./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product04.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_9e16d6a3-6e4d-4a6d-92ee-371fe67721d3/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9e16d6a3-6e4d-4a6d-92ee-371fe67721d3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9e16d6a3-6e4d-4a6d-92ee-371fe67721d3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9e16d6a3-6e4d-4a6d-92ee-371fe67721d3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9e16d6a3-6e4d-4a6d-92ee-371fe67721d3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9e16d6a3-6e4d-4a6d-92ee-371fe67721d3/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 2ef680651bdd5006981e8c6524edc2b3eb658126 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:08:52,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:08:52,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:08:52,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:08:52,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:08:52,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:08:52,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:08:52,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:08:52,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:08:52,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:08:52,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:08:52,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:08:52,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:08:52,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:08:52,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:08:52,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:08:52,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:08:52,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:08:52,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:08:52,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:08:52,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:08:52,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:08:52,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:08:52,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:08:52,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:08:52,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:08:52,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:08:52,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:08:52,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:08:52,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:08:52,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:08:52,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:08:52,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:08:52,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:08:52,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:08:52,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:08:52,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:08:52,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:08:52,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:08:52,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:08:52,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:08:52,343 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9e16d6a3-6e4d-4a6d-92ee-371fe67721d3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:08:52,392 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:08:52,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:08:52,394 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:08:52,394 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:08:52,394 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:08:52,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:08:52,395 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:08:52,395 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:08:52,396 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:08:52,396 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:08:52,396 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:08:52,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:08:52,397 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:08:52,397 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:08:52,397 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:08:52,398 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:08:52,398 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:08:52,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:08:52,398 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:08:52,399 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:08:52,399 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:08:52,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:08:52,399 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:08:52,400 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:08:52,400 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:08:52,400 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:08:52,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:08:52,401 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:08:52,401 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:08:52,401 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_9e16d6a3-6e4d-4a6d-92ee-371fe67721d3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9e16d6a3-6e4d-4a6d-92ee-371fe67721d3/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ef680651bdd5006981e8c6524edc2b3eb658126 [2020-11-29 19:08:52,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:08:52,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:08:52,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:08:52,770 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:08:52,771 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:08:52,773 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9e16d6a3-6e4d-4a6d-92ee-371fe67721d3/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c [2020-11-29 19:08:52,844 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9e16d6a3-6e4d-4a6d-92ee-371fe67721d3/bin/uautomizer/data/628ec1c50/f7c11a2280ea4989a3e44aec51c67743/FLAGe1da24fb1 [2020-11-29 19:08:53,431 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:08:53,432 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9e16d6a3-6e4d-4a6d-92ee-371fe67721d3/sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c [2020-11-29 19:08:53,448 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9e16d6a3-6e4d-4a6d-92ee-371fe67721d3/bin/uautomizer/data/628ec1c50/f7c11a2280ea4989a3e44aec51c67743/FLAGe1da24fb1 [2020-11-29 19:08:53,740 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9e16d6a3-6e4d-4a6d-92ee-371fe67721d3/bin/uautomizer/data/628ec1c50/f7c11a2280ea4989a3e44aec51c67743 [2020-11-29 19:08:53,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:08:53,743 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:08:53,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:08:53,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:08:53,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:08:53,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:08:53" (1/1) ... [2020-11-29 19:08:53,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74ed4ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:08:53, skipping insertion in model container [2020-11-29 19:08:53,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:08:53" (1/1) ... [2020-11-29 