./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72239d8b-c4d5-4a5a-90df-ca1020925be1/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72239d8b-c4d5-4a5a-90df-ca1020925be1/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_72239d8b-c4d5-4a5a-90df-ca1020925be1/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72239d8b-c4d5-4a5a-90df-ca1020925be1/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72239d8b-c4d5-4a5a-90df-ca1020925be1/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_72239d8b-c4d5-4a5a-90df-ca1020925be1/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 1a701515fb5a246fd69af11a72b1e3fa96a75d92 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:19:41,573 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:19:41,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:19:41,616 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:19:41,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:19:41,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:19:41,620 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:19:41,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:19:41,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:19:41,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:19:41,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:19:41,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:19:41,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:19:41,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:19:41,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:19:41,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:19:41,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:19:41,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:19:41,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:19:41,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:19:41,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:19:41,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:19:41,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:19:41,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:19:41,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:19:41,654 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:19:41,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:19:41,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:19:41,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:19:41,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:19:41,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:19:41,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:19:41,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:19:41,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:19:41,664 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:19:41,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:19:41,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:19:41,666 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:19:41,666 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:19:41,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:19:41,669 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:19:41,670 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72239d8b-c4d5-4a5a-90df-ca1020925be1/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:19:41,694 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:19:41,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:19:41,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:19:41,696 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:19:41,697 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:19:41,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:19:41,697 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:19:41,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:19:41,698 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:19:41,698 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:19:41,698 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:19:41,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:19:41,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:19:41,699 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:19:41,699 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:19:41,699 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:19:41,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:19:41,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:19:41,700 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:19:41,700 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:19:41,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:19:41,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:19:41,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:19:41,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:19:41,702 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:19:41,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:19:41,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:19:41,703 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:19:41,703 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_72239d8b-c4d5-4a5a-90df-ca1020925be1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72239d8b-c4d5-4a5a-90df-ca1020925be1/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a701515fb5a246fd69af11a72b1e3fa96a75d92 [2021-10-11 00:19:41,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:19:42,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:19:42,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:19:42,008 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:19:42,010 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:19:42,011 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72239d8b-c4d5-4a5a-90df-ca1020925be1/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c [2021-10-11 00:19:42,112 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72239d8b-c4d5-4a5a-90df-ca1020925be1/bin/uautomizer-Z5i5R5N3CC/data/d04e6f5ff/ab2a458eb61e489f9f7c5ac8fcfbc5d0/FLAG5aa7ff15d [2021-10-11 00:19:42,651 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:19:42,652 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72239d8b-c4d5-4a5a-90df-ca1020925be1/sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c [2021-10-11 00:19:42,674 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72239d8b-c4d5-4a5a-90df-ca1020925be1/bin/uautomizer-Z5i5R5N3CC/data/d04e6f5ff/ab2a458eb61e489f9f7c5ac8fcfbc5d0/FLAG5aa7ff15d [2021-10-11 00:19:42,975 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72239d8b-c4d5-4a5a-90df-ca1020925be1/bin/uautomizer-Z5i5R5N3CC/data/d04e6f5ff/ab2a458eb61e489f9f7c5ac8fcfbc5d0 [2021-10-11 00:19:42,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:19:42,979 