./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product25.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_0554bbf1-7adf-4f07-9255-0208d4d67a2c/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0554bbf1-7adf-4f07-9255-0208d4d67a2c/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_0554bbf1-7adf-4f07-9255-0208d4d67a2c/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0554bbf1-7adf-4f07-9255-0208d4d67a2c/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0554bbf1-7adf-4f07-9255-0208d4d67a2c/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_0554bbf1-7adf-4f07-9255-0208d4d67a2c/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 9adf580d787f62224e97e4e19700baa564f81557 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:21:39,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:21:39,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:21:39,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:21:39,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:21:39,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:21:39,171 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:21:39,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:21:39,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:21:39,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:21:39,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:21:39,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:21:39,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:21:39,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:21:39,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:21:39,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:21:39,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:21:39,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:21:39,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:21:39,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:21:39,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:21:39,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:21:39,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:21:39,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:21:39,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:21:39,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:21:39,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:21:39,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:21:39,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:21:39,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:21:39,231 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:21:39,232 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:21:39,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:21:39,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:21:39,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:21:39,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:21:39,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:21:39,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:21:39,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:21:39,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:21:39,239 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:21:39,241 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0554bbf1-7adf-4f07-9255-0208d4d67a2c/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:21:39,287 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:21:39,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:21:39,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:21:39,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:21:39,290 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:21:39,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:21:39,290 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:21:39,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:21:39,291 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:21:39,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:21:39,292 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:21:39,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:21:39,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:21:39,293 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:21:39,293 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:21:39,293 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:21:39,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:21:39,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:21:39,294 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:21:39,294 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:21:39,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:21:39,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:21:39,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:21:39,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:21:39,295 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:21:39,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:21:39,295 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:21:39,296 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:21:39,296 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_0554bbf1-7adf-4f07-9255-0208d4d67a2c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0554bbf1-7adf-4f07-9255-0208d4d67a2c/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9adf580d787f62224e97e4e19700baa564f81557 [2021-10-11 00:21:39,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:21:39,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:21:39,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:21:39,690 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:21:39,691 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:21:39,694 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0554bbf1-7adf-4f07-9255-0208d4d67a2c/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c [2021-10-11 00:21:39,776 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0554bbf1-7adf-4f07-9255-0208d4d67a2c/bin/uautomizer-Z5i5R5N3CC/data/f364b3665/923b9c98cf1c4e5f829c207b9ca9f4d8/FLAG62b422bf5 [2021-10-11 00:21:40,446 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:21:40,451 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0554bbf1-7adf-4f07-9255-0208d4d67a2c/sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c [2021-10-11 00:21:40,475 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0554bbf1-7adf-4f07-9255-0208d4d67a2c/bin/uautomizer-Z5i5R5N3CC/data/f364b3665/923b9c98cf1c4e5f829c207b9ca9f4d8/FLAG62b422bf5 [2021-10-11 