19:08:53,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:08:53,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:08:54,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:08:54,124 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:08:54,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:08:54,230 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:08:54,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:08:54 WrapperNode [2020-11-29 19:08:54,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:08:54,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:08:54,233 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:08:54,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:08:54,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:08:54" (1/1) ... [2020-11-29 19:08:54,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:08:54" (1/1) ... [2020-11-29 19:08:54,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:08:54,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:08:54,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:08:54,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:08:54,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:08:54" (1/1) ... [2020-11-29 19:08:54,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:08:54" (1/1) ... [2020-11-29 19:08:54,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:08:54" (1/1) ... [2020-11-29 19:08:54,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:08:54" (1/1) ... [2020-11-29 19:08:54,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:08:54" (1/1) ... [2020-11-29 19:08:54,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:08:54" (1/1) ... [2020-11-29 19:08:54,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:08:54" (1/1) ... [2020-11-29 19:08:54,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:08:54,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:08:54,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:08:54,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:08:54,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:08:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9e16d6a3-6e4d-4a6d-92ee-371fe67721d3/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:08:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:08:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:08:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:08:54,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:08:55,411 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:08:55,411 INFO L298 CfgBuilder]: Removed 78 assume(true) statements. [2020-11-29 19:08:55,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:08:55 BoogieIcfgContainer [2020-11-29 19:08:55,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:08:55,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:08:55,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:08:55,420 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:08:55,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:08:53" (1/3) ... [2020-11-29 19:08:55,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62ebe648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:08:55, skipping insertion in model container [2020-11-29 19:08:55,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:08:54" (2/3) ... [2020-11-29 19:08:55,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62ebe648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:08:55, skipping insertion in model container [2020-11-29 19:08:55,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:08:55" (3/3) ... [2020-11-29 19:08:55,423 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product04.cil.c [2020-11-29 19:08:55,435 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:08:55,439 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-29 19:08:55,452 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-29 19:08:55,478 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:08:55,478 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:08:55,478 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:08:55,478 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:08:55,478 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:08:55,478 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:08:55,479 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:08:55,479 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:08:55,494 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2020-11-29 19:08:55,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 19:08:55,500 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:08:55,501 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:08:55,501 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:08:55,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:08:55,507 INFO L82 PathProgramCache]: Analyzing trace with hash -2113786432, now seen corresponding path program 1 times [2020-11-29 19:08:55,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:08:55,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79098313] [2020-11-29 19:08:55,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:08:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:08:55,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:08:55,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79098313] [2020-11-29 19:08:55,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:08:55,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:08:55,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336014413] [2020-11-29 19:08:55,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 19:08:55,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:08:55,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 19:08:55,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 19:08:55,804 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 2 states. [2020-11-29 19:08:55,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:08:55,836 INFO L93 Difference]: Finished difference Result 115 states and 170 transitions. [2020-11-29 19:08:55,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 19:08:55,837 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-29 19:08:55,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:08:55,846 INFO L225 Difference]: With dead ends: 115 [2020-11-29 19:08:55,846 INFO L226 Difference]: Without dead ends: 55 [2020-11-29 19:08:55,851 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 19:08:55,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-29 19:08:55,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-29 19:08:55,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-29 19:08:55,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2020-11-29 19:08:55,892 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2020-11-29 19:08:55,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:08:55,893 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2020-11-29 19:08:55,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 19:08:55,893 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2020-11-29 19:08:55,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 19:08:55,894 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:08:55,894 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:08:55,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:08:55,895 