41" (1/1) ... [2020-11-28 03:19:41,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:41" (1/1) ... [2020-11-28 03:19:41,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:41" (1/1) ... [2020-11-28 03:19:41,741 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:19:41,742 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:19:41,742 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:19:41,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:19:41,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d435491c-3440-40d8-8df7-eec8820a7b27/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:19:41,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:19:41,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:19:41,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:19:41,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:19:42,992 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:19:42,994 INFO L298 CfgBuilder]: Removed 200 assume(true) statements. [2020-11-28 03:19:42,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:42 BoogieIcfgContainer [2020-11-28 03:19:42,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:19:43,001 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:19:43,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:19:43,007 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:19:43,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:19:40" (1/3) ... [2020-11-28 03:19:43,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e77473b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:19:43, skipping insertion in model container [2020-11-28 03:19:43,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:41" (2/3) ... [2020-11-28 03:19:43,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e77473b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:19:43, skipping insertion in model container [2020-11-28 03:19:43,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:42" (3/3) ... [2020-11-28 03:19:43,010 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product57.cil.c [2020-11-28 03:19:43,025 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:19:43,030 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 03:19:43,042 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:19:43,081 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:19:43,081 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:19:43,081 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:19:43,081 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:19:43,082 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:19:43,082 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:19:43,082 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:19:43,082 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:19:43,106 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states. [2020-11-28 03:19:43,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 03:19:43,113 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:43,114 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:43,114 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:43,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:43,120 INFO L82 PathProgramCache]: Analyzing trace with hash 452487524, now seen corresponding path program 1 times [2020-11-28 03:19:43,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:43,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614035211] [2020-11-28 03:19:43,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:43,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:43,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614035211] [2020-11-28 03:19:43,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:43,378 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:19:43,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225641804] [2020-11-28 03:19:43,383 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:19:43,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:43,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:19:43,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:19:43,402 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 2 states. [2020-11-28 03:19:43,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:43,439 INFO L93 Difference]: Finished difference Result 274 states and 411 transitions. [2020-11-28 03:19:43,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:19:43,440 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-28 03:19:43,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:43,452 INFO L225 Difference]: With dead ends: 274 [2020-11-28 03:19:43,452 INFO L226 Difference]: Without dead ends: 135 [2020-11-28 03:19:43,456 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:19:43,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-11-28 03:19:43,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2020-11-28 03:19:43,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-11-28 03:19:43,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 196 transitions. [2020-11-28 03:19:43,502 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 196 transitions. Word has length 18 [2020-11-28 03:19:43,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:43,502 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 196 transitions. [2020-11-28 03:19:43,502 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:19:43,502 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 196 transitions. [2020-11-28 03:19:43,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 03:19:43,504 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:43,504 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:43,504 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:19:43,504 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:43,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:43,505 INFO L82 PathProgramCache]: Analyzing trace with hash 233651555, now seen corresponding path program 1 times [2020-11-28 03:19:43,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:43,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379252647] [2020-11-28 03:19:43,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:43,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:43,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379252647] [2020-11-28 03:19:43,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:43,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:19:43,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667674509] [2020-11-28 03:19:43,625 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:43,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:43,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:43,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:43,626 INFO L87 Difference]: Start difference. First operand 135 states and 196 transitions. Second operand 3 states. [2020-11-28 03:19:43,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:43,645 INFO L93 Difference]: Finished difference Result 135 states and 196 transitions. [2020-11-28 03:19:43,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:43,649 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-28 03:19:43,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:43,654 INFO L225 Difference]: With dead ends: 135 [2020-11-28 03:19:43,654 INFO L226 Difference]: Without dead ends: 55 [2020-11-28 03:19:43,656 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:43,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-28 03:19:43,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-28 03:19:43,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-28 03:19:43,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2020-11-28 03:19:43,667 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2020-11-28 03:19:43,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:43,667 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2020-11-28 03:19:43,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:43,667 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-11-28 03:19:43,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 03:19:43,668 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:43,669 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:43,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:19:43,669 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:43,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:43,670 INFO L82 PathProgramCache]: Analyzing trace with hash -1475398090, now seen corresponding path program 1 times [2020-11-28 03:19:43,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:43,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494404801] [2020-11-28 03:19:43,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:43,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:43,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494404801] [2020-11-28 03:19:43,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:43,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:19:43,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848752825] [2020-11-28 03:19:43,874 