00:21:40,716 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0554bbf1-7adf-4f07-9255-0208d4d67a2c/bin/uautomizer-Z5i5R5N3CC/data/f364b3665/923b9c98cf1c4e5f829c207b9ca9f4d8 [2021-10-11 00:21:40,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:21:40,721 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:21:40,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:21:40,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:21:40,726 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:21:40,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:21:40" (1/1) ... [2021-10-11 00:21:40,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@408e4bb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:40, skipping insertion in model container [2021-10-11 00:21:40,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:21:40" (1/1) ... [2021-10-11 00:21:40,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:21:40,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:21:40,971 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_0554bbf1-7adf-4f07-9255-0208d4d67a2c/sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c[1281,1294] [2021-10-11 00:21:41,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:21:41,169 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:21:41,195 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_0554bbf1-7adf-4f07-9255-0208d4d67a2c/sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c[1281,1294] [2021-10-11 00:21:41,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:21:41,343 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:21:41,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:41 WrapperNode [2021-10-11 00:21:41,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:21:41,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:21:41,347 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:21:41,349 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:21:41,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:41" (1/1) ... [2021-10-11 00:21:41,388 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:41" (1/1) ... [2021-10-11 00:21:41,440 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:21:41,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:21:41,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:21:41,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:21:41,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:41" (1/1) ... [2021-10-11 00:21:41,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:41" (1/1) ... [2021-10-11 00:21:41,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:41" (1/1) ... [2021-10-11 00:21:41,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:41" (1/1) ... [2021-10-11 00:21:41,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:41" (1/1) ... [2021-10-11 00:21:41,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:41" (1/1) ... [2021-10-11 00:21:41,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:41" (1/1) ... [2021-10-11 00:21:41,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:21:41,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:21:41,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:21:41,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:21:41,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:41" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0554bbf1-7adf-4f07-9255-0208d4d67a2c/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 00:21:41,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:21:41,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:21:41,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:21:41,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:21:42,738 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:21:42,739 INFO L299 CfgBuilder]: Removed 96 assume(true) statements. [2021-10-11 00:21:42,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:42 BoogieIcfgContainer [2021-10-11 00:21:42,742 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:21:42,744 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:21:42,744 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:21:42,748 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:21:42,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:21:40" (1/3) ... [2021-10-11 00:21:42,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@350a62cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:21:42, skipping insertion in model container [2021-10-11 00:21:42,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:21:41" (2/3) ... [2021-10-11 00:21:42,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@350a62cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:21:42, skipping insertion in model container [2021-10-11 00:21:42,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:42" (3/3) ... [2021-10-11 00:21:42,754 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product25.cil.c [2021-10-11 00:21:42,770 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:21:42,774 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:21:42,786 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:21:42,814 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:21:42,814 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:21:42,814 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:21:42,815 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:21:42,815 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:21:42,815 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:21:42,815 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:21:42,815 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:21:42,832 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2021-10-11 00:21:42,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:21:42,839 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:42,840 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:21:42,840 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:42,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:42,847 INFO L82 PathProgramCache]: Analyzing trace with hash -695057112, now seen corresponding path program 1 times [2021-10-11 00:21:42,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:42,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902005410] [2021-10-11 00:21:42,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:43,150 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 00:21:43,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902005410] [2021-10-11 