./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product37.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_f7022780-f975-4c56-9eda-1d6f5a82950f/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f7022780-f975-4c56-9eda-1d6f5a82950f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f7022780-f975-4c56-9eda-1d6f5a82950f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f7022780-f975-4c56-9eda-1d6f5a82950f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f7022780-f975-4c56-9eda-1d6f5a82950f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f7022780-f975-4c56-9eda-1d6f5a82950f/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 288d25dbf636d510765b70dd57b8dfe428e9c588 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:24:50,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:24:50,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:24:50,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:24:50,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:24:50,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:24:50,736 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:24:50,739 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:24:50,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:24:50,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:24:50,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:24:50,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:24:50,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:24:50,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:24:50,763 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:24:50,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:24:50,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:24:50,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:24:50,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:24:50,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:24:50,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:24:50,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:24:50,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:24:50,788 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:24:50,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:24:50,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:24:50,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:24:50,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:24:50,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:24:50,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:24:50,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:24:50,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:24:50,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:24:50,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:24:50,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:24:50,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:24:50,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:24:50,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:24:50,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:24:50,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:24:50,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:24:50,806 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f7022780-f975-4c56-9eda-1d6f5a82950f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 20:24:50,849 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:24:50,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:24:50,855 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:24:50,855 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:24:50,856 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 20:24:50,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:24:50,856 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:24:50,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:24:50,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:24:50,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:24:50,858 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:24:50,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:24:50,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:24:50,859 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:24:50,859 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:24:50,859 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:24:50,859 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:24:50,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:24:50,860 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 20:24:50,860 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:24:50,860 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 20:24:50,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 20:24:50,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:24:50,861 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:24:50,861 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:24:50,862 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 20:24:50,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:24:50,862 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:24:50,862 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 20:24:50,863 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_f7022780-f975-4c56-9eda-1d6f5a82950f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f7022780-f975-4c56-9eda-1d6f5a82950f/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 288d25dbf636d510765b70dd57b8dfe428e9c588 [2020-11-29 20:24:51,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:24:51,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:24:51,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:24:51,177 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:24:51,179 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:24:51,180 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f7022780-f975-4c56-9eda-1d6f5a82950f/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2020-11-29 20:24:51,270 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f7022780-f975-4c56-9eda-1d6f5a82950f/bin/uautomizer/data/5d9f7b6d5/26a59e4ae18e4b4bbc7dd3642e232a5b/FLAGcd4e6320f [2020-11-29 20:24:51,929 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:24:51,930 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f7022780-f975-4c56-9eda-1d6f5a82950f/sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2020-11-29 20:24:51,956 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f7022780-f975-4c56-9eda-1d6f5a82950f/bin/uautomizer/data/5d9f7b6d5/26a59e4ae18e4b4bbc7dd3642e232a5b/FLAGcd4e6320f [2020-11-29 20:24:52,259 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f7022780-f975-4c56-9eda-1d6f5a82950f/bin/uautomizer/data/5d9f7b6d5/26a59e4ae18e4b4bbc7dd3642e232a5b [2020-11-29 20:24:52,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:24:52,263 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:24:52,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:24:52,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:24:52,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:24:52,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:24:52" (1/1) ... [2020-11-29 20:24:52,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b4d0796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:24:52, skipping insertion in model container [2020-11-29 20:24:52,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:24:52" (1/1) ... [2020-11-29 20:24:52,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:24:52,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:24:52,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:24:52,733 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:24:52,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:24:52,858 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:24:52,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:24:52 WrapperNode [2020-11-29 20:24:52,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:24:52,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:24:52,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:24:52,860 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:24:52,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:24:52" (1/1) ... [2020-11-29 20:24:52,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:24:52" (1/1) ... [2020-11-29 20:24:52,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:24:52,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:24:52,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:24:52,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:24:52,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:24:52" (1/1) ... [2020-11-29 20:24:52,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:24:52" (1/1) ... [2020-11-29 20:24:52,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:24:52" (1/1) ... [2020-11-29 20:24:52,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:24:52" (1/1) ... [2020-11-29 20:24:52,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:24:52" (1/1) ... [2020-11-29 20:24:53,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:24:52" (1/1) ... [2020-11-29 20:24:53,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:24:52" (1/1) ... [2020-11-29 20:24:53,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:24:53,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:24:53,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:24:53,019 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:24:53,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:24:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f7022780-f975-4c56-9eda-1d6f5a82950f/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 [2020-11-29 20:24:53,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:24:53,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:24:53,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:24:53,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:24:54,197 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:24:54,197 INFO L298 CfgBuilder]: Removed 168 assume(true) statements. [2020-11-29 20:24:54,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:24:54 BoogieIcfgContainer [2020-11-29 20:24:54,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:24:54,201 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 20:24:54,202 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 20:24:54,205 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 20:24:54,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 08:24:52" (1/3) ... [2020-11-29 20:24:54,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@190734d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:24:54, skipping insertion in model container [2020-11-29 20:24:54,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:24:52" (2/3) ... [2020-11-29 20:24:54,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@190734d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:24:54, skipping insertion in model container [2020-11-29 20:24:54,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:24:54" (3/3) ... [2020-11-29 20:24:54,209 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product37.cil.c [2020-11-29 20:24:54,221 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 20:24:54,227 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-29 