./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product19.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_fdff3c0c-6ef7-4cf2-b83d-ecfdf0202694/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fdff3c0c-6ef7-4cf2-b83d-ecfdf0202694/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fdff3c0c-6ef7-4cf2-b83d-ecfdf0202694/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fdff3c0c-6ef7-4cf2-b83d-ecfdf0202694/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fdff3c0c-6ef7-4cf2-b83d-ecfdf0202694/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fdff3c0c-6ef7-4cf2-b83d-ecfdf0202694/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 1a701515fb5a246fd69af11a72b1e3fa96a75d92 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:33:04,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:33:04,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:33:04,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:33:04,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:33:04,798 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:33:04,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:33:04,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:33:04,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:33:04,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:33:04,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:33:04,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:33:04,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:33:04,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:33:04,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:33:04,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:33:04,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:33:04,818 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:33:04,820 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:33:04,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:33:04,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:33:04,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:33:04,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:33:04,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:33:04,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:33:04,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:33:04,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:33:04,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:33:04,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:33:04,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:33:04,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:33:04,839 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:33:04,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:33:04,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:33:04,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:33:04,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:33:04,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:33:04,845 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:33:04,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:33:04,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:33:04,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:33:04,849 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fdff3c0c-6ef7-4cf2-b83d-ecfdf0202694/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:33:04,875 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:33:04,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:33:04,876 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:33:04,877 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:33:04,877 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:33:04,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:33:04,878 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:33:04,878 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:33:04,878 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:33:04,878 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:33:04,879 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:33:04,879 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:33:04,879 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:33:04,879 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:33:04,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:33:04,880 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:33:04,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:33:04,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:33:04,881 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:33:04,881 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:33:04,881 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:33:04,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:33:04,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:33:04,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:33:04,883 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:33:04,883 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:33:04,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:33:04,883 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:33:04,884 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:33:04,884 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_fdff3c0c-6ef7-4cf2-b83d-ecfdf0202694/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fdff3c0c-6ef7-4cf2-b83d-ecfdf0202694/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a701515fb5a246fd69af11a72b1e3fa96a75d92 [2020-11-30 00:33:05,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:33:05,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:33:05,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:33:05,254 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:33:05,259 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:33:05,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fdff3c0c-6ef7-4cf2-b83d-ecfdf0202694/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c [2020-11-30 00:33:05,366 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fdff3c0c-6ef7-4cf2-b83d-ecfdf0202694/bin/uautomizer/data/06edcc2bc/cd2d63bc65f84e1ab2a65891b96d3b01/FLAGa382ad705 [2020-11-30 00:33:06,007 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:33:06,011 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fdff3c0c-6ef7-4cf2-b83d-ecfdf0202694/sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c [2020-11-30 00:33:06,034 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fdff3c0c-6ef7-4cf2-b83d-ecfdf0202694/bin/uautomizer/data/06edcc2bc/cd2d63bc65f84e1ab2a65891b96d3b01/FLAGa382ad705 [2020-11-30 00:33:06,274 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fdff3c0c-6ef7-4cf2-b83d-ecfdf0202694/bin/uautomizer/data/06edcc2bc/cd2d63bc65f84e1ab2a65891b96d3b01 [2020-11-30 00:33:06,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:33:06,278 