./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f46fb9-9360-4994-95d8-ca9df8093115/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f46fb9-9360-4994-95d8-ca9df8093115/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f46fb9-9360-4994-95d8-ca9df8093115/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f46fb9-9360-4994-95d8-ca9df8093115/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f46fb9-9360-4994-95d8-ca9df8093115/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f46fb9-9360-4994-95d8-ca9df8093115/bin/uautomizer-Z5i5R5N3CC --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 b71d0221e52ad3170b58f60abcb38413b01772c1 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:33:47,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:33:47,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:33:47,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:33:47,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:33:47,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:33:47,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:33:47,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:33:47,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:33:47,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:33:47,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:33:47,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:33:47,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:33:47,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:33:47,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:33:47,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:33:47,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:33:47,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:33:47,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:33:47,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:33:47,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:33:47,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:33:47,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:33:47,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:33:47,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:33:47,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:33:47,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:33:47,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:33:47,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:33:47,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:33:47,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:33:47,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:33:47,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:33:47,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:33:47,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:33:47,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:33:47,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:33:47,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:33:47,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:33:47,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:33:47,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:33:47,264 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f46fb9-9360-4994-95d8-ca9df8093115/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:33:47,295 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:33:47,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:33:47,297 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:33:47,297 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:33:47,298 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:33:47,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:33:47,298 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:33:47,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:33:47,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:33:47,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:33:47,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:33:47,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:33:47,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:33:47,300 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:33:47,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:33:47,300 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:33:47,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:33:47,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:33:47,301 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:33:47,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:33:47,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:33:47,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:33:47,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:33:47,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:33:47,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:33:47,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:33:47,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:33:47,303 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:33:47,304 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_worker_vcloud-master_on_vcloud-master/run_dir_49f46fb9-9360-4994-95d8-ca9df8093115/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f46fb9-9360-4994-95d8-ca9df8093115/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b71d0221e52ad3170b58f60abcb38413b01772c1 [2021-10-11 00:33:47,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:33:47,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:33:47,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:33:47,576 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:33:47,577 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:33:47,578 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f46fb9-9360-4994-95d8-ca9df8093115/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2021-10-11 00:33:47,657 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f46fb9-9360-4994-95d8-ca9df8093115/bin/uautomizer-Z5i5R5N3CC/data/6930c2b77/b7146b909e104c8f842560b000b60b4f/FLAG65db6e963 [2021-10-11 00:33:48,194 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:33:48,201 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f46fb9-9360-4994-95d8-ca9df8093115/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2021-10-11 00:33:48,223 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f46fb9-9360-4994-95d8-ca9df8093115/bin/uautomizer-Z5i5R5N3CC/data/6930c2b77/b7146b909e104c8f842560b000b60b4f/FLAG65db6e963 [2021-10-11 00:33:48,526 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f46fb9-9360-4994-95d8-ca9df8093115/bin/uautomizer-Z5i5R5N3CC/data/6930c2b77/b7146b909e104c8f842560b000b60b4f [2021-10-11 00:33:48,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:33:48,530 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:33:48,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:33:48,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:33:48,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:33:48,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:33:48" (1/1) ... [2021-10-11 00:33:48,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e4757db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:48, skipping insertion in model container [2021-10-11 00:33:48,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:33:48" (1/1) ... [2021-10-11 