20:24:54,242 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-29 20:24:54,287 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 20:24:54,287 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 20:24:54,288 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 20:24:54,288 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 20:24:54,288 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 20:24:54,289 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 20:24:54,289 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 20:24:54,289 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 20:24:54,319 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2020-11-29 20:24:54,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 20:24:54,328 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:24:54,328 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:24:54,330 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:24:54,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:24:54,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1752957569, now seen corresponding path program 1 times [2020-11-29 20:24:54,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:24:54,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623000569] [2020-11-29 20:24:54,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:24:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:24:54,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:24:54,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623000569] [2020-11-29 20:24:54,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:24:54,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 20:24:54,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878690089] [2020-11-29 20:24:54,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 20:24:54,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:24:54,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 20:24:54,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 20:24:54,718 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2020-11-29 20:24:54,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:24:54,781 INFO L93 Difference]: Finished difference Result 231 states and 350 transitions. [2020-11-29 20:24:54,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 20:24:54,782 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-29 20:24:54,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:24:54,798 INFO L225 Difference]: With dead ends: 231 [2020-11-29 20:24:54,798 INFO L226 Difference]: Without dead ends: 113 [2020-11-29 20:24:54,809 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 [2020-11-29 20:24:54,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-11-29 20:24:54,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2020-11-29 20:24:54,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-11-29 20:24:54,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2020-11-29 20:24:54,879 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 18 [2020-11-29 20:24:54,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:24:54,880 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2020-11-29 20:24:54,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 20:24:54,881 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2020-11-29 20:24:54,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 20:24:54,885 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:24:54,885 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:24:54,885 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 20:24:54,886 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:24:54,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:24:54,889 INFO L82 PathProgramCache]: Analyzing trace with hash 841926816, now seen corresponding path program 1 times [2020-11-29 20:24:54,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:24:54,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811668008] [2020-11-29 20:24:54,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:24:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:24:55,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:24:55,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811668008] [2020-11-29 20:24:55,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:24:55,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:24:55,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503233049] [2020-11-29 20:24:55,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:24:55,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:24:55,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:24:55,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:24:55,026 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 3 states. [2020-11-29 20:24:55,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:24:55,040 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2020-11-29 20:24:55,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:24:55,044 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-29 20:24:55,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:24:55,045 INFO L225 Difference]: With dead ends: 113 [2020-11-29 20:24:55,045 INFO L226 Difference]: Without dead ends: 47 [2020-11-29 20:24:55,046 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 [2020-11-29 20:24:55,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-11-29 20:24:55,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-11-29 20:24:55,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-11-29 20:24:55,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2020-11-29 20:24:55,053 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2020-11-29 20:24:55,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:24:55,054 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2020-11-29 20:24:55,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:24:55,055 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2020-11-29 20:24:55,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 20:24:55,056 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:24:55,056 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] [2020-11-29 20:24:55,057 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 20:24:55,058 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:24:55,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:24:55,058 INFO L82 PathProgramCache]: Analyzing trace with hash -524110554, now seen corresponding path program 1 times [2020-11-29 20:24:55,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:24:55,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102439454] [2020-11-29 20:24:55,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:24:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:24:55,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:24:55,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102439454] [2020-11-29 20:24:55,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:24:55,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 20:24:55,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510815194] [2020-11-29 20:24:55,192 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:24:55,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:24:55,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:24:55,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:24:55,194 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 3 states. [2020-11-29 20:24:55,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:24:55,204 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2020-11-29 20:24:55,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:24:55,205 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-29 20:24:55,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:24:55,206 INFO L225 Difference]: With dead ends: 88 [2020-11-29 20:24:55,206 INFO L226 Difference]: Without dead ends: 47 [2020-11-29 20:24:55,206 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 [2020-11-29 20:24:55,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-11-29 20:24:55,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-11-29 20:24:55,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-11-29 20:24:55,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2020-11-29 20:24:55,212 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2020-11-29 20:24:55,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:24:55,212 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2020-11-29 20:24:55,212 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:24:55,214 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2020-11-29 20:24:55,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 20:24:55,215 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:24:55,216 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] [2020-11-29 20:24:55,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 20:24:55,216 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:24:55,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:24:55,217 INFO L82 PathProgramCache]: Analyzing trace with hash -339602961, now seen corresponding path program 1 times [2020-11-29 20:24:55,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:24:55,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409011374] [2020-11-29 20:24:55,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:24:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:24:55,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:24:55,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409011374] [2020-11-29 20:24:55,331 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:24:55,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 20:24:55,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940635415] [2020-11-29 20:24:55,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:24:55,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:24:55,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:24:55,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:24:55,333 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2020-11-29 20:24:55,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:24:55,400 INFO L93 Difference]: Finished difference Result 111 states and 161 transitions. [2020-11-29 20:24:55,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:24:55,402 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-29 20:24:55,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:24:55,403 INFO L225 Difference]: With dead ends: 111 [2020-11-29 20:24:55,403 INFO L226 Difference]: Without dead ends: 70 [2020-11-29 20:24:55,404 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 [2020-11-29 20:24:55,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-11-29 20:24:55,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2020-11-29 20:24:55,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-11-29 20:24:55,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 96 transitions. [2020-11-29 20:24:55,417 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 96 transitions. Word has length 26 [2020-11-29 20:24:55,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:24:55,417 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 96 transitions. [2020-11-29 