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:19:42,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:19:42,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:19:42,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:19:42,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:19:42" (1/1) ... [2021-10-11 00:19:42,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38d42f70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:42, skipping insertion in model container [2021-10-11 00:19:42,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:19:42" (1/1) ... [2021-10-11 00:19:43,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:19:43,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:19:43,329 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_72239d8b-c4d5-4a5a-90df-ca1020925be1/sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c[14510,14523] [2021-10-11 00:19:43,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:19:43,360 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:19:43,469 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_72239d8b-c4d5-4a5a-90df-ca1020925be1/sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c[14510,14523] [2021-10-11 00:19:43,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:19:43,534 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:19:43,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:43 WrapperNode [2021-10-11 00:19:43,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:19:43,538 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:19:43,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:19:43,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:19:43,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:43" (1/1) ... [2021-10-11 00:19:43,586 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:43" (1/1) ... [2021-10-11 00:19:43,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:19:43,640 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:19:43,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:19:43,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:19:43,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:43" (1/1) ... [2021-10-11 00:19:43,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:43" (1/1) ... [2021-10-11 00:19:43,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:43" (1/1) ... [2021-10-11 00:19:43,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:43" (1/1) ... [2021-10-11 00:19:43,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:43" (1/1) ... [2021-10-11 00:19:43,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:43" (1/1) ... [2021-10-11 00:19:43,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:43" (1/1) ... [2021-10-11 00:19:43,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:19:43,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:19:43,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:19:43,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:19:43,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:43" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72239d8b-c4d5-4a5a-90df-ca1020925be1/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 00:19:43,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:19:43,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:19:43,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:19:43,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:19:44,671 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:19:44,671 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-10-11 00:19:44,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:19:44 BoogieIcfgContainer [2021-10-11 00:19:44,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:19:44,676 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:19:44,676 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:19:44,683 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:19:44,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:19:42" (1/3) ... [2021-10-11 00:19:44,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17645b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:19:44, skipping insertion in model container [2021-10-11 00:19:44,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:43" (2/3) ... [2021-10-11 00:19:44,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17645b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:19:44, skipping insertion in model container [2021-10-11 00:19:44,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:19:44" (3/3) ... [2021-10-11 00:19:44,687 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product19.cil.c [2021-10-11 00:19:44,703 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:19:44,708 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:19:44,720 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:19:44,757 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:19:44,758 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:19:44,758 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:19:44,759 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:19:44,759 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:19:44,759 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:19:44,759 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:19:44,760 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:19:44,780 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2021-10-11 00:19:44,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:19:44,788 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:19:44,788 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:19:44,789 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:19:44,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:19:44,796 INFO L82 PathProgramCache]: Analyzing trace with hash -1613004623, now seen corresponding path program 1 times [2021-10-11 00:19:44,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:19:44,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051899162] [2021-10-11 00:19:44,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:19:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:19:45,132 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 00:19:45,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051899162] [2021-10-11 00:19:45,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:19:45,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:19:45,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060016968] [2021-10-11 00:19:45,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:19:45,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:19:45,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:19:45,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:19:45,162 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2021-10-11 00:19:45,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:19:45,205 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2021-10-11 00:19:45,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:19:45,207 