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:19:43,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:43,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:19:43,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:19:43,875 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 6 states. [2020-11-28 03:19:44,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:44,046 INFO L93 Difference]: Finished difference Result 103 states and 151 transitions. [2020-11-28 03:19:44,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:19:44,066 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-11-28 03:19:44,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:44,067 INFO L225 Difference]: With dead ends: 103 [2020-11-28 03:19:44,067 INFO L226 Difference]: Without dead ends: 55 [2020-11-28 03:19:44,067 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:19:44,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-28 03:19:44,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-28 03:19:44,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-28 03:19:44,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2020-11-28 03:19:44,074 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2020-11-28 03:19:44,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:44,074 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2020-11-28 03:19:44,074 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:19:44,074 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2020-11-28 03:19:44,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 03:19:44,076 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:44,076 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:44,076 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:19:44,076 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:44,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:44,077 INFO L82 PathProgramCache]: Analyzing trace with hash 597219871, now seen corresponding path program 1 times [2020-11-28 03:19:44,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:44,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366584886] [2020-11-28 03:19:44,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:44,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:44,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366584886] [2020-11-28 03:19:44,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:44,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:19:44,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907884991] [2020-11-28 03:19:44,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:44,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:44,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:44,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:44,211 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2020-11-28 03:19:44,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:44,275 INFO L93 Difference]: Finished difference Result 125 states and 181 transitions. [2020-11-28 03:19:44,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:44,276 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-28 03:19:44,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:44,277 INFO L225 Difference]: With dead ends: 125 [2020-11-28 03:19:44,277 INFO L226 Difference]: Without dead ends: 77 [2020-11-28 03:19:44,278 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:44,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-11-28 03:19:44,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2020-11-28 03:19:44,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-11-28 03:19:44,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2020-11-28 03:19:44,296 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 26 [2020-11-28 03:19:44,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:44,297 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2020-11-28 03:19:44,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:44,297 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2020-11-28 03:19:44,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 03:19:44,300 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:44,300 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:44,300 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:19:44,300 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:44,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:44,302 INFO L82 PathProgramCache]: Analyzing trace with hash -105705555, now seen corresponding path program 1 times [2020-11-28 03:19:44,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:44,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428247412] [2020-11-28 03:19:44,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:44,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:44,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428247412] [2020-11-28 03:19:44,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:44,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:19:44,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805271823] [2020-11-28 03:19:44,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:44,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:44,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:44,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:44,419 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 3 states. [2020-11-28 03:19:44,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:44,461 INFO L93 Difference]: Finished difference Result 194 states and 279 transitions. [2020-11-28 03:19:44,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:44,462 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-11-28 03:19:44,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:44,463 INFO L225 Difference]: With dead ends: 194 [2020-11-28 03:19:44,463 INFO L226 Difference]: Without dead ends: 126 [2020-11-28 03:19:44,464 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:44,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-11-28 03:19:44,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2020-11-28 03:19:44,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-11-28 03:19:44,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 175 transitions. [2020-11-28 03:19:44,477 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 175 transitions. Word has length 32 [2020-11-28 03:19:44,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:44,478 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 175 transitions. [2020-11-28 03:19:44,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:44,478 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2020-11-28 03:19:44,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 03:19:44,480 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:44,480 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:44,480 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:19:44,480 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:44,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:44,481 INFO L82 PathProgramCache]: Analyzing trace with hash 481100459, now seen corresponding path program 1 times [2020-11-28 03:19:44,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:44,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751222392] [2020-11-28 03:19:44,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:44,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:44,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751222392] [2020-11-28 03:19:44,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:44,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:19:44,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406977427] [2020-11-28 03:19:44,573 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:19:44,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:44,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:19:44,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:19:44,574 INFO L87 Difference]: Start difference. First operand 124 states and 175 transitions. Second operand 5 states. [2020-11-28 03:19:44,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:44,794 INFO L93 Difference]: Finished difference Result 622 states and 885 transitions. [2020-11-28 03:19:44,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 03:19:44,795 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-11-28 03:19:44,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:44,799 INFO L225 Difference]: With dead ends: 622 [2020-11-28 03:19:44,799 INFO L226 Difference]: Without dead ends: 505 [2020-11-28 03:19:44,800 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:19:44,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2020-11-28 03:19:44,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 227. [2020-11-28 03:19:44,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-11-28 03:19:44,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 314 transitions. [2020-11-28 03:19:44,848 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 314 transitions. Word has length 32 [2020-11-28 03:19:44,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:44,853 INFO L481 AbstractCegarLoop]: Abstraction has 227 states and 314 transitions. [2020-11-28 03:19:44,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:19:44,853 