20:24:55,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:24:55,417 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2020-11-29 20:24:55,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 20:24:55,419 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:24:55,419 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] [2020-11-29 20:24:55,419 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 20:24:55,419 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:24:55,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:24:55,420 INFO L82 PathProgramCache]: Analyzing trace with hash 659000928, now seen corresponding path program 1 times [2020-11-29 20:24:55,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:24:55,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012063506] [2020-11-29 20:24:55,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:24:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:24:55,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:24:55,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012063506] [2020-11-29 20:24:55,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:24:55,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 20:24:55,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154492917] [2020-11-29 20:24:55,525 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 20:24:55,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:24:55,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 20:24:55,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:24:55,526 INFO L87 Difference]: Start difference. First operand 68 states and 96 transitions. Second operand 5 states. [2020-11-29 20:24:55,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:24:55,638 INFO L93 Difference]: Finished difference Result 183 states and 257 transitions. [2020-11-29 20:24:55,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 20:24:55,639 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-11-29 20:24:55,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:24:55,640 INFO L225 Difference]: With dead ends: 183 [2020-11-29 20:24:55,640 INFO L226 Difference]: Without dead ends: 121 [2020-11-29 20:24:55,641 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 [2020-11-29 20:24:55,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-11-29 20:24:55,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 74. [2020-11-29 20:24:55,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-11-29 20:24:55,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2020-11-29 20:24:55,651 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 32 [2020-11-29 20:24:55,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:24:55,651 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2020-11-29 20:24:55,651 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 20:24:55,651 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2020-11-29 20:24:55,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 20:24:55,653 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:24:55,653 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] [2020-11-29 20:24:55,653 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 20:24:55,653 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:24:55,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:24:55,656 INFO L82 PathProgramCache]: Analyzing trace with hash -468395165, now seen corresponding path program 1 times [2020-11-29 20:24:55,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:24:55,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191309983] [2020-11-29 20:24:55,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:24:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:24:55,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:24:55,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191309983] [2020-11-29 20:24:55,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:24:55,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 20:24:55,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731182279] [2020-11-29 20:24:55,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 20:24:55,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:24:55,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 20:24:55,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:24:55,743 INFO L87 Difference]: Start difference. First operand 74 states and 102 transitions. Second operand 5 states. [2020-11-29 20:24:55,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:24:55,914 INFO L93 Difference]: Finished difference Result 373 states and 530 transitions. [2020-11-29 20:24:55,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 20:24:55,915 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-11-29 20:24:55,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:24:55,917 INFO L225 Difference]: With dead ends: 373 [2020-11-29 20:24:55,917 INFO L226 Difference]: Without dead ends: 305 [2020-11-29 20:24:55,919 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-29 20:24:55,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-11-29 20:24:55,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 121. [2020-11-29 20:24:55,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-11-29 20:24:55,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 164 transitions. [2020-11-29 20:24:55,953 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 164 transitions. Word has length 32 [2020-11-29 20:24:55,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:24:55,956 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 164 transitions. [2020-11-29 20:24:55,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 20:24:55,957 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 164 transitions. [2020-11-29 20:24:55,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 20:24:55,964 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:24:55,964 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] [2020-11-29 20:24:55,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 20:24:55,965 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:24:55,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:24:55,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1539441695, now seen corresponding path program 1 times [2020-11-29 20:24:55,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:24:55,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320617367] [2020-11-29 20:24:55,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:24:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:24:56,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:24:56,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320617367] [2020-11-29 20:24:56,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:24:56,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:24:56,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933184240] [2020-11-29 20:24:56,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 20:24:56,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:24:56,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 20:24:56,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 20:24:56,051 INFO L87 Difference]: Start difference. First operand 121 states and 164 transitions. Second operand 4 states. [2020-11-29 20:24:56,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:24:56,189 INFO L93 Difference]: Finished difference Result 250 states and 345 transitions. [2020-11-29 20:24:56,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 20:24:56,190 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-11-29 20:24:56,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:24:56,191 INFO L225 Difference]: With dead ends: 250 [2020-11-29 20:24:56,191 INFO L226 Difference]: Without dead ends: 182 [2020-11-29 20:24:56,192 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 20:24:56,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-11-29 20:24:56,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 179. [2020-11-29 20:24:56,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-11-29 20:24:56,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 243 transitions. [2020-11-29 20:24:56,222 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 243 transitions. Word has length 33 [2020-11-29 20:24:56,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:24:56,222 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 243 transitions. [2020-11-29 20:24:56,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 20:24:56,223 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 243 transitions. [2020-11-29 20:24:56,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 20:24:56,225 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:24:56,226 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] [2020-11-29 20:24:56,226 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 20:24:56,226 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:24:56,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:24:56,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1744408351, now seen corresponding path program 1 times [2020-11-29 20:24:56,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:24:56,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840161109] [2020-11-29 20:24:56,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:24:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:24:56,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:24:56,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840161109] [2020-11-29 20:24:56,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:24:56,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 20:24:56,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839077743] [2020-11-29 20:24:56,295 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 20:24:56,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:24:56,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 20:24:56,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 20:24:56,296 INFO L87 Difference]: Start difference. First operand 179 states and 243 transitions. Second operand 4 states. [2020-11-29 20:24:56,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:24:56,364 INFO L93 Difference]: Finished difference Result 422 states and 584 transitions. [2020-11-29 20:24:56,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 20:24:56,365 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-11-29 20:24:56,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:24:56,367 INFO L225 Difference]: With dead ends: 422 [2020-11-29 20:24:56,368 INFO L226 Difference]: Without dead ends: 295 [2020-11-29 20:24:56,369 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:24:56,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-11-29 20:24:56,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 173. [2020-11-29 20:24:56,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-11-29 20:24:56,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 235 transitions. [2020-11-29 20:24:56,395 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 235 transitions. Word has length 33 [2020-11-29 20:24:56,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:24:56,396 INFO L481 AbstractCegarLoop]: Abstraction has 173 states and 