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:08:55,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:08:55,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1134423967, now seen corresponding path program 1 times [2020-11-29 19:08:55,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:08:55,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683028610] [2020-11-29 19:08:55,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:08:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:08:55,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:08:56,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683028610] [2020-11-29 19:08:56,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:08:56,000 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:08:56,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012673967] [2020-11-29 19:08:56,001 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:08:56,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:08:56,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:08:56,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:08:56,003 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2020-11-29 19:08:56,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:08:56,023 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2020-11-29 19:08:56,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:08:56,026 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-29 19:08:56,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:08:56,027 INFO L225 Difference]: With dead ends: 55 [2020-11-29 19:08:56,027 INFO L226 Difference]: Without dead ends: 29 [2020-11-29 19:08:56,028 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:08:56,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-29 19:08:56,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-29 19:08:56,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-29 19:08:56,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-11-29 19:08:56,036 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2020-11-29 19:08:56,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:08:56,036 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-11-29 19:08:56,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:08:56,037 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-11-29 19:08:56,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 19:08:56,037 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:08:56,038 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] [2020-11-29 19:08:56,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:08:56,038 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:08:56,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:08:56,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1160602349, now seen corresponding path program 1 times [2020-11-29 19:08:56,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:08:56,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123193313] [2020-11-29 19:08:56,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:08:56,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:08:56,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:08:56,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123193313] [2020-11-29 19:08:56,172 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:08:56,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:08:56,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702350233] [2020-11-29 19:08:56,173 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:08:56,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:08:56,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:08:56,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:08:56,174 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 3 states. [2020-11-29 19:08:56,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:08:56,205 INFO L93 Difference]: Finished difference Result 75 states and 108 transitions. [2020-11-29 19:08:56,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:08:56,206 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-11-29 19:08:56,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:08:56,207 INFO L225 Difference]: With dead ends: 75 [2020-11-29 19:08:56,207 INFO L226 Difference]: Without dead ends: 52 [2020-11-29 19:08:56,208 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:08:56,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-11-29 19:08:56,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2020-11-29 19:08:56,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-11-29 19:08:56,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2020-11-29 19:08:56,217 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2020-11-29 19:08:56,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:08:56,218 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2020-11-29 19:08:56,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:08:56,218 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2020-11-29 19:08:56,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 19:08:56,219 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:08:56,219 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] [2020-11-29 19:08:56,220 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 19:08:56,220 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:08:56,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:08:56,221 INFO L82 PathProgramCache]: Analyzing trace with hash 471853904, now seen corresponding path program 1 times [2020-11-29 19:08:56,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:08:56,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192396022] [2020-11-29 19:08:56,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:08:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:08:56,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:08:56,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192396022] [2020-11-29 19:08:56,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:08:56,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 19:08:56,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499938185] [2020-11-29 19:08:56,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 19:08:56,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:08:56,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:08:56,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:08:56,334 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 5 states. [2020-11-29 19:08:56,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:08:56,477 INFO L93 Difference]: Finished difference Result 169 states and 257 transitions. [2020-11-29 19:08:56,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 19:08:56,479 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-11-29 19:08:56,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:08:56,484 INFO L225 Difference]: With dead ends: 169 [2020-11-29 19:08:56,484 INFO L226 Difference]: Without dead ends: 127 [2020-11-29 19:08:56,485 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-29 19:08:56,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-11-29 19:08:56,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 84. [2020-11-29 19:08:56,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-11-29 19:08:56,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 119 transitions. [2020-11-29 19:08:56,512 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 119 transitions. Word