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 00:19:45,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:19:45,224 INFO L225 Difference]: With dead ends: 148 [2021-10-11 00:19:45,224 INFO L226 Difference]: Without dead ends: 73 [2021-10-11 00:19:45,232 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 00:19:45,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-11 00:19:45,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-11 00:19:45,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2021-10-11 00:19:45,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-10-11 00:19:45,304 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2021-10-11 00:19:45,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:19:45,305 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-10-11 00:19:45,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:19:45,306 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-10-11 00:19:45,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 00:19:45,309 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:19:45,309 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 00:19:45,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:19:45,310 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:19:45,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:19:45,314 INFO L82 PathProgramCache]: Analyzing trace with hash 1635205776, now seen corresponding path program 1 times [2021-10-11 00:19:45,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:19:45,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408360509] [2021-10-11 00:19:45,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:19:45,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:19:45,466 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 00:19:45,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408360509] [2021-10-11 00:19:45,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:19:45,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:19:45,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873141145] [2021-10-11 00:19:45,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:19:45,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:19:45,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:19:45,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:19:45,473 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2021-10-11 00:19:45,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:19:45,500 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2021-10-11 00:19:45,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:19:45,502 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 00:19:45,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:19:45,504 INFO L225 Difference]: With dead ends: 73 [2021-10-11 00:19:45,505 INFO L226 Difference]: Without dead ends: 35 [2021-10-11 00:19:45,506 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 00:19:45,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-11 00:19:45,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-11 00:19:45,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-10-11 00:19:45,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-11 00:19:45,519 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2021-10-11 00:19:45,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:19:45,519 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-11 00:19:45,520 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:19:45,520 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-11 00:19:45,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:19:45,523 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:19:45,524 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 00:19:45,525 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:19:45,526 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:19:45,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:19:45,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1451070739, now seen corresponding path program 1 times [2021-10-11 00:19:45,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:19:45,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133704352] [2021-10-11 00:19:45,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:19:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:19:45,666 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 00:19:45,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133704352] [2021-10-11 00:19:45,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:19:45,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:19:45,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567656338] [2021-10-11 00:19:45,668 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:19:45,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:19:45,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:19:45,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:19:45,669 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 6 states. [2021-10-11 00:19:45,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:19:45,929 INFO L93 Difference]: Finished difference Result 116 states and 169 transitions. [2021-10-11 00:19:45,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:19:45,929 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2021-10-11 00:19:45,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:19:45,936 INFO L225 Difference]: With dead ends: 116 [2021-10-11 00:19:45,936 INFO L226 Difference]: Without dead ends: 87 [2021-10-11 00:19:45,938 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:19:45,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-10-11 00:19:45,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 54. [2021-10-11 00:19:45,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2021-10-11 00:19:45,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2021-10-11 00:19:45,966 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2021-10-11 00:19:45,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:19:45,966 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2021-10-11 00:19:45,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:19:45,967 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2021-10-11 00:19:45,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 00:19:45,968 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:19:45,969 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] [2021-10-11 00:19:45,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:19:45,969 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:19:45,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:19:45,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1281905457, now seen corresponding path program 1 times [2021-10-11 00:19:45,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:19:45,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721449737] [2021-10-11 