00:21:43,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:43,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:21:43,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343748425] [2021-10-11 00:21:43,158 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:21:43,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:43,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:21:43,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:21:43,177 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2021-10-11 00:21:43,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:43,225 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2021-10-11 00:21:43,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:21:43,227 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 00:21:43,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:43,247 INFO L225 Difference]: With dead ends: 144 [2021-10-11 00:21:43,247 INFO L226 Difference]: Without dead ends: 71 [2021-10-11 00:21:43,252 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 00:21:43,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-11 00:21:43,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-11 00:21:43,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2021-10-11 00:21:43,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2021-10-11 00:21:43,296 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2021-10-11 00:21:43,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:43,297 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2021-10-11 00:21:43,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:21:43,298 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2021-10-11 00:21:43,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 00:21:43,300 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:43,301 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 00:21:43,301 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:21:43,301 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:43,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:43,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1741814009, now seen corresponding path program 1 times [2021-10-11 00:21:43,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:43,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839642639] [2021-10-11 00:21:43,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:43,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:43,467 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 00:21:43,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839642639] [2021-10-11 00:21:43,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:43,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:21:43,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622066190] [2021-10-11 00:21:43,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:43,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:43,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:43,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:43,471 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2021-10-11 00:21:43,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:43,496 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2021-10-11 00:21:43,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:43,497 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 00:21:43,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:43,498 INFO L225 Difference]: With dead ends: 71 [2021-10-11 00:21:43,498 INFO L226 Difference]: Without dead ends: 33 [2021-10-11 00:21:43,499 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 00:21:43,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-11 00:21:43,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-11 00:21:43,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-10-11 00:21:43,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-10-11 00:21:43,504 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-10-11 00:21:43,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:43,504 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-10-11 00:21:43,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:43,504 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-10-11 00:21:43,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:21:43,505 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:43,505 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 00:21:43,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:21:43,506 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:43,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:43,506 INFO L82 PathProgramCache]: Analyzing trace with hash 379655789, now seen corresponding path program 1 times [2021-10-11 00:21:43,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:43,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427953994] [2021-10-11 00:21:43,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:43,641 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 00:21:43,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427953994] [2021-10-11 00:21:43,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:43,642 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:21:43,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664759848] [2021-10-11 00:21:43,643 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:21:43,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:43,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:21:43,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:21:43,644 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2021-10-11 00:21:43,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:43,659 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2021-10-11 00:21:43,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:21:43,663 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 00:21:43,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:43,664 INFO L225 Difference]: With dead ends: 60 [2021-10-11 00:21:43,664 INFO L226 Difference]: Without dead ends: 33 [2021-10-11 00:21:43,665 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 00:21:43,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-11 00:21:43,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-11 00:21:43,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-10-11 00:21:43,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-10-11 00:21:43,670 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2021-10-11 