has length 22 [2020-11-29 19:08:56,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:08:56,512 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 119 transitions. [2020-11-29 19:08:56,512 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 19:08:56,513 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 119 transitions. [2020-11-29 19:08:56,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 19:08:56,514 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:08:56,514 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] [2020-11-29 19:08:56,514 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 19:08:56,514 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:08:56,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:08:56,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1805520562, now seen corresponding path program 1 times [2020-11-29 19:08:56,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:08:56,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736270242] [2020-11-29 19:08:56,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:08:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:08:56,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:08:56,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736270242] [2020-11-29 19:08:56,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:08:56,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 19:08:56,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136995784] [2020-11-29 19:08:56,585 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 19:08:56,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:08:56,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:08:56,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:08:56,587 INFO L87 Difference]: Start difference. First operand 84 states and 119 transitions. Second operand 5 states. [2020-11-29 19:08:56,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:08:56,668 INFO L93 Difference]: Finished difference Result 220 states and 323 transitions. [2020-11-29 19:08:56,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 19:08:56,669 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-11-29 19:08:56,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:08:56,669 INFO L225 Difference]: With dead ends: 220 [2020-11-29 19:08:56,669 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 19:08:56,671 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:08:56,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 19:08:56,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 19:08:56,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 19:08:56,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 19:08:56,673 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-11-29 19:08:56,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:08:56,673 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:08:56,673 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 19:08:56,673 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:08:56,673 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:08:56,674 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 19:08:56,676 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 19:08:56,917 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 19:08:56,917 INFO L270 CegarLoopResult]: At program point L168(lines 1 869) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-29 19:08:56,917 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 19:08:56,918 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-29 19:08:56,918 INFO L274 CegarLoopResult]: For program point L449(lines 449 455) no Hoare annotation was computed. [2020-11-29 19:08:56,918 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-29 19:08:56,918 INFO L270 CegarLoopResult]: At program point L449-1(lines 278 284) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 19:08:56,918 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 19:08:56,918 INFO L270 CegarLoopResult]: At program point L285(lines 285 291) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 19:08:56,919 INFO L270 CegarLoopResult]: At program point L285-1(lines 285 291) the Hoare annotation is: false [2020-11-29 19:08:56,919 INFO L270 CegarLoopResult]: At program point L285-2(lines 285 291) the Hoare annotation is: false [2020-11-29 19:08:56,919 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-11-29 19:08:56,919 INFO L274 CegarLoopResult]: For program point L203(lines 203 207) no Hoare annotation was computed. [2020-11-29 19:08:56,919 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-29 19:08:56,919 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-29 19:08:56,920 INFO L270 CegarLoopResult]: At program point L337(lines 332 340) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 19:08:56,920 INFO L270 CegarLoopResult]: At program point L337-1(lines 332 340) the Hoare annotation is: false [2020-11-29 19:08:56,920 INFO L270 CegarLoopResult]: At program point L337-2(lines 332 340) the Hoare annotation is: false [2020-11-29 19:08:56,920 INFO L274 CegarLoopResult]: For program point L421(lines 421 427) no Hoare annotation was computed. [2020-11-29 19:08:56,920 INFO L270 CegarLoopResult]: At program point L421-1(lines 421 427) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 19:08:56,920 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 19:08:56,921 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-11-29 19:08:56,921 INFO L274 CegarLoopResult]: For program point L58-1(lines 278 284) no Hoare annotation was computed. [2020-11-29 19:08:56,921 INFO L277 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-11-29 19:08:56,924 INFO L274 CegarLoopResult]: For program point L191(lines 191 195) no Hoare annotation was computed. [2020-11-29 19:08:56,924 INFO L274 CegarLoopResult]: For program point L191-3(lines 191 195) no Hoare annotation was computed. [2020-11-29 19:08:56,924 INFO L274 CegarLoopResult]: For program point L191-6(lines 191 195) no Hoare annotation was computed. [2020-11-29 19:08:56,924 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 19:08:56,924 INFO L274 CegarLoopResult]: For program point L853(lines 853 866) no Hoare annotation was computed. [2020-11-29 19:08:56,925 INFO L270 CegarLoopResult]: At program point L853-1(lines 1 869) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 19:08:56,925 INFO L274 CegarLoopResult]: For program point L853-2(lines 853 866) no Hoare annotation was computed. [2020-11-29 19:08:56,927 INFO L270 CegarLoopResult]: At program point L853-3(lines 1 869) the Hoare annotation is: false [2020-11-29 19:08:56,928 INFO L274 CegarLoopResult]: For program point L853-4(lines 853 866) no Hoare annotation was computed. [2020-11-29 19:08:56,928 INFO L270 CegarLoopResult]: At program point L176(lines 171 179) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-29 19:08:56,928 INFO L270 CegarLoopResult]: At program point L853-5(lines 1 869) the Hoare annotation is: false [2020-11-29 19:08:56,928 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 19:08:56,929 INFO L274 CegarLoopResult]: For program point L441(lines 441 456) no Hoare annotation was computed. [2020-11-29 19:08:56,929 INFO L270 CegarLoopResult]: At program point L260(lines 255 263) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 19:08:56,929 INFO L270 CegarLoopResult]: At program point L260-1(lines 255 