./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product58.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_32131474-5929-472b-ba3c-9b745ec7acdc/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_32131474-5929-472b-ba3c-9b745ec7acdc/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_32131474-5929-472b-ba3c-9b745ec7acdc/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_32131474-5929-472b-ba3c-9b745ec7acdc/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_32131474-5929-472b-ba3c-9b745ec7acdc/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_32131474-5929-472b-ba3c-9b745ec7acdc/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 886ac0ae3890ab27ff2aed3926ccccbc5335b8b2 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:52:46,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:52:46,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:52:46,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:52:46,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:52:46,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:52:46,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:52:46,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:52:46,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:52:46,966 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:52:46,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:52:46,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:52:46,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:52:46,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:52:46,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:52:46,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:52:46,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:52:46,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:52:46,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:52:46,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:52:46,989 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:52:46,991 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:52:46,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:52:46,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:52:46,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:52:47,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:52:47,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:52:47,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:52:47,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:52:47,004 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:52:47,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:52:47,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:52:47,007 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:52:47,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:52:47,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:52:47,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:52:47,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:52:47,013 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:52:47,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:52:47,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:52:47,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:52:47,017 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_32131474-5929-472b-ba3c-9b745ec7acdc/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:52:47,045 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:52:47,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:52:47,047 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:52:47,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:52:47,047 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:52:47,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:52:47,048 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:52:47,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:52:47,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:52:47,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:52:47,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:52:47,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:52:47,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:52:47,050 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:52:47,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:52:47,051 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:52:47,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:52:47,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:52:47,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:52:47,053 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:52:47,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:52:47,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:52:47,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:52:47,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:52:47,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:52:47,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:52:47,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:52:47,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:52:47,056 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:52:47,056 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_32131474-5929-472b-ba3c-9b745ec7acdc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_32131474-5929-472b-ba3c-9b745ec7acdc/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 886ac0ae3890ab27ff2aed3926ccccbc5335b8b2 [2020-11-30 00:52:47,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:52:47,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:52:47,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:52:47,413 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:52:47,414 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:52:47,415 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_32131474-5929-472b-ba3c-9b745ec7acdc/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c [2020-11-30 00:52:47,523 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_32131474-5929-472b-ba3c-9b745ec7acdc/bin/uautomizer/data/e7d725921/9dba7ddaa5ee46b8bd8560c51ea5fdc0/FLAGa91a5f565 [2020-11-30 00:52:48,269 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:52:48,270 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_32131474-5929-472b-ba3c-9b745ec7acdc/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c [2020-11-30 00:52:48,291 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_32131474-5929-472b-ba3c-9b745ec7acdc/bin/uautomizer/data/e7d725921/9dba7ddaa5ee46b8bd8560c51ea5fdc0/FLAGa91a5f565 [2020-11-30 00:52:48,528 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_32131474-5929-472b-ba3c-9b745ec7acdc/bin/uautomizer/data/e7d725921/9dba7ddaa5ee46b8bd8560c51ea5fdc0 [2020-11-30 00:52:48,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:52:48,533 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:52:48,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:52:48,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:52:48,539 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:52:48,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:52:48" (1/1) ... [2020-11-30 00:52:48,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9cfbe2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:48, skipping insertion in model container [2020-11-30 00:52:48,543 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:52:48" (1/1) ... [2020-11-30 00:52:48,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:52:48,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:52:49,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:52:49,012 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:52:49,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:52:49,181 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:52:49,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:49 WrapperNode [2020-11-30 00:52:49,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:52:49,183 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:52:49,183 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:52:49,184 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:52:49,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:49" (1/1) ... [2020-11-30 00:52:49,214 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:49" (1/1) ... [2020-11-30 00:52:49,282 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:52:49,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:52:49,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:52:49,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:52:49,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:49" (1/1) ... [2020-11-30 00:52:49,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:49" (1/1) ... [2020-11-30 00:52:49,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:49" (1/1) ... [2020-11-30 00:52:49,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:49" (1/1) ... [2020-11-30 00:52:49,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:49" (1/1) ... [2020-11-30 00:52:49,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:49" (1/1) ... [2020-11-30 00:52:49,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:49" (1/1) ... [2020-11-30 00:52:49,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:52:49,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:52:49,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:52:49,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:52:49,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32131474-5929-472b-ba3c-9b745ec7acdc/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 [2020-11-30 00:52:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:52:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:52:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:52:49,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:52:50,710 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:52:50,711 INFO L298 CfgBuilder]: Removed 202 assume(true) statements. [2020-11-30 00:52:50,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:52:50 BoogieIcfgContainer [2020-11-30 00:52:50,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:52:50,733 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:52:50,736 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:52:50,740 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:52:50,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:52:48" (1/3) ... [2020-11-30 00:52:50,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@204f1d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:52:50, skipping insertion in model container [2020-11-30 00:52:50,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:52:49" (2/3) ... [2020-11-30 