00:19:45,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:19:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:19:46,149 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 00:19:46,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721449737] [2021-10-11 00:19:46,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:19:46,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-11 00:19:46,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550289784] [2021-10-11 00:19:46,152 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-10-11 00:19:46,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:19:46,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 00:19:46,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:19:46,155 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand 8 states. [2021-10-11 00:19:46,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:19:46,623 INFO L93 Difference]: Finished difference Result 335 states and 516 transitions. [2021-10-11 00:19:46,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-11 00:19:46,624 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2021-10-11 00:19:46,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:19:46,629 INFO L225 Difference]: With dead ends: 335 [2021-10-11 00:19:46,629 INFO L226 Difference]: Without dead ends: 287 [2021-10-11 00:19:46,631 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2021-10-11 00:19:46,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2021-10-11 00:19:46,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 136. [2021-10-11 00:19:46,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2021-10-11 00:19:46,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 196 transitions. [2021-10-11 00:19:46,678 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 196 transitions. Word has length 23 [2021-10-11 00:19:46,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:19:46,678 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 196 transitions. [2021-10-11 00:19:46,678 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-10-11 00:19:46,679 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 196 transitions. [2021-10-11 00:19:46,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:19:46,680 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:19:46,680 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 00:19:46,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:19:46,681 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:19:46,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:19:46,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1402731609, now seen corresponding path program 1 times [2021-10-11 00:19:46,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:19:46,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485279344] [2021-10-11 00:19:46,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:19:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:19:46,746 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 00:19:46,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485279344] [2021-10-11 00:19:46,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:19:46,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:19:46,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44245221] [2021-10-11 00:19:46,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:19:46,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:19:46,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:19:46,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:19:46,749 INFO L87 Difference]: Start difference. First operand 136 states and 196 transitions. Second operand 3 states. [2021-10-11 00:19:46,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:19:46,768 INFO L93 Difference]: Finished difference Result 245 states and 355 transitions. [2021-10-11 00:19:46,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:19:46,769 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 00:19:46,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:19:46,770 INFO L225 Difference]: With dead ends: 245 [2021-10-11 00:19:46,770 INFO L226 Difference]: Without dead ends: 115 [2021-10-11 00:19:46,772 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 00:19:46,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-10-11 00:19:46,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-10-11 00:19:46,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2021-10-11 00:19:46,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 153 transitions. [2021-10-11 00:19:46,792 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 153 transitions. Word has length 24 [2021-10-11 00:19:46,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:19:46,792 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 153 transitions. [2021-10-11 00:19:46,793 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:19:46,793 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2021-10-11 00:19:46,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-11 00:19:46,795 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:19:46,796 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:19:46,796 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:19:46,796 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:19:46,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:19:46,797 INFO L82 PathProgramCache]: Analyzing trace with hash -1852777620, now seen corresponding path program 1 times [2021-10-11 00:19:46,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:19:46,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155664877] [2021-10-11 00:19:46,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:19:46,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:19:46,897 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:19:46,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155664877] [2021-10-11 00:19:46,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859338425] [2021-10-11 00:19:46,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72239d8b-c4d5-4a5a-90df-ca1020925be1/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 00:19:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:19:47,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 00:19:47,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:19:47,225 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:19:47,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:19:47,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-10-11 00:19:47,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725051939] [2021-10-11 00:19:47,227 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:19:47,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:19:47,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:19:47,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:19:47,229 