235 transitions. [2020-11-29 20:24:56,396 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 20:24:56,396 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 235 transitions. [2020-11-29 20:24:56,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 20:24:56,398 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:24:56,398 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] [2020-11-29 20:24:56,399 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 20:24:56,399 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:24:56,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:24:56,400 INFO L82 PathProgramCache]: Analyzing trace with hash -1164997414, now seen corresponding path program 1 times [2020-11-29 20:24:56,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:24:56,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410849864] [2020-11-29 20:24:56,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:24:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:24:56,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:24:56,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410849864] [2020-11-29 20:24:56,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:24:56,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 20:24:56,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701021523] [2020-11-29 20:24:56,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 20:24:56,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:24:56,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 20:24:56,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-29 20:24:56,487 INFO L87 Difference]: Start difference. First operand 173 states and 235 transitions. Second operand 6 states. [2020-11-29 20:24:56,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:24:56,796 INFO L93 Difference]: Finished difference Result 506 states and 698 transitions. [2020-11-29 20:24:56,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-29 20:24:56,797 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-11-29 20:24:56,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:24:56,800 INFO L225 Difference]: With dead ends: 506 [2020-11-29 20:24:56,800 INFO L226 Difference]: Without dead ends: 339 [2020-11-29 20:24:56,803 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-11-29 20:24:56,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-11-29 20:24:56,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 152. [2020-11-29 20:24:56,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-11-29 20:24:56,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 199 transitions. [2020-11-29 20:24:56,825 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 199 transitions. Word has length 33 [2020-11-29 20:24:56,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:24:56,827 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 199 transitions. [2020-11-29 20:24:56,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 20:24:56,827 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 199 transitions. [2020-11-29 20:24:56,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 20:24:56,829 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:24:56,830 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] [2020-11-29 20:24:56,830 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 20:24:56,830 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:24:56,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:24:56,831 INFO L82 PathProgramCache]: Analyzing trace with hash 2002573789, now seen corresponding path program 1 times [2020-11-29 20:24:56,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:24:56,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079343524] [2020-11-29 20:24:56,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:24:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:24:56,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:24:56,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079343524] [2020-11-29 20:24:56,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:24:56,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 20:24:56,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493278704] [2020-11-29 20:24:56,919 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 20:24:56,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:24:56,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 20:24:56,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-29 20:24:56,921 INFO L87 Difference]: Start difference. First operand 152 states and 199 transitions. Second operand 6 states. [2020-11-29 20:24:57,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:24:57,023 INFO L93 Difference]: Finished difference Result 385 states and 513 transitions. [2020-11-29 20:24:57,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 20:24:57,028 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-11-29 20:24:57,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:24:57,033 INFO L225 Difference]: With dead ends: 385 [2020-11-29 20:24:57,034 INFO L226 Difference]: Without dead ends: 239 [2020-11-29 20:24:57,035 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-29 20:24:57,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2020-11-29 20:24:57,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 140. [2020-11-29 20:24:57,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-11-29 20:24:57,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 180 transitions. [2020-11-29 20:24:57,061 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 180 transitions. Word has length 33 [2020-11-29 20:24:57,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:24:57,061 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 180 transitions. [2020-11-29 20:24:57,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 20:24:57,062 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 180 transitions. [2020-11-29 20:24:57,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 20:24:57,063 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:24:57,063 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-29 20:24:57,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 20:24:57,064 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:24:57,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:24:57,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1653300136, now seen corresponding path program 1 times [2020-11-29 20:24:57,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:24:57,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111452022] [2020-11-29 20:24:57,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:24:57,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:24:57,136 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 20:24:57,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111452022] [2020-11-29 20:24:57,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:24:57,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 20:24:57,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34949700] [2020-11-29 20:24:57,138 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 20:24:57,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:24:57,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 20:24:57,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:24:57,140 INFO L87 Difference]: Start difference. First operand 140 states and 180 transitions. Second operand 5 states. [2020-11-29 20:24:57,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:24:57,212 INFO L93 Difference]: Finished difference Result 281 states and 369 transitions. [2020-11-29 20:24:57,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 20:24:57,213 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2020-11-29 20:24:57,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:24:57,215 INFO L225 Difference]: With dead ends: 281 [2020-11-29 20:24:57,215 INFO L226 Difference]: Without dead ends: 173 [2020-11-29 20:24:57,216 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-29 20:24:57,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-11-29 20:24:57,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 124. [2020-11-29 20:24:57,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-11-29 20:24:57,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 160 transitions. [2020-11-29 20:24:57,232 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 160 transitions. Word has length 50 [2020-11-29 20:24:57,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:24:57,233 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 160 transitions. [2020-11-29 20:24:57,233 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 20:24:57,233 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 160 transitions. [2020-11-29 20:24:57,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-29 20:24:57,234 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:24:57,234 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1] [2020-11-29 20:24:57,234 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 20:24:57,234 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:24:57,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:24:57,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1625888868, now seen corresponding path program 1 times [2020-11-29 20:24:57,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:24:57,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105405079] [2020-11-29 20:24:57,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:24:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:24:57,325 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:24:57,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105405079] [2020-11-29 20:24:57,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:24:57,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 20:24:57,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85606476] [2020-11-29 20:24:57,326 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 20:24:57,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:24:57,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 20:24:57,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:24:57,328 INFO L87 Difference]: Start difference. First operand 124 states and 160 transitions. Second operand 5 states. [2020-11-29 20:24:57,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:24:57,475 INFO L93 Difference]: Finished difference Result 633 states and 812 transitions. [2020-11-29 20:24:57,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 20:24:57,476 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-11-29 20:24:57,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:24:57,480 INFO L225 Difference]: With dead ends: 633 [2020-11-29 20:24:57,480 INFO L226 Difference]: Without dead ends: 515 [2020-11-29 20:24:57,481 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 [2020-11-29 20:24:57,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2020-11-29 20:24:57,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 240. [2020-11-29 20:24:57,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-11-29 20:24:57,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 304 transitions. [2020-11-29 20:24:57,513 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 