./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product24.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_05eaf2a8-0a9f-4d7b-b288-b5799e14aa35/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05eaf2a8-0a9f-4d7b-b288-b5799e14aa35/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_05eaf2a8-0a9f-4d7b-b288-b5799e14aa35/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05eaf2a8-0a9f-4d7b-b288-b5799e14aa35/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05eaf2a8-0a9f-4d7b-b288-b5799e14aa35/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_05eaf2a8-0a9f-4d7b-b288-b5799e14aa35/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 07a82585c9104c8be0d4d9500146b9ae03439698 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:20:22,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:20:22,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:20:22,443 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:20:22,444 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:20:22,449 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:20:22,452 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:20:22,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:20:22,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:20:22,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:20:22,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:20:22,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:20:22,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:20:22,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:20:22,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:20:22,475 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:20:22,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:20:22,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:20:22,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:20:22,495 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:20:22,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:20:22,499 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:20:22,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:20:22,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:20:22,505 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:20:22,506 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:20:22,507 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:20:22,508 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:20:22,509 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:20:22,510 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:20:22,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:20:22,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:20:22,513 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:20:22,514 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:20:22,515 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:20:22,516 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:20:22,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:20:22,517 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:20:22,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:20:22,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:20:22,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:20:22,520 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05eaf2a8-0a9f-4d7b-b288-b5799e14aa35/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:20:22,544 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:20:22,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:20:22,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:20:22,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:20:22,546 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:20:22,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:20:22,547 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:20:22,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:20:22,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:20:22,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:20:22,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:20:22,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:20:22,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:20:22,549 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:20:22,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:20:22,549 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:20:22,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:20:22,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:20:22,550 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:20:22,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:20:22,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:20:22,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:20:22,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:20:22,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:20:22,551 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:20:22,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:20:22,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:20:22,552 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:20:22,552 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_05eaf2a8-0a9f-4d7b-b288-b5799e14aa35/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05eaf2a8-0a9f-4d7b-b288-b5799e14aa35/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07a82585c9104c8be0d4d9500146b9ae03439698 [2021-10-11 00:20:22,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:20:22,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:20:22,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:20:22,829 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:20:22,830 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:20:22,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05eaf2a8-0a9f-4d7b-b288-b5799e14aa35/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c [2021-10-11 00:20:22,924 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05eaf2a8-0a9f-4d7b-b288-b5799e14aa35/bin/uautomizer-Z5i5R5N3CC/data/4b28094c5/2f6da7dd74504437a3a135c5332b6328/FLAG06d3886cb [2021-10-11 00:20:23,416 