00:52:50,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@204f1d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:52:50, skipping insertion in model container [2020-11-30 00:52:50,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:52:50" (3/3) ... [2020-11-30 00:52:50,744 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product58.cil.c [2020-11-30 00:52:50,759 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:52:50,765 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-30 00:52:50,780 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-30 00:52:50,828 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:52:50,828 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:52:50,829 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:52:50,829 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:52:50,829 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:52:50,829 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:52:50,830 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:52:50,830 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:52:50,852 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states. [2020-11-30 00:52:50,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 00:52:50,862 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:52:50,863 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:52:50,864 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:52:50,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:52:50,870 INFO L82 PathProgramCache]: Analyzing trace with hash 1108417028, now seen corresponding path program 1 times [2020-11-30 00:52:50,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:52:50,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945381091] [2020-11-30 00:52:50,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:52:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:51,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:52:51,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945381091] [2020-11-30 00:52:51,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:52:51,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:52:51,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743583322] [2020-11-30 00:52:51,196 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:52:51,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:52:51,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:52:51,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:52:51,216 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 2 states. [2020-11-30 00:52:51,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:52:51,260 INFO L93 Difference]: Finished difference Result 274 states and 411 transitions. [2020-11-30 00:52:51,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:52:51,262 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-30 00:52:51,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:52:51,295 INFO L225 Difference]: With dead ends: 274 [2020-11-30 00:52:51,296 INFO L226 Difference]: Without dead ends: 135 [2020-11-30 00:52:51,301 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 [2020-11-30 00:52:51,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-11-30 00:52:51,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2020-11-30 00:52:51,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-11-30 00:52:51,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 196 transitions. [2020-11-30 00:52:51,366 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 196 transitions. Word has length 18 [2020-11-30 00:52:51,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:52:51,367 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 196 transitions. [2020-11-30 00:52:51,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:52:51,368 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 196 transitions. [2020-11-30 00:52:51,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 00:52:51,369 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:52:51,370 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:52:51,370 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:52:51,370 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:52:51,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:52:51,372 INFO L82 PathProgramCache]: Analyzing trace with hash 889581059, now seen corresponding path program 1 times [2020-11-30 00:52:51,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:52:51,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666540107] [2020-11-30 00:52:51,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:52:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:51,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:52:51,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666540107] [2020-11-30 00:52:51,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:52:51,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:52:51,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308380421] [2020-11-30 00:52:51,521 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:52:51,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:52:51,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:52:51,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:52:51,524 INFO L87 Difference]: Start difference. First operand 135 states and 196 transitions. Second operand 3 states. [2020-11-30 00:52:51,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:52:51,542 INFO L93 Difference]: Finished difference Result 135 states and 196 transitions. [2020-11-30 00:52:51,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:52:51,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-30 00:52:51,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:52:51,544 INFO L225 Difference]: With dead ends: 135 [2020-11-30 00:52:51,544 INFO L226 Difference]: Without dead ends: 55 [2020-11-30 00:52:51,546 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 [2020-11-30 00:52:51,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-30 00:52:51,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-30 00:52:51,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-30 00:52:51,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2020-11-30 00:52:51,554 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2020-11-30 00:52:51,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:52:51,554 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2020-11-30 00:52:51,554 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:52:51,555 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-11-30 00:52:51,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 00:52:51,556 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:52:51,556 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] [2020-11-30 00:52:51,557 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:52:51,557 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:52:51,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:52:51,558 INFO L82 PathProgramCache]: Analyzing trace with hash -622955081, now seen corresponding path program 1 times [2020-11-30 00:52:51,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:52:51,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747511718] [2020-11-30 00:52:51,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:52:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:51,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:52:51,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747511718] [2020-11-30 00:52:51,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:52:51,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 00:52:51,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28056605] [2020-11-30 00:52:51,695 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:52:51,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:52:51,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:52:51,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:52:51,697 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 5 states. [2020-11-30 00:52:51,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:52:51,777 INFO L93 Difference]: Finished difference Result 103 states and 151 transitions. [2020-11-30 00:52:51,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:52:51,778 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-30 00:52:51,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:52:51,779 INFO L225 Difference]: With dead ends: 103 [2020-11-30 00:52:51,780 INFO L226 Difference]: Without dead ends: 55 [2020-11-30 00:52:51,780 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 [2020-11-30 00:52:51,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-30 00:52:51,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-30 00:52:51,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-30 00:52:51,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2020-11-30 00:52:51,799 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2020-11-30 00:52:51,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:52:51,800 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2020-11-30 00:52:51,801 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:52:51,801 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2020-11-30 00:52:51,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 00:52:51,803 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:52:51,804 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] [2020-11-30 00:52:51,804 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:52:51,804 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:52:51,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:52:51,828 INFO L82 PathProgramCache]: Analyzing trace with hash -543801984, now seen corresponding path program 1 times [2020-11-30 00:52:51,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:52:51,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651813278] [2020-11-30 00:52:51,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:52:51,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:51,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:52:51,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651813278] [2020-11-30 00:52:51,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:52:51,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:52:51,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62531273] [2020-11-30 00:52:51,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:52:51,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:52:51,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:52:51,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:52:51,961 