304 transitions. Word has length 51 [2020-11-29 20:24:57,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:24:57,513 INFO L481 AbstractCegarLoop]: Abstraction has 240 states and 304 transitions. [2020-11-29 20:24:57,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 20:24:57,513 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 304 transitions. [2020-11-29 20:24:57,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-29 20:24:57,514 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:24:57,515 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] [2020-11-29 20:24:57,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-29 20:24:57,515 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:24:57,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:24:57,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1149655330, now seen corresponding path program 1 times [2020-11-29 20:24:57,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:24:57,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058598834] [2020-11-29 20:24:57,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:24:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:24:57,614 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 20:24:57,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058598834] [2020-11-29 20:24:57,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [856291872] [2020-11-29 20:24:57,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f7022780-f975-4c56-9eda-1d6f5a82950f/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 [2020-11-29 20:24:57,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:24:57,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 20:24:57,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:24:58,020 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 20:24:58,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 20:24:58,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2020-11-29 20:24:58,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127917142] [2020-11-29 20:24:58,021 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-29 20:24:58,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:24:58,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-29 20:24:58,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-11-29 20:24:58,022 INFO L87 Difference]: Start difference. First operand 240 states and 304 transitions. Second operand 10 states. [2020-11-29 20:24:58,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:24:58,436 INFO L93 Difference]: Finished difference Result 580 states and 730 transitions. [2020-11-29 20:24:58,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 20:24:58,436 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 52 [2020-11-29 20:24:58,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:24:58,439 INFO L225 Difference]: With dead ends: 580 [2020-11-29 20:24:58,439 INFO L226 Difference]: Without dead ends: 346 [2020-11-29 20:24:58,440 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-11-29 20:24:58,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-11-29 20:24:58,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 226. [2020-11-29 20:24:58,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-11-29 20:24:58,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 277 transitions. [2020-11-29 20:24:58,475 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 277 transitions. Word has length 52 [2020-11-29 20:24:58,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:24:58,477 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 277 transitions. [2020-11-29 20:24:58,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-29 20:24:58,477 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 277 transitions. [2020-11-29 20:24:58,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-29 20:24:58,478 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:24:58,478 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-29 20:24:58,702 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-11-29 20:24:58,702 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:24:58,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:24:58,702 INFO L82 PathProgramCache]: Analyzing trace with hash 755456399, now seen corresponding path program 1 times [2020-11-29 20:24:58,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:24:58,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166469281] [2020-11-29 20:24:58,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:24:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:24:58,838 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 20:24:58,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166469281] [2020-11-29 20:24:58,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1601800127] [2020-11-29 20:24:58,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f7022780-f975-4c56-9eda-1d6f5a82950f/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 20:24:59,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:24:59,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 20:24:59,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:24:59,081 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 20:24:59,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 20:24:59,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2020-11-29 20:24:59,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009095243] [2020-11-29 20:24:59,086 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 20:24:59,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:24:59,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 20:24:59,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-29 20:24:59,087 INFO L87 Difference]: Start difference. First operand 226 states and 277 transitions. Second operand 7 states. [2020-11-29 20:24:59,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:24:59,364 INFO L93 Difference]: Finished difference Result 774 states and 972 transitions. [2020-11-29 20:24:59,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-29 20:24:59,365 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2020-11-29 20:24:59,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:24:59,365 INFO L225 Difference]: With dead ends: 774 [2020-11-29 20:24:59,366 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 20:24:59,367 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-11-29 20:24:59,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 20:24:59,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 20:24:59,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 20:24:59,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 20:24:59,368 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2020-11-29 20:24:59,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:24:59,368 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:24:59,368 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 20:24:59,369 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 20:24:59,369 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 20:24:59,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-11-29 20:24:59,579 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 20:24:59,885 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 118 [2020-11-29 20:25:00,028 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 99 [2020-11-29 20:25:00,510 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 165 [2020-11-29 20:25:00,736 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 114 [2020-11-29 20:25:01,334 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 140 [2020-11-29 20:25:02,092 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 52 [2020-11-29 20:25:02,600 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 39 [2020-11-29 20:25:03,107 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 29 [2020-11-29 20:25:03,445 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 42 [2020-11-29 20:25:04,472 WARN L193 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 34 [2020-11-29 20:25:04,881 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 48 [2020-11-29 20:25:05,346 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 53 [2020-11-29 20:25:05,607 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 43 [2020-11-29 20:25:06,193 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 32 [2020-11-29 20:25:06,196 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 20:25:06,196 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 20:25:06,196 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-29 20:25:06,196 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-29 20:25:06,196 INFO L274 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-11-29 20:25:06,197 INFO L274 CegarLoopResult]: For program point L862-1(line 862) no Hoare annotation was computed. [2020-11-29 20:25:06,197 INFO L274 CegarLoopResult]: For program point L862-2(line 862) no Hoare annotation was computed. [2020-11-29 20:25:06,197 INFO L270 CegarLoopResult]: At program point L534(lines 534 540) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 0))) (let ((.cse7 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse9 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse10 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse11 (not .cse8)) (.cse4 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse12 (<= 2 ~waterLevel~0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse13 (<= ~waterLevel~0 2)) (.cse1 (<= ~waterLevel~0 1)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse6) (and .cse1 .cse7 .cse2 .cse8 .cse6) (and .cse0 .cse7 .cse9 .cse10 .cse11 .cse2 .cse4 .cse12 .cse5 .cse6 .cse13) (and .cse1 .cse7 .cse0 .cse2 .cse4 .cse5 .cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (and .cse0 .cse9 .cse10 .cse11 .cse3 .cse2 .cse4 .cse12 .cse5 .cse6 .cse13) (and .cse1 .cse3 .cse2 .cse8 .cse6)))) [2020-11-29 20:25:06,197 INFO L270 CegarLoopResult]: At program point L534-1(lines 534 540) the Hoare annotation is: false [2020-11-29 20:25:06,197 INFO L270 CegarLoopResult]: At program point L534-2(lines 534 540) the Hoare annotation is: false [2020-11-29 20:25:06,198 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-29 20:25:06,198 INFO L270 CegarLoopResult]: At program point L931(lines 926 934) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-29 20:25:06,198 INFO L277 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-11-29 20:25:06,198 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 20:25:06,198 INFO L274 CegarLoopResult]: For program point L770(lines 770 774) no Hoare annotation was computed. [2020-11-29 20:25:06,198 INFO L274 CegarLoopResult]: For program point L770-3(lines 770 774) no Hoare annotation was computed. [2020-11-29 20:25:06,198 INFO L270 CegarLoopResult]: At program point L638(lines 633 641) the Hoare annotation is: (and (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (= 1 ~systemActive~0) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0) (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0)) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 2)) [2020-11-29 20:25:06,199 INFO L270 CegarLoopResult]: At program point L638-1(lines 633 641) the Hoare annotation is: false [2020-11-29 