00:33:48,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:33:48,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:33:48,823 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f46fb9-9360-4994-95d8-ca9df8093115/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c[1817,1830] [2021-10-11 00:33:48,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:33:48,973 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:33:49,008 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f46fb9-9360-4994-95d8-ca9df8093115/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c[1817,1830] [2021-10-11 00:33:49,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:33:49,135 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:33:49,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:49 WrapperNode [2021-10-11 00:33:49,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:33:49,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:33:49,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:33:49,140 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:33:49,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:49" (1/1) ... [2021-10-11 00:33:49,179 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:49" (1/1) ... [2021-10-11 00:33:49,214 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:33:49,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:33:49,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:33:49,215 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:33:49,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:49" (1/1) ... [2021-10-11 00:33:49,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:49" (1/1) ... [2021-10-11 00:33:49,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:49" (1/1) ... [2021-10-11 00:33:49,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:49" (1/1) ... [2021-10-11 00:33:49,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:49" (1/1) ... [2021-10-11 00:33:49,245 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:49" (1/1) ... [2021-10-11 00:33:49,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:49" (1/1) ... [2021-10-11 00:33:49,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:33:49,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:33:49,268 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:33:49,268 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:33:49,269 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:49" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f46fb9-9360-4994-95d8-ca9df8093115/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:33:49,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:33:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:33:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:33:49,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:33:50,255 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:33:50,255 INFO L299 CfgBuilder]: Removed 116 assume(true) statements. [2021-10-11 00:33:50,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:33:50 BoogieIcfgContainer [2021-10-11 00:33:50,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:33:50,261 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:33:50,261 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:33:50,265 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:33:50,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:33:48" (1/3) ... [2021-10-11 00:33:50,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@285f4fef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:33:50, skipping insertion in model container [2021-10-11 00:33:50,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:49" (2/3) ... [2021-10-11 00:33:50,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@285f4fef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:33:50, skipping insertion in model container [2021-10-11 00:33:50,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:33:50" (3/3) ... [2021-10-11 00:33:50,269 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product36.cil.c [2021-10-11 00:33:50,283 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:33:50,287 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:33:50,298 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:33:50,337 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:33:50,337 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:33:50,337 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:33:50,337 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:33:50,338 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:33:50,338 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:33:50,338 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:33:50,338 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:33:50,358 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states. [2021-10-11 00:33:50,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 00:33:50,364 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:50,365 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:50,366 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:50,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:50,372 INFO L82 PathProgramCache]: Analyzing trace with hash 795545809, now seen corresponding path program 1 times [2021-10-11 00:33:50,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:50,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248912603] [2021-10-11 00:33:50,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:50,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:50,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248912603] [2021-10-11 00:33:50,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:50,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:33:50,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175797234] [2021-10-11 00:33:50,712 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:33:50,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:50,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:33:50,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:33:50,730 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 2 states. [2021-10-11 00:33:50,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:50,759 INFO L93 Difference]: Finished difference Result 171 states and 256 transitions. [2021-10-11 00:33:50,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:33:50,761 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2021-10-11 00:33:50,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:50,772 INFO L225 Difference]: With dead ends: 171 [2021-10-11 00:33:50,772 INFO L226 Difference]: Without dead ends: 85 [2021-10-11 00:33:50,776 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 [2021-10-11 00:33:50,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-10-11 00:33:50,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2021-10-11 00:33:50,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2021-10-11 00:33:50,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 120 transitions. [2021-10-11 00:33:50,840 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 120 transitions. Word has length 19 [2021-10-11 00:33:50,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:50,841 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 120 transitions. [2021-10-11 00:33:50,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:33:50,842 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2021-10-11 