./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product50.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_b447b5c2-fbc9-4755-8b02-acef228f2893/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b447b5c2-fbc9-4755-8b02-acef228f2893/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b447b5c2-fbc9-4755-8b02-acef228f2893/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b447b5c2-fbc9-4755-8b02-acef228f2893/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b447b5c2-fbc9-4755-8b02-acef228f2893/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b447b5c2-fbc9-4755-8b02-acef228f2893/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 99571b525880b8ef5d438b0b12df7f7fd3755f6b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 19:19:29,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:19:29,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:19:29,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:19:29,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:19:29,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:19:29,390 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:19:29,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:19:29,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:19:29,402 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:19:29,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:19:29,405 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:19:29,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:19:29,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:19:29,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:19:29,412 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:19:29,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:19:29,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:19:29,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:19:29,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:19:29,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:19:29,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:19:29,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:19:29,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:19:29,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:19:29,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:19:29,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:19:29,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:19:29,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:19:29,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:19:29,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:19:29,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:19:29,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:19:29,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:19:29,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:19:29,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:19:29,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:19:29,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:19:29,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:19:29,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:19:29,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:19:29,459 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b447b5c2-fbc9-4755-8b02-acef228f2893/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:19:29,493 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:19:29,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:19:29,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:19:29,495 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:19:29,495 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:19:29,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:19:29,495 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:19:29,495 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:19:29,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:19:29,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:19:29,497 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:19:29,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:19:29,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:19:29,497 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:19:29,498 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:19:29,498 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:19:29,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:19:29,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:19:29,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:19:29,498 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:19:29,499 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:19:29,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:19:29,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:19:29,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:19:29,499 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:19:29,500 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:19:29,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:19:29,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:19:29,500 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:19:29,500 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_b447b5c2-fbc9-4755-8b02-acef228f2893/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b447b5c2-fbc9-4755-8b02-acef228f2893/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99571b525880b8ef5d438b0b12df7f7fd3755f6b [2020-11-29 19:19:29,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:19:29,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:19:29,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:19:29,787 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:19:29,788 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:19:29,790 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b447b5c2-fbc9-4755-8b02-acef228f2893/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c [2020-11-29 19:19:29,870 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b447b5c2-fbc9-4755-8b02-acef228f2893/bin/uautomizer/data/2782a6421/84ec015138ee499cbee53f434df22b4a/FLAGfa0817ef7 [2020-11-29 19:19:30,474 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:19:30,475 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b447b5c2-fbc9-4755-8b02-acef228f2893/sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c [2020-11-29 19:19:30,495 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b447b5c2-fbc9-4755-8b02-acef228f2893/bin/uautomizer/data/2782a6421/84ec015138ee499cbee53f434df22b4a/FLAGfa0817ef7 [2020-11-29 19:19:30,823 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b447b5c2-fbc9-4755-8b02-acef228f2893/bin/uautomizer/data/2782a6421/84ec015138ee499cbee53f434df22b4a [2020-11-29 19:19:30,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:19:30,826 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:19:30,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:19:30,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:19:30,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:19:30,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:19:30" (1/1) ... [2020-11-29 19:19:30,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25a44af5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:19:30, skipping insertion in model container [2020-11-29 19:19:30,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:19:30" (1/1) ... [2020-11-29 19:19:30,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:19:30,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:19:31,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:19:31,314 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:19:31,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:19:31,482 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:19:31,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:19:31 WrapperNode [2020-11-29 19:19:31,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:19:31,484 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:19:31,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:19:31,484 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:19:31,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:19:31" (1/1) ... [2020-11-29 19:19:31,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:19:31" (1/1) ... [2020-11-29 19:19:31,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:19:31,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:19:31,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:19:31,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:19:31,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:19:31" (1/1) ... [2020-11-29 19:19:31,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:19:31" (1/1) ... [2020-11-29 19:19:31,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:19:31" (1/1) ... [2020-11-29 19:19:31,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:19:31" (1/1) ... [2020-11-29 19:19:31,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:19:31" (1/1) ... [2020-11-29 19:19:31,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:19:31" (1/1) ... [2020-11-29 19:19:31,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:19:31" (1/1) ... [2020-11-29 19:19:31,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:19:31,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:19:31,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:19:31,646 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:19:31,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:19:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b447b5c2-fbc9-4755-8b02-acef228f2893/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 19:19:31,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:19:31,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:19:31,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:19:31,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:19:32,716 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:19:32,716 INFO L298 CfgBuilder]: Removed 170 assume(true) statements. [2020-11-29 19:19:32,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:19:32 BoogieIcfgContainer [2020-11-29 19:19:32,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:19:32,725 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:19:32,726 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:19:32,729 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:19:32,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:19:30" (1/3) ... [2020-11-29 19:19:32,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ff687d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:19:32, skipping insertion in model container [2020-11-29 19:19:32,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:19:31" (2/3) ... [2020-11-29 19:19:32,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ff687d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:19:32, skipping insertion in model container [2020-11-29 19:19:32,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:19:32" (3/3) ... [2020-11-29 19:19:32,732 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product50.cil.c [2020-11-29 19:19:32,744 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:19:32,750 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-29 19:19:32,762 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-29 19:19:32,800 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:19:32,800 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:19:32,801 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:19:32,801 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:19:32,801 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:19:32,801 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:19:32,801 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:19:32,801 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:19:32,825 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states. [2020-11-29 19:19:32,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 19:19:32,831 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:19:32,832 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 19:19:32,832 