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2020-11-30 00:52:52,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:52:52,015 INFO L93 Difference]: Finished difference Result 125 states and 181 transitions. [2020-11-30 00:52:52,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:52:52,016 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-30 00:52:52,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:52:52,017 INFO L225 Difference]: With dead ends: 125 [2020-11-30 00:52:52,018 INFO L226 Difference]: Without dead ends: 77 [2020-11-30 00:52:52,018 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 [2020-11-30 00:52:52,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-11-30 00:52:52,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2020-11-30 00:52:52,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-11-30 00:52:52,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2020-11-30 00:52:52,030 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 26 [2020-11-30 00:52:52,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:52:52,030 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2020-11-30 00:52:52,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:52:52,030 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2020-11-30 00:52:52,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-30 00:52:52,037 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:52:52,037 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] [2020-11-30 00:52:52,037 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:52:52,038 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:52:52,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:52:52,038 INFO L82 PathProgramCache]: Analyzing trace with hash 433721006, now seen corresponding path program 1 times [2020-11-30 00:52:52,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:52:52,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015939621] [2020-11-30 00:52:52,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:52:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:52,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:52:52,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015939621] [2020-11-30 00:52:52,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:52:52,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:52:52,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893658068] [2020-11-30 00:52:52,170 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:52:52,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:52:52,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:52:52,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:52:52,171 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 3 states. [2020-11-30 00:52:52,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:52:52,224 INFO L93 Difference]: Finished difference Result 194 states and 279 transitions. [2020-11-30 00:52:52,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:52:52,225 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-11-30 00:52:52,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:52:52,227 INFO L225 Difference]: With dead ends: 194 [2020-11-30 00:52:52,227 INFO L226 Difference]: Without dead ends: 126 [2020-11-30 00:52:52,228 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 [2020-11-30 00:52:52,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-11-30 00:52:52,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2020-11-30 00:52:52,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-11-30 00:52:52,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 175 transitions. [2020-11-30 00:52:52,246 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 175 transitions. Word has length 32 [2020-11-30 00:52:52,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:52:52,247 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 175 transitions. [2020-11-30 00:52:52,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:52:52,247 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2020-11-30 00:52:52,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-30 00:52:52,248 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:52:52,249 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] [2020-11-30 00:52:52,249 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 00:52:52,249 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:52:52,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:52:52,250 INFO L82 PathProgramCache]: Analyzing trace with hash 1020527020, now seen corresponding path program 1 times [2020-11-30 00:52:52,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:52:52,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269945324] [2020-11-30 00:52:52,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:52:52,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:52,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:52:52,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269945324] [2020-11-30 00:52:52,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:52:52,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:52:52,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448593678] [2020-11-30 00:52:52,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:52:52,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:52:52,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:52:52,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:52:52,332 INFO L87 Difference]: Start difference. First operand 124 states and 175 transitions. Second operand 5 states. [2020-11-30 00:52:52,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:52:52,544 INFO L93 Difference]: Finished difference Result 622 states and 885 transitions. [2020-11-30 00:52:52,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 00:52:52,545 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-11-30 00:52:52,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:52:52,548 INFO L225 Difference]: With dead ends: 622 [2020-11-30 00:52:52,548 INFO L226 Difference]: Without dead ends: 505 [2020-11-30 00:52:52,549 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 [2020-11-30 00:52:52,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2020-11-30 00:52:52,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 227. [2020-11-30 00:52:52,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-11-30 00:52:52,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 314 transitions. [2020-11-30 00:52:52,597 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 314 transitions. Word has length 32 [2020-11-30 00:52:52,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:52:52,598 INFO L481 AbstractCegarLoop]: Abstraction has 227 states and 314 transitions. [2020-11-30 00:52:52,598 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:52:52,598 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 314 transitions. [2020-11-30 00:52:52,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 00:52:52,600 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:52:52,600 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] [2020-11-30 00:52:52,601 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 00:52:52,601 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:52:52,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:52:52,602 INFO L82 PathProgramCache]: Analyzing trace with hash 1020370484, now seen corresponding path program 1 times [2020-11-30 00:52:52,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:52:52,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633612282] [2020-11-30 00:52:52,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:52:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:52,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:52:52,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633612282] [2020-11-30 00:52:52,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:52:52,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:52:52,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157371795] [2020-11-30 00:52:52,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:52:52,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:52:52,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:52:52,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:52:52,699 INFO L87 Difference]: Start difference. First operand 227 states and 314 transitions. Second operand 5 states. [2020-11-30 00:52:52,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:52:52,911 INFO L93 Difference]: Finished difference Result 865 states and 1197 transitions. [2020-11-30 00:52:52,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 00:52:52,911 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-11-30 00:52:52,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:52:52,916 INFO L225 Difference]: With dead ends: 865 [2020-11-30 00:52:52,916 INFO L226 Difference]: Without dead ends: 645 [2020-11-30 00:52:52,918 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 [2020-11-30 00:52:52,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2020-11-30 00:52:52,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 225. [2020-11-30 00:52:52,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-11-30 00:52:52,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 308 transitions. [2020-11-30 00:52:52,965 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 308 transitions. Word has length 33 [2020-11-30 00:52:52,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:52:52,966 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 308 transitions. [2020-11-30 00:52:52,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:52:52,967 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 308 transitions. [2020-11-30 00:52:52,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-30 00:52:52,977 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:52:52,977 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:52:52,977 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 00:52:52,977 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:52:52,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:52:52,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1031669644, now seen corresponding path program 1 times [2020-11-30 00:52:52,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:52:52,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486614955] [2020-11-30 00:52:52,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:52:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:53,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:52:53,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486614955] [2020-11-30 