00:33:50,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-11 00:33:50,843 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:50,844 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] [2021-10-11 00:33:50,844 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:33:50,844 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:50,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:50,848 INFO L82 PathProgramCache]: Analyzing trace with hash -1693401934, now seen corresponding path program 1 times [2021-10-11 00:33:50,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:50,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998866949] [2021-10-11 00:33:50,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:50,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:50,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998866949] [2021-10-11 00:33:50,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:50,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:33:50,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451817548] [2021-10-11 00:33:50,992 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:33:50,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:50,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:33:50,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:50,995 INFO L87 Difference]: Start difference. First operand 85 states and 120 transitions. Second operand 3 states. [2021-10-11 00:33:51,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:51,019 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2021-10-11 00:33:51,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:33:51,020 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2021-10-11 00:33:51,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:51,022 INFO L225 Difference]: With dead ends: 85 [2021-10-11 00:33:51,022 INFO L226 Difference]: Without dead ends: 40 [2021-10-11 00:33:51,024 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 [2021-10-11 00:33:51,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-10-11 00:33:51,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-10-11 00:33:51,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2021-10-11 00:33:51,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2021-10-11 00:33:51,033 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 20 [2021-10-11 00:33:51,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:51,034 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 56 transitions. [2021-10-11 00:33:51,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:33:51,034 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2021-10-11 00:33:51,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 00:33:51,036 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:51,037 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:51,037 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:33:51,037 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:51,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:51,038 INFO L82 PathProgramCache]: Analyzing trace with hash -657926814, now seen corresponding path program 1 times [2021-10-11 00:33:51,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:51,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211308119] [2021-10-11 00:33:51,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:51,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:51,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211308119] [2021-10-11 00:33:51,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:51,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:33:51,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564381851] [2021-10-11 00:33:51,170 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:33:51,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:51,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:33:51,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:51,176 INFO L87 Difference]: Start difference. First operand 40 states and 56 transitions. Second operand 3 states. [2021-10-11 00:33:51,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:51,228 INFO L93 Difference]: Finished difference Result 106 states and 154 transitions. [2021-10-11 00:33:51,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:33:51,229 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 00:33:51,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:51,230 INFO L225 Difference]: With dead ends: 106 [2021-10-11 00:33:51,231 INFO L226 Difference]: Without dead ends: 73 [2021-10-11 00:33:51,233 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 [2021-10-11 00:33:51,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-11 00:33:51,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2021-10-11 00:33:51,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2021-10-11 00:33:51,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 100 transitions. [2021-10-11 00:33:51,252 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 100 transitions. Word has length 26 [2021-10-11 00:33:51,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:51,253 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 100 transitions. [2021-10-11 00:33:51,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:33:51,253 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 100 transitions. [2021-10-11 00:33:51,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 00:33:51,254 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:51,255 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:51,255 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:33:51,255 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:51,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:51,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1225410363, now seen corresponding path program 1 times [2021-10-11 00:33:51,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:51,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127113621] [2021-10-11 00:33:51,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:51,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:51,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127113621] [2021-10-11 00:33:51,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:51,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:33:51,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437592972] [2021-10-11 00:33:51,317 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:33:51,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:51,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:33:51,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:51,318 INFO L87 Difference]: Start difference. First operand 69 states and 100 transitions. Second operand 3 states. [2021-10-11 00:33:51,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:51,370 INFO L93 Difference]: Finished difference Result 178 states and 263 transitions. [2021-10-11 00:33:51,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:33:51,371 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2021-10-11 00:33:51,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:51,376 INFO L225 Difference]: With dead ends: 178 [2021-10-11 00:33:51,376 INFO L226 Difference]: Without dead ends: 116 [2021-10-11 00:33:51,378 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 [2021-10-11 00:33:51,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-10-11 00:33:51,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2021-10-11 00:33:51,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2021-10-11 00:33:51,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 164 transitions. [2021-10-11 00:33:51,407 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 164 transitions. Word has length 27 [2021-10-11 00:33:51,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:51,407 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 164 transitions. [2021-10-11 00:33:51,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:33:51,408 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 164 transitions. [2021-10-11 00:33:51,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-11 00:33:51,414 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:51,414 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:51,414 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:33:51,414 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:51,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:51,415 INFO L82 PathProgramCache]: Analyzing trace with hash -88733333, now seen corresponding path program 1 times [2021-10-11 00:33:51,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:51,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236551955] [2021-10-11 00:33:51,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:51,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:51,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236551955] [2021-10-11 00:33:51,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:51,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:33:51,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384821977] [2021-10-11 00:33:51,520 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:33:51,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:51,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:33:51,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:33:51,522 INFO L87 Difference]: Start difference. First operand 114 states and 164 transitions. Second operand 5 states. [2021-10-11 00:33:51,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:51,672 INFO L93 Difference]: Finished difference Result 405 states and 585 transitions. [2021-10-11 00:33:51,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:33:51,672 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2021-10-11 00:33:51,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:51,675 INFO L225 Difference]: With dead ends: 405 [2021-10-11 00:33:51,675 INFO L226 Difference]: Without dead ends: 298 [2021-10-11 00:33:51,679 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:33:51,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2021-10-11 00:33:51,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 112. [2021-10-11 00:33:51,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2021-10-11 00:33:51,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 158 transitions. [2021-10-11 00:33:51,712 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 158 transitions. Word has length 29 [2021-10-11 00:33:51,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:51,712 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 158 transitions. [2021-10-11 00:33:51,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:33:51,712 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 158 transitions. [2021-10-11 00:33:51,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:33:51,715 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:51,715 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:51,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:33:51,715 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:51,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:51,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1397643050, now seen corresponding path program 1 times [2021-10-11 00:33:51,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:51,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725592113] [2021-10-11 00:33:51,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:51,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:51,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725592113] [2021-10-11 00:33:51,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:51,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:33:51,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395756073] [2021-10-11 00:33:51,825 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:33:51,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:51,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:33:51,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:33:51,827 INFO L87 Difference]: Start difference. First operand 112 states and 158 transitions. Second operand 5 states. [2021-10-11 00:33:51,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:51,882 INFO L93 Difference]: Finished difference Result 304 states and 427 transitions. [2021-10-11 00:33:51,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:33:51,882 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-10-11 00:33:51,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:51,884 INFO L225 Difference]: With dead ends: 304 [2021-10-11 00:33:51,884 INFO L226 Difference]: Without dead ends: 199 [2021-10-11 00:33:51,886 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:33:51,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2021-10-11 00:33:51,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 118. [2021-10-11 00:33:51,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2021-10-11 00:33:51,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2021-10-11 00:33:51,903 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 33 [2021-10-11 00:33:51,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:51,906 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2021-10-11 00:33:51,906 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:33:51,906 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2021-10-11 00:33:51,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:33:51,911 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:51,911 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:51,912 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:33:51,912 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:51,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:51,913 INFO L82 PathProgramCache]: Analyzing trace with hash 2098707628, now seen corresponding path program 1 times [2021-10-11 00:33:51,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:51,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318173034] [2021-10-11 00:33:51,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:52,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:52,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318173034] [2021-10-11 00:33:52,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:52,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:33:52,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747645728] [2021-10-11 00:33:52,005 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:33:52,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:52,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:33:52,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:33:52,007 