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:19:32,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:19:32,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1900929360, now seen corresponding path program 1 times [2020-11-29 19:19:32,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:19:32,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281607966] [2020-11-29 19:19:32,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:19:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:19:33,177 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 19:19:33,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281607966] [2020-11-29 19:19:33,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:19:33,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:19:33,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164270456] [2020-11-29 19:19:33,185 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 19:19:33,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:19:33,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 19:19:33,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 19:19:33,202 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 2 states. [2020-11-29 19:19:33,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:19:33,243 INFO L93 Difference]: Finished difference Result 243 states and 368 transitions. [2020-11-29 19:19:33,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 19:19:33,244 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-29 19:19:33,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:19:33,253 INFO L225 Difference]: With dead ends: 243 [2020-11-29 19:19:33,253 INFO L226 Difference]: Without dead ends: 119 [2020-11-29 19:19:33,256 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 19:19:33,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-11-29 19:19:33,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2020-11-29 19:19:33,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-11-29 19:19:33,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 174 transitions. [2020-11-29 19:19:33,304 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 174 transitions. Word has length 18 [2020-11-29 19:19:33,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:19:33,304 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 174 transitions. [2020-11-29 19:19:33,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 19:19:33,305 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 174 transitions. [2020-11-29 19:19:33,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 19:19:33,306 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:19:33,306 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 19:19:33,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:19:33,307 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:19:33,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:19:33,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1975820335, now seen corresponding path program 1 times [2020-11-29 19:19:33,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:19:33,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951251402] [2020-11-29 19:19:33,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:19:33,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:19:33,462 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 19:19:33,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951251402] [2020-11-29 19:19:33,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:19:33,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:19:33,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115087184] [2020-11-29 19:19:33,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:19:33,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:19:33,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:19:33,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:19:33,466 INFO L87 Difference]: Start difference. First operand 119 states and 174 transitions. Second operand 3 states. [2020-11-29 19:19:33,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:19:33,483 INFO L93 Difference]: Finished difference Result 119 states and 174 transitions. [2020-11-29 19:19:33,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:19:33,487 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-29 19:19:33,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:19:33,491 INFO L225 Difference]: With dead ends: 119 [2020-11-29 19:19:33,491 INFO L226 Difference]: Without dead ends: 49 [2020-11-29 19:19:33,493 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 19:19:33,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-11-29 19:19:33,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-11-29 19:19:33,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-11-29 19:19:33,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2020-11-29 19:19:33,503 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2020-11-29 19:19:33,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:19:33,503 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2020-11-29 19:19:33,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:19:33,506 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-11-29 19:19:33,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 19:19:33,508 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:19:33,508 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 19:19:33,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:19:33,509 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:19:33,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:19:33,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1803952717, now seen corresponding path program 1 times [2020-11-29 19:19:33,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:19:33,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063012028] [2020-11-29 19:19:33,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:19:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:19:33,628 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 19:19:33,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063012028] [2020-11-29 19:19:33,629 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:19:33,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:19:33,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769852175] [2020-11-29 19:19:33,630 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:19:33,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:19:33,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:19:33,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:19:33,631 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2020-11-29 19:19:33,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:19:33,657 INFO L93 Difference]: Finished difference Result 92 states and 136 transitions. [2020-11-29 19:19:33,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:19:33,662 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-29 19:19:33,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:19:33,663 INFO L225 Difference]: With dead ends: 92 [2020-11-29 19:19:33,664 INFO L226 Difference]: Without dead ends: 49 [2020-11-29 19:19:33,664 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 19:19:33,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-11-29 19:19:33,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-11-29 19:19:33,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-11-29 19:19:33,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2020-11-29 19:19:33,670 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2020-11-29 19:19:33,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:19:33,670 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2020-11-29 19:19:33,670 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:19:33,670 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2020-11-29 19:19:33,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 19:19:33,671 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:19:33,671 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 19:19:33,672 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 19:19:33,672 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:19:33,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:19:33,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1055002865, now seen corresponding path program 1 times [2020-11-29 19:19:33,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:19:33,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995754580] [2020-11-29 19:19:33,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:19:33,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:19:33,778 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 19:19:33,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995754580] [2020-11-29 19:19:33,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:19:33,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:19:33,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791037856] [2020-11-29 19:19:33,779 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:19:33,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:19:33,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:19:33,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:19:33,780 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2020-11-29 19:19:33,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:19:33,848 INFO L93 Difference]: Finished difference Result 115 states and 167 transitions. [2020-11-29 19:19:33,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:19:33,849 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-29 19:19:33,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:19:33,850 INFO L225 Difference]: With dead ends: 115 [2020-11-29 19:19:33,850 INFO L226 Difference]: Without dead ends: 72 [2020-11-29 19:19:33,851 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 19:19:33,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-11-29 19:19:33,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2020-11-29 19:19:33,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-11-29 19:19:33,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 99 transitions. [2020-11-29 19:19:33,864 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 99 transitions. Word has length 26 [2020-11-29 19:19:33,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:19:33,865 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 99 transitions. [2020-11-29 19:19:33,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:19:33,865 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2020-11-29 19:19:33,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 19:19:33,871 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:19:33,871 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 19:19:33,871 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 19:19:33,871 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:19:33,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:19:33,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1200859520, now seen corresponding path program 1 times [2020-11-29 19:19:33,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:19:33,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059896386] [2020-11-29 19:19:33,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:19:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:19:33,977 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 19:19:33,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059896386] [2020-11-29 19:19:33,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:19:33,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 19:19:33,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537913723] [2020-11-29 19:19:33,978 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 19:19:33,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:19:33,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:19:33,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:19:33,979 INFO L87 Difference]: Start difference. First operand 70 states and 99 transitions. Second operand 5 states. [2020-11-29 19:19:34,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:19:34,068 INFO L93 Difference]: Finished difference