00:21:43,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:43,671 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-10-11 00:21:43,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:21:43,671 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-10-11 00:21:43,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 00:21:43,672 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:43,672 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 00:21:43,672 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:21:43,672 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:43,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:43,673 INFO L82 PathProgramCache]: Analyzing trace with hash -2095114328, now seen corresponding path program 1 times [2021-10-11 00:21:43,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:43,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172910647] [2021-10-11 00:21:43,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:43,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:43,786 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 00:21:43,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172910647] [2021-10-11 00:21:43,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:43,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:21:43,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278385624] [2021-10-11 00:21:43,787 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:21:43,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:43,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:21:43,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:21:43,788 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2021-10-11 00:21:43,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:43,932 INFO L93 Difference]: Finished difference Result 120 states and 176 transitions. [2021-10-11 00:21:43,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:21:43,932 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2021-10-11 00:21:43,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:43,937 INFO L225 Difference]: With dead ends: 120 [2021-10-11 00:21:43,937 INFO L226 Difference]: Without dead ends: 93 [2021-10-11 00:21:43,939 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:21:43,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-10-11 00:21:43,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 56. [2021-10-11 00:21:43,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2021-10-11 00:21:43,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 77 transitions. [2021-10-11 00:21:43,965 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 77 transitions. Word has length 23 [2021-10-11 00:21:43,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:43,965 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 77 transitions. [2021-10-11 00:21:43,966 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:21:43,966 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2021-10-11 00:21:43,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:21:43,967 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:21:43,968 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 00:21:43,968 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:21:43,968 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:21:43,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:21:43,969 INFO L82 PathProgramCache]: Analyzing trace with hash 320721258, now seen corresponding path program 1 times [2021-10-11 00:21:43,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:21:43,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608053792] [2021-10-11 00:21:43,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:21:44,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:21:44,101 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 00:21:44,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608053792] [2021-10-11 00:21:44,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:21:44,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:21:44,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074728484] [2021-10-11 00:21:44,103 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:21:44,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:21:44,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:21:44,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:21:44,105 INFO L87 Difference]: Start difference. First operand 56 states and 77 transitions. Second operand 5 states. [2021-10-11 00:21:44,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:21:44,192 INFO L93 Difference]: Finished difference Result 124 states and 179 transitions. [2021-10-11 00:21:44,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:21:44,193 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-10-11 00:21:44,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:21:44,193 INFO L225 Difference]: With dead ends: 124 [2021-10-11 00:21:44,193 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:21:44,194 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:21:44,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:21:44,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:21:44,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:21:44,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:21:44,201 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-11 00:21:44,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:21:44,201 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:21:44,202 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:21:44,202 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:21:44,202 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:21:44,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:21:44,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:21:44,482 INFO L258 CegarLoopResult]: At program point L448(lines 443 451) the Hoare annotation is: false [2021-10-11 00:21:44,482 INFO L258 CegarLoopResult]: At program point L448-1(lines 443 451) the Hoare annotation is: false [2021-10-11 00:21:44,482 INFO L262 CegarLoopResult]: For program point L382(lines 382 386) no Hoare annotation was computed. [2021-10-11 00:21:44,482 INFO L258 CegarLoopResult]: At program point L448-2(lines 443 451) the Hoare annotation is: false [2021-10-11 00:21:44,483 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 00:21:44,483 INFO L262 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2021-10-11 00:21:44,483 INFO L258 CegarLoopResult]: At