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:20:23,416 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05eaf2a8-0a9f-4d7b-b288-b5799e14aa35/sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c [2021-10-11 00:20:23,444 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05eaf2a8-0a9f-4d7b-b288-b5799e14aa35/bin/uautomizer-Z5i5R5N3CC/data/4b28094c5/2f6da7dd74504437a3a135c5332b6328/FLAG06d3886cb [2021-10-11 00:20:23,749 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05eaf2a8-0a9f-4d7b-b288-b5799e14aa35/bin/uautomizer-Z5i5R5N3CC/data/4b28094c5/2f6da7dd74504437a3a135c5332b6328 [2021-10-11 00:20:23,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:20:23,752 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:20:23,754 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:20:23,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:20:23,758 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:20:23,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:20:23" (1/1) ... [2021-10-11 00:20:23,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f0b4b5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:23, skipping insertion in model container [2021-10-11 00:20:23,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:20:23" (1/1) ... [2021-10-11 00:20:23,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:20:23,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:20:24,162 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_05eaf2a8-0a9f-4d7b-b288-b5799e14aa35/sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c[17936,17949] [2021-10-11 00:20:24,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:20:24,176 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:20:24,244 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_05eaf2a8-0a9f-4d7b-b288-b5799e14aa35/sv-benchmarks/c/product-lines/minepump_spec4_product24.cil.c[17936,17949] [2021-10-11 00:20:24,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:20:24,276 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:20:24,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:24 WrapperNode [2021-10-11 00:20:24,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:20:24,278 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:20:24,279 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:20:24,279 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:20:24,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:24" (1/1) ... [2021-10-11 00:20:24,304 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:24" (1/1) ... [2021-10-11 00:20:24,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:20:24,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:20:24,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:20:24,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:20:24,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:24" (1/1) ... [2021-10-11 00:20:24,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:24" (1/1) ... [2021-10-11 00:20:24,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:24" (1/1) ... [2021-10-11 00:20:24,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:24" (1/1) ... [2021-10-11 00:20:24,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:24" (1/1) ... [2021-10-11 00:20:24,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:24" (1/1) ... [2021-10-11 00:20:24,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:24" (1/1) ... [2021-10-11 00:20:24,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:20:24,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:20:24,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:20:24,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:20:24,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:24" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05eaf2a8-0a9f-4d7b-b288-b5799e14aa35/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 00:20:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:20:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:20:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:20:24,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:20:25,534 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:20:25,534 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2021-10-11 00:20:25,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:25 BoogieIcfgContainer [2021-10-11 00:20:25,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:20:25,541 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:20:25,541 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:20:25,544 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:20:25,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:20:23" (1/3) ... [2021-10-11 00:20:25,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2312faa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:20:25, skipping insertion in model container [2021-10-11 00:20:25,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:24" (2/3) ... [2021-10-11 00:20:25,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2312faa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:20:25, skipping insertion in model container [2021-10-11 00:20:25,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:25" (3/3) ... [2021-10-11 00:20:25,549 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product24.cil.c [2021-10-11 00:20:25,566 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:20:25,569 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:20:25,580 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:20:25,617 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:20:25,617 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:20:25,618 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:20:25,618 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:20:25,618 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:20:25,618 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:20:25,618 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:20:25,618 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:20:25,636 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2021-10-11 00:20:25,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:20:25,641 