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:33:06,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:33:06,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:33:06,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:33:06,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:33:06" (1/1) ... [2020-11-30 00:33:06,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@190175e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:06, skipping insertion in model container [2020-11-30 00:33:06,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:33:06" (1/1) ... [2020-11-30 00:33:06,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:33:06,341 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:33:06,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:33:06,685 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:33:06,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:33:06,794 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:33:06,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:06 WrapperNode [2020-11-30 00:33:06,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:33:06,796 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:33:06,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:33:06,797 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:33:06,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:06" (1/1) ... [2020-11-30 00:33:06,824 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:06" (1/1) ... [2020-11-30 00:33:06,864 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:33:06,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:33:06,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:33:06,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:33:06,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:06" (1/1) ... [2020-11-30 00:33:06,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:06" (1/1) ... [2020-11-30 00:33:06,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:06" (1/1) ... [2020-11-30 00:33:06,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:06" (1/1) ... [2020-11-30 00:33:06,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:06" (1/1) ... [2020-11-30 00:33:06,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:06" (1/1) ... [2020-11-30 00:33:06,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:06" (1/1) ... [2020-11-30 00:33:06,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:33:06,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:33:06,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:33:06,909 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:33:06,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fdff3c0c-6ef7-4cf2-b83d-ecfdf0202694/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 00:33:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:33:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:33:07,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:33:07,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:33:08,266 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:33:08,266 INFO L298 CfgBuilder]: Removed 106 assume(true) statements. [2020-11-30 00:33:08,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:33:08 BoogieIcfgContainer [2020-11-30 00:33:08,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:33:08,273 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:33:08,274 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:33:08,278 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:33:08,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:33:06" (1/3) ... [2020-11-30 00:33:08,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a79181d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:33:08, skipping insertion in model container [2020-11-30 00:33:08,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:06" (2/3) ... [2020-11-30 00:33:08,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a79181d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:33:08, skipping insertion in model container [2020-11-30 00:33:08,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:33:08" (3/3) ... [2020-11-30 00:33:08,283 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product19.cil.c [2020-11-30 00:33:08,294 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:33:08,299 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-30 00:33:08,312 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-30 00:33:08,352 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:33:08,352 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:33:08,352 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:33:08,353 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:33:08,353 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:33:08,353 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:33:08,354 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:33:08,354 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:33:08,379 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2020-11-30 00:33:08,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 00:33:08,387 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:33:08,388 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:33:08,389 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:33:08,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:33:08,398 INFO L82 PathProgramCache]: Analyzing trace with hash 91881395, now seen corresponding path program 1 times [2020-11-30 00:33:08,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:33:08,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692872637] [2020-11-30 00:33:08,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:33:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:08,798 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 00:33:08,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692872637] [2020-11-30 00:33:08,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:33:08,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:33:08,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467287167] [2020-11-30 00:33:08,807 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:33:08,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:33:08,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:33:08,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:33:08,826 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2020-11-30 00:33:08,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:33:08,861 INFO L93 Difference]: Finished difference Result 151 states and 224 transitions. [2020-11-30 00:33:08,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:33:08,863 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-30 00:33:08,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:33:08,874 INFO L225 Difference]: With dead ends: 151 [2020-11-30 00:33:08,875 