program point L85-1(lines 85 91) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:21:44,484 INFO L258 CegarLoopResult]: At program point L878(lines 874 880) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:21:44,484 INFO L262 CegarLoopResult]: For program point L168(lines 168 185) no Hoare annotation was computed. [2021-10-11 00:21:44,484 INFO L262 CegarLoopResult]: For program point L168-1(lines 168 185) no Hoare annotation was computed. [2021-10-11 00:21:44,484 INFO L262 CegarLoopResult]: For program point L168-2(lines 168 185) no Hoare annotation was computed. [2021-10-11 00:21:44,485 INFO L262 CegarLoopResult]: For program point L350(lines 350 356) no Hoare annotation was computed. [2021-10-11 00:21:44,485 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:21:44,486 INFO L262 CegarLoopResult]: For program point L350-2(lines 350 356) no Hoare annotation was computed. [2021-10-11 00:21:44,486 INFO L262 CegarLoopResult]: For program point L350-4(lines 350 356) no Hoare annotation was computed. [2021-10-11 00:21:44,487 INFO L258 CegarLoopResult]: At program point L136(lines 135 154) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:21:44,487 INFO L262 CegarLoopResult]: For program point L136-1(lines 136 142) no Hoare annotation was computed. [2021-10-11 00:21:44,487 INFO L258 CegarLoopResult]: At program point L136-2(lines 135 154) the Hoare annotation is: false [2021-10-11 00:21:44,488 INFO L258 CegarLoopResult]: At program point L136-3(lines 135 154) the Hoare annotation is: false [2021-10-11 00:21:44,488 INFO L258 CegarLoopResult]: At program point L830-2(lines 830 844) the Hoare annotation is: false [2021-10-11 00:21:44,488 INFO L262 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2021-10-11 00:21:44,488 INFO L262 CegarLoopResult]: For program point L370(lines 370 374) no Hoare annotation was computed. [2021-10-11 00:21:44,488 INFO L262 CegarLoopResult]: For program point L370-3(lines 370 374) no Hoare annotation was computed. [2021-10-11 00:21:44,489 INFO L262 CegarLoopResult]: For program point L172(lines 172 180) no Hoare annotation was computed. [2021-10-11 00:21:44,489 INFO L262 CegarLoopResult]: For program point L370-6(lines 370 374) no Hoare annotation was computed. [2021-10-11 00:21:44,489 INFO L262 CegarLoopResult]: For program point L172-1(lines 172 180) no Hoare annotation was computed. [2021-10-11 00:21:44,489 INFO L262 CegarLoopResult]: For program point L172-2(lines 172 180) no Hoare annotation was computed. [2021-10-11 00:21:44,489 INFO L262 CegarLoopResult]: For program point L288(lines 288 292) no Hoare annotation was computed. [2021-10-11 00:21:44,489 INFO L262 CegarLoopResult]: For program point L288-2(lines 288 292) no Hoare annotation was computed. [2021-10-11 00:21:44,490 INFO L262 CegarLoopResult]: For program point L288-3(lines 288 292) no Hoare annotation was computed. [2021-10-11 00:21:44,491 INFO L262 CegarLoopResult]: For program point L288-5(lines 288 292) no Hoare annotation was computed. [2021-10-11 00:21:44,493 INFO L262 CegarLoopResult]: For program point L288-6(lines 288 292) no Hoare annotation was computed. [2021-10-11 00:21:44,494 INFO L262 CegarLoopResult]: For program point L288-8(lines 288 292) no Hoare annotation was computed. [2021-10-11 00:21:44,494 INFO L258 CegarLoopResult]: At program point L239(lines 234 242) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:21:44,494 INFO L258 CegarLoopResult]: At program point L239-1(lines 234 242) the Hoare annotation is: false [2021-10-11 00:21:44,494 INFO L258 CegarLoopResult]: At program point L239-2(lines 234 242) the Hoare annotation is: false [2021-10-11 00:21:44,494 INFO L262 CegarLoopResult]: For program point L834(lines 834 838) no Hoare annotation was computed. [2021-10-11 00:21:44,495 INFO L262 CegarLoopResult]: For program point L834-1(lines 136 142) no Hoare annotation was computed. [2021-10-11 00:21:44,495 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:21:44,495 INFO L262 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2021-10-11 00:21:44,496 INFO L258 CegarLoopResult]: At program point L75-1(lines 75 81) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:21:44,496 INFO L262 CegarLoopResult]: For program point L901(lines 901 908) no Hoare annotation was computed. [2021-10-11 00:21:44,501 INFO L265 CegarLoopResult]: At program point L901-1(lines 901 908) the Hoare annotation is: true [2021-10-11 00:21:44,508 INFO L258 CegarLoopResult]: At program point L439(lines 434 442) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:21:44,509 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 00:21:44,509 INFO L258 CegarLoopResult]: At program point L439-1(lines 434 442) the Hoare annotation is: false [2021-10-11 00:21:44,509 INFO L258 CegarLoopResult]: At program point L439-2(lines 434 442) the Hoare annotation is: false [2021-10-11 00:21:44,509 INFO L258 CegarLoopResult]: At program point L324(lines 1 913) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:21:44,510 INFO L258 CegarLoopResult]: At program point L143(lines 143 149) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:21:44,510 INFO L258 CegarLoopResult]: At program point L143-1(lines 143 149) the Hoare annotation is: false [2021-10-11 00:21:44,510 INFO L258 CegarLoopResult]: At program point L143-2(lines 143 149) the Hoare annotation is: false [2021-10-11 00:21:44,510 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:21:44,510 INFO L258 CegarLoopResult]: At program point L111(lines 64 112) the Hoare annotation is: false [2021-10-11 00:21:44,510 INFO L262 CegarLoopResult]: For program point L95(lines 95 106) no Hoare annotation was computed. [2021-10-11 00:21:44,511 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-11 00:21:44,511 INFO L262 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-10-11 00:21:44,511 INFO L262 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-10-11 00:21:44,511 INFO L258 CegarLoopResult]: At program point L294(lines 279 297) the Hoare annotation is: false [2021-10-11 00:21:44,511 INFO L258 CegarLoopResult]: At program point L294-1(lines 279 297) the Hoare annotation is: false [2021-10-11 00:21:44,511 INFO L258 CegarLoopResult]: At program point L294-2(lines 279 297) the Hoare annotation is: false [2021-10-11 00:21:44,512 INFO L262 CegarLoopResult]: For program point L394(lines 394 398) no Hoare annotation was computed. [2021-10-11 00:21:44,512 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:21:44,512 INFO