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:25,642 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:20:25,642 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:25,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:25,647 INFO L82 PathProgramCache]: Analyzing trace with hash 1528758621, now seen corresponding path program 1 times [2021-10-11 00:20:25,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:25,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470967906] [2021-10-11 00:20:25,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:25,946 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 00:20:25,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470967906] [2021-10-11 00:20:25,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:25,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:20:25,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566588779] [2021-10-11 00:20:25,953 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:20:25,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:25,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:20:25,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:20:25,968 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2021-10-11 00:20:26,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:26,006 INFO L93 Difference]: Finished difference Result 208 states and 311 transitions. [2021-10-11 00:20:26,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:20:26,008 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 00:20:26,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:26,018 INFO L225 Difference]: With dead ends: 208 [2021-10-11 00:20:26,018 INFO L226 Difference]: Without dead ends: 103 [2021-10-11 00:20:26,021 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 00:20:26,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-10-11 00:20:26,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2021-10-11 00:20:26,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2021-10-11 00:20:26,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2021-10-11 00:20:26,063 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2021-10-11 00:20:26,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:26,064 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2021-10-11 00:20:26,064 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:20:26,064 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2021-10-11 00:20:26,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 00:20:26,065 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:26,065 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:20:26,066 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:20:26,066 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:26,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:26,067 INFO L82 PathProgramCache]: Analyzing trace with hash 512126731, now seen corresponding path program 1 times [2021-10-11 00:20:26,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:26,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713279374] [2021-10-11 00:20:26,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:26,201 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 00:20:26,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713279374] [2021-10-11 00:20:26,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:26,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:20:26,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037259408] [2021-10-11 00:20:26,207 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:20:26,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:26,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:20:26,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:20:26,210 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand 3 states. [2021-10-11 00:20:26,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:26,232 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2021-10-11 00:20:26,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:20:26,233 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 00:20:26,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:26,236 INFO L225 Difference]: With dead ends: 103 [2021-10-11 00:20:26,237 INFO L226 Difference]: Without dead ends: 45 [2021-10-11 00:20:26,238 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 00:20:26,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-10-11 00:20:26,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-10-11 00:20:26,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2021-10-11 00:20:26,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2021-10-11 00:20:26,255 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2021-10-11 00:20:26,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:26,255 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2021-10-11 00:20:26,256 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:20:26,256 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2021-10-11 00:20:26,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:20:26,257 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:26,258 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] [2021-10-11 00:20:26,259 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:20:26,259 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:26,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:26,261 INFO L82 PathProgramCache]: Analyzing trace with hash -471925062, now seen corresponding path program 1 times [2021-10-11 00:20:26,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:26,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451698124] [2021-10-11 00:20:26,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:26,335 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 00:20:26,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451698124] [2021-10-11 00:20:26,336 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:26,336 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:20:26,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076977425] [2021-10-11 00:20:26,336 