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand 5 states. [2021-10-11 00:33:52,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:52,102 INFO L93 Difference]: Finished difference Result 336 states and 460 transitions. [2021-10-11 00:33:52,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:33:52,103 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-10-11 00:33:52,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:52,105 INFO L225 Difference]: With dead ends: 336 [2021-10-11 00:33:52,105 INFO L226 Difference]: Without dead ends: 225 [2021-10-11 00:33:52,106 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:33:52,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2021-10-11 00:33:52,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 122. [2021-10-11 00:33:52,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2021-10-11 00:33:52,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 168 transitions. [2021-10-11 00:33:52,117 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 168 transitions. Word has length 33 [2021-10-11 00:33:52,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:52,117 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 168 transitions. [2021-10-11 00:33:52,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:33:52,117 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2021-10-11 00:33:52,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:33:52,118 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:52,118 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:52,118 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:33:52,119 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:52,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:52,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1511901614, now seen corresponding path program 1 times [2021-10-11 00:33:52,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:52,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571872653] [2021-10-11 00:33:52,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:52,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:52,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571872653] [2021-10-11 00:33:52,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:52,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:33:52,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193212602] [2021-10-11 00:33:52,167 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:33:52,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:52,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:33:52,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:52,168 INFO L87 Difference]: Start difference. First operand 122 states and 168 transitions. Second operand 3 states. [2021-10-11 00:33:52,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:52,194 INFO L93 Difference]: Finished difference Result 293 states and 402 transitions. [2021-10-11 00:33:52,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:33:52,195 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2021-10-11 00:33:52,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:52,196 INFO L225 Difference]: With dead ends: 293 [2021-10-11 00:33:52,196 INFO L226 Difference]: Without dead ends: 178 [2021-10-11 00:33:52,197 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 [2021-10-11 00:33:52,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2021-10-11 00:33:52,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2021-10-11 00:33:52,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2021-10-11 00:33:52,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 237 transitions. [2021-10-11 00:33:52,212 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 237 transitions. Word has length 33 [2021-10-11 00:33:52,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:52,212 INFO L481 AbstractCegarLoop]: Abstraction has 178 states and 237 transitions. [2021-10-11 00:33:52,212 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:33:52,212 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 237 transitions. [2021-10-11 00:33:52,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 00:33:52,213 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:52,213 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:52,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:33:52,214 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:52,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:52,214 INFO L82 PathProgramCache]: Analyzing trace with hash -888433554, now seen corresponding path program 1 times [2021-10-11 00:33:52,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:52,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296987696] [2021-10-11 00:33:52,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:52,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:52,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296987696] [2021-10-11 00:33:52,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:52,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:33:52,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453137300] [2021-10-11 00:33:52,310 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 00:33:52,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:52,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 00:33:52,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:33:52,311 INFO L87 Difference]: Start difference. First operand 178 states and 237 transitions. Second operand 7 states. [2021-10-11 00:33:52,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:52,628 INFO L93 Difference]: Finished difference Result 855 states and 1180 transitions. [2021-10-11 00:33:52,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-11 00:33:52,628 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2021-10-11 00:33:52,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:52,633 INFO L225 Difference]: With dead ends: 855 [2021-10-11 00:33:52,633 INFO L226 Difference]: Without dead ends: 740 [2021-10-11 00:33:52,634 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-10-11 00:33:52,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2021-10-11 00:33:52,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 310. [2021-10-11 00:33:52,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2021-10-11 00:33:52,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 415 transitions. [2021-10-11 00:33:52,667 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 415 transitions. Word has length 34 [2021-10-11 00:33:52,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:52,667 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 415 transitions. [2021-10-11 00:33:52,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 00:33:52,668 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 415 transitions. [2021-10-11 00:33:52,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-11 00:33:52,668 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:52,669 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:52,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:33:52,669 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:52,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:52,670 INFO L82 PathProgramCache]: Analyzing trace with hash -513094318, now