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 314 transitions. [2020-11-28 03:19:44,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 03:19:44,859 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:44,860 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:44,861 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:19:44,861 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:44,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:44,862 INFO L82 PathProgramCache]: Analyzing trace with hash 480943923, now seen corresponding path program 1 times [2020-11-28 03:19:44,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:44,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70734297] [2020-11-28 03:19:44,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:44,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:44,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:44,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70734297] [2020-11-28 03:19:44,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:44,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:19:44,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733982910] [2020-11-28 03:19:44,972 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:19:44,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:44,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:19:44,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:19:44,973 INFO L87 Difference]: Start difference. First operand 227 states and 314 transitions. Second operand 5 states. [2020-11-28 03:19:45,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:45,180 INFO L93 Difference]: Finished difference Result 865 states and 1197 transitions. [2020-11-28 03:19:45,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 03:19:45,181 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-11-28 03:19:45,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:45,185 INFO L225 Difference]: With dead ends: 865 [2020-11-28 03:19:45,185 INFO L226 Difference]: Without dead ends: 645 [2020-11-28 03:19:45,187 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:19:45,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2020-11-28 03:19:45,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 225. [2020-11-28 03:19:45,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-11-28 03:19:45,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 308 transitions. [2020-11-28 03:19:45,219 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 308 transitions. Word has length 33 [2020-11-28 03:19:45,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:45,220 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 308 transitions. [2020-11-28 03:19:45,220 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:19:45,220 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 308 transitions. [2020-11-28 03:19:45,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-28 03:19:45,224 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:45,224 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:45,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:19:45,225 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:45,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:45,225 INFO L82 PathProgramCache]: Analyzing trace with hash -1552355764, now seen corresponding path program 1 times [2020-11-28 03:19:45,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:45,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60378660] [2020-11-28 03:19:45,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:45,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:45,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:45,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60378660] [2020-11-28 03:19:45,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:45,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:19:45,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164073473] [2020-11-28 03:19:45,312 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:19:45,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:45,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:19:45,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:19:45,313 INFO L87 Difference]: Start difference. First operand 225 states and 308 transitions. Second operand 5 states. [2020-11-28 03:19:45,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:45,417 INFO L93 Difference]: Finished difference Result 609 states and 825 transitions. [2020-11-28 03:19:45,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:19:45,417 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-11-28 03:19:45,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:45,420 INFO L225 Difference]: With dead ends: 609 [2020-11-28 03:19:45,420 INFO L226 Difference]: Without dead ends: 391 [2020-11-28 03:19:45,421 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:19:45,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2020-11-28 03:19:45,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 243. [2020-11-28 03:19:45,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-11-28 03:19:45,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 326 transitions. [2020-11-28 03:19:45,442 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 326 transitions. Word has length 36 [2020-11-28 03:19:45,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:45,443 INFO L481 AbstractCegarLoop]: Abstraction has 243 states and 326 transitions. [2020-11-28 03:19:45,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:19:45,443 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 326 transitions. [2020-11-28 03:19:45,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-28 03:19:45,444 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:45,444 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:45,444 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 03:19:45,444 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:45,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:45,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1731494282, now seen corresponding path program 1 times [2020-11-28 03:19:45,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:45,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975553740] [2020-11-28 03:19:45,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:45,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:45,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975553740] [2020-11-28 03:19:45,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:45,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:19:45,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366444377] [2020-11-28 03:19:45,538 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:19:45,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:45,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:19:45,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:19:45,539 INFO L87 Difference]: Start difference. First operand 243 states and 326 transitions. Second operand 6 states. [2020-11-28 03:19:45,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:45,671 INFO L93 Difference]: Finished difference Result 550 states and 732 transitions. [2020-11-28 03:19:45,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:19:45,671 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2020-11-28 03:19:45,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:45,673 INFO L225 Difference]: With dead ends: 550 [2020-11-28 03:19:45,674 INFO L226 Difference]: Without dead ends: 314 [2020-11-28 03:19:45,675 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-11-28 03:19:45,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2020-11-28 03:19:45,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 204. [2020-11-28 03:19:45,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-11-28 03:19:45,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 267 transitions. [2020-11-28 03:19:45,698 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 267 transitions. Word has length 36 [2020-11-28 03:19:45,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:45,700 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 267 transitions. [2020-11-28 03:19:45,700 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:19:45,700 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 267 transitions. [2020-11-28 03:19:45,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 03:19:45,701 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:45,701 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:45,701 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 03:19:45,702 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:45,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:45,702 INFO L82 PathProgramCache]: Analyzing trace with hash -764052856, now seen corresponding path program 1 times [2020-11-28 03:19:45,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:45,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857431650] [2020-11-28 03:19:45,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:45,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:45,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857431650] [2020-11-28 