INFO L226 Difference]: Without dead ends: 73 [2020-11-30 00:33:08,878 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 00:33:08,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-11-30 00:33:08,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-11-30 00:33:08,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-11-30 00:33:08,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2020-11-30 00:33:08,923 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2020-11-30 00:33:08,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:33:08,923 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2020-11-30 00:33:08,924 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:33:08,924 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-11-30 00:33:08,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 00:33:08,925 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:33:08,925 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:33:08,926 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:33:08,926 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:33:08,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:33:08,927 INFO L82 PathProgramCache]: Analyzing trace with hash -954875502, now seen corresponding path program 1 times [2020-11-30 00:33:08,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:33:08,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003952934] [2020-11-30 00:33:08,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:33:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:09,056 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 00:33:09,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003952934] [2020-11-30 00:33:09,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:33:09,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:33:09,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760600059] [2020-11-30 00:33:09,058 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:33:09,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:33:09,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:33:09,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:33:09,060 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2020-11-30 00:33:09,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:33:09,081 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2020-11-30 00:33:09,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:33:09,082 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-30 00:33:09,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:33:09,083 INFO L225 Difference]: With dead ends: 73 [2020-11-30 00:33:09,083 INFO L226 Difference]: Without dead ends: 35 [2020-11-30 00:33:09,084 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 00:33:09,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-30 00:33:09,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-30 00:33:09,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-30 00:33:09,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-11-30 00:33:09,090 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2020-11-30 00:33:09,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:33:09,090 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-11-30 00:33:09,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:33:09,091 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-11-30 00:33:09,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 00:33:09,091 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:33:09,092 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] [2020-11-30 00:33:09,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:33:09,092 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:33:09,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:33:09,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1451070739, now seen corresponding path program 1 times [2020-11-30 00:33:09,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:33:09,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105550195] [2020-11-30 00:33:09,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:33:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:09,199 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 00:33:09,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105550195] [2020-11-30 00:33:09,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:33:09,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 00:33:09,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896539178] [2020-11-30 00:33:09,200 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 00:33:09,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:33:09,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 00:33:09,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:33:09,202 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 6 states. [2020-11-30 00:33:09,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:33:09,400 INFO L93 Difference]: Finished difference Result 116 states and 169 transitions. [2020-11-30 00:33:09,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 00:33:09,401 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-11-30 00:33:09,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:33:09,403 INFO L225 Difference]: With dead ends: 116 [2020-11-30 00:33:09,403 INFO L226 Difference]: Without dead ends: 87 [2020-11-30 00:33:09,404 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-30 00:33:09,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-11-30 00:33:09,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 54. [2020-11-30 00:33:09,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-11-30 00:33:09,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2020-11-30 00:33:09,429 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2020-11-30 00:33:09,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:33:09,429 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2020-11-30 00:33:09,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 00:33:09,430 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2020-11-30 00:33:09,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 00:33:09,433 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:33:09,433 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] [2020-11-30 00:33:09,433 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:33:09,434 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:33:09,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:33:09,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1281905457, now seen corresponding path program 1 times [2020-11-30 00:33:09,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:33:09,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372857576] [2020-11-30 00:33:09,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:33:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:09,624 