Result 187 states and 263 transitions. [2020-11-29 19:19:34,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 19:19:34,069 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-11-29 19:19:34,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:19:34,070 INFO L225 Difference]: With dead ends: 187 [2020-11-29 19:19:34,070 INFO L226 Difference]: Without dead ends: 123 [2020-11-29 19:19:34,071 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 19:19:34,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-11-29 19:19:34,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 76. [2020-11-29 19:19:34,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-11-29 19:19:34,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 105 transitions. [2020-11-29 19:19:34,082 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 105 transitions. Word has length 32 [2020-11-29 19:19:34,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:19:34,086 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 105 transitions. [2020-11-29 19:19:34,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 19:19:34,086 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2020-11-29 19:19:34,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 19:19:34,087 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:19:34,087 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 19:19:34,087 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 19:19:34,087 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:19:34,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:19:34,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1966711683, now seen corresponding path program 1 times [2020-11-29 19:19:34,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:19:34,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672281608] [2020-11-29 19:19:34,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:19:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:19:34,170 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 19:19:34,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672281608] [2020-11-29 19:19:34,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:19:34,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 19:19:34,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860745600] [2020-11-29 19:19:34,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 19:19:34,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:19:34,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:19:34,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:19:34,172 INFO L87 Difference]: Start difference. First operand 76 states and 105 transitions. Second operand 5 states. [2020-11-29 19:19:34,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:19:34,305 INFO L93 Difference]: Finished difference Result 381 states and 542 transitions. [2020-11-29 19:19:34,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 19:19:34,306 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-11-29 19:19:34,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:19:34,308 INFO L225 Difference]: With dead ends: 381 [2020-11-29 19:19:34,308 INFO L226 Difference]: Without dead ends: 311 [2020-11-29 19:19:34,309 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 19:19:34,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2020-11-29 19:19:34,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 123. [2020-11-29 19:19:34,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-11-29 19:19:34,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 167 transitions. [2020-11-29 19:19:34,325 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 167 transitions. Word has length 32 [2020-11-29 19:19:34,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:19:34,325 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 167 transitions. [2020-11-29 19:19:34,326 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 19:19:34,326 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 167 transitions. [2020-11-29 19:19:34,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 19:19:34,327 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:19:34,327 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 19:19:34,327 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 19:19:34,330 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:19:34,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:19:34,331 INFO L82 PathProgramCache]: Analyzing trace with hash 895665153, now seen corresponding path program 1 times [2020-11-29 19:19:34,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:19:34,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649527245] [2020-11-29 19:19:34,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:19:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:19:34,388 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 19:19:34,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649527245] [2020-11-29 19:19:34,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:19:34,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:19:34,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306901877] [2020-11-29 19:19:34,389 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:19:34,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:19:34,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:19:34,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:19:34,390 INFO L87 Difference]: Start difference. First operand 123 states and 167 transitions. Second operand 4 states. [2020-11-29 19:19:34,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:19:34,509 INFO L93 Difference]: Finished difference Result 254 states and 351 transitions. [2020-11-29 19:19:34,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:19:34,510 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-11-29 19:19:34,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:19:34,511 INFO L225 Difference]: With dead ends: 254 [2020-11-29 19:19:34,511 INFO L226 Difference]: Without dead ends: 184 [2020-11-29 19:19:34,512 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 19:19:34,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2020-11-29 19:19:34,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 181. [2020-11-29 19:19:34,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-11-29 19:19:34,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 246 transitions. [2020-11-29 19:19:34,542 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 246 transitions. Word has length 33 [2020-11-29 19:19:34,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:19:34,543 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 246 transitions. [2020-11-29 19:19:34,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:19:34,543 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 246 transitions. [2020-11-29 19:19:34,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 19:19:34,546 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:19:34,546 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 19:19:34,546 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 19:19:34,547 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:19:34,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:19:34,547 INFO L82 PathProgramCache]: Analyzing trace with hash -115452097, now seen corresponding path program 1 times [2020-11-29 19:19:34,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:19:34,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819896880] [2020-11-29 19:19:34,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:19:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:19:34,607 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 19:19:34,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819896880] [2020-11-29 19:19:34,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:19:34,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 19:19:34,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974550364] [2020-11-29 19:19:34,608 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:19:34,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:19:34,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:19:34,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:19:34,609 INFO L87 Difference]: Start difference. First operand 181 states and 246 transitions. Second operand 4 states. [2020-11-29 19:19:34,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:19:34,664 INFO L93 Difference]: Finished difference Result 428 states and 593 transitions. [2020-11-29 19:19:34,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 19:19:34,667 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-11-29 19:19:34,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:19:34,669 INFO L225 Difference]: With dead ends: 428 [2020-11-29 19:19:34,670 INFO L226 Difference]: Without dead ends: 299 [2020-11-29 19:19:34,671 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 19:19:34,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2020-11-29 19:19:34,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 175. [2020-11-29 19:19:34,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-11-29 19:19:34,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 238 transitions. [2020-11-29 19:19:34,702 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 238 transitions. Word has length 33 [2020-11-29 19:19:34,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:19:34,702 INFO L481 AbstractCegarLoop]: Abstraction has 175 states and 238 transitions. [2020-11-29 19:19:34,702 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:19:34,702 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 238 transitions. [2020-11-29 19:19:34,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 19:19:34,705 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:19:34,705 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 19:19:34,705 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 19:19:34,705 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:19:34,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:19:34,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1270109434, now seen corresponding path program 1 times [2020-11-29 19:19:34,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:19:34,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227420438] [2020-11-29 19:19:34,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:19:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:19:34,819 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 19:19:34,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227420438] [2020-11-29 19:19:34,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:19:34,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 19:19:34,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272542718] [2020-11-29 19:19:34,821 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 19:19:34,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:19:34,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:19:34,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:19:34,822 INFO L87 Difference]: Start difference. First operand 175 states and 238 transitions. Second operand 5 states. [2020-11-29 19:19:35,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:19:35,007 INFO L93 Difference]: Finished difference Result 465 states and 646 transitions. [2020-11-29 19:19:35,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 19:19:35,007 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-11-29 19:19:35,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:19:35,009 INFO L225 Difference]: With dead ends: 465 [2020-11-29 19:19:35,010 INFO L226 Difference]: Without dead ends: 296 [2020-11-29 19:19:35,010 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 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 19:19:35,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-11-29 19:19:35,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 154. [2020-11-29 19:19:35,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-11-29 19:19:35,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 202 transitions. [2020-11-29 19:19:35,025 