03:19:45,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:45,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:19:45,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502685343] [2020-11-28 03:19:45,790 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:19:45,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:45,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:19:45,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:19:45,791 INFO L87 Difference]: Start difference. First operand 204 states and 267 transitions. Second operand 6 states. [2020-11-28 03:19:46,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:46,063 INFO L93 Difference]: Finished difference Result 615 states and 805 transitions. [2020-11-28 03:19:46,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-28 03:19:46,066 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2020-11-28 03:19:46,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:46,069 INFO L225 Difference]: With dead ends: 615 [2020-11-28 03:19:46,069 INFO L226 Difference]: Without dead ends: 418 [2020-11-28 03:19:46,070 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-11-28 03:19:46,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2020-11-28 03:19:46,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 204. [2020-11-28 03:19:46,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-11-28 03:19:46,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 262 transitions. [2020-11-28 03:19:46,109 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 262 transitions. Word has length 37 [2020-11-28 03:19:46,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:46,109 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 262 transitions. [2020-11-28 03:19:46,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:19:46,110 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 262 transitions. [2020-11-28 03:19:46,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 03:19:46,111 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:46,111 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:46,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 03:19:46,111 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:46,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:46,112 INFO L82 PathProgramCache]: Analyzing trace with hash 746215448, now seen corresponding path program 1 times [2020-11-28 03:19:46,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:46,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470324101] [2020-11-28 03:19:46,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:46,220 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 03:19:46,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470324101] [2020-11-28 03:19:46,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:46,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-28 03:19:46,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665470906] [2020-11-28 03:19:46,221 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 03:19:46,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:46,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 03:19:46,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:19:46,223 INFO L87 Difference]: Start difference. First operand 204 states and 262 transitions. Second operand 7 states. [2020-11-28 03:19:46,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:46,366 INFO L93 Difference]: Finished difference Result 516 states and 678 transitions. [2020-11-28 03:19:46,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 03:19:46,366 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2020-11-28 03:19:46,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:46,369 INFO L225 Difference]: With dead ends: 516 [2020-11-28 03:19:46,369 INFO L226 Difference]: Without dead ends: 369 [2020-11-28 03:19:46,370 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-11-28 03:19:46,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2020-11-28 03:19:46,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 210. [2020-11-28 03:19:46,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-11-28 03:19:46,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 268 transitions. [2020-11-28 03:19:46,394 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 268 transitions. Word has length 58 [2020-11-28 03:19:46,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:46,394 INFO L481 AbstractCegarLoop]: Abstraction has 210 states and 268 transitions. [2020-11-28 03:19:46,394 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 03:19:46,395 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 268 transitions. [2020-11-28 03:19:46,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 03:19:46,395 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:46,396 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:46,396 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-28 03:19:46,396 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:46,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:46,396 INFO L82 PathProgramCache]: Analyzing trace with hash 488050010, now seen corresponding path program 1 times [2020-11-28 03:19:46,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:46,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406676846] [2020-11-28 03:19:46,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:46,442 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:46,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406676846] [2020-11-28 03:19:46,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:46,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:19:46,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353702729] [2020-11-28 03:19:46,443 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:46,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:46,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:46,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:46,444 INFO L87 Difference]: Start difference. First operand 210 states and 268 transitions. Second operand 3 states. [2020-11-28 03:19:46,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:46,493 INFO L93 Difference]: Finished difference Result 331 states and 425 transitions. [2020-11-28 03:19:46,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:46,493 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-11-28 03:19:46,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:46,496 INFO L225 Difference]: With dead ends: 331 [2020-11-28 03:19:46,496 INFO L226 Difference]: Without dead ends: 329 [2020-11-28 03:19:46,496 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:46,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-11-28 03:19:46,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 236. [2020-11-28 03:19:46,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-11-28 03:19:46,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 307 transitions. [2020-11-28 03:19:46,534 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 307 transitions. Word has length 58 [2020-11-28 03:19:46,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:46,535 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 307 transitions. [2020-11-28 03:19:46,535 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:46,535 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 307 transitions. [2020-11-28 03:19:46,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-11-28 03:19:46,536 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:46,536 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:46,537 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-28 03:19:46,537 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:46,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:46,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1765608871, now seen corresponding path program 1 times [2020-11-28 03:19:46,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:46,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959660519] [2020-11-28 03:19:46,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:46,694 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 03:19:46,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959660519] [2020-11-28 03:19:46,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:46,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:19:46,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460316576] [2020-11-28 03:19:46,696 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:19:46,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:46,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:19:46,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:19:46,697 INFO L87 Difference]: Start difference. First operand 236 states and 307 transitions. Second operand 5 states. [2020-11-28 03:19:46,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:46,927 INFO L93 Difference]: Finished difference Result 589 states and 784 transitions. [2020-11-28 03:19:46,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:19:46,928 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-11-28 