20:25:06,199 INFO L274 CegarLoopResult]: For program point L770-6(lines 770 774) no Hoare annotation was computed. [2020-11-29 20:25:06,199 INFO L270 CegarLoopResult]: At program point L638-2(lines 633 641) the Hoare annotation is: false [2020-11-29 20:25:06,199 INFO L274 CegarLoopResult]: For program point L738(lines 738 749) no Hoare annotation was computed. [2020-11-29 20:25:06,199 INFO L270 CegarLoopResult]: At program point L839(lines 834 842) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse9 (<= ~waterLevel~0 1)) (.cse6 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse1 (= 1 ~systemActive~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse10 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse7 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse5 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse6 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0)) (not .cse7) .cse8 (<= ~waterLevel~0 2)) (and .cse9 .cse0 .cse6 .cse1 .cse8 .cse10 .cse2 .cse4 .cse3 .cse5) (and .cse9 .cse6 .cse1 .cse8 .cse10 .cse3 .cse7 .cse5))) [2020-11-29 20:25:06,199 INFO L270 CegarLoopResult]: At program point L839-1(lines 834 842) the Hoare annotation is: false [2020-11-29 20:25:06,199 INFO L270 CegarLoopResult]: At program point L839-2(lines 834 842) the Hoare annotation is: false [2020-11-29 20:25:06,200 INFO L270 CegarLoopResult]: At program point L807(lines 802 810) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (not (= ~pumpRunning~0 0))) (.cse3 (= 1 ~systemActive~0)) (.cse4 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse6) (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)))) [2020-11-29 20:25:06,200 INFO L270 CegarLoopResult]: At program point L807-1(lines 802 810) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 0))) (let ((.cse1 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse8 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse10 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse11 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse12 (<= ~waterLevel~0 2)) (.cse0 (<= ~waterLevel~0 1)) (.cse2 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse3 (not .cse9)) (.cse4 (= 1 ~systemActive~0)) (.cse13 (= ~methaneLevelCritical~0 0)) (.cse5 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse14 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse4 .cse9 .cse7 .cse8) (and .cse1 .cse2 .cse10 .cse3 .cse11 .cse4 .cse5 .cse6 .cse7 .cse8 .cse12) (and .cse2 .cse10 .cse3 .cse11 .cse4 .cse13 .cse5 .cse6 .cse14 .cse7 .cse12) (and .cse0 .cse13 .cse4 .cse14 .cse9 .cse7) (and .cse0 .cse2 .cse3 .cse4 .cse13 .cse5 .cse6 .cse14 .cse7)))) [2020-11-29 20:25:06,200 INFO L270 CegarLoopResult]: At program point L807-2(lines 802 810) the Hoare annotation is: false [2020-11-29 20:25:06,200 INFO L270 CegarLoopResult]: At program point L807-3(lines 802 810) the Hoare annotation is: false [2020-11-29 20:25:06,200 INFO L270 CegarLoopResult]: At program point L807-4(lines 802 810) the Hoare annotation is: false [2020-11-29 20:25:06,200 INFO L270 CegarLoopResult]: At program point L807-5(lines 802 810) the Hoare annotation is: false [2020-11-29 20:25:06,200 INFO L274 CegarLoopResult]: For program point L709(lines 708 753) no Hoare annotation was computed. [2020-11-29 20:25:06,201 INFO L274 CegarLoopResult]: For program point L710(lines 710 714) no Hoare annotation was computed. [2020-11-29 20:25:06,201 INFO L274 CegarLoopResult]: For program point L876(lines 876 896) no Hoare annotation was computed. [2020-11-29 20:25:06,201 INFO L274 CegarLoopResult]: For program point L876-2(lines 876 896) no Hoare annotation was computed. [2020-11-29 20:25:06,201 INFO L274 CegarLoopResult]: For program point L744(lines 744 748) no Hoare annotation was computed. [2020-11-29 20:25:06,201 INFO L274 CegarLoopResult]: For program point L876-4(lines 876 896) no Hoare annotation was computed. [2020-11-29 20:25:06,201 INFO L274 CegarLoopResult]: For program point L744-2(lines 527 533) no Hoare annotation was computed. [2020-11-29 20:25:06,201 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 20:25:06,201 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-11-29 20:25:06,201 INFO L274 CegarLoopResult]: For program point L847(lines 847 853) no Hoare annotation was computed. [2020-11-29 20:25:06,201 INFO L274 CegarLoopResult]: For program point L847-1(lines 847 853) no Hoare annotation was computed. [2020-11-29 20:25:06,201 INFO L274 CegarLoopResult]: For program point L847-2(lines 847 853) no Hoare annotation was computed. [2020-11-29 20:25:06,201 INFO L274 CegarLoopResult]: For program point L847-3(lines 847 853) no Hoare annotation was computed. [2020-11-29 20:25:06,201 INFO L274 CegarLoopResult]: For program point L847-4(lines 847 853) no Hoare annotation was computed. [2020-11-29 20:25:06,202 INFO L274 CegarLoopResult]: For program point L847-5(lines 847 853) no Hoare annotation was computed. [2020-11-29 20:25:06,202 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-29 20:25:06,202 INFO L274 CegarLoopResult]: For program point L782(lines 782 786) no Hoare annotation was computed. [2020-11-29 20:25:06,202 INFO L274 CegarLoopResult]: For program point L882(lines 882 895) no Hoare annotation was computed. [2020-11-29 20:25:06,202 INFO L270 CegarLoopResult]: At program point L882-1(lines 1 934) the Hoare annotation is: (let ((.cse15 (= ~pumpRunning~0 0))) (let ((.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse9 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse11 (<= ~waterLevel~0 2)) (.cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse7 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse8 (not .cse15)) (.cse10 (= ~methaneLevelCritical~0 0)) (.cse13 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse2 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse14 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 1)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse12 (<= ~waterLevel~0 1)) (.cse16 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse1 (= 1 ~systemActive~0)) (.cse17 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse18 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse12 .cse7 .cse1 .cse10 .cse13 .cse14 .cse4 .cse15 .cse5) (and (= ~waterLevel~0 1) .cse10 .cse1 .cse15 .cse5) (and .cse16 .cse0 .cse6 .cse8 .cse9 .cse1 .cse17 .cse2 .cse3 .cse18 .cse5 .cse11) (and .cse12 .cse16 .cse0 .cse8 .cse1 .cse2 .cse17 .cse3 .cse5 .cse18) (and .cse12 .cse0 .cse7 .cse8 .cse1 .cse10 .cse13 .cse2 .cse14 .cse4 .cse3 .cse5) (and .cse12 .cse16 .cse1 .cse17 .cse15 .cse5 .cse18)))) [2020-11-29 20:25:06,202 INFO L274 CegarLoopResult]: For program point L882-2(lines 882 895) no Hoare annotation was computed. [2020-11-29 20:25:06,202 INFO L270 CegarLoopResult]: At program point L882-3(lines 1 934) the Hoare annotation is: false [2020-11-29 20:25:06,202 INFO L274 CegarLoopResult]: For program point L882-4(lines 882 895) no Hoare annotation was computed. [2020-11-29 20:25:06,203 INFO L270 CegarLoopResult]: At program point L882-5(lines 1 934) the Hoare annotation is: false [2020-11-29 20:25:06,203 INFO L274 CegarLoopResult]: For program point L585(lines 585 602) no Hoare annotation was computed. [2020-11-29 20:25:06,203 INFO L274 CegarLoopResult]: For program point L585-1(lines 585 602) no Hoare annotation was computed. [2020-11-29 20:25:06,203 INFO L274 CegarLoopResult]: For program point L585-2(lines 585 602) no Hoare annotation was computed. [2020-11-29 20:25:06,203 INFO L274 CegarLoopResult]: For program point L718(lines 718 724) no Hoare annotation was computed. [2020-11-29 20:25:06,215 INFO L270 CegarLoopResult]: At program point L718-1(lines 718 724) the Hoare annotation is: (let ((.cse12 (<= 2 ~waterLevel~0)) (.cse16 (= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse15 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~pumpRunning~0 0))) (let ((.cse9 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse10 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse11 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse17 (let ((.cse18 (not .cse6))) (or (and .cse18 .cse1 .cse12 .cse15 .cse7) (and .cse16 .cse18 .cse1 .cse15 .cse7)))) (.cse13 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse0 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse14 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse4 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 1)) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse8 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse1 .cse10 .cse6 .cse7 .cse11 .cse8) (and .cse1 .cse2 .cse12 .cse6 .cse7 .cse8) (and (<= ~waterLevel~0 1) .cse9 .cse13 .cse1 .cse14 .cse10 .cse15 .cse7 .cse11) (and .cse16 .cse2 .cse1 .cse6 .cse7) (and .cse9 .cse13 .cse10 .cse14 .cse17 .cse11 .cse8) (and .cse13 .cse0 .cse2 .cse14 .cse17 .cse5 .cse8) (and .cse13 .cse0 .cse1 .cse2 .cse3 .cse14 .cse15 .cse4 .cse5 .cse7 .cse8)))) [2020-11-29 20:25:06,216 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 20:25:06,216 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-11-29 20:25:06,216 INFO L274 CegarLoopResult]: For program point L58-1(lines 527 533) no Hoare annotation was computed. [2020-11-29 20:25:06,216 INFO L270 CegarLoopResult]: At program point L852(lines 843 856) the Hoare annotation is: false [2020-11-29 20:25:06,216 INFO L270 CegarLoopResult]: At program point L852-1(lines 843 856) the Hoare annotation is: (let ((.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse2 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse9 (<= ~waterLevel~0 2)) (.cse0 (not .cse6)) (.cse1 (<= ~waterLevel~0 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse3 .cse8 .cse4 .cse5 .cse9) (and .cse2 .cse6 .cse3 .cse8 .cse4 .cse5 .cse9) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse5)))) [2020-11-29 20:25:06,217 INFO L270 CegarLoopResult]: At program point L852-2(lines 843 856) the Hoare annotation is: false [2020-11-29 20:25:06,217 INFO L270 CegarLoopResult]: At program point L852-3(lines 843 856) the Hoare annotation is: false [2020-11-29 20:25:06,217 INFO L270 CegarLoopResult]: At program point L852-4(lines 843 856) the Hoare annotation is: false [2020-11-29 20:25:06,217 INFO L274 CegarLoopResult]: For program point L687(lines 687 691) no Hoare annotation was computed. [2020-11-29 20:25:06,217 INFO L270 CegarLoopResult]: At program point L852-5(lines 843 856) the Hoare annotation is: false [2020-11-29 20:25:06,217 INFO L274 CegarLoopResult]: For program point L687-2(lines 687 691) no Hoare annotation was computed. [2020-11-29 20:25:06,218 INFO L274 CegarLoopResult]: For program point L687-3(lines 687 691) no Hoare annotation was computed. [2020-11-29 20:25:06,218 INFO L274 CegarLoopResult]: For program point L687-5(lines 687 691) no Hoare annotation was computed. [2020-11-29 20:25:06,218 INFO L274 CegarLoopResult]: For program point L687-6(lines 687 691) no Hoare annotation was computed. [2020-11-29 20:25:06,218 INFO L274 CegarLoopResult]: For program point L687-8(lines 687 691) no Hoare annotation was computed. [2020-11-29 20:25:06,218 INFO L274 CegarLoopResult]: For program point L687-9(lines 687 691) no Hoare annotation was computed. [2020-11-29 20:25:06,218 INFO L274 CegarLoopResult]: For program point L687-11(lines 687 