00:52:53,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:52:53,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 00:52:53,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870121242] [2020-11-30 00:52:53,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:52:53,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:52:53,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:52:53,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:52:53,105 INFO L87 Difference]: Start difference. First operand 225 states and 308 transitions. Second operand 5 states. [2020-11-30 00:52:53,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:52:53,236 INFO L93 Difference]: Finished difference Result 609 states and 825 transitions. [2020-11-30 00:52:53,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 00:52:53,237 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-11-30 00:52:53,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:52:53,240 INFO L225 Difference]: With dead ends: 609 [2020-11-30 00:52:53,240 INFO L226 Difference]: Without dead ends: 391 [2020-11-30 00:52:53,241 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 [2020-11-30 00:52:53,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2020-11-30 00:52:53,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 243. [2020-11-30 00:52:53,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-11-30 00:52:53,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 326 transitions. [2020-11-30 00:52:53,275 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 326 transitions. Word has length 36 [2020-11-30 00:52:53,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:52:53,275 INFO L481 AbstractCegarLoop]: Abstraction has 243 states and 326 transitions. [2020-11-30 00:52:53,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:52:53,276 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 326 transitions. [2020-11-30 00:52:53,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-30 00:52:53,278 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:52:53,279 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:52:53,279 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 00:52:53,280 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:52:53,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:52:53,281 INFO L82 PathProgramCache]: Analyzing trace with hash 20552394, now seen corresponding path program 1 times [2020-11-30 00:52:53,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:52:53,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175337275] [2020-11-30 00:52:53,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:52:53,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:53,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:52:53,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175337275] [2020-11-30 00:52:53,378 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:52:53,378 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:52:53,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862982990] [2020-11-30 00:52:53,379 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:52:53,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:52:53,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:52:53,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:52:53,380 INFO L87 Difference]: Start difference. First operand 243 states and 326 transitions. Second operand 4 states. [2020-11-30 00:52:53,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:52:53,457 INFO L93 Difference]: Finished difference Result 512 states and 682 transitions. [2020-11-30 00:52:53,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:52:53,458 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2020-11-30 00:52:53,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:52:53,460 INFO L225 Difference]: With dead ends: 512 [2020-11-30 00:52:53,460 INFO L226 Difference]: Without dead ends: 276 [2020-11-30 00:52:53,462 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 [2020-11-30 00:52:53,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-11-30 00:52:53,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 204. [2020-11-30 00:52:53,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-11-30 00:52:53,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 267 transitions. [2020-11-30 00:52:53,487 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 267 transitions. Word has length 36 [2020-11-30 00:52:53,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:52:53,490 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 267 transitions. [2020-11-30 00:52:53,490 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:52:53,490 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 267 transitions. [2020-11-30 00:52:53,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-30 00:52:53,491 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:52:53,492 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:52:53,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 00:52:53,492 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:52:53,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:52:53,493 INFO L82 PathProgramCache]: Analyzing trace with hash 1819972552, now seen corresponding path program 1 times [2020-11-30 00:52:53,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:52:53,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023116392] [2020-11-30 00:52:53,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:52:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:53,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:52:53,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023116392] [2020-11-30 00:52:53,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:52:53,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 00:52:53,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044616324] [2020-11-30 00:52:53,627 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 00:52:53,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:52:53,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 00:52:53,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:52:53,631 INFO L87 Difference]: Start difference. First operand 204 states and 267 transitions. Second operand 6 states. [2020-11-30 00:52:53,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:52:53,937 INFO L93 Difference]: Finished difference Result 615 states and 805 transitions. [2020-11-30 00:52:53,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-30 00:52:53,945 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2020-11-30 00:52:53,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:52:53,948 INFO L225 Difference]: With dead ends: 615 [2020-11-30 00:52:53,948 INFO L226 Difference]: Without dead ends: 418 [2020-11-30 00:52:53,949 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-11-30 00:52:53,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2020-11-30 00:52:53,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 204. [2020-11-30 00:52:53,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-11-30 00:52:53,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 262 transitions. [2020-11-30 00:52:53,979 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 262 transitions. Word has length 37 [2020-11-30 00:52:53,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:52:53,980 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 262 transitions. [2020-11-30 00:52:53,980 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 00:52:53,980 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 262 transitions. [2020-11-30 00:52:53,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-30 00:52:53,981 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:52:53,982 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:52:53,982 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-30 00:52:53,982 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:52:53,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:52:53,983 INFO L82 PathProgramCache]: Analyzing trace with hash -49858535, now seen corresponding path program 1 times [2020-11-30 00:52:53,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:52:53,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042699181] [2020-11-30 00:52:53,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:52:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:54,097 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:52:54,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042699181] [2020-11-30 00:52:54,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:52:54,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-30 00:52:54,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559338032] [2020-11-30 00:52:54,099 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-30 00:52:54,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:52:54,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 00:52:54,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:52:54,100 INFO L87 Difference]: Start difference. First operand 204 states and 262 transitions. Second operand 7 states. [2020-11-30 00:52:54,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:52:54,262 INFO L93 Difference]: Finished difference Result 516 states and 678 transitions. [2020-11-30 00:52:54,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 00:52:54,263 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2020-11-30 00:52:54,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:52:54,266 INFO L225 Difference]: With dead ends: 516 [2020-11-30 00:52:54,266 INFO L226 Difference]: Without dead ends: 369 [2020-11-30 00:52:54,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-11-30 00:52:54,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2020-11-30 00:52:54,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 210. [2020-11-30 00:52:54,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-11-30 00:52:54,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 268 transitions. [2020-11-30 00:52:54,296 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 268 transitions. Word has length 58 [2020-11-30 00:52:54,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:52:54,297 INFO L481 AbstractCegarLoop]: Abstraction has 210 states and 268 transitions. [2020-11-30 00:52:54,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-30 00:52:54,297 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 268 transitions. [2020-11-30 00:52:54,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-30 00:52:54,298 