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 202 transitions. Word has length 33 [2020-11-29 19:19:35,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:19:35,025 INFO L481 AbstractCegarLoop]: Abstraction has 154 states and 202 transitions. [2020-11-29 19:19:35,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 19:19:35,026 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 202 transitions. [2020-11-29 19:19:35,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 19:19:35,026 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:19:35,026 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 19:19:35,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 19:19:35,027 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:19:35,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:19:35,027 INFO L82 PathProgramCache]: Analyzing trace with hash 142713341, now seen corresponding path program 1 times [2020-11-29 19:19:35,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:19:35,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280188946] [2020-11-29 19:19:35,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:19:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:19:35,074 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 19:19:35,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280188946] [2020-11-29 19:19:35,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:19:35,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 19:19:35,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033016409] [2020-11-29 19:19:35,075 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 19:19:35,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:19:35,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:19:35,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:19:35,076 INFO L87 Difference]: Start difference. First operand 154 states and 202 transitions. Second operand 5 states. [2020-11-29 19:19:35,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:19:35,129 INFO L93 Difference]: Finished difference Result 391 states and 522 transitions. [2020-11-29 19:19:35,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 19:19:35,134 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-11-29 19:19:35,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:19:35,136 INFO L225 Difference]: With dead ends: 391 [2020-11-29 19:19:35,136 INFO L226 Difference]: Without dead ends: 243 [2020-11-29 19:19:35,137 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 19:19:35,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-11-29 19:19:35,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 142. [2020-11-29 19:19:35,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-11-29 19:19:35,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 183 transitions. [2020-11-29 19:19:35,166 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 183 transitions. Word has length 33 [2020-11-29 19:19:35,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:19:35,166 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 183 transitions. [2020-11-29 19:19:35,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 19:19:35,166 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 183 transitions. [2020-11-29 19:19:35,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-29 19:19:35,167 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:19:35,168 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, 1, 1] [2020-11-29 19:19:35,168 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 19:19:35,168 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:19:35,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:19:35,169 INFO L82 PathProgramCache]: Analyzing trace with hash 749127781, now seen corresponding path program 1 times [2020-11-29 19:19:35,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:19:35,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797774793] [2020-11-29 19:19:35,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:19:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:19:35,232 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 19:19:35,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797774793] [2020-11-29 19:19:35,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:19:35,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 19:19:35,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348600856] [2020-11-29 19:19:35,234 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 19:19:35,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:19:35,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:19:35,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:19:35,234 INFO L87 Difference]: Start difference. First operand 142 states and 183 transitions. Second operand 5 states. [2020-11-29 19:19:35,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:19:35,318 INFO L93 Difference]: Finished difference Result 285 states and 375 transitions. [2020-11-29 19:19:35,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 19:19:35,319 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-11-29 19:19:35,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:19:35,320 INFO L225 Difference]: With dead ends: 285 [2020-11-29 19:19:35,320 INFO L226 Difference]: Without dead ends: 175 [2020-11-29 19:19:35,321 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 19:19:35,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-11-29 19:19:35,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 126. [2020-11-29 19:19:35,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-11-29 19:19:35,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 163 transitions. [2020-11-29 19:19:35,338 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 163 transitions. Word has length 52 [2020-11-29 19:19:35,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:19:35,338 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 163 transitions. [2020-11-29 19:19:35,339 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 19:19:35,339 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 163 transitions. [2020-11-29 19:19:35,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-29 19:19:35,340 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:19:35,340 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, 1, 1] [2020-11-29 19:19:35,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 19:19:35,340 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:19:35,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:19:35,341 INFO L82 PathProgramCache]: Analyzing trace with hash 176703009, now seen corresponding path program 1 times [2020-11-29 19:19:35,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:19:35,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801342056] [2020-11-29 19:19:35,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:19:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:19:35,428 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 19:19:35,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801342056] [2020-11-29 19:19:35,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:19:35,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 19:19:35,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301123354] [2020-11-29 19:19:35,429 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 19:19:35,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:19:35,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:19:35,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:19:35,429 INFO L87 Difference]: Start difference. First operand 126 states and 163 transitions. Second operand 5 states. [2020-11-29 19:19:35,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:19:35,561 INFO L93 Difference]: Finished difference Result 656 states and 844 transitions. [2020-11-29 19:19:35,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 19:19:35,561 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-11-29 19:19:35,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:19:35,565 INFO L225 Difference]: With dead ends: 656 [2020-11-29 19:19:35,565 INFO L226 Difference]: Without dead ends: 536 [2020-11-29 19:19:35,567 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 19:19:35,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2020-11-29 19:19:35,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 244. [2020-11-29 19:19:35,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-11-29 19:19:35,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 310 transitions. [2020-11-29 19:19:35,600 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 310 transitions. Word has length 53 [2020-11-29 19:19:35,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:19:35,601 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 310 transitions. [2020-11-29 19:19:35,601 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 19:19:35,601 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 310 transitions. [2020-11-29 19:19:35,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-29 19:19:35,602 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:19:35,602 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:19:35,602 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-29 19:19:35,602 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:19:35,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:19:35,603 INFO L82 PathProgramCache]: Analyzing trace with hash 53419547, now seen corresponding path program 1 times [2020-11-29 19:19:35,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:19:35,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079190986] [2020-11-29 19:19:35,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:19:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:19:35,680 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 19:19:35,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079190986] [2020-11-29 19:19:35,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:19:35,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 19:19:35,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100446248] [2020-11-29 19:19:35,681 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 19:19:35,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:19:35,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:19:35,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:19:35,682 INFO L87 Difference]: Start difference. First operand 244 states and 310 transitions. Second operand 5 states. [2020-11-29 19:19:35,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:19:35,757 INFO L93 Difference]: Finished difference Result 516 states and 670 transitions. [2020-11-29 19:19:35,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 19:19:35,757 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-11-29 19:19:35,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:19:35,759 INFO L225 Difference]: With dead ends: 516 [2020-11-29 19:19:35,760 INFO L226 Difference]: Without dead ends: 330 [2020-11-29 19:19:35,760 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 19:19:35,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2020-11-29 19:19:35,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 250. [2020-11-29 19:19:35,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-11-29 19:19:35,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 316 transitions. [2020-11-29 19:19:35,796 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 316 transitions. Word has length 54 [2020-11-29 19:19:35,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:19:35,797 INFO L481 AbstractCegarLoop]: Abstraction has 250 states and 316 transitions. [2020-11-29 19:19:35,798 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 19:19:35,798 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 316 transitions. [2020-11-29 19:19:35,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-29 19:19:35,799 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:19:35,800 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:19:35,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-29 19:19:35,800 