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 00:33:09,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372857576] [2020-11-30 00:33:09,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:33:09,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-30 00:33:09,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192544044] [2020-11-30 00:33:09,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-30 00:33:09,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:33:09,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-30 00:33:09,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-11-30 00:33:09,627 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand 8 states. [2020-11-30 00:33:10,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:33:10,155 INFO L93 Difference]: Finished difference Result 335 states and 516 transitions. [2020-11-30 00:33:10,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-30 00:33:10,156 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-11-30 00:33:10,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:33:10,161 INFO L225 Difference]: With dead ends: 335 [2020-11-30 00:33:10,164 INFO L226 Difference]: Without dead ends: 287 [2020-11-30 00:33:10,166 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-11-30 00:33:10,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-11-30 00:33:10,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 136. [2020-11-30 00:33:10,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-11-30 00:33:10,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 196 transitions. [2020-11-30 00:33:10,209 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 196 transitions. Word has length 23 [2020-11-30 00:33:10,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:33:10,210 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 196 transitions. [2020-11-30 00:33:10,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-30 00:33:10,210 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 196 transitions. [2020-11-30 00:33:10,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 00:33:10,217 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:33:10,218 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 00:33:10,218 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:33:10,218 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:33:10,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:33:10,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1402731609, now seen corresponding path program 1 times [2020-11-30 00:33:10,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:33:10,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049293262] [2020-11-30 00:33:10,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:33:10,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:10,320 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 00:33:10,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049293262] [2020-11-30 00:33:10,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:33:10,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:33:10,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134387389] [2020-11-30 00:33:10,321 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:33:10,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:33:10,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:33:10,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:33:10,322 INFO L87 Difference]: Start difference. First operand 136 states and 196 transitions. Second operand 3 states. [2020-11-30 00:33:10,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:33:10,370 INFO L93 Difference]: Finished difference Result 245 states and 355 transitions. [2020-11-30 00:33:10,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:33:10,371 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-30 00:33:10,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:33:10,373 INFO L225 Difference]: With dead ends: 245 [2020-11-30 00:33:10,373 INFO L226 Difference]: Without dead ends: 115 [2020-11-30 00:33:10,374 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 00:33:10,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-11-30 00:33:10,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-11-30 00:33:10,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-11-30 00:33:10,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 153 transitions. [2020-11-30 00:33:10,421 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 153 transitions. Word has length 24 [2020-11-30 00:33:10,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:33:10,422 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 153 transitions. [2020-11-30 00:33:10,423 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:33:10,423 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2020-11-30 00:33:10,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-30 00:33:10,424 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:33:10,424 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-30 00:33:10,425 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 00:33:10,425 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:33:10,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:33:10,425 INFO L82 PathProgramCache]: Analyzing trace with hash 753245934, now seen corresponding path program 1 times [2020-11-30 00:33:10,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:33:10,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114675661] [2020-11-30 00:33:10,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:33:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:10,491 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:10,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114675661] [2020-11-30 00:33:10,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752065850] [2020-11-30 00:33:10,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fdff3c0c-6ef7-4cf2-b83d-ecfdf0202694/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 00:33:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:10,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 00:33:10,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:33:10,687 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:10,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:33:10,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2020-11-30 00:33:10,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606465686] [2020-11-30 00:33:10,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:33:10,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:33:10,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:33:10,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:33:10,689 INFO L87 Difference]: Start difference. First operand 115 states and 153 transitions. Second