L262 CegarLoopResult]: For program point L346(lines 346 359) no Hoare annotation was computed. [2021-10-11 00:21:44,512 INFO L258 CegarLoopResult]: At program point L346-1(lines 1 913) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:21:44,513 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 00:21:44,513 INFO L262 CegarLoopResult]: For program point L346-2(lines 346 359) no Hoare annotation was computed. [2021-10-11 00:21:44,513 INFO L258 CegarLoopResult]: At program point L346-3(lines 1 913) the Hoare annotation is: false [2021-10-11 00:21:44,513 INFO L262 CegarLoopResult]: For program point L346-4(lines 346 359) no Hoare annotation was computed. [2021-10-11 00:21:44,514 INFO L258 CegarLoopResult]: At program point L346-5(lines 1 913) the Hoare annotation is: false [2021-10-11 00:21:44,514 INFO L262 CegarLoopResult]: For program point L66(lines 65 110) no Hoare annotation was computed. [2021-10-11 00:21:44,514 INFO L262 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-10-11 00:21:44,515 INFO L265 CegarLoopResult]: At program point L910(lines 891 913) the Hoare annotation is: true [2021-10-11 00:21:44,515 INFO L258 CegarLoopResult]: At program point L332(lines 327 335) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:21:44,516 INFO L262 CegarLoopResult]: For program point L101(lines 101 105) no Hoare annotation was computed. [2021-10-11 00:21:44,516 INFO L262 CegarLoopResult]: For program point L101-2(lines 136 142) no Hoare annotation was computed. [2021-10-11 00:21:44,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:21:44 BoogieIcfgContainer [2021-10-11 00:21:44,546 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:21:44,546 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:21:44,546 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:21:44,547 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:21:44,547 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:21:42" (3/4) ... [2021-10-11 00:21:44,551 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:21:44,573 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:21:44,574 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:21:44,575 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:21:44,576 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:21:44,577 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:21:44,577 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:21:44,578 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:21:44,607 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2021-10-11 00:21:44,663 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0554bbf1-7adf-4f07-9255-0208d4d67a2c/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:21:44,663 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:21:44,665 INFO L168 Benchmark]: Toolchain (without parser) took 3944.00 ms. Allocated memory was 86.0 MB in the beginning and 134.2 MB in the end (delta: 48.2 MB). Free memory was 49.9 MB in the beginning and 100.1 MB in the end (delta: -50.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:21:44,666 INFO L168 Benchmark]: CDTParser took 0.69 ms. Allocated memory is still 86.0 MB. Free memory is still 67.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:21:44,666 INFO L168 Benchmark]: CACSL2BoogieTranslator took 622.38 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 49.7 MB in the beginning and 71.5 MB in the end (delta: -21.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:44,667 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.09 ms. Allocated memory is still 104.9 MB. Free memory was 71.5 MB in the beginning and 68.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:44,667 INFO L168 Benchmark]: Boogie Preprocessor took 74.92 ms. Allocated memory is still 104.9 MB. Free memory was 68.7 MB in the beginning and 66.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:44,668 INFO L168 Benchmark]: RCFGBuilder took 1225.34 ms. Allocated memory is still 104.9 MB. Free memory was 66.5 MB in the beginning and 60.4 MB in the end (delta: 6.0 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:44,668 INFO L168 Benchmark]: TraceAbstraction took 1801.72 ms. Allocated memory was 104.9 MB in the beginning and 134.2 MB in the end (delta: 29.4 MB). Free memory was 60.4 MB in the beginning and 107.4 MB in the end (delta: -47.0 MB). Peak memory consumption was 31.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:44,669 INFO L168 Benchmark]: Witness Printer took 117.38 ms. Allocated memory is still 134.2 MB. Free memory was 107.4 MB in the beginning and 100.1 MB in the end (delta: 7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:44,671 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69 ms. Allocated memory is still 86.0 MB. Free memory is still 67.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 622.38 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 49.7 MB in the beginning and 71.5 MB in the end (delta: -21.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 94.09 ms. Allocated memory is still 104.9 MB. Free memory was 71.5 MB in the beginning and 68.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 74.92 ms. Allocated memory is still 104.9 MB. Free memory was 68.7 MB in the beginning and 66.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1225.34 ms. Allocated memory is still 104.9 MB. Free memory was 66.5 MB in the beginning and 60.4 MB in the end (delta: 6.0 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1801.72 ms. Allocated memory was 104.9 MB in the beginning and 134.2 MB in the end (delta: 29.4 MB). Free memory was 60.4 MB in the beginning and 107.4 MB in the end (delta: -47.0 MB). Peak memory consumption was 31.1 MB. Max. memory is 16.1 GB. * Witness Printer took 117.38 ms. Allocated memory is still 134.2 MB. Free memory was 107.4 MB in the beginning and 100.1 MB in the end (delta: 7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: 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: 901]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 307 SDtfs, 272 SDslu, 210 SDs, 0 SdLazy, 55 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 37 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 56 NumberOfFragments, 123 HoareAnnotationTreeSize, 30 FomulaSimplifications, 395 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 30 FomulaSimplificationsInter, 120 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4477 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...