03:19:46,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:46,930 INFO L225 Difference]: With dead ends: 589 [2020-11-28 03:19:46,931 INFO L226 Difference]: Without dead ends: 410 [2020-11-28 03:19:46,931 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:19:46,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2020-11-28 03:19:46,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 269. [2020-11-28 03:19:46,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2020-11-28 03:19:46,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 350 transitions. [2020-11-28 03:19:46,962 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 350 transitions. Word has length 82 [2020-11-28 03:19:46,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:46,963 INFO L481 AbstractCegarLoop]: Abstraction has 269 states and 350 transitions. [2020-11-28 03:19:46,963 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:19:46,963 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 350 transitions. [2020-11-28 03:19:46,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-11-28 03:19:46,964 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:46,964 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:46,964 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-28 03:19:46,965 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:46,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:46,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1508290071, now seen corresponding path program 1 times [2020-11-28 03:19:46,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:46,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051136255] [2020-11-28 03:19:46,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:46,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:47,028 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:47,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051136255] [2020-11-28 03:19:47,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158460986] [2020-11-28 03:19:47,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d435491c-3440-40d8-8df7-eec8820a7b27/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:19:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:47,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 03:19:47,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:19:47,322 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:47,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-28 03:19:47,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-28 03:19:47,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722049827] [2020-11-28 03:19:47,325 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:19:47,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:47,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:19:47,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:19:47,327 INFO L87 Difference]: Start difference. First operand 269 states and 350 transitions. Second operand 4 states. [2020-11-28 03:19:47,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:47,548 INFO L93 Difference]: Finished difference Result 559 states and 728 transitions. [2020-11-28 03:19:47,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:19:47,549 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2020-11-28 03:19:47,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:47,551 INFO L225 Difference]: With dead ends: 559 [2020-11-28 03:19:47,551 INFO L226 Difference]: Without dead ends: 294 [2020-11-28 03:19:47,552 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:19:47,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-11-28 03:19:47,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 274. [2020-11-28 03:19:47,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-11-28 03:19:47,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 342 transitions. [2020-11-28 03:19:47,612 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 342 transitions. Word has length 82 [2020-11-28 03:19:47,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:47,612 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 342 transitions. [2020-11-28 03:19:47,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:19:47,612 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 342 transitions. [2020-11-28 03:19:47,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-11-28 03:19:47,619 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:47,619 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:47,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-11-28 03:19:47,834 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:47,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:47,834 INFO L82 PathProgramCache]: Analyzing trace with hash -468601353, now seen corresponding path program 2 times [2020-11-28 03:19:47,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:47,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219389289] [2020-11-28 03:19:47,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:47,984 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 03:19:47,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219389289] [2020-11-28 03:19:47,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:47,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:19:47,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996890906] [2020-11-28 03:19:47,985 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:19:47,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:47,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:19:47,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:19:47,986 INFO L87 Difference]: Start difference. First operand 274 states and 342 transitions. Second operand 6 states. [2020-11-28 03:19:48,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:48,203 INFO L93 Difference]: Finished difference Result 608 states and 761 transitions. [2020-11-28 03:19:48,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:19:48,203 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2020-11-28 03:19:48,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:48,204 INFO L225 Difference]: With dead ends: 608 [2020-11-28 03:19:48,204 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:19:48,205 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:19:48,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:19:48,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:19:48,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:19:48,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:19:48,206 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2020-11-28 03:19:48,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:48,206 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:19:48,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:19:48,206 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:19:48,206 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:19:48,206 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-28 03:19:48,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:19:48,438 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 139 [2020-11-28 03:19:48,701 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 137 [2020-11-28 03:19:48,922 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 114 [2020-11-28 03:19:49,145 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 125 [2020-11-28 03:19:49,308 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 129 [2020-11-28 03:19:49,674 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 164 [2020-11-28 03:19:49,943 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 160 [2020-11-28 03:19:50,232 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 176 [2020-11-28 03:19:50,771 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 39 [2020-11-28 03:19:50,908 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 25 [2020-11-28 03:19:51,599 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 39 [2020-11-28 03:19:51,791 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 24 [2020-11-28 03:19:52,245 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 31 [2020-11-28 03:19:52,418 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 26 [2020-11-28 03:19:52,869 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 35 [2020-11-28 03:19:52,990 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 32 [2020-11-28 03:19:53,487 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 38 [2020-11-28 03:19:53,662 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 28 [2020-11-28 03:19:54,247 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 30 [2020-11-28 03:19:54,822 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 40 [2020-11-28 03:19:55,399 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 31 [2020-11-28 03:19:55,425 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:19:55,425 INFO L270 CegarLoopResult]: At program point L300(lines 295 302) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-11-28 03:19:55,425 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:19:55,425 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 03:19:55,426 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 03:19:55,426 INFO L274 CegarLoopResult]: For program point L400(lines 400 417) no Hoare annotation was computed. [2020-11-28 03:19:55,426 INFO L274 CegarLoopResult]: For program point L400-1(lines 400 417) no Hoare annotation was computed. [2020-11-28 03:19:55,426 INFO L274 CegarLoopResult]: For program point L400-2(lines 400 417) no Hoare annotation was computed. [2020-11-28 03:19:55,426 INFO L270 CegarLoopResult]: At program point L203-2(lines 203 217) the Hoare annotation is: false [2020-11-28 03:19:55,426 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-11-28 03:19:55,426 INFO L274 CegarLoopResult]: For program point L171(lines 171 177) no Hoare annotation was computed. [2020-11-28 03:19:55,426 INFO L274 CegarLoopResult]: For program point L171-1(lines 171 177) no Hoare annotation was computed. [2020-11-28 03:19:55,426 INFO L274 CegarLoopResult]: For program point L171-2(lines 171 177) no Hoare annotation was computed. [2020-11-28 03:19:55,426 INFO L274 CegarLoopResult]: For program point L171-3(lines 171 177) no Hoare annotation was computed. [2020-11-28 03:19:55,426 INFO L274 CegarLoopResult]: For program point L171-4(lines 171 177) no Hoare annotation was computed. [2020-11-28 03:19:55,426 INFO L274 CegarLoopResult]: For program point L171-5(lines 171 177) no Hoare annotation was computed. [2020-11-28 03:19:55,427 INFO L274 CegarLoopResult]: For program point L106(lines 106 110) no Hoare annotation was computed. [2020-11-28 03:19:55,427 INFO L274 CegarLoopResult]: For program point L437(lines 437 443) no Hoare annotation was computed. [2020-11-28 03:19:55,427 INFO L274 CegarLoopResult]: For program point L404(lines 404 412) no Hoare annotation was computed. [2020-11-28 03:19:55,427 INFO L274 CegarLoopResult]: For program point L437-2(lines 437 443) no Hoare annotation was computed. [2020-11-28 03:19:55,427 INFO L274 CegarLoopResult]: For program point L404-1(lines 404 412) no Hoare annotation was computed. [2020-11-28 03:19:55,427 INFO L274 CegarLoopResult]: For program point L404-2(lines 404 412) no Hoare annotation was computed. [2020-11-28 03:19:55,427 INFO L274 CegarLoopResult]: For program point L437-4(lines 437 443) no Hoare annotation was computed. [2020-11-28 03:19:55,427 INFO L274 CegarLoopResult]: For program point L437-6(lines 437 443) no Hoare annotation was computed. [2020-11-28 03:19:55,427 INFO L274 CegarLoopResult]: For program point L437-8(lines 437 443) no Hoare annotation was computed. [2020-11-28 03:19:55,427 INFO L274 CegarLoopResult]: For program point L437-10(lines 437 443) no Hoare annotation was computed. [2020-11-28 03:19:55,427 INFO L274 CegarLoopResult]: For program point L570(lines 570 576) no Hoare annotation was computed. [2020-11-28 03:19:55,428 INFO L270 CegarLoopResult]: At program point L570-1(lines 570 576) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (<= 2 ~waterLevel~0) .cse3 .cse5 .cse6 .cse7) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (= ULTIMATE.start_main_~tmp~0 1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2020-11-28 03:19:55,428 INFO L270 CegarLoopResult]: At program point L471(lines 466 474) the Hoare annotation is: (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:19:55,428 INFO L270 CegarLoopResult]: At program point L471-1(lines 466 474) the Hoare annotation is: false [2020-11-28 03:19:55,428 INFO L270 CegarLoopResult]: At program point L471-2(lines 466 474) the Hoare annotation is: false [2020-11-28 03:19:55,428 INFO L274 CegarLoopResult]: For program point L207(lines 207 211) no Hoare annotation was computed. [2020-11-28 03:19:55,428 INFO L274 CegarLoopResult]: For program point L207-1(lines 342 348) no Hoare annotation was computed. [2020-11-28 03:19:55,428 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-11-28 03:19:55,428 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:19:55,428 INFO L274 CegarLoopResult]: For program point L539(lines 539 543) no Hoare annotation was computed. [2020-11-28 03:19:55,429 INFO L274 CegarLoopResult]: For program point L539-2(lines 539 543) no Hoare annotation was computed. [2020-11-28 03:19:55,429 INFO L274 CegarLoopResult]: For program point L539-3(lines 539 543) no Hoare annotation was computed. [2020-11-28 03:19:55,429 INFO L274 CegarLoopResult]: For program point L374(lines 374 391) no Hoare annotation was computed. [2020-11-28 03:19:55,429 INFO L274 CegarLoopResult]: For program point L539-5(lines 539 543) no Hoare annotation was computed. [2020-11-28 03:19:55,429 INFO L274 CegarLoopResult]: For program point L374-1(lines 374 391) no Hoare annotation was computed. [2020-11-28 03:19:55,429 INFO L274 CegarLoopResult]: For program point L539-6(lines 539 543) no Hoare annotation was computed. [2020-11-28 03:19:55,429 INFO L274 CegarLoopResult]: For program point L374-2(lines 374 391) no Hoare annotation was computed. [2020-11-28 03:19:55,429 INFO L274 CegarLoopResult]: For program point L374-3(lines 374 391) no Hoare annotation was computed. [2020-11-28 03:19:55,429 INFO L274 CegarLoopResult]: For program point L539-8(lines 539 543) no Hoare annotation was computed. [2020-11-28 03:19:55,429 INFO L274 CegarLoopResult]: For program point L374-4(lines 374 391) no Hoare annotation was computed. [2020-11-28 03:19:55,429 INFO L274 CegarLoopResult]: For program point L374-5(lines 374 391) no Hoare annotation was computed. [2020-11-28 03:19:55,429 INFO L270 CegarLoopResult]: At program point L176(lines 167 180) the Hoare annotation is: false [2020-11-28 03:19:55,430 INFO L270 CegarLoopResult]: At program point L176-1(lines 167 180) the Hoare annotation is: (let ((.cse8 (= ~methaneLevelCritical~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse7 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (<= 1 ~waterLevel~0)) (.cse5 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse8 .cse3 .cse4 .cse9 .cse5 .cse6) (and .cse1 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse3 .cse4 .cse9 .cse5 .cse6))) [2020-11-28 03:19:55,430 INFO L270 CegarLoopResult]: At program point L176-2(lines 167 180) the Hoare annotation is: false [2020-11-28 03:19:55,430 INFO L270 CegarLoopResult]: At program point L176-3(lines 167 180) the Hoare annotation is: false [2020-11-28 03:19:55,430 INFO L270 CegarLoopResult]: At program point L176-4(lines 167 180) the Hoare annotation is: false [2020-11-28 03:19:55,430 INFO L270 CegarLoopResult]: At program point L176-5(lines 167 180) the Hoare annotation is: false [2020-11-28 03:19:55,430 INFO L270 CegarLoopResult]: At program point L606(lines 559 607) the Hoare annotation is: false [2020-11-28 03:19:55,430 INFO L270 CegarLoopResult]: At program point L342(lines 341 360) the Hoare annotation is: (let ((.cse5 (= ~methaneLevelCritical~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse1 .cse3 .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse5 .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4))) [2020-11-28 03:19:55,430 INFO L274 CegarLoopResult]: For program point L342-1(lines 342 348) no Hoare annotation was computed. [2020-11-28 03:19:55,431 INFO L270 CegarLoopResult]: At program point L342-2(lines 341 360) the Hoare annotation is: false [2020-11-28 03:19:55,431 INFO L270 CegarLoopResult]: At program point L342-3(lines 341 360) the Hoare annotation is: false [2020-11-28 03:19:55,431 INFO L274 CegarLoopResult]: For program point L311(lines 311 328) no Hoare annotation was computed. [2020-11-28 03:19:55,431 INFO L274 CegarLoopResult]: For program point L278(lines 278 285) no Hoare annotation was computed. [2020-11-28 03:19:55,431 INFO L270 CegarLoopResult]: At program point L311-1(lines 1 988) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= ~methAndRunningLastTime~0 0))) (or (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse6 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (= ULTIMATE.start_main_~tmp~0 1) .cse6 .cse2 (<= 1 ~waterLevel~0) .cse3 .cse4 .cse5))) [2020-11-28 03:19:55,431 INFO L274 CegarLoopResult]: For program point L311-2(lines 311 328) no Hoare annotation was computed. [2020-11-28 03:19:55,431 INFO L277 CegarLoopResult]: At program point L278-1(lines 278 285) the Hoare annotation is: true [2020-11-28 03:19:55,431 INFO L270 CegarLoopResult]: At program point L311-3(lines 1 988) the Hoare annotation is: false [2020-11-28 03:19:55,431 INFO L274 CegarLoopResult]: For program point L311-4(lines 311 328) no Hoare annotation was computed. [2020-11-28 03:19:55,432 INFO L270 CegarLoopResult]: At program point L311-5(lines 1 988) the Hoare annotation is: false [2020-11-28 03:19:55,432 INFO L274 CegarLoopResult]: For program point L378(lines 378 386) no Hoare annotation was computed. [2020-11-28 03:19:55,432 INFO L274 CegarLoopResult]: For program point L378-1(lines 378 386) no Hoare annotation was computed. [2020-11-28 03:19:55,432 INFO L274 CegarLoopResult]: For program point L378-2(lines 378 386) no Hoare annotation was computed. [2020-11-28 03:19:55,432 INFO L274 CegarLoopResult]: For program point L378-3(lines 378 386) no Hoare annotation was computed. [2020-11-28 03:19:55,432 INFO L274 CegarLoopResult]: For program point L378-4(lines 378 386) no Hoare annotation was computed. [2020-11-28 03:19:55,432 INFO L274 CegarLoopResult]: For program point