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:19:35,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:19:35,801 INFO L82 PathProgramCache]: Analyzing trace with hash 311584985, now seen corresponding path program 1 times [2020-11-29 19:19:35,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:19:35,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058164893] [2020-11-29 19:19:35,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:19:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:19:35,880 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 19:19:35,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058164893] [2020-11-29 19:19:35,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [714749443] [2020-11-29 19:19:35,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b447b5c2-fbc9-4755-8b02-acef228f2893/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 19:19:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:19:36,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 19:19:36,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:19:36,146 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 19:19:36,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 19:19:36,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-11-29 19:19:36,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765943786] [2020-11-29 19:19:36,147 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-29 19:19:36,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:19:36,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-29 19:19:36,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-29 19:19:36,148 INFO L87 Difference]: Start difference. First operand 250 states and 316 transitions. Second operand 8 states. [2020-11-29 19:19:36,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:19:36,325 INFO L93 Difference]: Finished difference Result 608 states and 764 transitions. [2020-11-29 19:19:36,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 19:19:36,325 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-11-29 19:19:36,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:19:36,328 INFO L225 Difference]: With dead ends: 608 [2020-11-29 19:19:36,328 INFO L226 Difference]: Without dead ends: 364 [2020-11-29 19:19:36,329 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-11-29 19:19:36,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-11-29 19:19:36,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 236. [2020-11-29 19:19:36,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-11-29 19:19:36,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 289 transitions. [2020-11-29 19:19:36,361 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 289 transitions. Word has length 54 [2020-11-29 19:19:36,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:19:36,362 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 289 transitions. [2020-11-29 19:19:36,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-29 19:19:36,362 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 289 transitions. [2020-11-29 19:19:36,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-29 19:19:36,363 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:19:36,363 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, 1, 1] [2020-11-29 19:19:36,589 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-11-29 19:19:36,590 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:19:36,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:19:36,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1435095990, now seen corresponding path program 1 times [2020-11-29 19:19:36,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:19:36,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530611017] [2020-11-29 19:19:36,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:19:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:19:36,681 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 19:19:36,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530611017] [2020-11-29 19:19:36,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94109246] [2020-11-29 19:19:36,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b447b5c2-fbc9-4755-8b02-acef228f2893/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 19:19:36,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:19:36,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 19:19:36,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:19:36,897 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 19:19:36,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 19:19:36,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2020-11-29 19:19:36,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227089161] [2020-11-29 19:19:36,898 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 19:19:36,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:19:36,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 19:19:36,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:19:36,899 INFO L87 Difference]: Start difference. First operand 236 states and 289 transitions. Second operand 7 states. [2020-11-29 19:19:37,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:19:37,160 INFO L93 Difference]: Finished difference Result 814 states and 1020 transitions. [2020-11-29 19:19:37,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-29 19:19:37,161 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2020-11-29 19:19:37,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:19:37,161 INFO L225 Difference]: With dead ends: 814 [2020-11-29 19:19:37,161 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 19:19:37,163 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-11-29 19:19:37,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 19:19:37,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 19:19:37,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 19:19:37,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 19:19:37,163 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2020-11-29 19:19:37,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:19:37,163 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:19:37,163 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 19:19:37,164 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:19:37,164 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:19:37,373 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-11-29 19:19:37,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 19:19:37,491 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 57 [2020-11-29 19:19:37,653 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 85 [2020-11-29 19:19:38,005 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 149 [2020-11-29 19:19:38,216 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 129 [2020-11-29 19:19:38,704 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 186 [2020-11-29 19:19:38,929 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 127 [2020-11-29 19:19:39,298 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 186 [2020-11-29 19:19:39,651 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 24 [2020-11-29 19:19:40,126 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 50 [2020-11-29 19:19:40,937 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 33 [2020-11-29 19:19:41,664 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 53 [2020-11-29 19:19:41,787 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 24 [2020-11-29 19:19:42,054 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 43 [2020-11-29 19:19:43,128 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 175 DAG size of output: 45 [2020-11-29 19:19:43,618 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 44 [2020-11-29 19:19:44,578 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 45 [2020-11-29 19:19:44,907 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 29 [2020-11-29 19:19:45,082 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 42 [2020-11-29 19:19:45,468 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 39 [2020-11-29 19:19:45,471 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 19:19:45,471 INFO L274 CegarLoopResult]: For program point L696(line 696) no Hoare annotation was computed. [2020-11-29 19:19:45,471 INFO L274 CegarLoopResult]: For program point L696-1(line 696) no Hoare annotation was computed. [2020-11-29 19:19:45,472 INFO L274 CegarLoopResult]: For program point L696-2(line 696) no Hoare annotation was computed. [2020-11-29 19:19:45,472 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 19:19:45,472 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-29 19:19:45,472 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-29 19:19:45,472 INFO L270 CegarLoopResult]: At program point L963(lines 948 966) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 0) .cse4 .cse5 .cse6) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2020-11-29 19:19:45,472 INFO L270 CegarLoopResult]: At program point L963-1(lines 948 966) the Hoare annotation is: false [2020-11-29 19:19:45,472 INFO L270 CegarLoopResult]: At program point L963-2(lines 948 966) the Hoare annotation is: false [2020-11-29 19:19:45,472 INFO L274 CegarLoopResult]: For program point L732(lines 732 738) no Hoare annotation was computed. [2020-11-29 19:19:45,473 INFO L270 CegarLoopResult]: At program point L732-1(lines 732 738) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0))) (let ((.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse8 (or (and (= ~waterLevel~0 1) .cse9 .cse0 .cse3 .cse11) (and .cse9 .cse0 (<= 2 ~waterLevel~0) .cse3 .cse11))) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse10 (= ULTIMATE.start_processEnvironment_~tmp~7 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse8 .cse4) (and (<= ~waterLevel~0 1) .cse6 .cse5 .cse0 .cse9 .cse7 .cse10 .cse3 .cse11) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse7 .cse8 .cse4) (and .cse5 .cse0 .cse9 .cse1 .cse7 .cse10 .cse3 .cse4 .cse11)))) [2020-11-29 19:19:45,473 INFO L270 CegarLoopResult]: At program point L567-2(lines 567 581) the Hoare annotation is: false [2020-11-29 19:19:45,473 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-11-29 19:19:45,473 INFO L274 CegarLoopResult]: For program point L535(lines 535 541) no Hoare annotation was computed. [2020-11-29 19:19:45,473 INFO L274 CegarLoopResult]: For program point L535-1(lines 535 541) no Hoare annotation was computed. [2020-11-29 19:19:45,473 INFO L274 CegarLoopResult]: For program point L535-2(lines 535 541) no Hoare annotation was computed. [2020-11-29 19:19:45,473 INFO L274 CegarLoopResult]: For program point L535-3(lines 535 541) no Hoare annotation was computed. [2020-11-29 19:19:45,473 INFO L274 CegarLoopResult]: For program point L535-4(lines 535 541) no Hoare annotation was computed. [2020-11-29 19:19:45,473 INFO L274 CegarLoopResult]: For program point L535-5(lines 535 541) no Hoare annotation was computed. [2020-11-29 19:19:45,474 INFO L274 CegarLoopResult]: For program point L470(lines 470 474) no Hoare annotation was computed. [2020-11-29 19:19:45,474 INFO L274 CegarLoopResult]: For program point L571(lines 571 575) no Hoare annotation was computed. [2020-11-29 19:19:45,474 INFO L274 CegarLoopResult]: For program point L571-1(lines 778 784) no Hoare annotation was computed. [2020-11-29 19:19:45,474 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 19:19:45,474 INFO L274 CegarLoopResult]: For program point L836(lines 836 853) no Hoare annotation was computed. [2020-11-29 19:19:45,474 INFO L274 CegarLoopResult]: For program point L836-1(lines 836 853) no Hoare annotation was computed. [2020-11-29 19:19:45,474 INFO L274 CegarLoopResult]: For program point L836-2(lines 836 853) no Hoare annotation was computed. [2020-11-29 19:19:45,474 INFO L270 CegarLoopResult]: At program point L540(lines 531 544) the Hoare annotation is: false [2020-11-29 19:19:45,474 INFO L270 CegarLoopResult]: At program point L540-1(lines 531 544) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse3 (<= 2 ~waterLevel~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse7 (not .cse1)) (.cse8 (<= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse9 