INFO L87 Difference]: Start difference. First operand 115 states and 153 transitions. Second operand 4 states. [2021-10-11 00:19:47,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:19:47,323 INFO L93 Difference]: Finished difference Result 150 states and 201 transitions. [2021-10-11 00:19:47,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:19:47,325 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2021-10-11 00:19:47,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:19:47,329 INFO L225 Difference]: With dead ends: 150 [2021-10-11 00:19:47,329 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:19:47,332 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:19:47,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:19:47,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:19:47,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:19:47,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:19:47,334 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2021-10-11 00:19:47,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:19:47,334 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:19:47,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:19:47,334 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:19:47,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:19:47,563 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-10-11 00:19:47,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:19:47,786 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 28 [2021-10-11 00:19:47,912 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2021-10-11 00:19:48,325 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 682) no Hoare annotation was computed. [2021-10-11 00:19:48,325 INFO L258 CegarLoopResult]: At program point L746(lines 697 747) the Hoare annotation is: false [2021-10-11 00:19:48,326 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:19:48,326 INFO L258 CegarLoopResult]: At program point L499(lines 494 502) the Hoare annotation is: false [2021-10-11 00:19:48,326 INFO L258 CegarLoopResult]: At program point L499-1(lines 494 502) the Hoare annotation is: false [2021-10-11 00:19:48,326 INFO L262 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2021-10-11 00:19:48,326 INFO L258 CegarLoopResult]: At program point L499-2(lines 494 502) the Hoare annotation is: false [2021-10-11 00:19:48,326 INFO L258 CegarLoopResult]: At program point L814(lines 810 816) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:19:48,326 INFO L262 CegarLoopResult]: For program point L682(line 682) no Hoare annotation was computed. [2021-10-11 00:19:48,327 INFO L262 CegarLoopResult]: For program point L682-1(line 682) no Hoare annotation was computed. [2021-10-11 00:19:48,327 INFO L262 CegarLoopResult]: For program point L682-2(line 682) no Hoare annotation was computed. [2021-10-11 00:19:48,327 INFO L262 CegarLoopResult]: For program point L550(lines 550 567) no Hoare annotation was computed. [2021-10-11 00:19:48,327 INFO L262 CegarLoopResult]: For program point L550-1(lines 550 567) no Hoare annotation was computed. [2021-10-11 00:19:48,327 INFO L262 CegarLoopResult]: For program point L550-2(lines 550 567) no Hoare annotation was computed. [2021-10-11 00:19:48,328 INFO L262 CegarLoopResult]: For program point L897(lines 897 910) no Hoare annotation was computed. [2021-10-11 00:19:48,328 INFO L258 CegarLoopResult]: At program point L897-1(lines 1 913) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse4 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse5 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse5 .cse2 .cse3 (<= 1 ~waterLevel~0)) (and .cse4 (<= 2 ~waterLevel~0) .cse5 .cse2 .cse3))) [2021-10-11 00:19:48,328 INFO L262 CegarLoopResult]: For program point L897-2(lines 897 910) no Hoare annotation was computed. [2021-10-11 00:19:48,329 INFO L258 CegarLoopResult]: At program point L897-3(lines 1 913) the Hoare annotation is: false [2021-10-11 00:19:48,329 INFO L262 CegarLoopResult]: For program point L897-4(lines 897 910) no Hoare annotation was computed. [2021-10-11 00:19:48,329 INFO L258 CegarLoopResult]: At program point L897-5(lines 1 913) the Hoare annotation is: false [2021-10-11 00:19:48,329 INFO L262 CegarLoopResult]: For program point L699(lines 698 745) no Hoare annotation was computed. [2021-10-11 00:19:48,330 INFO L262 CegarLoopResult]: For program point L666(lines 666 672) no Hoare annotation was computed. [2021-10-11 00:19:48,330 INFO L258 CegarLoopResult]: At program point L666-1(lines 666 672) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2021-10-11 00:19:48,330 INFO L258 CegarLoopResult]: At program point L518(lines 517 536) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2021-10-11 00:19:48,330 INFO L262 CegarLoopResult]: For program point L518-1(lines 518 524) no Hoare annotation was computed. [2021-10-11 00:19:48,330 INFO L258 CegarLoopResult]: At program point L518-2(lines 517 536) the Hoare annotation is: false [2021-10-11 00:19:48,330 INFO L258 CegarLoopResult]: At program point L518-3(lines 517 536) the Hoare annotation is: false [2021-10-11 00:19:48,331 INFO L262 CegarLoopResult]: For program point L700(lines 700 704) no Hoare annotation was computed. [2021-10-11 00:19:48,331 INFO L258 CegarLoopResult]: At program point L766-2(lines 766 780) the Hoare annotation is: false [2021-10-11 00:19:48,331 INFO L265 CegarLoopResult]: At program point L849(lines 830 852) the Hoare annotation is: true [2021-10-11 00:19:48,331 INFO L262 CegarLoopResult]: For program point L767(line 767) no Hoare annotation was computed. [2021-10-11 00:19:48,331 INFO L262 CegarLoopResult]: For program point L734(lines 734 740) no Hoare annotation was computed. [2021-10-11 00:19:48,331 INFO L258 CegarLoopResult]: At program point L734-1(lines 518 524) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2021-10-11 00:19:48,331 INFO L262 CegarLoopResult]: For program point L718(lines 718 724) no Hoare annotation was computed. [2021-10-11 00:19:48,333 INFO L258 CegarLoopResult]: At program point L718-1(lines 718 724) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse2 .cse3 (not (= 0 ~systemActive~0)) .cse0 .cse1 .cse4) (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse2 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 0)) .cse0 .cse1 .cse4))) [2021-10-11 00:19:48,333 INFO L262 CegarLoopResult]: For program point L652(lines 652 656) no Hoare annotation was computed. [2021-10-11 00:19:48,333 INFO L262 CegarLoopResult]: For program point L652-2(lines 652 656) no Hoare annotation was computed. [2021-10-11 00:19:48,334 INFO L262 CegarLoopResult]: For program point L652-3(lines 652 656) no Hoare annotation was computed. [2021-10-11 00:19:48,334 INFO L262 CegarLoopResult]: For program point L652-5(lines 652 656) no Hoare annotation was computed. [2021-10-11 00:19:48,334 INFO