operand 4 states. [2020-11-30 00:33:10,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:33:10,759 INFO L93 Difference]: Finished difference Result 150 states and 201 transitions. [2020-11-30 00:33:10,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:33:10,760 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2020-11-30 00:33:10,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:33:10,760 INFO L225 Difference]: With dead ends: 150 [2020-11-30 00:33:10,760 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:33:10,761 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 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 00:33:10,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:33:10,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:33:10,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:33:10,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:33:10,762 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2020-11-30 00:33:10,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:33:10,764 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:33:10,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:33:10,765 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:33:10,765 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:33:10,966 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-11-30 00:33:10,968 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:33:11,284 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 28 [2020-11-30 00:33:11,432 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2020-11-30 00:33:11,682 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 28 [2020-11-30 00:33:12,039 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:33:12,039 INFO L270 CegarLoopResult]: At program point L746(lines 697 747) the Hoare annotation is: false [2020-11-30 00:33:12,039 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 00:33:12,039 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 00:33:12,039 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-30 00:33:12,040 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:33:12,040 INFO L270 CegarLoopResult]: At program point L499(lines 494 502) the Hoare annotation is: false [2020-11-30 00:33:12,040 INFO L270 CegarLoopResult]: At program point L499-1(lines 494 502) the Hoare annotation is: false [2020-11-30 00:33:12,040 INFO L274 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2020-11-30 00:33:12,040 INFO L270 CegarLoopResult]: At program point L499-2(lines 494 502) the Hoare annotation is: false [2020-11-30 00:33:12,040 INFO L270 CegarLoopResult]: At program point L814(lines 810 816) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-30 00:33:12,040 INFO L274 CegarLoopResult]: For program point L682(line 682) no Hoare annotation was computed. [2020-11-30 00:33:12,040 INFO L274 CegarLoopResult]: For program point L682-1(line 682) no Hoare annotation was computed. [2020-11-30 00:33:12,040 INFO L274 CegarLoopResult]: For program point L682-2(line 682) no Hoare annotation was computed. [2020-11-30 00:33:12,041 INFO L274 CegarLoopResult]: For program point L550(lines 550 567) no Hoare annotation was computed. [2020-11-30 00:33:12,041 INFO L274 CegarLoopResult]: For program point L550-1(lines 550 567) no Hoare annotation was computed. [2020-11-30 00:33:12,041 INFO L274 CegarLoopResult]: For program point L550-2(lines 550 567) no Hoare annotation was computed. [2020-11-30 00:33:12,041 INFO L274 CegarLoopResult]: For program point L897(lines 897 910) no Hoare annotation was computed. [2020-11-30 00:33:12,041 INFO L270 CegarLoopResult]: At program point L897-1(lines 1 913) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse4 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse5 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse5 .cse2 .cse3 (<= 1 ~waterLevel~0)) (and .cse4 (<= 2 ~waterLevel~0) .cse5 .cse2 .cse3))) [2020-11-30 00:33:12,041 INFO L274 CegarLoopResult]: For program point L897-2(lines 897 910) no Hoare annotation was computed. [2020-11-30 00:33:12,041 INFO L270 CegarLoopResult]: At program point L897-3(lines 1 913) the Hoare annotation is: false [2020-11-30 00:33:12,042 INFO L274 CegarLoopResult]: For program point L897-4(lines 897 910) no Hoare annotation was computed. [2020-11-30 00:33:12,042 INFO L270 CegarLoopResult]: At program point L897-5(lines 1 913) the Hoare annotation is: false [2020-11-30 00:33:12,042 INFO L274 CegarLoopResult]: For program point L699(lines 698 745) no Hoare annotation was computed. [2020-11-30 00:33:12,042 INFO L274 CegarLoopResult]: For program point L666(lines 666 672) no Hoare annotation was computed. [2020-11-30 00:33:12,042 INFO L270 CegarLoopResult]: At program point L666-1(lines 666 672) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2020-11-30 00:33:12,042 INFO L270 CegarLoopResult]: At program point L518(lines 517 536) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2020-11-30 00:33:12,042 INFO L274 CegarLoopResult]: For program point L518-1(lines 518 524) no Hoare annotation was computed. [2020-11-30 00:33:12,042 INFO L270 CegarLoopResult]: At program point L518-2(lines 517 536) the Hoare annotation is: false [2020-11-30 00:33:12,043 INFO L270 CegarLoopResult]: At program point L518-3(lines 517 536) the Hoare annotation is: false [2020-11-30 00:33:12,043 INFO L274 CegarLoopResult]: For program point L700(lines 700 704) no Hoare annotation was computed. [2020-11-30 00:33:12,045 INFO L270 CegarLoopResult]: At program point L766-2(lines 766 780) the Hoare annotation is: false [2020-11-30 00:33:12,046 INFO L277 CegarLoopResult]: At program point L849(lines 830 852) the Hoare annotation is: true [2020-11-30 00:33:12,046 INFO L274 CegarLoopResult]: For program point L767(line 767) no Hoare annotation was computed. [2020-11-30 00:33:12,047 INFO L274 CegarLoopResult]: For program point L734(lines 734 740) no Hoare annotation was computed. [2020-11-30 00:33:12,047 INFO L270 CegarLoopResult]: At program point L734-1(lines 518 524) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2020-11-30 00:33:12,047 INFO L274 CegarLoopResult]: For program point L718(lines 718 724) no Hoare annotation was computed. [2020-11-30 00:33:12,047 INFO L270 CegarLoopResult]: At program point L718-1(lines 718 724) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse2 .cse3 (not (= 0 ~systemActive~0)) .cse0 .cse1 .cse4) (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse2 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 0)) .cse0 .cse1 .cse4))) [2020-11-30 00:33:12,048 INFO L274 CegarLoopResult]: For program point L652(lines 652 656) no Hoare annotation was computed. [2020-11-30 00:33:12,048 INFO L274 CegarLoopResult]: For program point L652-2(lines 652 656) no Hoare annotation was computed. [2020-11-30 00:33:12,048 INFO