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse0 .cse2 .cse4 .cse5) (and .cse1 .cse9 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse2 .cse9 .cse4 .cse5)))) [2020-11-29 19:19:45,475 INFO L270 CegarLoopResult]: At program point L540-2(lines 531 544) the Hoare annotation is: false [2020-11-29 19:19:45,475 INFO L270 CegarLoopResult]: At program point L540-3(lines 531 544) the Hoare annotation is: false [2020-11-29 19:19:45,475 INFO L270 CegarLoopResult]: At program point L540-4(lines 531 544) the Hoare annotation is: false [2020-11-29 19:19:45,475 INFO L270 CegarLoopResult]: At program point L540-5(lines 531 544) the Hoare annotation is: false [2020-11-29 19:19:45,475 INFO L274 CegarLoopResult]: For program point L938(lines 938 942) no Hoare annotation was computed. [2020-11-29 19:19:45,475 INFO L274 CegarLoopResult]: For program point L938-2(lines 938 942) no Hoare annotation was computed. [2020-11-29 19:19:45,475 INFO L274 CegarLoopResult]: For program point L938-3(lines 938 942) no Hoare annotation was computed. [2020-11-29 19:19:45,475 INFO L274 CegarLoopResult]: For program point L938-5(lines 938 942) no Hoare annotation was computed. [2020-11-29 19:19:45,475 INFO L274 CegarLoopResult]: For program point L938-6(lines 938 942) no Hoare annotation was computed. [2020-11-29 19:19:45,475 INFO L274 CegarLoopResult]: For program point L938-8(lines 938 942) no Hoare annotation was computed. [2020-11-29 19:19:45,476 INFO L274 CegarLoopResult]: For program point L938-9(lines 938 942) no Hoare annotation was computed. [2020-11-29 19:19:45,476 INFO L274 CegarLoopResult]: For program point L938-11(lines 938 942) no Hoare annotation was computed. [2020-11-29 19:19:45,476 INFO L274 CegarLoopResult]: For program point L938-12(lines 938 942) no Hoare annotation was computed. [2020-11-29 19:19:45,476 INFO L274 CegarLoopResult]: For program point L938-14(lines 938 942) no Hoare annotation was computed. [2020-11-29 19:19:45,476 INFO L274 CegarLoopResult]: For program point L938-15(lines 938 942) no Hoare annotation was computed. [2020-11-29 19:19:45,476 INFO L274 CegarLoopResult]: For program point L938-17(lines 938 942) no Hoare annotation was computed. [2020-11-29 19:19:45,476 INFO L274 CegarLoopResult]: For program point L840(lines 840 848) no Hoare annotation was computed. [2020-11-29 19:19:45,476 INFO L274 CegarLoopResult]: For program point L840-1(lines 840 848) no Hoare annotation was computed. [2020-11-29 19:19:45,476 INFO L274 CegarLoopResult]: For program point L840-2(lines 840 848) no Hoare annotation was computed. [2020-11-29 19:19:45,476 INFO L274 CegarLoopResult]: For program point L742(lines 742 755) no Hoare annotation was computed. [2020-11-29 19:19:45,476 INFO L274 CegarLoopResult]: For program point L643(lines 643 650) no Hoare annotation was computed. [2020-11-29 19:19:45,477 INFO L277 CegarLoopResult]: At program point L643-1(lines 643 650) the Hoare annotation is: true [2020-11-29 19:19:45,477 INFO L274 CegarLoopResult]: For program point L810(lines 810 827) no Hoare annotation was computed. [2020-11-29 19:19:45,477 INFO L274 CegarLoopResult]: For program point L810-1(lines 810 827) no Hoare annotation was computed. [2020-11-29 19:19:45,477 INFO L274 CegarLoopResult]: For program point L810-2(lines 810 827) no Hoare annotation was computed. [2020-11-29 19:19:45,477 INFO L274 CegarLoopResult]: For program point L810-3(lines 810 827) no Hoare annotation was computed. [2020-11-29 19:19:45,477 INFO L274 CegarLoopResult]: For program point L810-4(lines 810 827) no Hoare annotation was computed. [2020-11-29 19:19:45,477 INFO L274 CegarLoopResult]: For program point L810-5(lines 810 827) no Hoare annotation was computed. [2020-11-29 19:19:45,477 INFO L270 CegarLoopResult]: At program point L778(lines 777 796) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 0)) (.cse8 (= ~pumpRunning~0 0)) (.cse9 (<= ~waterLevel~0 2)) (.cse0 (<= ~waterLevel~0 1)) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse3 .cse4 .cse8 .cse6 .cse9) (and .cse10 .cse3 .cse8 .cse6 .cse9) (and .cse0 .cse10 .cse1 .cse2 .cse3 .cse5 .cse6 .cse7))) [2020-11-29 19:19:45,477 INFO L274 CegarLoopResult]: For program point L778-1(lines 778 784) no Hoare annotation was computed. [2020-11-29 19:19:45,478 INFO L270 CegarLoopResult]: At program point L778-2(lines 777 796) the Hoare annotation is: false [2020-11-29 19:19:45,478 INFO L270 CegarLoopResult]: At program point L679(lines 1 974) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-29 19:19:45,478 INFO L270 CegarLoopResult]: At program point L778-3(lines 777 796) the Hoare annotation is: false [2020-11-29 19:19:45,478 INFO L270 CegarLoopResult]: At program point L944(lines 929 947) the Hoare annotation is: false [2020-11-29 19:19:45,478 INFO L270 CegarLoopResult]: At program point L944-1(lines 929 947) the Hoare annotation is: (let ((.cse15 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) (.cse11 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse0 (not .cse11)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0)) (.cse3 (not .cse15)) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse5 (= 1 ~systemActive~0)) (.cse12 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse13 (<= 2 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse14 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse5 .cse6 .cse7 .cse8) (and .cse10 .cse11 .cse4 .cse5 .cse12 .cse13 .cse7 .cse8 .cse14 .cse15) (and .cse9 .cse10 .cse11 .cse5 .cse12 .cse13 .cse7 .cse8 .cse14 .cse15)))) [2020-11-29 19:19:45,478 INFO L270 CegarLoopResult]: At program point L944-2(lines 929 947) the Hoare annotation is: false [2020-11-29 19:19:45,478 INFO L270 CegarLoopResult]: At program point L944-3(lines 929 947) the Hoare annotation is: false [2020-11-29 19:19:45,478 INFO L270 CegarLoopResult]: At program point L944-4(lines 929 947) the Hoare annotation is: false [2020-11-29 19:19:45,479 INFO L270 CegarLoopResult]: At program point L944-5(lines 929 947) the Hoare annotation is: false [2020-11-29 19:19:45,479 INFO L274 CegarLoopResult]: For program point L713(lines 712 759) no Hoare annotation was computed. [2020-11-29 19:19:45,479 INFO L274 CegarLoopResult]: For program point L482(lines 482 486) no Hoare annotation was computed. [2020-11-29 19:19:45,479 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 19:19:45,479 INFO L274 CegarLoopResult]: For program point L714(lines 714 718) no Hoare annotation was computed. [2020-11-29 19:19:45,479 INFO L274 CegarLoopResult]: For program point L814(lines 814 822) no Hoare annotation was computed. [2020-11-29 19:19:45,479 INFO L274 CegarLoopResult]: For program point L814-1(lines 814 822) no Hoare annotation was computed. [2020-11-29 19:19:45,479 INFO L274 CegarLoopResult]: For program point L814-2(lines 814 822) no Hoare annotation was computed. [2020-11-29 19:19:45,479 INFO L274 CegarLoopResult]: For program point L814-3(lines 814 822) no Hoare annotation was computed. [2020-11-29 19:19:45,479 INFO L274 CegarLoopResult]: For program point L814-4(lines 814 822) no Hoare annotation was computed. [2020-11-29 19:19:45,479 INFO L274 CegarLoopResult]: For program point L814-5(lines 814 822) no Hoare annotation was computed. [2020-11-29 19:19:45,480 INFO L270 CegarLoopResult]: At program point L616(lines 612 618) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-29 19:19:45,480 INFO L270 CegarLoopResult]: At program point L550(lines 545 553) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 0) .cse4 .cse5 .cse6) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2020-11-29 19:19:45,480 INFO L270 CegarLoopResult]: At program point L550-1(lines 545 553) the Hoare annotation is: false [2020-11-29 19:19:45,480 INFO L270 CegarLoopResult]: At program point L550-2(lines 545 553) the Hoare annotation is: false [2020-11-29 19:19:45,480 INFO L274 CegarLoopResult]: For program point L750(lines 750 754) no Hoare annotation was computed. [2020-11-29 19:19:45,480 INFO L270 CegarLoopResult]: At program point L750-2(lines 778 784) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0))) (let ((.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse8 (or (and (= ~waterLevel~0 1) .cse9 .cse0 .cse3 .cse11) (and .cse9 .cse0 (<= 2 ~waterLevel~0) .cse3 .cse11))) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse10 (= ULTIMATE.start_processEnvironment_~tmp~7 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse8 .cse4) (and (<= ~waterLevel~0 1) .cse6 .cse5 .cse0 .cse9 .cse7 .cse10 .cse3 .cse11) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse7 .cse8 .cse4) (and .cse5 .cse0 .cse9 .cse1 .cse7 .cse10 .cse3 .cse4 .cse11)))) [2020-11-29 19:19:45,480 INFO L277 CegarLoopResult]: At program point L652(lines 633 655) the Hoare annotation is: true [2020-11-29 19:19:45,481 INFO L274 CegarLoopResult]: For program point L421(lines 421 441) no Hoare annotation was computed. [2020-11-29 19:19:45,481 INFO L274 CegarLoopResult]: For program point L421-2(lines 421 441) no Hoare annotation was computed. [2020-11-29 19:19:45,481 INFO L274 CegarLoopResult]: For program point L421-4(lines 421 441) no Hoare annotation was computed. [2020-11-29 19:19:45,481 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 19:19:45,481 INFO L270 CegarLoopResult]: At program point L785(lines 785 791) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 1)) (.cse6 (= ULTIMATE.start_processEnvironment_~tmp~7 0)) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse9 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse3 (= ~pumpRunning~0 1)) (.cse10 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse11 (<= 2 ~waterLevel~0)) (.cse12 (<= ~waterLevel~0 2)) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) (.cse0 (<= ~waterLevel~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse14 (= ~methaneLevelCritical~0 0)) (.cse13 (= ~pumpRunning~0 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse1 .cse2 .cse9 .cse3 .cse4 .cse10 .cse5 .cse11 .cse7 .cse12 .cse8) (and .cse0 .cse2 .cse4 .cse13 .cse7) (and .cse0 .cse1 .cse3 .cse4 .cse14 .cse5 .cse6 .cse7 .cse8) (and .cse1 .cse9 .cse3 .cse4 .cse14 .cse10 .cse5 .cse11 .cse7 .cse12 .cse8) (and .cse0 .cse4 .cse14 .cse13 .cse7))) [2020-11-29 19:19:45,481 INFO L270 CegarLoopResult]: At program point L785-1(lines 785 791) the Hoare annotation is: false [2020-11-29 19:19:45,483 INFO L270 CegarLoopResult]: At program point L785-2(lines 785 791) the Hoare annotation is: false [2020-11-29 19:19:45,484 INFO L270 CegarLoopResult]: At program point L687(lines 682 690) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-29 19:19:45,484 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 19:19:45,484 INFO L274 CegarLoopResult]: For program point L722(lines 722 728) no Hoare annotation was computed. [2020-11-29 19:19:45,484 INFO L270 CegarLoopResult]: At program point L722-1(lines 722 728) the Hoare annotation is: (let ((.cse19 (= ~waterLevel~0 1)) (.cse10 (= ~pumpRunning~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse18 (<= 2 ~waterLevel~0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0))) (let ((.cse0 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 1)) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse16 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)) (.cse11 (= ULTIMATE.start_processEnvironment_~tmp~7 0)) (.cse15 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse13 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 0)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse8 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse17 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse9 (or (and .cse19 .cse10 .cse3 .cse5 .cse12) (and .cse10 .cse3 .cse18 .cse5 .cse12))) (.cse6 (<= ~waterLevel~0 2)) (.cse14 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse8 .cse9 .