L262 CegarLoopResult]: For program point L652-6(lines 652 656) no Hoare annotation was computed. [2021-10-11 00:19:48,334 INFO L262 CegarLoopResult]: For program point L421(lines 421 425) no Hoare annotation was computed. [2021-10-11 00:19:48,334 INFO L262 CegarLoopResult]: For program point L652-8(lines 652 656) no Hoare annotation was computed. [2021-10-11 00:19:48,334 INFO L262 CegarLoopResult]: For program point L421-3(lines 421 425) no Hoare annotation was computed. [2021-10-11 00:19:48,334 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:19:48,334 INFO L262 CegarLoopResult]: For program point L421-6(lines 421 425) no Hoare annotation was computed. [2021-10-11 00:19:48,335 INFO L258 CegarLoopResult]: At program point L603(lines 598 606) the Hoare annotation is: false [2021-10-11 00:19:48,335 INFO L258 CegarLoopResult]: At program point L603-1(lines 598 606) the Hoare annotation is: false [2021-10-11 00:19:48,335 INFO L258 CegarLoopResult]: At program point L603-2(lines 598 606) the Hoare annotation is: false [2021-10-11 00:19:48,335 INFO L258 CegarLoopResult]: At program point L884(lines 879 887) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:19:48,335 INFO L262 CegarLoopResult]: For program point L554(lines 554 562) no Hoare annotation was computed. [2021-10-11 00:19:48,335 INFO L262 CegarLoopResult]: For program point L554-1(lines 554 562) no Hoare annotation was computed. [2021-10-11 00:19:48,335 INFO L262 CegarLoopResult]: For program point L554-2(lines 554 562) no Hoare annotation was computed. [2021-10-11 00:19:48,335 INFO L262 CegarLoopResult]: For program point L901(lines 901 907) no Hoare annotation was computed. [2021-10-11 00:19:48,336 INFO L262 CegarLoopResult]: For program point L901-2(lines 901 907) no Hoare annotation was computed. [2021-10-11 00:19:48,336 INFO L262 CegarLoopResult]: For program point L901-4(lines 901 907) no Hoare annotation was computed. [2021-10-11 00:19:48,336 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 682) no Hoare annotation was computed. [2021-10-11 00:19:48,336 INFO L262 CegarLoopResult]: For program point L770(lines 770 774) no Hoare annotation was computed. [2021-10-11 00:19:48,336 INFO L262 CegarLoopResult]: For program point L770-1(lines 518 524) no Hoare annotation was computed. [2021-10-11 00:19:48,336 INFO L258 CegarLoopResult]: At program point L490(lines 485 493) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse1 .cse2 (<= 1 ~waterLevel~0)))) [2021-10-11 00:19:48,336 INFO L258 CegarLoopResult]: At program point L490-1(lines 485 493) the Hoare annotation is: false [2021-10-11 00:19:48,337 INFO L258 CegarLoopResult]: At program point L490-2(lines 485 493) the Hoare annotation is: false [2021-10-11 00:19:48,338 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:19:48,338 INFO L258 CegarLoopResult]: At program point L525(lines 525 531) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2021-10-11 00:19:48,339 INFO L258 CegarLoopResult]: At program point L525-1(lines 525 531) the Hoare annotation is: false [2021-10-11 00:19:48,356 INFO L258 CegarLoopResult]: At program point L525-2(lines 525 531) the Hoare annotation is: false [2021-10-11 00:19:48,356 INFO L258 CegarLoopResult]: At program point L658(lines 643 661) the Hoare annotation is: false [2021-10-11 00:19:48,357 INFO L258 CegarLoopResult]: At program point L658-1(lines 643 661) the Hoare annotation is: false [2021-10-11 00:19:48,357 INFO L258 CegarLoopResult]: At program point L658-2(lines 643 661) the Hoare annotation is: false [2021-10-11 00:19:48,357 INFO L262 CegarLoopResult]: For program point L840(lines 840 847) no Hoare annotation was computed. [2021-10-11 00:19:48,359 INFO L265 CegarLoopResult]: At program point L840-1(lines 840 847) the Hoare annotation is: true [2021-10-11 00:19:48,359 INFO L262 CegarLoopResult]: For program point L708(lines 708 714) no Hoare annotation was computed. [2021-10-11 00:19:48,359 INFO L258 CegarLoopResult]: At program point L708-1(lines 708 714) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse2 .cse3 (not (= 0 ~systemActive~0)) .cse0 .cse1 .cse4) (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse2 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 0)) .cse0 .cse1 .cse4))) [2021-10-11 00:19:48,360 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:19:48,360 INFO L262 CegarLoopResult]: For program point L445(lines 445 449) no Hoare annotation was computed. [2021-10-11 00:19:48,360 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 682) no Hoare annotation was computed. [2021-10-11 00:19:48,360 INFO L258 CegarLoopResult]: At program point L876(lines 1 913) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:19:48,360 INFO L262 CegarLoopResult]: For program point L728(lines 728 741) no Hoare annotation was computed. [2021-10-11 00:19:48,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:19:48 BoogieIcfgContainer [2021-10-11 00:19:48,406 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:19:48,407 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:19:48,407 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:19:48,407 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:19:48,408 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:19:44" (3/4) ... [2021-10-11 00:19:48,412 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:19:48,438 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:19:48,439 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:19:48,440 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:19:48,441 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:19:48,442 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:19:48,443 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:19:48,444 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:19:48,473 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == systemActive && \result == waterLevel) && 1 == systemActive) && pumpRunning == 0 [2021-10-11 00:19:48,473 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == waterLevel && \result == systemActive) && \result == waterLevel) && 1 == systemActive) && pumpRunning == 0 [2021-10-11 00:19:48,474 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel == 1 && tmp == waterLevel) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) || ((((((!(\result == 0) && tmp == waterLevel) && \result == waterLevel) && !(tmp == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((!(\result == 0) && 2 <= waterLevel) && !(tmp == 0)) && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:19:48,474 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || (((((tmp == waterLevel && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((((!(\result == 0) && tmp == waterLevel) && \result == waterLevel) && !