L378-5(lines 378 386) no Hoare annotation was computed. [2020-11-28 03:19:55,432 INFO L270 CegarLoopResult]: At program point L545(lines 530 548) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 0))) (.cse1 (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0))) (.cse2 (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse7 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse8 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 0) .cse4 .cse5 .cse6 .cse7 .cse8))) [2020-11-28 03:19:55,432 INFO L270 CegarLoopResult]: At program point L545-1(lines 530 548) the Hoare annotation is: false [2020-11-28 03:19:55,432 INFO L270 CegarLoopResult]: At program point L545-2(lines 530 548) the Hoare annotation is: false [2020-11-28 03:19:55,432 INFO L274 CegarLoopResult]: For program point L315(lines 315 325) no Hoare annotation was computed. [2020-11-28 03:19:55,433 INFO L274 CegarLoopResult]: For program point L315-2(lines 315 325) no Hoare annotation was computed. [2020-11-28 03:19:55,433 INFO L274 CegarLoopResult]: For program point L315-4(lines 315 325) no Hoare annotation was computed. [2020-11-28 03:19:55,433 INFO L274 CegarLoopResult]: For program point L580(lines 580 586) no Hoare annotation was computed. [2020-11-28 03:19:55,433 INFO L270 CegarLoopResult]: At program point L580-1(lines 580 586) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= ULTIMATE.start_main_~tmp~0 1) .cse1 .cse6 .cse7 .cse3 .cse4 .cse5 .cse8) (and .cse9 .cse0 .cse2 .cse3 .cse4 .cse5 .cse8) (and .cse9 .cse0 .cse6 .cse3 .cse7 .cse4 .cse5 .cse8))) [2020-11-28 03:19:55,433 INFO L270 CegarLoopResult]: At program point L349(lines 349 355) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse2 .cse6 .cse3 .cse4) (and (= ~methaneLevelCritical~0 1) .cse0 .cse5 .cse2 .cse6 .cse3 .cse4))) [2020-11-28 03:19:55,433 INFO L274 CegarLoopResult]: For program point L316(lines 316 322) no Hoare annotation was computed. [2020-11-28 03:19:55,433 INFO L270 CegarLoopResult]: At program point L349-1(lines 349 355) the Hoare annotation is: false [2020-11-28 03:19:55,433 INFO L270 CegarLoopResult]: At program point L349-2(lines 349 355) the Hoare annotation is: false [2020-11-28 03:19:55,434 INFO L274 CegarLoopResult]: For program point L316-2(lines 316 322) no Hoare annotation was computed. [2020-11-28 03:19:55,434 INFO L274 CegarLoopResult]: For program point L316-4(lines 316 322) no Hoare annotation was computed. [2020-11-28 03:19:55,434 INFO L274 CegarLoopResult]: For program point L118(lines 118 122) no Hoare annotation was computed. [2020-11-28 03:19:55,434 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:19:55,434 INFO L270 CegarLoopResult]: At program point L252(lines 248 254) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-11-28 03:19:55,434 INFO L270 CegarLoopResult]: At program point L186(lines 181 189) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~methAndRunningLastTime~0 0)))) [2020-11-28 03:19:55,434 INFO L270 CegarLoopResult]: At program point L186-1(lines 181 189) the Hoare annotation is: false [2020-11-28 03:19:55,434 INFO L270 CegarLoopResult]: At program point L186-2(lines 181 189) the Hoare annotation is: false [2020-11-28 03:19:55,434 INFO L277 CegarLoopResult]: At program point L287(lines 268 290) the Hoare annotation is: true [2020-11-28 03:19:55,434 INFO L274 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2020-11-28 03:19:55,435 INFO L274 CegarLoopResult]: For program point L520-2(lines 520 524) no Hoare annotation was computed. [2020-11-28 03:19:55,435 INFO L274 CegarLoopResult]: For program point L520-3(lines 520 524) no Hoare annotation was computed. [2020-11-28 03:19:55,435 INFO L274 CegarLoopResult]: For program point L520-5(lines 520 524) no Hoare annotation was computed. [2020-11-28 03:19:55,435 INFO L274 CegarLoopResult]: For program point L520-6(lines 520 524) no Hoare annotation was computed. [2020-11-28 03:19:55,435 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:19:55,435 INFO L274 CegarLoopResult]: For program point L520-8(lines 520 524) no Hoare annotation was computed. [2020-11-28 03:19:55,435 INFO L274 CegarLoopResult]: For program point L520-9(lines 520 524) no Hoare annotation was computed. [2020-11-28 03:19:55,435 INFO L274 CegarLoopResult]: For program point L520-11(lines 520 524) no Hoare annotation was computed. [2020-11-28 03:19:55,435 INFO L274 CegarLoopResult]: For program point L520-12(lines 520 524) no Hoare annotation was computed. [2020-11-28 03:19:55,435 INFO L274 CegarLoopResult]: For program point L520-14(lines 520 524) no Hoare annotation was computed. [2020-11-28 03:19:55,435 INFO L274 CegarLoopResult]: For program point L520-15(lines 520 524) no Hoare annotation was computed. [2020-11-28 03:19:55,435 INFO L274 CegarLoopResult]: For program point L520-17(lines 520 524) no Hoare annotation was computed. [2020-11-28 03:19:55,436 INFO L274 CegarLoopResult]: For program point L985(line 985) no Hoare annotation was computed. [2020-11-28 03:19:55,436 INFO L274 CegarLoopResult]: For program point L985-1(line 985) no Hoare annotation was computed. [2020-11-28 03:19:55,436 INFO L274 CegarLoopResult]: For program point L985-2(line 985) no Hoare annotation was computed. [2020-11-28 03:19:55,436 INFO L274 CegarLoopResult]: For program point L94(lines 94 98) no Hoare annotation was computed. [2020-11-28 03:19:55,436 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:19:55,436 INFO L274 CegarLoopResult]: For program point L94-3(lines 94 98) no Hoare annotation was computed. [2020-11-28 03:19:55,436 INFO L274 CegarLoopResult]: For program point L94-6(lines 94 98) no Hoare annotation was computed. [2020-11-28 03:19:55,436 INFO L274 CegarLoopResult]: For program point L590(lines 590 601) no Hoare annotation was computed. [2020-11-28 03:19:55,436 INFO L270 CegarLoopResult]: At program point L526(lines 511 529) the Hoare annotation is: false [2020-11-28 03:19:55,436 INFO L270 CegarLoopResult]: At program point L526-1(lines 511 529) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse11 (<= 2 ~waterLevel~0)) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse1 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0))) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse8 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse9 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse2 .cse11 .cse5 .cse6 .cse8 .cse9) (and .cse2 .cse3 .cse11 .cse5 .cse6 .cse8 .cse9) (and .cse10 .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9))) [2020-11-28 03:19:55,436 INFO L270 CegarLoopResult]: At program point L526-2(lines 511 529) the Hoare annotation is: false [2020-11-28 03:19:55,437 INFO L270 CegarLoopResult]: At program point L526-3(lines 511 529) the Hoare annotation is: false [2020-11-28 03:19:55,437 INFO L270 CegarLoopResult]: At program point L526-4(lines 511 529) the Hoare annotation is: false [2020-11-28 03:19:55,437 INFO L270 CegarLoopResult]: At program point L526-5(lines 511 529) the Hoare annotation is: false [2020-11-28 03:19:55,437 INFO L270 CegarLoopResult]: At program point L131(lines 126 134) the Hoare annotation is: false [2020-11-28 03:19:55,439 INFO L270 CegarLoopResult]: At program point L131-1(lines 126 134) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-11-28 03:19:55,440 INFO L270 CegarLoopResult]: At program point L131-2(lines 126 134) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse4 .cse6 .cse7) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse3 .cse4 .cse5 .cse6 .cse7))) [2020-11-28 03:19:55,440 INFO L270 CegarLoopResult]: At program point L131-3(lines 126 134) the Hoare annotation is: false [2020-11-28 03:19:55,440 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:19:55,440 INFO L270 CegarLoopResult]: At program point L131-4(lines 126 134) the Hoare annotation is: false [2020-11-28 03:19:55,440 INFO L270 CegarLoopResult]: At program point L131-5(lines 126 134) the Hoare annotation is: false [2020-11-28 03:19:55,440 INFO L270 CegarLoopResult]: At program point L131-6(lines 126 134) the Hoare annotation is: false [2020-11-28 03:19:55,441 INFO L270 CegarLoopResult]: At program point L131-7(lines 126 134) the Hoare annotation is: false [2020-11-28 03:19:55,441 INFO L270 CegarLoopResult]: At program point L131-8(lines 126 134) the Hoare annotation is: false [2020-11-28 03:19:55,441 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:19:55,441 INFO L274 CegarLoopResult]: For program point L561(lines 560 605) no Hoare annotation was computed. [2020-11-28 03:19:55,441 INFO L270 CegarLoopResult]: At program point L462(lines 455 465) the Hoare annotation is: false [2020-11-28 03:19:55,441 INFO L270 CegarLoopResult]: At program point L462-1(lines 455 465) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-11-28 03:19:55,442 INFO L270 CegarLoopResult]: At program point L462-2(lines 455 465) the Hoare annotation is: false [2020-11-28 03:19:55,442 INFO L270 CegarLoopResult]: At program point L462-3(lines 455 465) the Hoare annotation is: false [2020-11-28 03:19:55,442 INFO L270 CegarLoopResult]: At program point L462-4(lines 455 465) the Hoare annotation is: false [2020-11-28 03:19:55,442 INFO L270 CegarLoopResult]: At program point L462-5(lines 