263) the Hoare annotation is: false [2020-11-29 19:08:56,929 INFO L270 CegarLoopResult]: At program point L260-2(lines 255 263) the Hoare annotation is: false [2020-11-29 19:08:56,929 INFO L270 CegarLoopResult]: At program point L278(lines 277 296) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 19:08:56,929 INFO L274 CegarLoopResult]: For program point L278-1(lines 278 284) no Hoare annotation was computed. [2020-11-29 19:08:56,930 INFO L270 CegarLoopResult]: At program point L278-2(lines 277 296) the Hoare annotation is: false [2020-11-29 19:08:56,930 INFO L270 CegarLoopResult]: At program point L278-3(lines 277 296) the Hoare annotation is: false [2020-11-29 19:08:56,930 INFO L274 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-11-29 19:08:56,930 INFO L274 CegarLoopResult]: For program point L840-1(line 840) no Hoare annotation was computed. [2020-11-29 19:08:56,930 INFO L274 CegarLoopResult]: For program point L840-2(line 840) no Hoare annotation was computed. [2020-11-29 19:08:56,930 INFO L274 CegarLoopResult]: For program point L857(lines 857 863) no Hoare annotation was computed. [2020-11-29 19:08:56,930 INFO L274 CegarLoopResult]: For program point L857-2(lines 857 863) no Hoare annotation was computed. [2020-11-29 19:08:56,931 INFO L274 CegarLoopResult]: For program point L857-4(lines 857 863) no Hoare annotation was computed. [2020-11-29 19:08:56,931 INFO L270 CegarLoopResult]: At program point L461(lines 410 462) the Hoare annotation is: false [2020-11-29 19:08:56,931 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 19:08:56,931 INFO L274 CegarLoopResult]: For program point L412(lines 411 460) no Hoare annotation was computed. [2020-11-29 19:08:56,931 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 19:08:56,931 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-11-29 19:08:56,932 INFO L277 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-11-29 19:08:56,932 INFO L274 CegarLoopResult]: For program point L413(lines 413 417) no Hoare annotation was computed. [2020-11-29 19:08:56,932 INFO L274 CegarLoopResult]: For program point L215(lines 215 219) no Hoare annotation was computed. [2020-11-29 19:08:56,932 INFO L274 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-11-29 19:08:56,932 INFO L270 CegarLoopResult]: At program point L381-1(lines 381 387) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 19:08:56,932 INFO L274 CegarLoopResult]: For program point L431(lines 431 437) no Hoare annotation was computed. [2020-11-29 19:08:56,932 INFO L270 CegarLoopResult]: At program point L431-1(lines 431 437) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 19:08:56,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:08:56 BoogieIcfgContainer [2020-11-29 19:08:56,956 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:08:56,957 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:08:56,958 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:08:56,958 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:08:56,958 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:08:55" (3/4) ... [2020-11-29 19:08:56,962 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:08:56,985 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-29 19:08:56,986 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-29 19:08:56,987 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-29 19:08:56,987 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 19:08:56,988 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 19:08:56,989 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:08:56,989 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:08:57,017 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-11-29 19:08:57,066 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9e16d6a3-6e4d-4a6d-92ee-371fe67721d3/bin/uautomizer/witness.graphml [2020-11-29 19:08:57,066 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:08:57,068 INFO L168 Benchmark]: Toolchain (without parser) took 3323.98 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 76.2 MB in the beginning and 75.3 MB in the end (delta: 876.0 kB). Peak memory consumption was 20.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:08:57,069 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 83.9 MB. Free memory was 41.4 MB in the beginning and 41.4 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:08:57,069 INFO L168 Benchmark]: CACSL2BoogieTranslator took 485.27 ms. Allocated memory is still 104.9 MB. Free memory was 76.2 MB in the beginning and 72.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:08:57,070 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.52 ms. Allocated memory is still 104.9 MB. Free memory was 72.9 MB in the beginning and 70.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:08:57,070 INFO L168 Benchmark]: Boogie Preprocessor took 41.67 ms. Allocated memory is still 104.9 MB. Free memory was 70.8 MB in the beginning and 68.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:08:57,071 INFO L168 Benchmark]: RCFGBuilder took 1062.31 ms. Allocated memory is still 104.9 MB. Free memory was 68.7 MB in the beginning and 74.2 MB in the end (delta: -5.6 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2020-11-29 19:08:57,071 INFO L168 Benchmark]: TraceAbstraction took 1540.69 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 73.6 MB in the beginning and 80.5 MB in the end (delta: -7.0 MB). Peak memory consumption was 47.9 MB. Max. memory is 16.1 GB. [2020-11-29 19:08:57,072 INFO L168 Benchmark]: Witness Printer took 109.36 ms. Allocated memory is still 125.8 MB. Free memory was 80.5 MB in the beginning and 75.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:08:57,074 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 83.9 MB. Free memory was 41.4 MB in the beginning and 41.4 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 485.27 ms. Allocated memory is still 104.9 MB. Free memory was 76.2 MB in the beginning and 72.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 76.52 ms. Allocated memory is still 104.9 MB. Free memory was 72.9 MB in the beginning and 70.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.67 ms. Allocated memory is still 104.9 MB. Free memory was 70.8 MB in the beginning and 68.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1062.31 ms. Allocated memory is still 104.9 MB. Free memory was 68.7 MB in the beginning and 74.2 MB in the end (delta: -5.6 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1540.69 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 73.6 MB in the beginning and 80.5 MB in the end (delta: -7.0 MB). Peak memory consumption was 47.9 MB. Max. memory is 16.1 GB. * Witness Printer took 109.36 ms. Allocated memory is still 125.8 MB. Free memory was 80.5 MB in the beginning and 75.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 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: 431]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 62 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 268 SDtfs, 256 SDslu, 230 SDs, 0 SdLazy, 52 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 47 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 88 NumberOfFragments, 110 HoareAnnotationTreeSize, 26 FomulaSimplifications, 1297 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 3675 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...