691) no Hoare annotation was computed. [2020-11-29 20:25:06,218 INFO L274 CegarLoopResult]: For program point L687-12(lines 687 691) no Hoare annotation was computed. [2020-11-29 20:25:06,219 INFO L274 CegarLoopResult]: For program point L687-14(lines 687 691) no Hoare annotation was computed. [2020-11-29 20:25:06,219 INFO L274 CegarLoopResult]: For program point L687-15(lines 687 691) no Hoare annotation was computed. [2020-11-29 20:25:06,219 INFO L274 CegarLoopResult]: For program point L687-17(lines 687 691) no Hoare annotation was computed. [2020-11-29 20:25:06,219 INFO L274 CegarLoopResult]: For program point L886(lines 886 892) no Hoare annotation was computed. [2020-11-29 20:25:06,219 INFO L274 CegarLoopResult]: For program point L886-2(lines 886 892) no Hoare annotation was computed. [2020-11-29 20:25:06,220 INFO L270 CegarLoopResult]: At program point L754(lines 707 755) the Hoare annotation is: false [2020-11-29 20:25:06,220 INFO L274 CegarLoopResult]: For program point L886-4(lines 886 892) no Hoare annotation was computed. [2020-11-29 20:25:06,220 INFO L274 CegarLoopResult]: For program point L589(lines 589 597) no Hoare annotation was computed. [2020-11-29 20:25:06,220 INFO L274 CegarLoopResult]: For program point L589-1(lines 589 597) no Hoare annotation was computed. [2020-11-29 20:25:06,221 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 597) no Hoare annotation was computed. [2020-11-29 20:25:06,221 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 20:25:06,221 INFO L274 CegarLoopResult]: For program point L559(lines 559 576) no Hoare annotation was computed. [2020-11-29 20:25:06,221 INFO L274 CegarLoopResult]: For program point L559-1(lines 559 576) no Hoare annotation was computed. [2020-11-29 20:25:06,221 INFO L274 CegarLoopResult]: For program point L559-2(lines 559 576) no Hoare annotation was computed. [2020-11-29 20:25:06,221 INFO L274 CegarLoopResult]: For program point L559-3(lines 559 576) no Hoare annotation was computed. [2020-11-29 20:25:06,221 INFO L274 CegarLoopResult]: For program point L559-4(lines 559 576) no Hoare annotation was computed. [2020-11-29 20:25:06,222 INFO L274 CegarLoopResult]: For program point L559-5(lines 559 576) no Hoare annotation was computed. [2020-11-29 20:25:06,222 INFO L270 CegarLoopResult]: At program point L923(lines 1 934) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-29 20:25:06,223 INFO L270 CegarLoopResult]: At program point L527(lines 526 545) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 1)) (.cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse4 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse7 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse0 .cse2 .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse8 .cse6 .cse9) (and .cse3 .cse2 .cse8 .cse6 .cse9))) [2020-11-29 20:25:06,223 INFO L274 CegarLoopResult]: For program point L527-1(lines 527 533) no Hoare annotation was computed. [2020-11-29 20:25:06,223 INFO L270 CegarLoopResult]: At program point L527-2(lines 526 545) the Hoare annotation is: false [2020-11-29 20:25:06,223 INFO L270 CegarLoopResult]: At program point L527-3(lines 526 545) the Hoare annotation is: false [2020-11-29 20:25:06,223 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 20:25:06,223 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 20:25:06,224 INFO L270 CegarLoopResult]: At program point L693(lines 678 696) the Hoare annotation is: false [2020-11-29 20:25:06,226 INFO L270 CegarLoopResult]: At program point L693-1(lines 678 696) the Hoare annotation is: (let ((.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse11 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse0 (not .cse11)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (not .cse14)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse9 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse10 (not .cse5)) (.cse4 (= 1 ~systemActive~0)) (.cse12 (not .cse8)) (.cse13 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse15 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse9 .cse2 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse10 .cse11 .cse3 .cse4 .cse12 .cse13 .cse14 .cse6 .cse7 .cse15) (and .cse9 .cse10 .cse11 .cse4 .cse12 .cse13 .cse14 .cse6 .cse7 .cse15)))) [2020-11-29 20:25:06,226 INFO L270 CegarLoopResult]: At program point L693-2(lines 678 696) the Hoare annotation is: false [2020-11-29 20:25:06,226 INFO L270 CegarLoopResult]: At program point L693-3(lines 678 696) the Hoare annotation is: false [2020-11-29 20:25:06,227 INFO L270 CegarLoopResult]: At program point L693-4(lines 678 696) the Hoare annotation is: false [2020-11-29 20:25:06,227 INFO L270 CegarLoopResult]: At program point L693-5(lines 678 696) the Hoare annotation is: false [2020-11-29 20:25:06,227 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-11-29 20:25:06,227 INFO L277 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-11-29 20:25:06,227 INFO L274 CegarLoopResult]: For program point L794(lines 794 798) no Hoare annotation was computed. [2020-11-29 20:25:06,227 INFO L274 CegarLoopResult]: For program point L728(lines 728 734) no Hoare annotation was computed. [2020-11-29 20:25:06,228 INFO L270 CegarLoopResult]: At program point L728-1(lines 728 734) the Hoare annotation is: (let ((.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse3 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse0 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse7 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse8 .cse5 .cse6) (and .cse7 .cse2 .cse8 .cse5 .cse6))) [2020-11-29 20:25:06,228 INFO L270 CegarLoopResult]: At program point L629(lines 622 632) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (not (= ~pumpRunning~0 0))) (.cse3 (= 1 ~systemActive~0)) (.cse4 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse6) (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)))) [2020-11-29 20:25:06,228 INFO L270 CegarLoopResult]: At program point L629-1(lines 622 632) the Hoare annotation is: false [2020-11-29 20:25:06,228 INFO L274 CegarLoopResult]: For program point L563(lines 563 571) no Hoare annotation was computed. [2020-11-29 20:25:06,229 INFO L270 CegarLoopResult]: At program point L629-2(lines 622 632) the Hoare annotation is: false [2020-11-29 20:25:06,229 INFO L274 CegarLoopResult]: For program point L563-1(lines 563 571) no Hoare annotation was computed. [2020-11-29 20:25:06,229 INFO L274 CegarLoopResult]: For program point L563-2(lines 563 571) no Hoare annotation was computed. [2020-11-29 20:25:06,230 INFO L274 CegarLoopResult]: For program point L563-3(lines 563 571) no Hoare annotation was computed. [2020-11-29 20:25:06,230 INFO L274 CegarLoopResult]: For program point L563-4(lines 563 571) no Hoare annotation was computed. [2020-11-29 20:25:06,230 INFO L274 CegarLoopResult]: For program point L563-5(lines 563 571) no Hoare annotation was computed. [2020-11-29 20:25:06,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 08:25:06 BoogieIcfgContainer [2020-11-29 20:25:06,296 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 20:25:06,297 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:25:06,297 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:25:06,297 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:25:06,298 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:24:54" (3/4) ... [2020-11-29 20:25:06,301 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 20:25:06,331 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-29 20:25:06,332 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-29 20:25:06,333 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-29 20:25:06,335 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 20:25:06,336 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 20:25:06,337 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:25:06,338 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:25:06,366 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((!(\result == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && tmp == 0) && \result == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && !(pumpRunning == 0)) && !(tmp == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) || ((((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((methaneLevelCritical == systemActive && !(\result == 0)) && \result == 0) && !(pumpRunning == 0)) && !(tmp == 0)) && 1 == systemActive) && 1 <= tmp) && !(tmp___0 == 0)) && tmp == 0) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && 1 <= tmp) && tmp == 0) && splverifierCounter == 0) && 1 <= \result)) || (((((((((((waterLevel <= 1 && !(\result == 0)) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && !(tmp___0 == 0)) && tmp___0 <= 1) && \result == 0) && tmp == 0) && splverifierCounter == 0)) || ((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) [2020-11-29 20:25:06,368 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((methaneLevelCritical == systemActive && 1 == systemActive) && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || (((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && 1 <= tmp) && tmp == 0) && splverifierCounter == 0) && 1 <= \result)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((methaneLevelCritical == systemActive && !(\result == 0)) && 1 <= tmp) && !(tmp___0 == 0)) && (((((!(pumpRunning == 0) && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && splverifierCounter == 0))) && 1 <= \result) && waterLevel <= 2)) || ((((((!(\result == 0) && tmp == 0) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && (((((!(pumpRunning == 0) && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && splverifierCounter == 0))) && \result == 0) && waterLevel <= 2)) || ((((((((((!(\result == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && !(tmp___0 == 0)) && tmp == 0) && tmp___0 <= 1) && \result == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-29 20:25:06,369 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((methaneLevelCritical == systemActive && !(\result == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((!(\result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-29 20:25:06,371 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\result == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) || ((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0)) || ((((methaneLevelCritical == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-29 20:25:06,371 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(\result == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((!(\result == 0) && methaneLevelCritical == systemActive) && \result == 0) && !(tmp == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && 1 <= \result)) || ((((((((((!(\result == 0) && \result == 0) && !(tmp == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel <= 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-29 20:25:06,374 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) || (((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result)) || ((((((((((methaneLevelCritical == systemActive && !(\result == 0)) && \result == 0) && !(pumpRunning == 0)) && !(tmp == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || ((((((((((!(\result == 0) && \result == 0) && !