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse3 .cse10 .cse8 .cse11 .cse5 .cse6 .cse12) (and .cse13 .cse3 .cse14 .cse15 .cse16 .cse17 .cse4 .cse5 .cse6) (and .cse3 .cse14 .cse18 .cse4 .cse5 .cse6) (and .cse7 .cse13 .cse3 .cse10 .cse8 .cse16 .cse17 .cse11 .cse5 .cse12 .cse14 .cse15 .cse6) (and .cse13 .cse7 .cse14 .cse8 .cse17 .cse9 .cse6) (and .cse19 .cse3 .cse14 .cse4 .cse5)))) [2020-11-29 19:19:45,485 INFO L274 CegarLoopResult]: For program point L458(lines 458 462) no Hoare annotation was computed. [2020-11-29 19:19:45,485 INFO L274 CegarLoopResult]: For program point L458-3(lines 458 462) no Hoare annotation was computed. [2020-11-29 19:19:45,485 INFO L274 CegarLoopResult]: For program point L458-6(lines 458 462) no Hoare annotation was computed. [2020-11-29 19:19:45,485 INFO L270 CegarLoopResult]: At program point L889(lines 884 892) the Hoare annotation is: (and (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 0) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1) (= ~pumpRunning~0 1) (= 1 ~systemActive~0) (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 1) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 2)) [2020-11-29 19:19:45,485 INFO L270 CegarLoopResult]: At program point L889-1(lines 884 892) the Hoare annotation is: false [2020-11-29 19:19:45,485 INFO L270 CegarLoopResult]: At program point L889-2(lines 884 892) the Hoare annotation is: false [2020-11-29 19:19:45,486 INFO L274 CegarLoopResult]: For program point L427(lines 427 440) no Hoare annotation was computed. [2020-11-29 19:19:45,486 INFO L270 CegarLoopResult]: At program point L427-1(lines 1 974) the Hoare annotation is: (let ((.cse7 (= ULTIMATE.start_processEnvironment_~tmp~7 0)) (.cse10 (<= ~waterLevel~0 1)) (.cse12 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse5 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)) (.cse14 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse15 (= ~methaneLevelCritical~0 1)) (.cse13 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 1)) (.cse16 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 0)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse17 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse18 (<= 2 ~waterLevel~0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) (.cse19 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse11 (= ~methaneLevelCritical~0 0)) (.cse20 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse13 .cse10 .cse14 .cse15 .cse0 .cse2 .cse3 .cse4 .cse7 .cse8 .cse9) (and .cse13 .cse10 .cse14 .cse15 .cse3 .cse16 .cse8) (and .cse10 .cse1 .cse11 .cse12 .cse3 .cse5 .cse6 .cse16 .cse8) (and .cse14 .cse15 .cse0 .cse2 .cse3 .cse17 .cse4 .cse18 .cse8 .cse9 .cse13 .cse19 .cse20) (and (= ~waterLevel~0 1) .cse3 .cse11 .cse16 .cse8) (and .cse1 .cse0 .cse2 .cse3 .cse17 .cse4 .cse18 .cse6 .cse8 .cse9 .cse19 .cse11 .cse20))) [2020-11-29 19:19:45,486 INFO L274 CegarLoopResult]: For program point L427-2(lines 427 440) no Hoare annotation was computed. [2020-11-29 19:19:45,486 INFO L270 CegarLoopResult]: At program point L427-3(lines 1 974) the Hoare annotation is: false [2020-11-29 19:19:45,487 INFO L274 CegarLoopResult]: For program point L427-4(lines 427 440) no Hoare annotation was computed. [2020-11-29 19:19:45,487 INFO L270 CegarLoopResult]: At program point L427-5(lines 1 974) the Hoare annotation is: false [2020-11-29 19:19:45,487 INFO L270 CegarLoopResult]: At program point L527(lines 522 530) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse6 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse1 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse5 (= ~pumpRunning~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse9 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) (.cse4 (= ~methaneLevelCritical~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= ULTIMATE.start_processEnvironment_~tmp~7 0) .cse9 .cse10) (and .cse0 .cse1 .cse3 .cse4 .cse6 .cse8 (= ~pumpRunning~0 0) .cse9) (and .cse1 .cse2 .cse5 .cse3 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1) .cse7 (<= 2 ~waterLevel~0) .cse8 .cse9 .cse10 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse4 (<= ~waterLevel~0 2)))) [2020-11-29 19:19:45,487 INFO L270 CegarLoopResult]: At program point L527-1(lines 522 530) the Hoare annotation is: false [2020-11-29 19:19:45,487 INFO L270 CegarLoopResult]: At program point L527-2(lines 522 530) the Hoare annotation is: false [2020-11-29 19:19:45,487 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 19:19:45,488 INFO L274 CegarLoopResult]: For program point L957(lines 957 961) no Hoare annotation was computed. [2020-11-29 19:19:45,488 INFO L274 CegarLoopResult]: For program point L957-2(lines 957 961) no Hoare annotation was computed. [2020-11-29 19:19:45,488 INFO L274 CegarLoopResult]: For program point L957-3(lines 957 961) no Hoare annotation was computed. [2020-11-29 19:19:45,488 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 19:19:45,488 INFO L274 CegarLoopResult]: For program point L957-5(lines 957 961) no Hoare annotation was computed. [2020-11-29 19:19:45,488 INFO L274 CegarLoopResult]: For program point L957-6(lines 957 961) no Hoare annotation was computed. [2020-11-29 19:19:45,489 INFO L274 CegarLoopResult]: For program point L957-8(lines 957 961) no Hoare annotation was computed. [2020-11-29 19:19:45,489 INFO L270 CegarLoopResult]: At program point L495(lines 490 498) the Hoare annotation is: (let ((.cse7 (= ULTIMATE.start_processEnvironment_~tmp~7 0)) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse11 (= ~methaneLevelCritical~0 1)) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse12 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (= ~pumpRunning~0 1)) (.cse13 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse14 (<= 2 ~waterLevel~0)) (.cse15 (<= ~waterLevel~0 2)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) (.cse0 (<= ~waterLevel~0 1)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse16 (= ~pumpRunning~0 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse11 .cse1 .cse12 .cse3 .cse2 .cse13 .cse5 .cse14 .cse8 .cse15 .cse9) (and .cse0 .cse10 .cse11 .cse1 .cse2 .cse3 .cse5 .cse7 .cse8 .cse9) (and .cse0 .cse10 .cse11 .cse3 .cse16 .cse8) (and .cse1 .cse12 .cse3 .cse2 .cse4 .cse13 .cse5 .cse14 .cse6 .cse8 .cse15 .cse9) (and .cse0 .cse4 .cse3 .cse6 .cse16 .cse8))) [2020-11-29 19:19:45,489 INFO L270 CegarLoopResult]: At program point L495-1(lines 490 498) the Hoare annotation is: false [2020-11-29 19:19:45,489 INFO L270 CegarLoopResult]: At program point L495-2(lines 490 498) the Hoare annotation is: false [2020-11-29 19:19:45,489 INFO L270 CegarLoopResult]: At program point L760(lines 711 761) the Hoare annotation is: false [2020-11-29 19:19:45,490 INFO L274 CegarLoopResult]: For program point L431(lines 431 437) no Hoare annotation was computed. [2020-11-29 19:19:45,490 INFO L274 CegarLoopResult]: For program point L431-2(lines 431 437) no Hoare annotation was computed. [2020-11-29 19:19:45,490 INFO L274 CegarLoopResult]: For program point L431-4(lines 431 437) no Hoare annotation was computed. [2020-11-29 19:19:45,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:19:45 BoogieIcfgContainer [2020-11-29 19:19:45,556 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:19:45,557 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:19:45,557 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:19:45,557 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:19:45,558 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:19:32" (3/4) ... [2020-11-29 19:19:45,561 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:19:45,581 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-29 19:19:45,583 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-29 19:19:45,584 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-29 19:19:45,586 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 19:19:45,587 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 19:19:45,588 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:19:45,589 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:19:45,619 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((tmp___0 == 1 && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && \result == 1) && tmp___0 <= 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && tmp == 0) && waterLevel <= 1) && methaneLevelCritical == 0) && \result <= 1) || ((((((((((tmp == 1 && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || ((((((tmp == 1 && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((waterLevel <= 1 && tmp == 0) && methaneLevelCritical == 0) && \result <= 1) && 1 == systemActive) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((((\result == 1 && methaneLevelCritical == 1) && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((((tmp == 0 && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 2) [2020-11-29 19:19:45,620 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && tmp___0 == 1) && \result == 1) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2)) || ((((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || ((((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((((((tmp___0 == 1 && tmp == 0) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp___0 <= 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && tmp == 0) && methaneLevelCritical == 0) && \result <= 1) && waterLevel <= 2)) || ((((((tmp == 0 && tmp___0 == 1) && methaneLevelCritical == 0) && \result == 1) && \result == 0) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-29 19:19:45,620 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((tmp___0 == 1 && methaneLevelCritical == 1) && \result == 1) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2)) || ((((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((tmp___0 == 1 && methaneLevelCritical == 0) && \result == 1) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2)) || ((((((((tmp___0 == 1 && 1 == systemActive) && pumpRunning == 1) && methaneLevelCritical == 0) && \result == 1) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0) [2020-11-29 19:19:45,621 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((tmp___0 == 1 && methaneLevelCritical == 1) && \result == 1) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2)) || ((((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((tmp___0 == 1 && methaneLevelCritical == 0) && \result == 1) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2)) || ((((((((tmp___0 == 1 && 1 == systemActive) && pumpRunning == 1) && methaneLevelCritical == 0) && \result == 1) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0) [2020-11-29 19:19:45,622 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((waterLevel <= 1 && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 1) && splverifierCounter == 0) && tmp == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && tmp == 0) [2020-11-29 19:19:45,622 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((waterLevel <= 1 && tmp___0 == 1) && methaneLevelCritical == 1) && pumpRunning == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0) || ((((((((((tmp___0 == 1 && methaneLevelCritical == 1) && \result == 0) && pumpRunning == 1) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || ((((waterLevel <= 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((waterLevel <= 1 && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || ((((((((((tmp___0 == 1 && \result == 0) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || ((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-29 19:19:45,624 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((waterLevel <= 1 && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && tmp == 0) || (((((((((((\result == 1 && methaneLevelCritical == 1) && tmp___0 == 1) && \result == 0) && 1 == systemActive) && pumpRunning == 1) && tmp == 1) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || (((((((((waterLevel <= 1 && \result == 1) && methaneLevelCritical == 1) && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || (((((waterLevel <= 1 && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((tmp___0 == 1 && \result == 0) && 1 == systemActive) && pumpRunning == 1) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || (((((waterLevel <= 1 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-29 19:19:45,625 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((waterLevel <= 1 && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 1) && splverifierCounter == 0) && tmp == 0) || (((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && tmp == 0) [2020-11-29 19:19:45,625 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((methaneLevelCritical == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((\result == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((!