455 465) the Hoare annotation is: false [2020-11-28 03:19:55,442 INFO L274 CegarLoopResult]: For program point L562(lines 562 566) no Hoare annotation was computed. [2020-11-28 03:19:55,442 INFO L270 CegarLoopResult]: At program point L67(lines 1 988) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-28 03:19:55,442 INFO L274 CegarLoopResult]: For program point L596(lines 596 600) no Hoare annotation was computed. [2020-11-28 03:19:55,442 INFO L274 CegarLoopResult]: For program point L596-2(lines 342 348) no Hoare annotation was computed. [2020-11-28 03:19:55,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:19:55 BoogieIcfgContainer [2020-11-28 03:19:55,496 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:19:55,497 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:19:55,497 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:19:55,497 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:19:55,498 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:42" (3/4) ... [2020-11-28 03:19:55,511 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:19:55,530 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 03:19:55,531 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 03:19:55,533 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 03:19:55,534 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 03:19:55,539 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 03:19:55,541 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:19:55,543 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:19:55,572 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-11-28 03:19:55,572 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0 [2020-11-28 03:19:55,572 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0 [2020-11-28 03:19:55,573 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) || (((((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) [2020-11-28 03:19:55,574 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) || ((((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) [2020-11-28 03:19:55,575 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || (((((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || (((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) [2020-11-28 03:19:55,577 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && 1 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) [2020-11-28 03:19:55,577 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) [2020-11-28 03:19:55,579 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) [2020-11-28 03:19:55,580 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || (((((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) [2020-11-28 03:19:55,584 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || (((((((!(\result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || (((((((!(\result == 0) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) [2020-11-28 03:19:55,584 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1 [2020-11-28 03:19:55,587 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((methaneLevelCritical == 1 && !(tmp___0 == 0)) && !(\result == 0)) && tmp == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || (((((((((!(tmp___0 == 0) && !(\result == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) [2020-11-28 03:19:55,588 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((tmp___0 == 0 && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || (((((((((methaneLevelCritical == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) [2020-11-28 03:19:55,591 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) [2020-11-28 03:19:55,592 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || ((((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) [2020-11-28 03:19:55,666 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d435491c-3440-40d8-8df7-eec8820a7b27/bin/uautomizer/witness.graphml [2020-11-28 03:19:55,666 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:19:55,667 INFO L168 Benchmark]: Toolchain (without parser) took 14740.96 ms. Allocated memory was 123.7 MB in the beginning and 268.4 MB in the end (delta: 144.7 MB). Free memory was 93.9 MB in the beginning and 203.3 MB in the end (delta: -109.4 MB). Peak memory consumption was 34.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:55,667 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 90.2 MB. Free memory was 47.6 MB in the beginning and 47.5 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:19:55,668 INFO L168 Benchmark]: CACSL2BoogieTranslator took 594.09 ms. Allocated memory is still 123.7 MB. Free memory was 93.9 MB in the beginning and 88.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:55,668 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.57 ms. Allocated memory is still 123.7 MB. Free memory was 88.6 MB in the beginning and 84.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:55,669 INFO L168 Benchmark]: Boogie Preprocessor took 84.64 ms. Allocated memory is still 123.7 MB. Free memory was 84.4 MB in the beginning and 81.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:55,669 INFO L168 Benchmark]: RCFGBuilder took 1255.43 ms. Allocated memory is still 123.7 MB. Free memory was 81.4 MB in the beginning and 58.2 MB in the end (delta: 23.2 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:55,669 INFO L168 Benchmark]: TraceAbstraction took 12495.28 ms. Allocated memory was 123.7 MB in the beginning and 268.4 MB in the end (delta: 144.7 MB). Free memory was 58.2 MB in the beginning and 215.9 MB in the end (delta: -157.7 MB). Peak memory consumption was 118.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:55,670 INFO L168 Benchmark]: Witness Printer took 169.38 ms. Allocated memory is still 268.4 MB. Free memory was 215.9 MB in the beginning and 203.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:55,672 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 90.2 MB. Free memory was 47.6 MB in the beginning and 47.5 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 594.09 ms. Allocated memory is still 123.7 MB. Free memory was 93.9 MB in the beginning and 88.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 119.57 ms. Allocated memory is still 123.7 MB. Free memory was 88.6 MB in the beginning and 84.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 84.64 ms. Allocated memory is still 123.7 MB. Free memory was 84.4 MB in the beginning and 81.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1255.43 ms. Allocated memory is still 123.7 MB. Free memory was 81.4 MB in the beginning and 58.2 MB in the end (delta: 23.2 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12495.28 ms. Allocated memory was 123.7 MB in the beginning and 268.4 MB in the end (delta: 144.7 MB). Free memory was 58.2 MB in the beginning and 215.9 MB in the end (delta: -157.7 MB). Peak memory consumption was 118.9 MB. Max. memory is 16.1 GB. * Witness Printer took 169.38 ms. Allocated memory is still 268.4 MB. Free memory was 215.9 MB in the beginning and 203.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) || ((((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || (((((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: (((((((((((tmp___0 == 0 && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || (((((((((methaneLevelCritical == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || (((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || (((((((!(\result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1)) || (((((((!(\result == 0) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (((((((((methaneLevelCritical == 1 && !(tmp___0 == 0)) && !(\result == 0)) && tmp == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || (((((((((!(tmp___0 == 0) && !(\result == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) || (((((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || ((((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) || (((((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || (((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && 1 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && \result == 1) && methAndRunningLastTime == 0)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 142 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.1s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1686 SDtfs, 2461 SDslu, 2572 SDs, 0 SdLazy, 362 SolverSat, 75 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 193 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=274occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 1587 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 174 NumberOfFragments, 1028 HoareAnnotationTreeSize, 55 FomulaSimplifications, 3678299 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 55 FomulaSimplificationsInter, 952125 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 738 NumberOfCodeBlocks, 738 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 722 ConstructedInterpolants, 0 QuantifiedInterpolants, 76731 SizeOfPredicates, 1 NumberOfNonLiveVariables, 514 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 211/237 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...