(tmp == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-10-11 00:19:48,476 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || (((((tmp == waterLevel && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((((!(\result == 0) && tmp == waterLevel) && \result == waterLevel) && !(tmp == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-10-11 00:19:48,476 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((tmp == waterLevel && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-10-11 00:19:48,477 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((tmp == waterLevel && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-10-11 00:19:48,478 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((tmp == waterLevel && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-10-11 00:19:48,479 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((tmp == waterLevel && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-10-11 00:19:48,481 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(\result == 0) && tmp == waterLevel) && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-10-11 00:19:48,577 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72239d8b-c4d5-4a5a-90df-ca1020925be1/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:19:48,577 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:19:48,579 INFO L168 Benchmark]: Toolchain (without parser) took 5598.52 ms. Allocated memory was 90.2 MB in the beginning and 144.7 MB in the end (delta: 54.5 MB). Free memory was 55.1 MB in the beginning and 110.4 MB in the end (delta: -55.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:19:48,579 INFO L168 Benchmark]: CDTParser took 1.66 ms. Allocated memory is still 90.2 MB. Free memory was 63.6 MB in the beginning and 63.6 MB in the end (delta: 25.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:19:48,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 554.47 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 54.9 MB in the beginning and 77.5 MB in the end (delta: -22.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:19:48,581 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.37 ms. Allocated memory is still 111.1 MB. Free memory was 77.5 MB in the beginning and 74.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:19:48,582 INFO L168 Benchmark]: Boogie Preprocessor took 55.47 ms. Allocated memory is still 111.1 MB. Free memory was 74.2 MB in the beginning and 72.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:19:48,583 INFO L168 Benchmark]: RCFGBuilder took 976.94 ms. Allocated memory is still 111.1 MB. Free memory was 72.3 MB in the beginning and 64.6 MB in the end (delta: 7.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:19:48,587 INFO L168 Benchmark]: TraceAbstraction took 3730.51 ms. Allocated memory was 111.1 MB in the beginning and 144.7 MB in the end (delta: 33.6 MB). Free memory was 63.8 MB in the beginning and 116.7 MB in the end (delta: -52.9 MB). Peak memory consumption was 61.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:19:48,588 INFO L168 Benchmark]: Witness Printer took 170.37 ms. Allocated memory is still 144.7 MB. Free memory was 116.7 MB in the beginning and 110.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:19:48,591 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.66 ms. Allocated memory is still 90.2 MB. Free memory was 63.6 MB in the beginning and 63.6 MB in the end (delta: 25.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 554.47 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 54.9 MB in the beginning and 77.5 MB in the end (delta: -22.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 101.37 ms. Allocated memory is still 111.1 MB. Free memory was 77.5 MB in the beginning and 74.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.47 ms. Allocated memory is still 111.1 MB. Free memory was 74.2 MB in the beginning and 72.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 976.94 ms. Allocated memory is still 111.1 MB. Free memory was 72.3 MB in the beginning and 64.6 MB in the end (delta: 7.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3730.51 ms. Allocated memory was 111.1 MB in the beginning and 144.7 MB in the end (delta: 33.6 MB). Free memory was 63.8 MB in the beginning and 116.7 MB in the end (delta: -52.9 MB). Peak memory consumption was 61.5 MB. Max. memory is 16.1 GB. * Witness Printer took 170.37 ms. Allocated memory is still 144.7 MB. Free memory was 116.7 MB in the beginning and 110.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 682]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 682]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 682]: 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: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || (((((tmp == waterLevel && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((((!(\result == 0) && tmp == waterLevel) && \result == waterLevel) && !(tmp == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((waterLevel == 1 && tmp == waterLevel) && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) || ((((((!(\result == 0) && tmp == waterLevel) && \result == waterLevel) && !(tmp == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((!(\result == 0) && 2 <= waterLevel) && !(tmp == 0)) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((tmp == waterLevel && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: (((tmp == waterLevel && \result == systemActive) && \result == waterLevel) && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || (((((tmp == waterLevel && \result == waterLevel) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((((!(\result == 0) && tmp == waterLevel) && \result == waterLevel) && !(tmp == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((tmp == waterLevel && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: (((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(\result == 0) && tmp == waterLevel) && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: ((\result == systemActive && \result == waterLevel) && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((tmp == waterLevel && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 840]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((tmp == waterLevel && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.8s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 355 SDtfs, 619 SDslu, 667 SDs, 0 SdLazy, 120 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 184 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 64 NumberOfFragments, 376 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1373 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 128 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 173 ConstructedInterpolants, 0 QuantifiedInterpolants, 11358 SizeOfPredicates, 0 NumberOfNonLiveVariables, 374 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 25/30 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...