seen corresponding path program 1 times [2021-10-11 00:33:52,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:52,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521635420] [2021-10-11 00:33:52,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:52,738 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:52,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521635420] [2021-10-11 00:33:52,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717002519] [2021-10-11 00:33:52,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f46fb9-9360-4994-95d8-ca9df8093115/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:33:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:52,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 00:33:52,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:33:52,998 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:52,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:33:52,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-10-11 00:33:52,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362406671] [2021-10-11 00:33:53,000 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-10-11 00:33:53,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:53,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-11 00:33:53,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:33:53,001 INFO L87 Difference]: Start difference. First operand 310 states and 415 transitions. Second operand 9 states. [2021-10-11 00:33:53,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:53,459 INFO L93 Difference]: Finished difference Result 650 states and 874 transitions. [2021-10-11 00:33:53,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-11 00:33:53,460 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2021-10-11 00:33:53,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:53,460 INFO L225 Difference]: With dead ends: 650 [2021-10-11 00:33:53,460 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:33:53,462 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-11 00:33:53,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:33:53,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:33:53,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:33:53,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:33:53,462 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2021-10-11 00:33:53,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:53,463 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:33:53,463 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-10-11 00:33:53,463 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:33:53,463 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:33:53,677 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-11 00:33:53,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:33:53,827 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 67 [2021-10-11 00:33:54,625 WARN L197 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 21 [2021-10-11 00:33:54,730 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 23 [2021-10-11 00:33:54,910 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 19 [2021-10-11 00:33:55,061 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 26 [2021-10-11 00:33:55,201 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 20 [2021-10-11 00:33:55,640 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 20 [2021-10-11 00:33:55,769 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 20 [2021-10-11 00:33:55,893 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 20 [2021-10-11 00:33:56,023 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 10 [2021-10-11 00:33:56,027 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-10-11 00:33:56,027 INFO L258 CegarLoopResult]: At program point L729-2(lines 729 743) the Hoare annotation is: false [2021-10-11 00:33:56,028 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:33:56,028 INFO L262 CegarLoopResult]: For program point L730(line 730) no Hoare annotation was computed. [2021-10-11 00:33:56,028 INFO L262 CegarLoopResult]: For program point L697(lines 697 703) no Hoare annotation was computed. [2021-10-11 00:33:56,028 INFO L258 CegarLoopResult]: At program point L697-1(lines 1 958) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (and .cse2 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1) (and .cse2 (<= 2 ~waterLevel~0) .cse0 .cse1))) [2021-10-11 00:33:56,028 INFO L258 CegarLoopResult]: At program point L119(lines 119 125) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2021-10-11 00:33:56,028 INFO L258 CegarLoopResult]: At program point L119-1(lines 119 125) the Hoare annotation is: false [2021-10-11 00:33:56,028 INFO L258 CegarLoopResult]: At program point L119-2(lines 119 125) the Hoare annotation is: false [2021-10-11 00:33:56,028 INFO L262 CegarLoopResult]: For program point L896(lines 896 900) no Hoare annotation was computed. [2021-10-11 00:33:56,028 INFO L258 CegarLoopResult]: At program point L252(lines 237 255) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse0 .cse1 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~1 0)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2021-10-11 00:33:56,029 INFO L258 CegarLoopResult]: At program point L252-1(lines 237 255) the Hoare annotation is: false [2021-10-11 00:33:56,029 INFO L258 CegarLoopResult]: At program point L252-2(lines 237 255) the Hoare annotation is: false [2021-10-11 00:33:56,029 INFO L262 CegarLoopResult]: For program point L848(lines 848 858) no Hoare annotation was computed. [2021-10-11 00:33:56,029 INFO L262 CegarLoopResult]: For program point L848-2(lines 848 858) no Hoare annotation was computed. [2021-10-11 00:33:56,029 INFO L262 CegarLoopResult]: For program point L848-4(lines 848 858) no Hoare annotation was computed. [2021-10-11 00:33:56,029 INFO L262 CegarLoopResult]: For program point L733(lines 733 737) no Hoare annotation was computed. [2021-10-11 00:33:56,029 INFO L262 CegarLoopResult]: For program point L733-1(lines 733 737) no Hoare annotation was computed. [2021-10-11 00:33:56,029 INFO L262 CegarLoopResult]: For program point L849(lines 849 855) no Hoare annotation was computed. [2021-10-11 00:33:56,029 INFO L262 CegarLoopResult]: For program point L849-2(lines 849 855) no Hoare annotation was computed. [2021-10-11 00:33:56,029 INFO L262 CegarLoopResult]: For program point L849-4(lines 849 855) no Hoare annotation was computed. [2021-10-11 00:33:56,029 INFO L258 CegarLoopResult]: At program point L833(lines 112 118) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1))) [2021-10-11 00:33:56,030 INFO L258 CegarLoopResult]: At program point L833-1(lines 112 118) the Hoare annotation is: false [2021-10-11 00:33:56,030 INFO L258 CegarLoopResult]: At program point L833-2(lines 112 118) the Hoare annotation is: false [2021-10-11 00:33:56,030 INFO L262 CegarLoopResult]: For program point L949(lines 949 955) no Hoare annotation was computed. [2021-10-11 00:33:56,030 INFO L262 CegarLoopResult]: For program point L949-1(lines 949 955) no Hoare annotation was computed. [2021-10-11 00:33:56,030 INFO L262 CegarLoopResult]: For program point L949-2(lines 949 955) no Hoare annotation was computed. [2021-10-11 00:33:56,030 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:33:56,030 INFO L262 CegarLoopResult]: For program point L669(lines 