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:52:54,299 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:52:54,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 00:52:54,299 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:52:54,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:52:54,300 INFO L82 PathProgramCache]: Analyzing trace with hash -308023973, now seen corresponding path program 1 times [2020-11-30 00:52:54,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:52:54,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305589180] [2020-11-30 00:52:54,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:52:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:54,394 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:52:54,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305589180] [2020-11-30 00:52:54,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:52:54,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:52:54,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590722182] [2020-11-30 00:52:54,401 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:52:54,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:52:54,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:52:54,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:52:54,404 INFO L87 Difference]: Start difference. First operand 210 states and 268 transitions. Second operand 3 states. [2020-11-30 00:52:54,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:52:54,470 INFO L93 Difference]: Finished difference Result 331 states and 425 transitions. [2020-11-30 00:52:54,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:52:54,471 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-11-30 00:52:54,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:52:54,474 INFO L225 Difference]: With dead ends: 331 [2020-11-30 00:52:54,474 INFO L226 Difference]: Without dead ends: 329 [2020-11-30 00:52:54,474 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 [2020-11-30 00:52:54,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-11-30 00:52:54,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 236. [2020-11-30 00:52:54,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-11-30 00:52:54,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 307 transitions. [2020-11-30 00:52:54,506 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 307 transitions. Word has length 58 [2020-11-30 00:52:54,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:52:54,507 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 307 transitions. [2020-11-30 00:52:54,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:52:54,507 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 307 transitions. [2020-11-30 00:52:54,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-11-30 00:52:54,508 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:52:54,508 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:52:54,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-30 00:52:54,509 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:52:54,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:52:54,510 INFO L82 PathProgramCache]: Analyzing trace with hash -422129318, now seen corresponding path program 1 times [2020-11-30 00:52:54,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:52:54,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371999321] [2020-11-30 00:52:54,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:52:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:54,737 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:52:54,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371999321] [2020-11-30 00:52:54,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:52:54,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 00:52:54,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660097199] [2020-11-30 00:52:54,740 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:52:54,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:52:54,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:52:54,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:52:54,741 INFO L87 Difference]: Start difference. First operand 236 states and 307 transitions. Second operand 5 states. [2020-11-30 00:52:55,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:52:55,243 INFO L93 Difference]: Finished difference Result 641 states and 850 transitions. [2020-11-30 00:52:55,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 00:52:55,244 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-11-30 00:52:55,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:52:55,247 INFO L225 Difference]: With dead ends: 641 [2020-11-30 00:52:55,248 INFO L226 Difference]: Without dead ends: 462 [2020-11-30 00:52:55,248 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-30 00:52:55,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2020-11-30 00:52:55,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 269. [2020-11-30 00:52:55,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2020-11-30 00:52:55,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 350 transitions. [2020-11-30 00:52:55,313 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 350 transitions. Word has length 82 [2020-11-30 00:52:55,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:52:55,314 INFO L481 AbstractCegarLoop]: Abstraction has 269 states and 350 transitions. [2020-11-30 00:52:55,314 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:52:55,318 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 350 transitions. [2020-11-30 00:52:55,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-11-30 00:52:55,319 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:52:55,320 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:52:55,320 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-30 00:52:55,320 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:52:55,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:52:55,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1443197672, now seen corresponding path program 1 times [2020-11-30 00:52:55,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:52:55,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72378786] [2020-11-30 00:52:55,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:52:55,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:55,448 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:52:55,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72378786] [2020-11-30 00:52:55,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533797578] [2020-11-30 00:52:55,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32131474-5929-472b-ba3c-9b745ec7acdc/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 [2020-11-30 00:52:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:55,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 00:52:55,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:52:55,783 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:52:55,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 00:52:55,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-30 00:52:55,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303869760] [2020-11-30 00:52:55,785 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:52:55,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:52:55,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:52:55,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:52:55,786 INFO L87 Difference]: Start difference. First operand 269 states and 350 transitions. Second operand 4 states. [2020-11-30 00:52:55,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:52:55,980 INFO L93 Difference]: Finished difference Result 559 states and 728 transitions. [2020-11-30 00:52:55,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:52:55,980 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2020-11-30 00:52:55,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:52:55,983 INFO L225 Difference]: With dead ends: 559 [2020-11-30 00:52:55,983 INFO L226 Difference]: Without dead ends: 294 [2020-11-30 00:52:55,984 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:52:55,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-11-30 00:52:56,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 274. [2020-11-30 00:52:56,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-11-30 00:52:56,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 342 transitions. [2020-11-30 00:52:56,043 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 342 transitions. Word has length 82 [2020-11-30 00:52:56,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:52:56,044 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 342 transitions. [2020-11-30 00:52:56,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:52:56,044 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 342 transitions. [2020-11-30 00:52:56,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-11-30 00:52:56,052 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:52:56,052 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:52:56,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-11-30 00:52:56,267 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:52:56,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:52:56,268 INFO L82 PathProgramCache]: Analyzing trace with hash -773335816, now seen corresponding path program 2 times [2020-11-30 00:52:56,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:52:56,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761025349] [2020-11-30 00:52:56,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:52:56,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:52:56,432 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 00:52:56,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761025349] [2020-11-30 00:52:56,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188305108] [2020-11-30 00:52:56,432 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32131474-5929-472b-ba3c-9b745ec7acdc/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 [2020-11-30 00:52:56,750 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-30 00:52:56,750 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-30 00:52:56,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-30 00:52:56,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:52:56,783 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:52:56,830 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 00:52:56,830 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 00:52:56,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2020-11-30 