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:20:26,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:26,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:20:26,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:20:26,338 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 3 states. [2021-10-11 00:20:26,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:26,380 INFO L93 Difference]: Finished difference Result 123 states and 180 transitions. [2021-10-11 00:20:26,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:20:26,381 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 00:20:26,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:26,385 INFO L225 Difference]: With dead ends: 123 [2021-10-11 00:20:26,386 INFO L226 Difference]: Without dead ends: 84 [2021-10-11 00:20:26,387 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 00:20:26,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-10-11 00:20:26,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80. [2021-10-11 00:20:26,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2021-10-11 00:20:26,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 117 transitions. [2021-10-11 00:20:26,407 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 117 transitions. Word has length 22 [2021-10-11 00:20:26,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:26,407 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 117 transitions. [2021-10-11 00:20:26,407 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:20:26,407 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2021-10-11 00:20:26,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:20:26,409 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:26,409 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] [2021-10-11 00:20:26,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:20:26,409 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:26,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:26,410 INFO L82 PathProgramCache]: Analyzing trace with hash -644490584, now seen corresponding path program 1 times [2021-10-11 00:20:26,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:26,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584410571] [2021-10-11 00:20:26,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:26,590 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 00:20:26,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584410571] [2021-10-11 00:20:26,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:26,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:20:26,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389021507] [2021-10-11 00:20:26,593 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 00:20:26,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:26,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 00:20:26,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:20:26,597 INFO L87 Difference]: Start difference. First operand 80 states and 117 transitions. Second operand 7 states. [2021-10-11 00:20:26,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:26,965 INFO L93 Difference]: Finished difference Result 571 states and 870 transitions. [2021-10-11 00:20:26,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-11 00:20:26,966 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2021-10-11 00:20:26,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:26,972 INFO L225 Difference]: With dead ends: 571 [2021-10-11 00:20:26,972 INFO L226 Difference]: Without dead ends: 497 [2021-10-11 00:20:26,977 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2021-10-11 00:20:26,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2021-10-11 00:20:27,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 214. [2021-10-11 00:20:27,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2021-10-11 00:20:27,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 313 transitions. [2021-10-11 00:20:27,034 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 313 transitions. Word has length 24 [2021-10-11 00:20:27,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:27,035 INFO L481 AbstractCegarLoop]: Abstraction has 214 states and 313 transitions. [2021-10-11 00:20:27,035 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 00:20:27,035 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 313 transitions. [2021-10-11 00:20:27,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 00:20:27,042 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:27,042 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] [2021-10-11 00:20:27,043 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:20:27,043 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:27,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:27,043 INFO L82 PathProgramCache]: Analyzing trace with hash 234154931, now seen corresponding path program 1 times [2021-10-11 00:20:27,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:27,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485990258] [2021-10-11 00:20:27,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:27,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:27,156 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 00:20:27,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485990258] [2021-10-11 00:20:27,157 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:27,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:20:27,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117858215] [2021-10-11 00:20:27,158 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:20:27,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:27,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:20:27,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:20:27,160 INFO L87 Difference]: Start difference. First operand 214 states and 313 transitions. Second operand 3 states. [2021-10-11 00:20:27,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:27,183 INFO L93 Difference]: Finished difference Result 332 states and 490 transitions. [2021-10-11 00:20:27,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:20:27,184 