(\result == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-29 19:19:45,626 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((waterLevel <= 1 && tmp == 0) && tmp___0 == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 1) && \result <= 1) && \result == 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && tmp == 0) || (((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((((tmp == 0 && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 2) [2020-11-29 19:19:45,627 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((waterLevel <= 1 && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 1) && splverifierCounter == 0) && tmp == 0) || (((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && tmp == 0) [2020-11-29 19:19:45,628 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\result == 0) && waterLevel <= 1) && tmp___0 == 0) && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == 1) && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((tmp___0 == 1 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || (((((((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 0) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0) [2020-11-29 19:19:45,628 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((tmp == 0 && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 2 [2020-11-29 19:19:45,743 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b447b5c2-fbc9-4755-8b02-acef228f2893/bin/uautomizer/witness.graphml [2020-11-29 19:19:45,743 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:19:45,744 INFO L168 Benchmark]: Toolchain (without parser) took 14917.43 ms. Allocated memory was 104.9 MB in the beginning and 268.4 MB in the end (delta: 163.6 MB). Free memory was 69.9 MB in the beginning and 181.7 MB in the end (delta: -111.8 MB). Peak memory consumption was 51.0 MB. Max. memory is 16.1 GB. [2020-11-29 19:19:45,745 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 79.7 MB. Free memory was 50.7 MB in the beginning and 50.7 MB in the end (delta: 26.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:19:45,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.26 ms. Allocated memory is still 104.9 MB. Free memory was 69.7 MB in the beginning and 70.8 MB in the end (delta: -1.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:19:45,746 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.10 ms. Allocated memory is still 104.9 MB. Free memory was 70.8 MB in the beginning and 66.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:19:45,746 INFO L168 Benchmark]: Boogie Preprocessor took 76.47 ms. Allocated memory is still 104.9 MB. Free memory was 66.6 MB in the beginning and 63.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:19:45,747 INFO L168 Benchmark]: RCFGBuilder took 1077.73 ms. Allocated memory is still 104.9 MB. Free memory was 63.9 MB in the beginning and 46.4 MB in the end (delta: 17.6 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. [2020-11-29 19:19:45,747 INFO L168 Benchmark]: TraceAbstraction took 12831.27 ms. Allocated memory was 104.9 MB in the beginning and 268.4 MB in the end (delta: 163.6 MB). Free memory was 45.6 MB in the beginning and 193.2 MB in the end (delta: -147.6 MB). Peak memory consumption was 125.9 MB. Max. memory is 16.1 GB. [2020-11-29 19:19:45,748 INFO L168 Benchmark]: Witness Printer took 186.70 ms. Allocated memory is still 268.4 MB. Free memory was 193.2 MB in the beginning and 181.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:19:45,752 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 79.7 MB. Free memory was 50.7 MB in the beginning and 50.7 MB in the end (delta: 26.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 643.26 ms. Allocated memory is still 104.9 MB. Free memory was 69.7 MB in the beginning and 70.8 MB in the end (delta: -1.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.10 ms. Allocated memory is still 104.9 MB. Free memory was 70.8 MB in the beginning and 66.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.47 ms. Allocated memory is still 104.9 MB. Free memory was 66.6 MB in the beginning and 63.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1077.73 ms. Allocated memory is still 104.9 MB. Free memory was 63.9 MB in the beginning and 46.4 MB in the end (delta: 17.6 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12831.27 ms. Allocated memory was 104.9 MB in the beginning and 268.4 MB in the end (delta: 163.6 MB). Free memory was 45.6 MB in the beginning and 193.2 MB in the end (delta: -147.6 MB). Peak memory consumption was 125.9 MB. Max. memory is 16.1 GB. * Witness Printer took 186.70 ms. Allocated memory is still 268.4 MB. Free memory was 193.2 MB in the beginning and 181.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 948]: Loop Invariant Derived loop invariant: (((((((waterLevel <= 1 && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 1) && splverifierCounter == 0) && tmp == 0) || (((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && tmp == 0) - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 948]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 948]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: (((((((((waterLevel <= 1 && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 1) && splverifierCounter == 0) && tmp == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && tmp == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((((((((tmp___0 == 1 && tmp == 0) && pumpRunning == 1) && 1 == systemActive) && \result == 1) && tmp___0 <= 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && tmp == 0) && waterLevel <= 1) && methaneLevelCritical == 0) && \result <= 1) || ((((((((((tmp == 1 && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || ((((((tmp == 1 && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((waterLevel <= 1 && tmp == 0) && methaneLevelCritical == 0) && \result <= 1) && 1 == systemActive) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((((\result == 1 && methaneLevelCritical == 1) && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((((tmp == 0 && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 2) - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: ((((((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && tmp___0 == 1) && \result == 1) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2)) || ((((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || ((((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((((((tmp___0 == 1 && tmp == 0) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp___0 <= 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && tmp == 0) && methaneLevelCritical == 0) && \result <= 1) && waterLevel <= 2)) || ((((((tmp == 0 && tmp___0 == 1) && methaneLevelCritical == 0) && \result == 1) && \result == 0) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: (((((((waterLevel <= 1 && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 1) && splverifierCounter == 0) && tmp == 0) || (((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && tmp == 0) - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: (((((((((((((waterLevel <= 1 && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && tmp == 0) || (((((((((((\result == 1 && methaneLevelCritical == 1) && tmp___0 == 1) && \result == 0) && 1 == systemActive) && pumpRunning == 1) && tmp == 1) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || (((((((((waterLevel <= 1 && \result == 1) && methaneLevelCritical == 1) && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || (((((waterLevel <= 1 && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((tmp___0 == 1 && \result == 0) && 1 == systemActive) && pumpRunning == 1) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || (((((waterLevel <= 1 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: ((((((((((((tmp == 0 && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 2 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((tmp___0 == 1 && methaneLevelCritical == 1) && \result == 1) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2)) || ((((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((tmp___0 == 1 && methaneLevelCritical == 0) && \result == 1) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2)) || ((((((((tmp___0 == 1 && 1 == systemActive) && pumpRunning == 1) && methaneLevelCritical == 0) && \result == 1) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0) - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: ((((((((((((waterLevel <= 1 && tmp___0 == 1) && methaneLevelCritical == 1) && pumpRunning == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0) || ((((((((((tmp___0 == 1 && methaneLevelCritical == 1) && \result == 0) && pumpRunning == 1) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || ((((waterLevel <= 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((waterLevel <= 1 && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || ((((((((((tmp___0 == 1 && \result == 0) && pumpRunning == 1) && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || ((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((tmp___0 == 1 && methaneLevelCritical == 1) && \result == 1) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2)) || ((((((((waterLevel <= 1 && methaneLevelCritical == 1) && tmp___0 == 1) && 1 == systemActive) && pumpRunning == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && tmp == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((tmp___0 == 1 && methaneLevelCritical == 0) && \result == 1) && (((((waterLevel == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0))) && waterLevel <= 2)) || ((((((((tmp___0 == 1 && 1 == systemActive) && pumpRunning == 1) && methaneLevelCritical == 0) && \result == 1) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0) - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((\result == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((!(\result == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: ((((((((((((waterLevel <= 1 && tmp == 0) && tmp___0 == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 1) && \result <= 1) && \result == 1) && \result == 0) && tmp == 0) && splverifierCounter == 0) && tmp == 0) || (((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((((tmp == 0 && tmp___0 == 1) && pumpRunning == 1) && 1 == systemActive) && tmp == 1) && \result == 1) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 2) - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: ((((((((((!(\result == 0) && waterLevel <= 1) && tmp___0 == 0) && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == 1) && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((tmp___0 == 1 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0)) || (((((((((methaneLevelCritical == 1 && tmp___0 == 1) && \result == 0) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 126 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.5s, OverallIterations: 15, TraceHistogramMax: 2, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1509 SDtfs, 2146 SDslu, 2528 SDs, 0 SdLazy, 347 SolverSat, 60 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 208 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=250occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 1156 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 46 PreInvPairs, 293 NumberOfFragments, 1787 HoareAnnotationTreeSize, 46 FomulaSimplifications, 2528291 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 46 FomulaSimplificationsInter, 140349 FormulaSimplificationTreeSizeReductionInter, 5.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 660 NumberOfCodeBlocks, 660 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 643 ConstructedInterpolants, 0 QuantifiedInterpolants, 54341 SizeOfPredicates, 8 NumberOfNonLiveVariables, 887 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 86/102 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...