669 675) no Hoare annotation was computed. [2021-10-11 00:33:56,030 INFO L258 CegarLoopResult]: At program point L669-1(lines 669 675) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2021-10-11 00:33:56,030 INFO L262 CegarLoopResult]: For program point L884(lines 884 888) no Hoare annotation was computed. [2021-10-11 00:33:56,030 INFO L258 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:33:56,031 INFO L262 CegarLoopResult]: For program point L802(lines 802 809) no Hoare annotation was computed. [2021-10-11 00:33:56,031 INFO L265 CegarLoopResult]: At program point L802-1(lines 802 809) the Hoare annotation is: true [2021-10-11 00:33:56,031 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-10-11 00:33:56,031 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:33:56,031 INFO L262 CegarLoopResult]: For program point L689(lines 689 704) no Hoare annotation was computed. [2021-10-11 00:33:56,031 INFO L262 CegarLoopResult]: For program point L144(lines 144 161) no Hoare annotation was computed. [2021-10-11 00:33:56,031 INFO L262 CegarLoopResult]: For program point L144-1(lines 144 161) no Hoare annotation was computed. [2021-10-11 00:33:56,031 INFO L262 CegarLoopResult]: For program point L144-2(lines 144 161) no Hoare annotation was computed. [2021-10-11 00:33:56,031 INFO L262 CegarLoopResult]: For program point L260(lines 260 266) no Hoare annotation was computed. [2021-10-11 00:33:56,031 INFO L258 CegarLoopResult]: At program point L260-1(lines 260 266) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2021-10-11 00:33:56,032 INFO L258 CegarLoopResult]: At program point L954(lines 945 958) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2))) [2021-10-11 00:33:56,032 INFO L258 CegarLoopResult]: At program point L954-1(lines 945 958) the Hoare annotation is: false [2021-10-11 00:33:56,032 INFO L258 CegarLoopResult]: At program point L954-2(lines 945 958) the Hoare annotation is: false [2021-10-11 00:33:56,032 INFO L258 CegarLoopResult]: At program point L112(lines 108 130) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1))) [2021-10-11 00:33:56,032 INFO L258 CegarLoopResult]: At program point L112-1(lines 108 130) the Hoare annotation is: false [2021-10-11 00:33:56,032 INFO L258 CegarLoopResult]: At program point L112-2(lines 108 130) the Hoare annotation is: false [2021-10-11 00:33:56,032 INFO L262 CegarLoopResult]: For program point L872(lines 872 876) no Hoare annotation was computed. [2021-10-11 00:33:56,032 INFO L262 CegarLoopResult]: For program point L872-3(lines 872 876) no Hoare annotation was computed. [2021-10-11 00:33:56,032 INFO L262 CegarLoopResult]: For program point L872-6(lines 872 876) no Hoare annotation was computed. [2021-10-11 00:33:56,033 INFO L258 CegarLoopResult]: At program point L823(lines 818 825) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:33:56,033 INFO L262 CegarLoopResult]: For program point L246(lines 246 250) no Hoare annotation was computed. [2021-10-11 00:33:56,033 INFO L262 CegarLoopResult]: For program point L246-2(lines 246 250) no Hoare annotation was computed. [2021-10-11 00:33:56,033 INFO L262 CegarLoopResult]: For program point L246-3(lines 246 250) no Hoare annotation was computed. [2021-10-11 00:33:56,033 INFO L262 CegarLoopResult]: For program point L246-5(lines 246 250) no Hoare annotation was computed. [2021-10-11 00:33:56,033 INFO L262 CegarLoopResult]: For program point L246-6(lines 246 250) no Hoare annotation was computed. [2021-10-11 00:33:56,033 INFO L262 CegarLoopResult]: For program point L246-8(lines 246 250) no Hoare annotation was computed. [2021-10-11 00:33:56,033 INFO L258 CegarLoopResult]: At program point L197(lines 192 200) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2021-10-11 00:33:56,033 INFO L258 CegarLoopResult]: At program point L709(lines 658 710) the Hoare annotation is: false [2021-10-11 00:33:56,033 INFO L258 CegarLoopResult]: At program point L197-1(lines 192 200) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1))) [2021-10-11 00:33:56,034 INFO L258 CegarLoopResult]: At program point L197-2(lines 192 200) the Hoare annotation is: false [2021-10-11 00:33:56,034 INFO L258 CegarLoopResult]: At program point L197-3(lines 192 200) the Hoare annotation is: false [2021-10-11 00:33:56,034 INFO L258 CegarLoopResult]: At program point L197-4(lines 192 200) the Hoare annotation is: false [2021-10-11 00:33:56,034 INFO L258 CegarLoopResult]: At program point L197-5(lines 192 200) the Hoare annotation is: false [2021-10-11 00:33:56,034 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:33:56,034 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-10-11 00:33:56,034 INFO L262 CegarLoopResult]: For program point L660(lines 659 708) no Hoare annotation was computed. [2021-10-11 00:33:56,034 INFO L262 CegarLoopResult]: For program point L148(lines 148 156) no Hoare annotation was computed. [2021-10-11 00:33:56,034 INFO L262 CegarLoopResult]: For program point L148-1(lines 148 156) no Hoare annotation was computed. [2021-10-11 00:33:56,034 INFO L262 CegarLoopResult]: For program point L148-2(lines 148 156) no Hoare annotation was computed. [2021-10-11 00:33:56,035 INFO L258 CegarLoopResult]: At program point L941(lines 936 944) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1 .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2))) [2021-10-11 00:33:56,035 INFO L258 CegarLoopResult]: At program point L941-1(lines 936 944) the Hoare annotation is: false [2021-10-11 00:33:56,035 INFO L258 CegarLoopResult]: At program point L941-2(lines 936 944) the Hoare annotation is: false [2021-10-11 00:33:56,035 INFO L262 CegarLoopResult]: For program point L661(lines 661 665) no Hoare annotation was computed. [2021-10-11 00:33:56,035 INFO L258 CegarLoopResult]: At program point L777(lines 773 779) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:33:56,035 INFO L258 CegarLoopResult]: At program point L67(lines 1 958) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:33:56,035 INFO L262 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2021-10-11 00:33:56,035 INFO L262 CegarLoopResult]: For program point L84-1(line 84) no Hoare annotation was computed. [2021-10-11 00:33:56,035 INFO L262 CegarLoopResult]: For program point L84-2(line 84) no Hoare annotation was computed. [2021-10-11 00:33:56,035 INFO L262 CegarLoopResult]: For program point L844(lines 844 861) no Hoare annotation was computed. [2021-10-11 00:33:56,036 INFO L258 CegarLoopResult]: At program point L844-1(lines 1 958) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse0 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7) (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2) .cse2))) [2021-10-11 00:33:56,036 INFO L265 CegarLoopResult]: At program point L811(lines 792 814) the Hoare annotation is: true [2021-10-11 00:33:56,036 INFO L262 CegarLoopResult]: For program point L844-2(lines 844 861) no Hoare annotation was computed. [2021-10-11 00:33:56,036 INFO L258 CegarLoopResult]: At program point L844-3(lines 1 958) the Hoare annotation is: false [2021-10-11 00:33:56,036 INFO L262 CegarLoopResult]: For program point L844-4(lines 844 861) no Hoare annotation was computed. [2021-10-11 00:33:56,036 INFO L262 CegarLoopResult]: For program point L679(lines 679 685) no Hoare annotation was computed. [2021-10-11 00:33:56,036 INFO L258 