(pumpRunning == 0)) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((waterLevel <= 1 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((waterLevel <= 1 && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0) [2020-11-29 20:25:06,375 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((waterLevel <= 1 && !(\result == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0) || ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) [2020-11-29 20:25:06,376 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((waterLevel <= 1 && !(\result == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0) || ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) [2020-11-29 20:25:06,376 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((methaneLevelCritical == systemActive && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-29 20:25:06,381 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(\result == 0) && 1 == systemActive) && !(tmp___0 == 0)) && \result == 0) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && !(tmp == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) || (((((((((waterLevel <= 1 && !(\result == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0)) || (((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-29 20:25:06,385 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\result == 0) && waterLevel <= 1) && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) || ((((((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == systemActive) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0)) || (((((((((!(\result == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((((methaneLevelCritical == systemActive && !(\result == 0)) && \result == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-29 20:25:06,385 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(\result == 0) && 1 == systemActive) && !(\result == 0)) && !(tmp___0 == 0)) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && !(tmp == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2 [2020-11-29 20:25:06,493 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f7022780-f975-4c56-9eda-1d6f5a82950f/bin/uautomizer/witness.graphml [2020-11-29 20:25:06,493 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:25:06,494 INFO L168 Benchmark]: Toolchain (without parser) took 14230.64 ms. Allocated memory was 88.1 MB in the beginning and 255.9 MB in the end (delta: 167.8 MB). Free memory was 54.6 MB in the beginning and 215.5 MB in the end (delta: -160.9 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2020-11-29 20:25:06,494 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 88.1 MB. Free memory was 61.2 MB in the beginning and 61.2 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:25:06,495 INFO L168 Benchmark]: CACSL2BoogieTranslator took 593.95 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 54.4 MB in the beginning and 74.4 MB in the end (delta: -20.1 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2020-11-29 20:25:06,495 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.72 ms. Allocated memory is still 107.0 MB. Free memory was 74.4 MB in the beginning and 71.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 20:25:06,496 INFO L168 Benchmark]: Boogie Preprocessor took 76.00 ms. Allocated memory is still 107.0 MB. Free memory was 71.0 MB in the beginning and 68.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:25:06,496 INFO L168 Benchmark]: RCFGBuilder took 1181.02 ms. Allocated memory is still 107.0 MB. Free memory was 68.2 MB in the beginning and 62.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. [2020-11-29 20:25:06,497 INFO L168 Benchmark]: TraceAbstraction took 12095.28 ms. Allocated memory was 107.0 MB in the beginning and 255.9 MB in the end (delta: 148.9 MB). Free memory was 62.2 MB in the beginning and 224.9 MB in the end (delta: -162.7 MB). Peak memory consumption was 133.5 MB. Max. memory is 16.1 GB. [2020-11-29 20:25:06,497 INFO L168 Benchmark]: Witness Printer took 196.06 ms. Allocated memory is still 255.9 MB. Free memory was 224.9 MB in the beginning and 215.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:25:06,500 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 88.1 MB. Free memory was 61.2 MB in the beginning and 61.2 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 593.95 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 54.4 MB in the beginning and 74.4 MB in the end (delta: -20.1 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.72 ms. Allocated memory is still 107.0 MB. Free memory was 74.4 MB in the beginning and 71.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.00 ms. Allocated memory is still 107.0 MB. Free memory was 71.0 MB in the beginning and 68.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1181.02 ms. Allocated memory is still 107.0 MB. Free memory was 68.2 MB in the beginning and 62.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12095.28 ms. Allocated memory was 107.0 MB in the beginning and 255.9 MB in the end (delta: 148.9 MB). Free memory was 62.2 MB in the beginning and 224.9 MB in the end (delta: -162.7 MB). Peak memory consumption was 133.5 MB. Max. memory is 16.1 GB. * Witness Printer took 196.06 ms. Allocated memory is still 255.9 MB. Free memory was 224.9 MB in the beginning and 215.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 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: 718]: Loop Invariant Derived loop invariant: ((((((((((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((methaneLevelCritical == systemActive && 1 == systemActive) && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || (((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && 1 <= tmp) && tmp == 0) && splverifierCounter == 0) && 1 <= \result)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((methaneLevelCritical == systemActive && !(\result == 0)) && 1 <= tmp) && !(tmp___0 == 0)) && (((((!(pumpRunning == 0) && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && splverifierCounter == 0))) && 1 <= \result) && waterLevel <= 2)) || ((((((!(\result == 0) && tmp == 0) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && (((((!(pumpRunning == 0) && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && splverifierCounter == 0))) && \result == 0) && waterLevel <= 2)) || ((((((((((!(\result == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && !(tmp___0 == 0)) && tmp == 0) && tmp___0 <= 1) && \result == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: ((((((((((!(\result == 0) && waterLevel <= 1) && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) || ((((((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == systemActive) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0)) || (((((((((!(\result == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((((methaneLevelCritical == systemActive && !(\result == 0)) && \result == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: ((((((((((((!(\result == 0) && 1 == systemActive) && !(\result == 0)) && !(tmp___0 == 0)) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && !(tmp == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((methaneLevelCritical == systemActive && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: (((((((((((((!(\result == 0) && 1 == systemActive) && !(tmp___0 == 0)) && \result == 0) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && !(tmp == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) || (((((((((waterLevel <= 1 && !(\result == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0)) || (((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == systemActive && !(\result == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((!(\result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: (((((((((((!(\result == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((!(\result == 0) && methaneLevelCritical == systemActive) && \result == 0) && !(tmp == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && 1 <= \result)) || ((((((((((!(\result == 0) && \result == 0) && !(tmp == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel <= 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: ((((((((waterLevel <= 1 && !(\result == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0) || ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: ((((((((waterLevel <= 1 && !(\result == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0) || ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((((((((!(\result == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && tmp == 0) && \result == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && !(pumpRunning == 0)) && !(tmp == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) || ((((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((methaneLevelCritical == systemActive && !(\result == 0)) && \result == 0) && !(pumpRunning == 0)) && !(tmp == 0)) && 1 == systemActive) && 1 <= tmp) && !(tmp___0 == 0)) && tmp == 0) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && 1 <= tmp) && tmp == 0) && splverifierCounter == 0) && 1 <= \result)) || (((((((((((waterLevel <= 1 && !(\result == 0)) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && !(tmp___0 == 0)) && tmp___0 <= 1) && \result == 0) && tmp == 0) && splverifierCounter == 0)) || ((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: ((((((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) || (((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result)) || ((((((((((methaneLevelCritical == systemActive && !(\result == 0)) && \result == 0) && !(pumpRunning == 0)) && !(tmp == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || ((((((((((!(\result == 0) && \result == 0) && !(pumpRunning == 0)) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((waterLevel <= 1 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((waterLevel <= 1 && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: ((((((((!(\result == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) || ((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0)) || ((((methaneLevelCritical == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 120 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.2s, OverallIterations: 14, TraceHistogramMax: 2, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1370 SDtfs, 1993 SDslu, 2471 SDs, 0 SdLazy, 413 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 206 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=240occurred in iteration=12, 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, 14 MinimizatonAttempts, 1088 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 246 NumberOfFragments, 1550 HoareAnnotationTreeSize, 45 FomulaSimplifications, 2685113 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 45 FomulaSimplificationsInter, 153341 FormulaSimplificationTreeSizeReductionInter, 4.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 594 NumberOfCodeBlocks, 594 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 578 ConstructedInterpolants, 0 QuantifiedInterpolants, 55375 SizeOfPredicates, 8 NumberOfNonLiveVariables, 867 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 62/88 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...