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2021-10-11 00:20:27,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:27,185 INFO L225 Difference]: With dead ends: 332 [2021-10-11 00:20:27,185 INFO L226 Difference]: Without dead ends: 124 [2021-10-11 00:20:27,187 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 00:20:27,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-10-11 00:20:27,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2021-10-11 00:20:27,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2021-10-11 00:20:27,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 162 transitions. [2021-10-11 00:20:27,206 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 162 transitions. Word has length 25 [2021-10-11 00:20:27,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:27,207 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 162 transitions. [2021-10-11 00:20:27,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:20:27,207 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 162 transitions. [2021-10-11 00:20:27,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-11 00:20:27,209 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:27,209 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:20:27,209 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:20:27,210 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:27,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:27,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1927989650, now seen corresponding path program 1 times [2021-10-11 00:20:27,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:27,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19705196] [2021-10-11 00:20:27,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:27,337 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:20:27,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19705196] [2021-10-11 00:20:27,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507591461] [2021-10-11 00:20:27,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05eaf2a8-0a9f-4d7b-b288-b5799e14aa35/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 00:20:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:27,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 00:20:27,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:20:27,583 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:20:27,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:20:27,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-10-11 00:20:27,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003217964] [2021-10-11 00:20:27,584 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:20:27,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:27,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:20:27,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:20:27,586 INFO L87 Difference]: Start difference. First operand 124 states and 162 transitions. Second operand 4 states. [2021-10-11 00:20:27,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:27,659 INFO L93 Difference]: Finished difference Result 162 states and 213 transitions. [2021-10-11 00:20:27,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:20:27,661 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2021-10-11 00:20:27,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:27,661 INFO L225 Difference]: With dead ends: 162 [2021-10-11 00:20:27,661 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:20:27,662 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:20:27,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:20:27,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:20:27,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:20:27,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:20:27,663 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2021-10-11 00:20:27,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:27,663 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:20:27,663 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:20:27,663 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:20:27,663 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:20:27,883 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-10-11 00:20:27,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:20:28,425 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 948) no Hoare annotation was computed. [2021-10-11 00:20:28,425 INFO L262 CegarLoopResult]: For program point L630(lines 630 647) no Hoare annotation was computed. [2021-10-11 00:20:28,425 INFO L262 CegarLoopResult]: For program point L630-1(lines 630 647) no Hoare annotation was computed. [2021-10-11 00:20:28,425 INFO L262 CegarLoopResult]: For program point L630-2(lines 630 647) no Hoare annotation was computed. [2021-10-11 00:20:28,425 INFO L262 CegarLoopResult]: For program point L630-3(lines 630 647) no Hoare annotation was computed. [2021-10-11 00:20:28,425 INFO L262 CegarLoopResult]: For program point L630-4(lines 630 647) no Hoare annotation was computed. [2021-10-11 00:20:28,426 INFO L262 CegarLoopResult]: For program point L630-5(lines 630 647) no Hoare annotation was computed. [2021-10-11 00:20:28,426 INFO L262 CegarLoopResult]: For program point L895(lines 895 901) no Hoare annotation was computed. [2021-10-11 00:20:28,426 INFO L262 CegarLoopResult]: For program point L895-2(lines 895 901) no Hoare annotation was computed. [2021-10-11 00:20:28,426 INFO L262 CegarLoopResult]: For program point L895-4(lines 895 901) no Hoare annotation was computed. [2021-10-11 00:20:28,426 INFO L258 CegarLoopResult]: At program point L598(lines 597 616) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2021-10-11 00:20:28,426 INFO L262 CegarLoopResult]: For program point L598-1(lines 598 604) no Hoare annotation was computed. [2021-10-11 00:20:28,426 INFO L258 CegarLoopResult]: At program point L598-2(lines 597 616) the Hoare annotation is: false [2021-10-11 00:20:28,426 INFO L258 CegarLoopResult]: At program point L598-3(lines 597 616) the Hoare annotation is: false [2021-10-11 00:20:28,427 INFO L258 CegarLoopResult]: At program point