CegarLoopResult]: At program point L844-5(lines 1 958) the Hoare annotation is: false [2021-10-11 00:33:56,036 INFO L258 CegarLoopResult]: At program point L679-1(lines 679 685) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2021-10-11 00:33:56,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:33:56 BoogieIcfgContainer [2021-10-11 00:33:56,076 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:33:56,077 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:33:56,077 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:33:56,077 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:33:56,078 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:33:50" (3/4) ... [2021-10-11 00:33:56,083 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:33:56,112 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:33:56,113 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:33:56,114 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:33:56,115 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:33:56,116 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:33:56,116 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:33:56,117 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:33:56,138 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((((((1 <= pumpRunning && 1 < tmp) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp <= 2) && waterLevel <= 2) [2021-10-11 00:33:56,139 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) [2021-10-11 00:33:56,139 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) [2021-10-11 00:33:56,139 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) [2021-10-11 00:33:56,140 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 <= pumpRunning && 1 <= \result) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) [2021-10-11 00:33:56,141 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2021-10-11 00:33:56,141 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) [2021-10-11 00:33:56,141 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) [2021-10-11 00:33:56,142 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) [2021-10-11 00:33:56,143 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((!(\result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2021-10-11 00:33:56,143 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) [2021-10-11 00:33:56,144 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) && tmp___0 == 0) && waterLevel <= 2) || (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2021-10-11 00:33:56,198 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f46fb9-9360-4994-95d8-ca9df8093115/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:33:56,198 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:33:56,199 INFO L168 Benchmark]: Toolchain (without parser) took 7668.83 ms. Allocated memory was 109.1 MB in the beginning and 199.2 MB in the end (delta: 90.2 MB). Free memory was 75.4 MB in the beginning and 95.5 MB in the end (delta: -20.1 MB). Peak memory consumption was 71.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:56,200 INFO L168 Benchmark]: CDTParser took 0.55 ms. Allocated memory is still 109.1 MB. Free memory is still 65.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:33:56,200 INFO L168 Benchmark]: CACSL2BoogieTranslator took 605.56 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 75.0 MB in the beginning and 95.1 MB in the end (delta: -20.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:56,201 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.72 ms. Allocated memory is still 132.1 MB. Free memory was 95.1 MB in the beginning and 91.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:56,201 INFO L168 Benchmark]: Boogie Preprocessor took 52.26 ms. Allocated memory is still 132.1 MB. Free memory was 91.7 MB in the beginning and 89.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:56,201 INFO L168 Benchmark]: RCFGBuilder took 990.51 ms. Allocated memory is still 132.1 MB. Free memory was 89.6 MB in the beginning and 91.5 MB in the end (delta: -1.9 MB). Peak memory consumption was 45.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:56,202 INFO L168 Benchmark]: TraceAbstraction took 5815.48 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 90.3 MB in the beginning and 102.8 MB in the end (delta: -12.5 MB). Peak memory consumption was 102.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:56,202 INFO L168 Benchmark]: Witness Printer took 121.47 ms. Allocated memory is still 199.2 MB. Free memory was 102.8 MB in the beginning and 95.5 MB in the end (delta: 7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:56,204 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 ms. Allocated memory is still 109.1 MB. Free memory is still 65.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 605.56 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 75.0 MB in the beginning and 95.1 MB in the end (delta: -20.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 76.72 ms. Allocated memory is still 132.1 MB. Free memory was 95.1 MB in the beginning and 91.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.26 ms. Allocated memory is still 132.1 MB. Free memory was 91.7 MB in the beginning and 89.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 990.51 ms. Allocated memory is still 132.1 MB. Free memory was 89.6 MB in the beginning and 91.5 MB in the end (delta: -1.9 MB). Peak memory consumption was 45.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5815.48 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 90.3 MB in the beginning and 102.8 MB in the end (delta: -12.5 MB). Peak memory consumption was 102.3 MB. Max. memory is 16.1 GB. * Witness Printer took 121.47 ms. Allocated memory is still 199.2 MB. Free memory was 102.8 MB in the beginning and 95.5 MB in the end (delta: 7.3 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: 84]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 84]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 84]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 <= pumpRunning && 1 <= \result) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) && tmp___0 == 0) && waterLevel <= 2) || (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((((((1 <= pumpRunning && 1 < tmp) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp <= 2) && waterLevel <= 2) - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((!(\result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 89 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.3s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 845 SDtfs, 1307 SDslu, 1499 SDs, 0 SdLazy, 253 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=310occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 806 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 195 NumberOfFragments, 525 HoareAnnotationTreeSize, 39 FomulaSimplifications, 91806 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 39 FomulaSimplificationsInter, 7433 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 356 NumberOfCodeBlocks, 356 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 345 ConstructedInterpolants, 0 QuantifiedInterpolants, 25691 SizeOfPredicates, 3 NumberOfNonLiveVariables, 423 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 22/32 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...