L274 CegarLoopResult]: For program point L652-3(lines 652 656) no Hoare annotation was computed. [2020-11-30 00:33:12,048 INFO L274 CegarLoopResult]: For program point L652-5(lines 652 656) no Hoare annotation was computed. [2020-11-30 00:33:12,049 INFO L274 CegarLoopResult]: For program point L652-6(lines 652 656) no Hoare annotation was computed. [2020-11-30 00:33:12,049 INFO L274 CegarLoopResult]: For program point L421(lines 421 425) no Hoare annotation was computed. [2020-11-30 00:33:12,049 INFO L274 CegarLoopResult]: For program point L652-8(lines 652 656) no Hoare annotation was computed. [2020-11-30 00:33:12,049 INFO L274 CegarLoopResult]: For program point L421-3(lines 421 425) no Hoare annotation was computed. [2020-11-30 00:33:12,049 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:33:12,049 INFO L274 CegarLoopResult]: For program point L421-6(lines 421 425) no Hoare annotation was computed. [2020-11-30 00:33:12,050 INFO L270 CegarLoopResult]: At program point L603(lines 598 606) the Hoare annotation is: false [2020-11-30 00:33:12,050 INFO L270 CegarLoopResult]: At program point L603-1(lines 598 606) the Hoare annotation is: false [2020-11-30 00:33:12,050 INFO L270 CegarLoopResult]: At program point L603-2(lines 598 606) the Hoare annotation is: false [2020-11-30 00:33:12,050 INFO L270 CegarLoopResult]: At program point L884(lines 879 887) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-30 00:33:12,050 INFO L274 CegarLoopResult]: For program point L554(lines 554 562) no Hoare annotation was computed. [2020-11-30 00:33:12,051 INFO L274 CegarLoopResult]: For program point L554-1(lines 554 562) no Hoare annotation was computed. [2020-11-30 00:33:12,051 INFO L274 CegarLoopResult]: For program point L554-2(lines 554 562) no Hoare annotation was computed. [2020-11-30 00:33:12,051 INFO L274 CegarLoopResult]: For program point L901(lines 901 907) no Hoare annotation was computed. [2020-11-30 00:33:12,051 INFO L274 CegarLoopResult]: For program point L901-2(lines 901 907) no Hoare annotation was computed. [2020-11-30 00:33:12,051 INFO L274 CegarLoopResult]: For program point L901-4(lines 901 907) no Hoare annotation was computed. [2020-11-30 00:33:12,051 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:33:12,052 INFO L274 CegarLoopResult]: For program point L770(lines 770 774) no Hoare annotation was computed. [2020-11-30 00:33:12,052 INFO L274 CegarLoopResult]: For program point L770-1(lines 518 524) no Hoare annotation was computed. [2020-11-30 00:33:12,052 INFO L270 CegarLoopResult]: At program point L490(lines 485 493) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse1 .cse2 (<= 1 ~waterLevel~0)))) [2020-11-30 00:33:12,052 INFO L270 CegarLoopResult]: At program point L490-1(lines 485 493) the Hoare annotation is: false [2020-11-30 00:33:12,053 INFO L270 CegarLoopResult]: At program point L490-2(lines 485 493) the Hoare annotation is: false [2020-11-30 00:33:12,053 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:33:12,053 INFO L270 CegarLoopResult]: At program point L525(lines 525 531) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2020-11-30 00:33:12,054 INFO L270 CegarLoopResult]: At program point L525-1(lines 525 531) the Hoare annotation is: false [2020-11-30 00:33:12,055 INFO L270 CegarLoopResult]: At program point L525-2(lines 525 531) the Hoare annotation is: false [2020-11-30 00:33:12,055 INFO L270 CegarLoopResult]: At program point L658(lines 643 661) the Hoare annotation is: false [2020-11-30 00:33:12,055 INFO L270 CegarLoopResult]: At program point L658-1(lines 643 661) the Hoare annotation is: false [2020-11-30 00:33:12,055 INFO L270 CegarLoopResult]: At program point L658-2(lines 643 661) the Hoare annotation is: false [2020-11-30 00:33:12,056 INFO L274 CegarLoopResult]: For program point L840(lines 840 847) no Hoare annotation was computed. [2020-11-30 00:33:12,056 INFO L277 CegarLoopResult]: At program point L840-1(lines 840 847) the Hoare annotation is: true [2020-11-30 00:33:12,056 INFO L274 CegarLoopResult]: For program point L708(lines 708 714) no Hoare annotation was computed. [2020-11-30 00:33:12,056 INFO L270 CegarLoopResult]: At program point L708-1(lines 708 714) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse2 .cse3 (not (= 0 ~systemActive~0)) .cse0 .cse1 .cse4) (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse2 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 0)) .cse0 .cse1 .cse4))) [2020-11-30 00:33:12,056 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:33:12,057 INFO L274 CegarLoopResult]: For program point L445(lines 445 449) no Hoare annotation was computed. [2020-11-30 00:33:12,057 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:33:12,057 INFO L270 CegarLoopResult]: At program point L876(lines 1 913) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-30 00:33:12,057 INFO L274 CegarLoopResult]: For program point L728(lines 728 741) no Hoare annotation was computed. [2020-11-30 00:33:12,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:33:12 BoogieIcfgContainer [2020-11-30 00:33:12,098 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:33:12,099 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:33:12,099 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:33:12,099 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:33:12,100 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:33:08" (3/4) ... [2020-11-30 00:33:12,103 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:33:12,125 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-30 00:33:12,126 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-30 00:33:12,127 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-30 00:33:12,128 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 00:33:12,128 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 00:33:12,129 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:33:12,130 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:33:12,158 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == systemActive && \result == waterLevel) && 1 == systemActive) && pumpRunning == 0 [2020-11-30 00:33:12,158 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == waterLevel && \result == systemActive) && \result == waterLevel) && 1 == systemActive) && pumpRunning == 0 [2020-11-30 00:33:12,159 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel == 1 && tmp == waterLevel) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) || ((((((!(\result == 0) && tmp == waterLevel) && \result == waterLevel) && !(tmp == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((!(\result == 0) && 2 <= waterLevel) && !(tmp == 0)) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-30 00:33:12,160 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || (((((tmp == waterLevel && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((((!