L764(lines 749 767) the Hoare annotation is: false [2021-10-11 00:20:28,427 INFO L258 CegarLoopResult]: At program point L764-1(lines 749 767) the Hoare annotation is: false [2021-10-11 00:20:28,427 INFO L258 CegarLoopResult]: At program point L764-2(lines 749 767) the Hoare annotation is: false [2021-10-11 00:20:28,427 INFO L258 CegarLoopResult]: At program point L764-3(lines 749 767) the Hoare annotation is: false [2021-10-11 00:20:28,427 INFO L258 CegarLoopResult]: At program point L764-4(lines 749 767) the Hoare annotation is: false [2021-10-11 00:20:28,427 INFO L258 CegarLoopResult]: At program point L764-5(lines 749 767) the Hoare annotation is: false [2021-10-11 00:20:28,427 INFO L262 CegarLoopResult]: For program point L534(lines 534 540) no Hoare annotation was computed. [2021-10-11 00:20:28,428 INFO L258 CegarLoopResult]: At program point L534-1(lines 534 540) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= 1 ~systemActive~0) .cse0 .cse1 .cse2) (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~8 0)) .cse0 .cse1 .cse2))) [2021-10-11 00:20:28,428 INFO L258 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:20:28,428 INFO L258 CegarLoopResult]: At program point L931(lines 1 951) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:20:28,428 INFO L262 CegarLoopResult]: For program point L799(lines 799 803) no Hoare annotation was computed. [2021-10-11 00:20:28,428 INFO L258 CegarLoopResult]: At program point L700(lines 693 703) the Hoare annotation is: false [2021-10-11 00:20:28,428 INFO L262 CegarLoopResult]: For program point L799-3(lines 799 803) no Hoare annotation was computed. [2021-10-11 00:20:28,428 INFO L258 CegarLoopResult]: At program point L700-1(lines 693 703) the Hoare annotation is: false [2021-10-11 00:20:28,428 INFO L262 CegarLoopResult]: For program point L634(lines 634 642) no Hoare annotation was computed. [2021-10-11 00:20:28,428 INFO L258 CegarLoopResult]: At program point L700-2(lines 693 703) the Hoare annotation is: false [2021-10-11 00:20:28,429 INFO L262 CegarLoopResult]: For program point L634-1(lines 634 642) no Hoare annotation was computed. [2021-10-11 00:20:28,429 INFO L262 CegarLoopResult]: For program point L799-6(lines 799 803) no Hoare annotation was computed. [2021-10-11 00:20:28,429 INFO L262 CegarLoopResult]: For program point L634-2(lines 634 642) no Hoare annotation was computed. [2021-10-11 00:20:28,429 INFO L262 CegarLoopResult]: For program point L634-3(lines 634 642) no Hoare annotation was computed. [2021-10-11 00:20:28,429 INFO L262 CegarLoopResult]: For program point L634-4(lines 634 642) no Hoare annotation was computed. [2021-10-11 00:20:28,429 INFO L262 CegarLoopResult]: For program point L634-5(lines 634 642) no Hoare annotation was computed. [2021-10-11 00:20:28,429 INFO L265 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2021-10-11 00:20:28,429 INFO L258 CegarLoopResult]: At program point L868(lines 863 871) the Hoare annotation is: (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2021-10-11 00:20:28,430 INFO L258 CegarLoopResult]: At program point L868-1(lines 863 871) the Hoare annotation is: false [2021-10-11 00:20:28,430 INFO L258 CegarLoopResult]: At program point L868-2(lines 863 871) the Hoare annotation is: false [2021-10-11 00:20:28,430 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 948) no Hoare annotation was computed. [2021-10-11 00:20:28,430 INFO L258 CegarLoopResult]: At program point L836(lines 831 839) the Hoare annotation is: false [2021-10-11 00:20:28,430 INFO L258 CegarLoopResult]: At program point L836-1(lines 831 839) the Hoare annotation is: false [2021-10-11 00:20:28,430 INFO L258 CegarLoopResult]: At program point L836-2(lines 831 839) the Hoare annotation is: false [2021-10-11 00:20:28,430 INFO L258 CegarLoopResult]: At program point L605(lines 605 611) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2021-10-11 00:20:28,430 INFO L258 CegarLoopResult]: At program point L605-1(lines 605 611) the Hoare annotation is: false [2021-10-11 00:20:28,431 INFO L258 CegarLoopResult]: At program point L605-2(lines 605 611) the Hoare annotation is: false [2021-10-11 00:20:28,431 INFO L262 CegarLoopResult]: For program point L772(lines 772 778) no Hoare annotation was computed. [2021-10-11 00:20:28,431 INFO L258 CegarLoopResult]: At program point L772-1(lines 772 778) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse0 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (or (and (= ~waterLevel~0 ~systemActive~0) .cse1) (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~8 0)) .cse1)) .cse0 (<= 1 ~waterLevel~0)))) [2021-10-11 00:20:28,431 INFO L258 CegarLoopResult]: At program point L574(lines 523 575) the Hoare annotation is: false [2021-10-11 00:20:28,431 INFO L258 CegarLoopResult]: At program point L939(lines 934 942) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:20:28,431 INFO L258 CegarLoopResult]: At program point L709(lines 704 712) the Hoare annotation is: false [2021-10-11 00:20:28,431 INFO L258 CegarLoopResult]: At program point L709-1(lines 704 712) the Hoare annotation is: false [2021-10-11 00:20:28,431 INFO L258 CegarLoopResult]: At program point L709-2(lines 704 712) the Hoare annotation is: false [2021-10-11 00:20:28,431 INFO L262 CegarLoopResult]: For program point L544(lines 544 550) no Hoare annotation was computed. [2021-10-11 00:20:28,432 INFO L258 CegarLoopResult]: At program point L544-1(lines 544 550) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= 1 ~systemActive~0) .cse0 .cse1 .cse2) (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~8 0)) .cse0 .cse1 .cse2))) [2021-10-11 00:20:28,432 INFO L258 CegarLoopResult]: At program point L877(lines 872 880) the Hoare annotation is: false [2021-10-11 00:20:28,432 INFO L258 CegarLoopResult]: At program point L877-1(lines 872 880) the Hoare annotation is: false [2021-10-11 00:20:28,432 INFO L262 CegarLoopResult]: For program point L811(lines 811 815) no Hoare annotation was computed. [2021-10-11 00:20:28,432 INFO L258 CegarLoopResult]: At program point L877-2(lines 872 880) the Hoare annotation is: false [2021-10-11 