00:52:56,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337889204] [2020-11-30 00:52:56,831 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 00:52:56,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:52:56,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 00:52:56,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:52:56,832 INFO L87 Difference]: Start difference. First operand 274 states and 342 transitions. Second operand 6 states. [2020-11-30 00:52:57,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:52:57,102 INFO L93 Difference]: Finished difference Result 608 states and 761 transitions. [2020-11-30 00:52:57,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 00:52:57,102 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2020-11-30 00:52:57,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:52:57,103 INFO L225 Difference]: With dead ends: 608 [2020-11-30 00:52:57,103 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:52:57,104 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 86 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-11-30 00:52:57,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:52:57,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:52:57,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:52:57,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:52:57,104 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2020-11-30 00:52:57,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:52:57,105 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:52:57,105 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 00:52:57,105 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:52:57,105 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:52:57,305 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-11-30 00:52:57,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:52:57,880 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 181 [2020-11-30 00:52:58,270 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 181 [2020-11-30 00:52:58,655 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 146 [2020-11-30 00:52:59,113 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 162 [2020-11-30 00:52:59,321 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 126 [2020-11-30 00:52:59,539 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 146 [2020-11-30 00:52:59,961 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 166 [2020-11-30 00:53:00,174 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 118 [2020-11-30 00:53:00,453 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 151 [2020-11-30 00:53:00,724 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 36 [2020-11-30 00:53:01,598 WARN L193 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 35 [2020-11-30 00:53:02,496 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 35 [2020-11-30 00:53:03,043 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 37 [2020-11-30 00:53:03,297 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 29 [2020-11-30 00:53:03,952 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 29 [2020-11-30 00:53:04,319 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 31 [2020-11-30 00:53:04,861 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 37 [2020-11-30 00:53:05,082 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 27 [2020-11-30 00:53:05,600 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 31 [2020-11-30 00:53:05,738 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 25 [2020-11-30 00:53:06,192 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 33 [2020-11-30 00:53:06,669 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 37 [2020-11-30 00:53:06,729 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:53:06,730 INFO L274 CegarLoopResult]: For program point L696(lines 696 702) no Hoare annotation was computed. [2020-11-30 00:53:06,730 INFO L274 CegarLoopResult]: For program point L663(lines 663 671) no Hoare annotation was computed. [2020-11-30 00:53:06,730 INFO L274 CegarLoopResult]: For program point L696-2(lines 696 702) no Hoare annotation was computed. [2020-11-30 00:53:06,730 INFO L274 CegarLoopResult]: For program point L663-1(lines 663 671) no Hoare annotation was computed. [2020-11-30 00:53:06,730 INFO L274 CegarLoopResult]: For program point L663-2(lines 663 671) no Hoare annotation was computed. [2020-11-30 00:53:06,730 INFO L274 CegarLoopResult]: For program point L696-4(lines 696 702) no Hoare annotation was computed. [2020-11-30 00:53:06,730 INFO L274 CegarLoopResult]: For program point L696-6(lines 696 702) no Hoare annotation was computed. [2020-11-30 00:53:06,730 INFO L274 CegarLoopResult]: For program point L696-8(lines 696 702) no Hoare annotation was computed. [2020-11-30 00:53:06,730 INFO L274 CegarLoopResult]: For program point L696-10(lines 696 702) no Hoare annotation was computed. [2020-11-30 00:53:06,730 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 00:53:06,730 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 00:53:06,731 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-30 00:53:06,731 INFO L270 CegarLoopResult]: At program point L730(lines 725 733) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-30 00:53:06,731 INFO L270 CegarLoopResult]: At program point L730-1(lines 725 733) the Hoare annotation is: false [2020-11-30 00:53:06,731 INFO L270 CegarLoopResult]: At program point L730-2(lines 725 733) the Hoare annotation is: false [2020-11-30 00:53:06,731 INFO L274 CegarLoopResult]: For program point L533(lines 532 579) no Hoare annotation was computed. [2020-11-30 00:53:06,731 INFO L274 CegarLoopResult]: For program point L996(line 996) no Hoare annotation was computed. [2020-11-30 00:53:06,732 INFO L274 CegarLoopResult]: For program point L996-1(line 996) no Hoare annotation was computed. [2020-11-30 00:53:06,732 INFO L274 CegarLoopResult]: For program point L996-2(line 996) no Hoare annotation was computed. [2020-11-30 00:53:06,732 INFO L274 CegarLoopResult]: For program point L798(lines 798 802) no Hoare annotation was computed. [2020-11-30 00:53:06,732 INFO L274 CegarLoopResult]: For program point L798-2(lines 798 802) no Hoare annotation was computed. [2020-11-30 00:53:06,732 INFO L274 CegarLoopResult]: For program point L798-3(lines 798 802) no Hoare annotation was computed. [2020-11-30 00:53:06,732 INFO L274 CegarLoopResult]: For program point L633(lines 633 650) no Hoare annotation was computed. [2020-11-30 00:53:06,732 INFO L274 CegarLoopResult]: For program point L798-5(lines 798 802) no Hoare annotation was computed. [2020-11-30 00:53:06,732 INFO L274 CegarLoopResult]: For program point L633-1(lines 633 650) no Hoare annotation was computed. [2020-11-30 00:53:06,732 INFO L274 CegarLoopResult]: For program point L798-6(lines 798 802) no Hoare annotation was computed. [2020-11-30 00:53:06,732 INFO L274 CegarLoopResult]: For program point L633-2(lines 633 650) no Hoare annotation was computed. [2020-11-30 00:53:06,733 INFO L274 CegarLoopResult]: For program point L534(lines 534 538) no Hoare annotation was computed. [2020-11-30 00:53:06,733 INFO L274 CegarLoopResult]: For program point L633-3(lines 633 650) no Hoare annotation was computed. [2020-11-30 00:53:06,733 INFO L274 CegarLoopResult]: For program point L798-8(lines 798 802) no Hoare annotation was computed. [2020-11-30 00:53:06,733 INFO L274 CegarLoopResult]: For program point L633-4(lines 633 650) no Hoare annotation was computed. [2020-11-30 00:53:06,733 INFO L274 CegarLoopResult]: For program point L633-5(lines 633 650) no Hoare annotation was computed. [2020-11-30 00:53:06,733 INFO L270 CegarLoopResult]: At program point L138(lines 129 142) the Hoare annotation is: false [2020-11-30 00:53:06,733 INFO L270 CegarLoopResult]: At program point L138-1(lines 129 142) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse7 .cse8 .cse6) (and .cse0 .cse9 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse9 .cse2 .cse4 .cse5 .cse7 .cse8 .cse6))) [2020-11-30 00:53:06,733 INFO L270 CegarLoopResult]: At program point L138-2(lines 129 142) the Hoare annotation is: false [2020-11-30 00:53:06,734 INFO L270 CegarLoopResult]: At program point L138-3(lines 129 142) the Hoare annotation is: false [2020-11-30 00:53:06,734 INFO L270 CegarLoopResult]: At program point L138-4(lines 129 142) the Hoare annotation is: false [2020-11-30 00:53:06,734 INFO L270 CegarLoopResult]: At program point L138-5(lines 129 142) the Hoare annotation is: false [2020-11-30 00:53:06,734 INFO L270 CegarLoopResult]: At program point L601(lines 600 619) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~methAndRunningLastTime~0 0)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5) (and .cse0 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5))) [2020-11-30 00:53:06,734 INFO L274 CegarLoopResult]: For program point L601-1(lines 601 607) no Hoare annotation was computed. [2020-11-30 00:53:06,734 INFO L270 CegarLoopResult]: At program point L601-2(lines 600 619) the Hoare annotation is: false [2020-11-30 00:53:06,734 INFO L270 CegarLoopResult]: At program point L601-3(lines 600 619) the Hoare annotation is: false [2020-11-30 00:53:06,735 INFO L274 CegarLoopResult]: For program point L570(lines 570 574) no Hoare annotation was computed. [2020-11-30 00:53:06,735 INFO L270 CegarLoopResult]: At program point L570-2(lines 601 607) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse7 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~waterLevel~0) .