(\result == 0) && tmp == waterLevel) && \result == waterLevel) && !(tmp == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-30 00:33:12,160 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || (((((tmp == waterLevel && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((((!(\result == 0) && tmp == waterLevel) && \result == waterLevel) && !(tmp == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-30 00:33:12,161 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((tmp == waterLevel && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-30 00:33:12,162 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((tmp == waterLevel && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-30 00:33:12,163 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((tmp == waterLevel && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-30 00:33:12,163 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((tmp == waterLevel && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-30 00:33:12,165 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(\result == 0) && tmp == waterLevel) && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-30 00:33:12,245 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fdff3c0c-6ef7-4cf2-b83d-ecfdf0202694/bin/uautomizer/witness.graphml [2020-11-30 00:33:12,245 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:33:12,246 INFO L168 Benchmark]: Toolchain (without parser) took 5967.78 ms. Allocated memory was 79.7 MB in the beginning and 123.7 MB in the end (delta: 44.0 MB). Free memory was 45.4 MB in the beginning and 47.9 MB in the end (delta: -2.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:33:12,246 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 79.7 MB. Free memory was 52.3 MB in the beginning and 52.3 MB in the end (delta: 31.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:33:12,247 INFO L168 Benchmark]: CACSL2BoogieTranslator took 515.71 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 45.2 MB in the beginning and 64.2 MB in the end (delta: -19.1 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:33:12,248 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.32 ms. Allocated memory is still 96.5 MB. Free memory was 64.2 MB in the beginning and 61.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:33:12,251 INFO L168 Benchmark]: Boogie Preprocessor took 42.79 ms. Allocated memory is still 96.5 MB. Free memory was 61.2 MB in the beginning and 59.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:33:12,252 INFO L168 Benchmark]: RCFGBuilder took 1360.46 ms. Allocated memory is still 96.5 MB. Free memory was 59.1 MB in the beginning and 68.7 MB in the end (delta: -9.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:33:12,252 INFO L168 Benchmark]: TraceAbstraction took 3824.79 ms. Allocated memory was 96.5 MB in the beginning and 123.7 MB in the end (delta: 27.3 MB). Free memory was 68.1 MB in the beginning and 55.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 56.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:33:12,253 INFO L168 Benchmark]: Witness Printer took 146.53 ms. Allocated memory is still 123.7 MB. Free memory was 55.3 MB in the beginning and 47.9 MB in the end (delta: 7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:33:12,255 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 79.7 MB. Free memory was 52.3 MB in the beginning and 52.3 MB in the end (delta: 31.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 515.71 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 45.2 MB in the beginning and 64.2 MB in the end (delta: -19.1 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 68.32 ms. Allocated memory is still 96.5 MB. Free memory was 64.2 MB in the beginning and 61.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.79 ms. Allocated memory is still 96.5 MB. Free memory was 61.2 MB in the beginning and 59.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1360.46 ms. Allocated memory is still 96.5 MB. Free memory was 59.1 MB in the beginning and 68.7 MB in the end (delta: -9.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3824.79 ms. Allocated memory was 96.5 MB in the beginning and 123.7 MB in the end (delta: 27.3 MB). Free memory was 68.1 MB in the beginning and 55.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 56.5 MB. Max. memory is 16.1 GB. * Witness Printer took 146.53 ms. Allocated memory is still 123.7 MB. Free memory was 55.3 MB in the beginning and 47.9 MB in the end (delta: 7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || (((((tmp == waterLevel && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((((!(\result == 0) && tmp == waterLevel) && \result == waterLevel) && !(tmp == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((waterLevel == 1 && tmp == waterLevel) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) || ((((((!(\result == 0) && tmp == waterLevel) && \result == waterLevel) && !(tmp == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((!(\result == 0) && 2 <= waterLevel) && !(tmp == 0)) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((tmp == waterLevel && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: (((tmp == waterLevel && \result == systemActive) && \result == waterLevel) && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || (((((tmp == waterLevel && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((((!(\result == 0) && tmp == waterLevel) && \result == waterLevel) && !(tmp == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((tmp == waterLevel && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: (((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(\result == 0) && tmp == waterLevel) && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: ((\result == systemActive && \result == waterLevel) && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((tmp == waterLevel && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 840]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((tmp == waterLevel && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 80 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.6s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 355 SDtfs, 629 SDslu, 641 SDs, 0 SdLazy, 120 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 184 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 64 NumberOfFragments, 376 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1373 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 128 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 173 ConstructedInterpolants, 0 QuantifiedInterpolants, 11358 SizeOfPredicates, 0 NumberOfNonLiveVariables, 374 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 25/30 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...