00:20:28,432 INFO L258 CegarLoopResult]: At program point L877-3(lines 872 880) the Hoare annotation is: false [2021-10-11 00:20:28,432 INFO L258 CegarLoopResult]: At program point L877-4(lines 872 880) the Hoare annotation is: false [2021-10-11 00:20:28,432 INFO L258 CegarLoopResult]: At program point L877-5(lines 872 880) the Hoare annotation is: false [2021-10-11 00:20:28,433 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:20:28,433 INFO L258 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2021-10-11 00:20:28,433 INFO L262 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-11 00:20:28,433 INFO L262 CegarLoopResult]: For program point L948(line 948) no Hoare annotation was computed. [2021-10-11 00:20:28,433 INFO L262 CegarLoopResult]: For program point L948-1(line 948) no Hoare annotation was computed. [2021-10-11 00:20:28,433 INFO L262 CegarLoopResult]: For program point L948-2(line 948) no Hoare annotation was computed. [2021-10-11 00:20:28,433 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:20:28,433 INFO L262 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-10-11 00:20:28,433 INFO L262 CegarLoopResult]: For program point L58-1(lines 598 604) no Hoare annotation was computed. [2021-10-11 00:20:28,433 INFO L262 CegarLoopResult]: For program point L554(lines 554 569) no Hoare annotation was computed. [2021-10-11 00:20:28,434 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:20:28,434 INFO L262 CegarLoopResult]: For program point L656(lines 656 673) no Hoare annotation was computed. [2021-10-11 00:20:28,434 INFO L262 CegarLoopResult]: For program point L656-1(lines 656 673) no Hoare annotation was computed. [2021-10-11 00:20:28,434 INFO L262 CegarLoopResult]: For program point L656-2(lines 656 673) no Hoare annotation was computed. [2021-10-11 00:20:28,434 INFO L262 CegarLoopResult]: For program point L525(lines 524 573) no Hoare annotation was computed. [2021-10-11 00:20:28,434 INFO L262 CegarLoopResult]: For program point L823(lines 823 827) no Hoare annotation was computed. [2021-10-11 00:20:28,434 INFO L262 CegarLoopResult]: For program point L526(lines 526 530) no Hoare annotation was computed. [2021-10-11 00:20:28,434 INFO L262 CegarLoopResult]: For program point L758(lines 758 762) no Hoare annotation was computed. [2021-10-11 00:20:28,434 INFO L262 CegarLoopResult]: For program point L758-2(lines 758 762) no Hoare annotation was computed. [2021-10-11 00:20:28,434 INFO L262 CegarLoopResult]: For program point L758-3(lines 758 762) no Hoare annotation was computed. [2021-10-11 00:20:28,435 INFO L262 CegarLoopResult]: For program point L758-5(lines 758 762) no Hoare annotation was computed. [2021-10-11 00:20:28,435 INFO L262 CegarLoopResult]: For program point L758-6(lines 758 762) no Hoare annotation was computed. [2021-10-11 00:20:28,435 INFO L262 CegarLoopResult]: For program point L758-8(lines 758 762) no Hoare annotation was computed. [2021-10-11 00:20:28,435 INFO L262 CegarLoopResult]: For program point L758-9(lines 758 762) no Hoare annotation was computed. [2021-10-11 00:20:28,435 INFO L262 CegarLoopResult]: For program point L758-11(lines 758 762) no Hoare annotation was computed. [2021-10-11 00:20:28,435 INFO L262 CegarLoopResult]: For program point L758-12(lines 758 762) no Hoare annotation was computed. [2021-10-11 00:20:28,435 INFO L262 CegarLoopResult]: For program point L758-14(lines 758 762) no Hoare annotation was computed. [2021-10-11 00:20:28,435 INFO L262 CegarLoopResult]: For program point L758-15(lines 758 762) no Hoare annotation was computed. [2021-10-11 00:20:28,435 INFO L262 CegarLoopResult]: For program point L758-17(lines 758 762) no Hoare annotation was computed. [2021-10-11 00:20:28,435 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:20:28,436 INFO L262 CegarLoopResult]: For program point L891(lines 891 904) no Hoare annotation was computed. [2021-10-11 00:20:28,436 INFO L258 CegarLoopResult]: At program point L891-1(lines 1 951) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) .cse0 .cse1) (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~8 0)) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2021-10-11 00:20:28,436 INFO L262 CegarLoopResult]: For program point L891-2(lines 891 904) no Hoare annotation was computed. [2021-10-11 00:20:28,436 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 948) no Hoare annotation was computed. [2021-10-11 00:20:28,436 INFO L258 CegarLoopResult]: At program point L891-3(lines 1 951) the Hoare annotation is: false [2021-10-11 00:20:28,436 INFO L262 CegarLoopResult]: For program point L891-4(lines 891 904) no Hoare annotation was computed. [2021-10-11 00:20:28,436 INFO L258 CegarLoopResult]: At program point L891-5(lines 1 951) the Hoare annotation is: false [2021-10-11 00:20:28,437 INFO L262 CegarLoopResult]: For program point L660(lines 660 668) no Hoare annotation was computed. [2021-10-11 00:20:28,437 INFO L262 CegarLoopResult]: For program point L660-1(lines 660 668) no Hoare annotation was computed. [2021-10-11 00:20:28,437 INFO L262 CegarLoopResult]: For program point L660-2(lines 660 668) no Hoare annotation was computed. [2021-10-11 00:20:28,437 INFO L262 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2021-10-11 00:20:28,437 INFO L265 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2021-10-11 00:20:28,437 INFO L262 CegarLoopResult]: For program point L562(lines 562 568) no Hoare annotation was computed. [2021-10-11 00:20:28,437 INFO L258 CegarLoopResult]: At program point L562-1(lines 598 604) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2021-10-11 00:20:28,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:20:28 BoogieIcfgContainer [2021-10-11 00:20:28,486 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:20:28,487 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:20:28,487 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:20:28,487 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:20:28,487 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:25" (3/4) ... [2021-10-11 00:20:28,493 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:20:28,524 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:20:28,525 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:20:28,526 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:20:28,527 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:20:28,528 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:20:28,529 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:20:28,531 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:20:28,559 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((!