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse4 .cse5 .cse6) (and .cse0 .cse8 .cse2 .cse7 .cse4 .cse5) (and .cse0 (= ~waterLevel~0 1) .cse8 .cse2 .cse3 .cse4 .cse5 .cse6))) [2020-11-30 00:53:06,735 INFO L274 CegarLoopResult]: For program point L835(lines 835 852) no Hoare annotation was computed. [2020-11-30 00:53:06,735 INFO L270 CegarLoopResult]: At program point L835-1(lines 1 999) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4 .cse5) (and .cse0 (= ~waterLevel~0 1) .cse6 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse6 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5))) [2020-11-30 00:53:06,735 INFO L274 CegarLoopResult]: For program point L835-2(lines 835 852) no Hoare annotation was computed. [2020-11-30 00:53:06,735 INFO L270 CegarLoopResult]: At program point L835-3(lines 1 999) the Hoare annotation is: false [2020-11-30 00:53:06,735 INFO L274 CegarLoopResult]: For program point L835-4(lines 835 852) no Hoare annotation was computed. [2020-11-30 00:53:06,736 INFO L270 CegarLoopResult]: At program point L835-5(lines 1 999) the Hoare annotation is: false [2020-11-30 00:53:06,736 INFO L274 CegarLoopResult]: For program point L637(lines 637 645) no Hoare annotation was computed. [2020-11-30 00:53:06,736 INFO L274 CegarLoopResult]: For program point L637-1(lines 637 645) no Hoare annotation was computed. [2020-11-30 00:53:06,736 INFO L274 CegarLoopResult]: For program point L637-2(lines 637 645) no Hoare annotation was computed. [2020-11-30 00:53:06,736 INFO L274 CegarLoopResult]: For program point L637-3(lines 637 645) no Hoare annotation was computed. [2020-11-30 00:53:06,736 INFO L274 CegarLoopResult]: For program point L637-4(lines 637 645) no Hoare annotation was computed. [2020-11-30 00:53:06,736 INFO L274 CegarLoopResult]: For program point L637-5(lines 637 645) no Hoare annotation was computed. [2020-11-30 00:53:06,736 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:53:06,737 INFO L270 CegarLoopResult]: At program point L804(lines 789 807) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 0))) (.cse2 (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0))) (.cse3 (let ((.cse9 (= ~waterLevel~0 0))) (or (and (= ULTIMATE.start_isLowWaterLevel_~tmp~8 1) .cse9) (and (not .cse9) (= ULTIMATE.start_isLowWaterLevel_~tmp~8 0))))) (.cse4 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse8 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2020-11-30 00:53:06,737 INFO L270 CegarLoopResult]: At program point L804-1(lines 789 807) the Hoare annotation is: false [2020-11-30 00:53:06,737 INFO L270 CegarLoopResult]: At program point L804-2(lines 789 807) the Hoare annotation is: false [2020-11-30 00:53:06,737 INFO L274 CegarLoopResult]: For program point L839(lines 839 849) no Hoare annotation was computed. [2020-11-30 00:53:06,737 INFO L274 CegarLoopResult]: For program point L839-2(lines 839 849) no Hoare annotation was computed. [2020-11-30 00:53:06,737 INFO L274 CegarLoopResult]: For program point L839-4(lines 839 849) no Hoare annotation was computed. [2020-11-30 00:53:06,737 INFO L270 CegarLoopResult]: At program point L608(lines 608 614) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse3 .cse6 .cse4) (and .cse0 (= ~methaneLevelCritical~0 1) .cse2 .cse5 .cse3 .cse6 .cse4))) [2020-11-30 00:53:06,737 INFO L270 CegarLoopResult]: At program point L608-1(lines 608 614) the Hoare annotation is: false [2020-11-30 00:53:06,738 INFO L274 CegarLoopResult]: For program point L542(lines 542 548) no Hoare annotation was computed. [2020-11-30 00:53:06,738 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 614) the Hoare annotation is: false [2020-11-30 00:53:06,738 INFO L270 CegarLoopResult]: At program point L542-1(lines 542 548) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse7 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (<= 2 ~waterLevel~0) .cse3 .cse5 .cse6))) [2020-11-30 00:53:06,738 INFO L274 CegarLoopResult]: For program point L80(lines 80 84) no Hoare annotation was computed. [2020-11-30 00:53:06,738 INFO L274 CegarLoopResult]: For program point L840(lines 840 846) no Hoare annotation was computed. [2020-11-30 00:53:06,738 INFO L270 CegarLoopResult]: At program point L906-2(lines 906 920) the Hoare annotation is: false [2020-11-30 00:53:06,738 INFO L274 CegarLoopResult]: For program point L840-2(lines 840 846) no Hoare annotation was computed. [2020-11-30 00:53:06,738 INFO L274 CegarLoopResult]: For program point L840-4(lines 840 846) no Hoare annotation was computed. [2020-11-30 00:53:06,738 INFO L274 CegarLoopResult]: For program point L907(line 907) no Hoare annotation was computed. [2020-11-30 00:53:06,739 INFO L270 CegarLoopResult]: At program point L148(lines 143 151) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 .cse4 .cse5 (= ~methAndRunningLastTime~0 0)) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-11-30 00:53:06,739 INFO L270 CegarLoopResult]: At program point L148-1(lines 143 151) the Hoare annotation is: false [2020-11-30 00:53:06,739 INFO L270 CegarLoopResult]: At program point L148-2(lines 143 151) the Hoare annotation is: false [2020-11-30 00:53:06,739 INFO L274 CegarLoopResult]: For program point L910(lines 910 914) no Hoare annotation was computed. [2020-11-30 00:53:06,739 INFO L274 CegarLoopResult]: For program point L910-1(lines 601 607) no Hoare annotation was computed. [2020-11-30 00:53:06,739 INFO L270 CegarLoopResult]: At program point L580(lines 531 581) the Hoare annotation is: false [2020-11-30 00:53:06,739 INFO L274 CegarLoopResult]: For program point L779(lines 779 783) no Hoare annotation was computed. [2020-11-30 00:53:06,739 INFO L274 CegarLoopResult]: For program point L779-2(lines 779 783) no Hoare annotation was computed. [2020-11-30 00:53:06,739 INFO L274 CegarLoopResult]: For program point L779-3(lines 779 783) no Hoare annotation was computed. [2020-11-30 00:53:06,739 INFO L274 CegarLoopResult]: For program point L779-5(lines 779 783) no Hoare annotation was computed. [2020-11-30 00:53:06,739 INFO L274 CegarLoopResult]: For program point L779-6(lines 779 783) no Hoare annotation was computed. [2020-11-30 00:53:06,740 INFO L274 CegarLoopResult]: For program point L779-8(lines 779 783) no Hoare annotation was computed. [2020-11-30 00:53:06,740 INFO L274 CegarLoopResult]: For program point L779-9(lines 779 783) no Hoare annotation was computed. [2020-11-30 00:53:06,740 INFO L274 CegarLoopResult]: For program point L779-11(lines 779 783) no Hoare annotation was computed. [2020-11-30 00:53:06,740 INFO L274 CegarLoopResult]: For program point L779-12(lines 779 783) no Hoare annotation was computed. [2020-11-30 00:53:06,740 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:53:06,740 INFO L274 CegarLoopResult]: For program point L779-14(lines 779 783) no Hoare annotation was computed. [2020-11-30 00:53:06,740 INFO L274 CegarLoopResult]: For program point L779-15(lines 779 783) no Hoare annotation was computed. [2020-11-30 00:53:06,740 INFO L274 CegarLoopResult]: For program point L779-17(lines 779 783) no Hoare annotation was computed. [2020-11-30 00:53:06,740 INFO L274 CegarLoopResult]: For program point L978(lines 978 985) no Hoare annotation was computed. [2020-11-30 00:53:06,740 INFO L277 CegarLoopResult]: At program point L978-1(lines 978 985) the Hoare annotation is: true [2020-11-30 00:53:06,740 INFO L274 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-11-30 00:53:06,740 INFO L274 CegarLoopResult]: For program point L56-3(lines 56 60) no Hoare annotation was computed. [2020-11-30 00:53:06,741 INFO L270 CegarLoopResult]: At program point L882(lines 1 999) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-30 00:53:06,741 INFO L274 CegarLoopResult]: For program point L56-6(lines 56 60) no Hoare annotation was computed. [2020-11-30 00:53:06,741 INFO L274 CegarLoopResult]: For program point L552(lines 552 558) no Hoare annotation was computed. [2020-11-30 00:53:06,741 INFO L270 CegarLoopResult]: At program point L552-1(lines 552 558) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse7 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~waterLevel~0) .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse4 .cse5 .cse6) (and .cse0 .cse8 .cse2 .cse7 .cse4 .cse5) (and .cse0 (= ~waterLevel~0 1) .cse8 .cse2 .cse3 .cse4 .cse5 .cse6))) [2020-11-30 00:53:06,741 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:53:06,741 INFO L270 CegarLoopResult]: At program point L785(lines 770 788) the Hoare annotation is: false [2020-11-30 00:53:06,742 INFO L270 CegarLoopResult]: At program point L785-1(lines 770 788) the Hoare annotation is: (let ((.cse7 (= ~methaneLevelCritical~0 1)) (.cse3 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse9 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (<= 1 ~waterLevel~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse8 .cse2 .cse9 .cse4 .cse10 .cse5 .cse6) (and .cse0 .cse7 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse8 .cse1 .cse2 .cse9 .cse4 .cse5 .cse10 .cse6))) [2020-11-30 00:53:06,742 INFO L270 CegarLoopResult]: At program point L785-2(lines 770 788) the Hoare annotation is: false [2020-11-30 00:53:06,742 INFO L270 CegarLoopResult]: At program point L785-3(lines 770 788) the Hoare annotation is: false [2020-11-30 00:53:06,742 INFO L270 CegarLoopResult]: At program point L785-4(lines 770 788) the Hoare annotation is: false [2020-11-30 00:53:06,742 INFO L270 CegarLoopResult]: At program point L785-5(lines 770 788) the Hoare annotation is: false [2020-11-30 00:53:06,742 INFO L270 CegarLoopResult]: At program point L93(lines 88 96) the Hoare annotation is: false [2020-11-30 00:53:06,743 INFO L270 CegarLoopResult]: At program point L93-1(lines 88 96) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 .cse4 .cse5) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-11-30 00:53:06,743 INFO L270 CegarLoopResult]: At program point L93-2(lines 88 96) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse2 .cse6 .cse7 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse7 .cse4 .cse5))) [2020-11-30 00:53:06,743 INFO L270 CegarLoopResult]: At program point L93-3(lines 88 96) the Hoare annotation is: false [2020-11-30 00:53:06,743 INFO L270 CegarLoopResult]: At program point L93-4(lines 88 96) the Hoare annotation is: false [2020-11-30 00:53:06,744 INFO L270 CegarLoopResult]: At program point L93-5(lines 88 96) the Hoare annotation is: false [2020-11-30 00:53:06,744 INFO L270 CegarLoopResult]: At program point L93-6(lines 88 96) the Hoare annotation is: false [2020-11-30 00:53:06,744 INFO L270 CegarLoopResult]: At program point L93-7(lines 88 96) the Hoare annotation is: false [2020-11-30 00:53:06,744 INFO L270 CegarLoopResult]: At program point L93-8(lines 88 96) the Hoare annotation is: false [2020-11-30 00:53:06,744 INFO L270 CegarLoopResult]: At program point L721(lines 714 724) the Hoare annotation is: false [2020-11-30 00:53:06,744 INFO L270 CegarLoopResult]: At program point L721-1(lines 714 724) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 .cse4 .cse5))) [2020-11-30 00:53:06,745 INFO L270 CegarLoopResult]: At program point L721-2(lines 714 724) the Hoare annotation is: false [2020-11-30 00:53:06,745 INFO L270 CegarLoopResult]: At program point L721-3(lines 714 724) the Hoare annotation is: false [2020-11-30 00:53:06,745 INFO L270 CegarLoopResult]: At program point L721-4(lines 714 724) the Hoare annotation is: false [2020-11-30 00:53:06,745 INFO L270 CegarLoopResult]: At program point L721-5(lines 714 724) the Hoare annotation is: false [2020-11-30 00:53:06,745 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:53:06,745 INFO L277 CegarLoopResult]: At program point L987(lines 968 990) the Hoare annotation