(\result == 0) && !(tmp == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-10-11 00:20:28,560 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((!(\result == 0) && !(tmp == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-10-11 00:20:28,561 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((!(\result == 0) && !(tmp == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-10-11 00:20:28,564 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == systemActive && splverifierCounter == 0) || ((!(\result == 0) && !(tmp == 0)) && splverifierCounter == 0)) && pumpRunning == 0) && 1 <= waterLevel) [2021-10-11 00:20:28,566 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel [2021-10-11 00:20:28,661 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05eaf2a8-0a9f-4d7b-b288-b5799e14aa35/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:20:28,661 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:20:28,664 INFO L168 Benchmark]: Toolchain (without parser) took 4910.64 ms. Allocated memory was 100.7 MB in the beginning and 157.3 MB in the end (delta: 56.6 MB). Free memory was 66.9 MB in the beginning and 53.2 MB in the end (delta: 13.7 MB). Peak memory consumption was 70.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:28,664 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 100.7 MB. Free memory is still 53.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:20:28,665 INFO L168 Benchmark]: CACSL2BoogieTranslator took 523.69 ms. Allocated memory is still 100.7 MB. Free memory was 66.7 MB in the beginning and 65.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:28,665 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.46 ms. Allocated memory is still 100.7 MB. Free memory was 65.2 MB in the beginning and 61.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:28,666 INFO L168 Benchmark]: Boogie Preprocessor took 66.22 ms. Allocated memory is still 100.7 MB. Free memory was 61.6 MB in the beginning and 58.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:28,667 INFO L168 Benchmark]: RCFGBuilder took 1124.22 ms. Allocated memory was 100.7 MB in the beginning and 127.9 MB in the end (delta: 27.3 MB). Free memory was 58.9 MB in the beginning and 94.7 MB in the end (delta: -35.8 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:28,667 INFO L168 Benchmark]: TraceAbstraction took 2945.09 ms. Allocated memory was 127.9 MB in the beginning and 157.3 MB in the end (delta: 29.4 MB). Free memory was 94.5 MB in the beginning and 62.7 MB in the end (delta: 31.8 MB). Peak memory consumption was 69.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:28,667 INFO L168 Benchmark]: Witness Printer took 175.57 ms. Allocated memory is still 157.3 MB. Free memory was 62.7 MB in the beginning and 53.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:28,670 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 100.7 MB. Free memory is still 53.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 523.69 ms. Allocated memory is still 100.7 MB. Free memory was 66.7 MB in the beginning and 65.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.46 ms. Allocated memory is still 100.7 MB. Free memory was 65.2 MB in the beginning and 61.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 66.22 ms. Allocated memory is still 100.7 MB. Free memory was 61.6 MB in the beginning and 58.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1124.22 ms. Allocated memory was 100.7 MB in the beginning and 127.9 MB in the end (delta: 27.3 MB). Free memory was 58.9 MB in the beginning and 94.7 MB in the end (delta: -35.8 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2945.09 ms. Allocated memory was 127.9 MB in the beginning and 157.3 MB in the end (delta: 29.4 MB). Free memory was 94.5 MB in the beginning and 62.7 MB in the end (delta: 31.8 MB). Peak memory consumption was 69.9 MB. Max. memory is 16.1 GB. * Witness Printer took 175.57 ms. Allocated memory is still 157.3 MB. Free memory was 62.7 MB in the beginning and 53.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 948]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 948]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 948]: 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: 704]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: ((!(\result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((!(\result == 0) && !(tmp == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == systemActive && splverifierCounter == 0) || ((!(\result == 0) && !(tmp == 0)) && splverifierCounter == 0)) && pumpRunning == 0) && 1 <= waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((!(\result == 0) && !(tmp == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((!(\result == 0) && !(tmp == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 107 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.2s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 462 SDtfs, 653 SDslu, 632 SDs, 0 SdLazy, 118 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=214occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 287 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 76 NumberOfFragments, 261 HoareAnnotationTreeSize, 44 FomulaSimplifications, 826 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 44 FomulaSimplificationsInter, 161 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 179 ConstructedInterpolants, 0 QuantifiedInterpolants, 11242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 382 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 27/32 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...