is: true [2020-11-30 00:53:06,745 INFO L270 CegarLoopResult]: At program point L954(lines 950 956) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-11-30 00:53:06,745 INFO L270 CegarLoopResult]: At program point L890(lines 885 893) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-11-30 00:53:06,746 INFO L270 CegarLoopResult]: At program point L824(lines 819 826) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-11-30 00:53:06,746 INFO L274 CegarLoopResult]: For program point L659(lines 659 676) no Hoare annotation was computed. [2020-11-30 00:53:06,746 INFO L274 CegarLoopResult]: For program point L659-1(lines 659 676) no Hoare annotation was computed. [2020-11-30 00:53:06,746 INFO L274 CegarLoopResult]: For program point L659-2(lines 659 676) no Hoare annotation was computed. [2020-11-30 00:53:06,746 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:53:06,746 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:53:06,746 INFO L274 CegarLoopResult]: For program point L562(lines 562 575) no Hoare annotation was computed. [2020-11-30 00:53:06,746 INFO L274 CegarLoopResult]: For program point L133(lines 133 139) no Hoare annotation was computed. [2020-11-30 00:53:06,746 INFO L274 CegarLoopResult]: For program point L133-1(lines 133 139) no Hoare annotation was computed. [2020-11-30 00:53:06,746 INFO L274 CegarLoopResult]: For program point L133-2(lines 133 139) no Hoare annotation was computed. [2020-11-30 00:53:06,746 INFO L274 CegarLoopResult]: For program point L133-3(lines 133 139) no Hoare annotation was computed. [2020-11-30 00:53:06,746 INFO L274 CegarLoopResult]: For program point L133-4(lines 133 139) no Hoare annotation was computed. [2020-11-30 00:53:06,746 INFO L274 CegarLoopResult]: For program point L133-5(lines 133 139) no Hoare annotation was computed. [2020-11-30 00:53:06,746 INFO L274 CegarLoopResult]: For program point L68(lines 68 72) no Hoare annotation was computed. [2020-11-30 00:53:06,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:53:06 BoogieIcfgContainer [2020-11-30 00:53:06,799 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:53:06,800 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:53:06,800 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:53:06,800 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:53:06,801 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:52:50" (3/4) ... [2020-11-30 00:53:06,810 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:53:06,851 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-30 00:53:06,853 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-30 00:53:06,855 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-30 00:53:06,857 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 00:53:06,858 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 00:53:06,860 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:53:06,862 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:53:06,899 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-11-30 00:53:06,899 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-11-30 00:53:06,900 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-11-30 00:53:06,900 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((tmp == 1 && tmp == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) [2020-11-30 00:53:06,901 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((tmp == 1 && tmp == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) [2020-11-30 00:53:06,902 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) [2020-11-30 00:53:06,904 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) [2020-11-30 00:53:06,905 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-30 00:53:06,905 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-30 00:53:06,908 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-11-30 00:53:06,909 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-30 00:53:06,910 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && \result == 1) [2020-11-30 00:53:06,910 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-11-30 00:53:06,911 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && !(tmp___0 == 0)) && methaneLevelCritical == 1) && !(\result == 0)) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))) && \result == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((((((tmp == 1 && !(tmp___0 == 0)) && !(\result == 0)) && methaneLevelCritical == 0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))) && \result == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-30 00:53:06,912 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((tmp == 1 && methaneLevelCritical == 1) && tmp___0 == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((tmp == 1 && tmp___0 == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-30 00:53:06,926 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-30 00:53:06,926 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-30 00:53:07,047 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_32131474-5929-472b-ba3c-9b745ec7acdc/bin/uautomizer/witness.graphml [2020-11-30 00:53:07,048 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:53:07,049 INFO L168 Benchmark]: Toolchain (without parser) took 18516.03 ms. Allocated memory was 104.9 MB in the beginning and 327.2 MB in the end (delta: 222.3 MB). Free memory was 71.6 MB in the beginning and 291.8 MB in the end (delta: -220.2 MB). Peak memory consumption was 155.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:53:07,050 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 73.4 MB. Free memory was 31.3 MB in the beginning and 31.3 MB in the end (delta: 36.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:53:07,050 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.33 ms. Allocated memory is still 104.9 MB. Free memory was 71.4 MB in the beginning and 70.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:53:07,051 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.04 ms. Allocated memory is still 104.9 MB. Free memory was 70.2 MB in the beginning and 66.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:53:07,051 INFO L168 Benchmark]: Boogie Preprocessor took 61.41 ms. Allocated memory is still 104.9 MB. Free memory was 66.1 MB in the beginning and 63.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:53:07,052 INFO L168 Benchmark]: RCFGBuilder took 1368.04 ms. Allocated memory is still 104.9 MB. Free memory was 63.0 MB in the beginning and 39.2 MB in the end (delta: 23.8 MB). Peak memory consumption was 33.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:53:07,052 INFO L168 Benchmark]: TraceAbstraction took 16066.22 ms. Allocated memory was 130.0 MB in the beginning and 272.6 MB in the end (delta: 142.6 MB). Free memory was 104.6 MB in the beginning and 91.4 MB in the end (delta: 13.2 MB). Peak memory consumption was 165.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:53:07,053 INFO L168 Benchmark]: Witness Printer took 248.41 ms. Allocated memory was 272.6 MB in the beginning and 327.2 MB in the end (delta: 54.5 MB). Free memory was 91.4 MB in the beginning and 291.8 MB in the end (delta: -200.4 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:53:07,056 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 73.4 MB. Free memory was 31.3 MB in the beginning and 31.3 MB in the end (delta: 36.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 647.33 ms. Allocated memory is still 104.9 MB. Free memory was 71.4 MB in the beginning and 70.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 99.04 ms. Allocated memory is still 104.9 MB. Free memory was 70.2 MB in the beginning and 66.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.41 ms. Allocated memory is still 104.9 MB. Free memory was 66.1 MB in the beginning and 63.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1368.04 ms. Allocated memory is still 104.9 MB. Free memory was 63.0 MB in the beginning and 39.2 MB in the end (delta: 23.8 MB). Peak memory consumption was 33.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 16066.22 ms. Allocated memory was 130.0 MB in the beginning and 272.6 MB in the end (delta: 142.6 MB). Free memory was 104.6 MB in the beginning and 91.4 MB in the end (delta: 13.2 MB). Peak memory consumption was 165.1 MB. Max. memory is 16.1 GB. * Witness Printer took 248.41 ms. Allocated memory was 272.6 MB in the beginning and 327.2 MB in the end (delta: 54.5 MB). Free memory was 91.4 MB in the beginning and 291.8 MB in the end (delta: -200.4 MB). Peak memory consumption was 9.3 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: 789]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && !(tmp___0 == 0)) && methaneLevelCritical == 1) && !(\result == 0)) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))) && \result == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((((((tmp == 1 && !(tmp___0 == 0)) && !(\result == 0)) && methaneLevelCritical == 0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))) && \result == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: (((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((tmp == 1 && tmp == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: (((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((tmp == 1 && tmp == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && \result == 1) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((tmp == 1 && methaneLevelCritical == 1) && tmp___0 == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((tmp == 1 && tmp___0 == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 142 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.4s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1701 SDtfs, 2201 SDslu, 2659 SDs, 0 SdLazy, 377 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 274 GetRequests, 206 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=274occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 15 MinimizatonAttempts, 1601 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 189 NumberOfFragments, 1180 HoareAnnotationTreeSize, 56 FomulaSimplifications, 3341990 FormulaSimplificationTreeSizeReduction, 3.1s HoareSimplificationTime, 56 FomulaSimplificationsInter, 773773 FormulaSimplificationTreeSizeReductionInter, 6.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 821 NumberOfCodeBlocks, 821 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 804 ConstructedInterpolants, 0 QuantifiedInterpolants, 98025 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1044 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 246/290 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...