./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product16.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_5aa4ba83-777a-4f6e-89e1-774d2daccf52/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa4ba83-777a-4f6e-89e1-774d2daccf52/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_5aa4ba83-777a-4f6e-89e1-774d2daccf52/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa4ba83-777a-4f6e-89e1-774d2daccf52/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa4ba83-777a-4f6e-89e1-774d2daccf52/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_5aa4ba83-777a-4f6e-89e1-774d2daccf52/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 68aa035b1d1dd9e3f4370c219765c8518f721ed8 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:31:10,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:31:10,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:31:10,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:31:10,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:31:10,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:31:10,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:31:10,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:31:10,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:31:10,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:31:10,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:31:10,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:31:10,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:31:10,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:31:10,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:31:10,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:31:10,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:31:10,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:31:10,562 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:31:10,564 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:31:10,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:31:10,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:31:10,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:31:10,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:31:10,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:31:10,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:31:10,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:31:10,577 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:31:10,578 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:31:10,579 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:31:10,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:31:10,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:31:10,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:31:10,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:31:10,584 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:31:10,584 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:31:10,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:31:10,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:31:10,586 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:31:10,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:31:10,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:31:10,589 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa4ba83-777a-4f6e-89e1-774d2daccf52/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:31:10,612 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:31:10,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:31:10,614 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:31:10,614 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:31:10,614 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:31:10,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:31:10,615 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:31:10,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:31:10,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:31:10,616 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:31:10,616 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:31:10,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:31:10,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:31:10,616 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:31:10,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:31:10,617 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:31:10,617 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:31:10,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:31:10,617 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:31:10,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:31:10,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:31:10,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:31:10,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:31:10,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:31:10,619 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:31:10,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:31:10,619 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:31:10,620 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:31:10,620 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_5aa4ba83-777a-4f6e-89e1-774d2daccf52/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa4ba83-777a-4f6e-89e1-774d2daccf52/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68aa035b1d1dd9e3f4370c219765c8518f721ed8 [2021-10-11 00:31:10,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:31:10,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:31:10,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:31:10,948 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:31:10,949 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:31:10,952 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa4ba83-777a-4f6e-89e1-774d2daccf52/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2021-10-11 00:31:11,026 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa4ba83-777a-4f6e-89e1-774d2daccf52/bin/uautomizer-Z5i5R5N3CC/data/af8f19017/abf6b688df2f428d96717b9efcadd497/FLAGbeed69461 [2021-10-11 00:31:11,573 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:31:11,573 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa4ba83-777a-4f6e-89e1-774d2daccf52/sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2021-10-11 00:31:11,586 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa4ba83-777a-4f6e-89e1-774d2daccf52/bin/uautomizer-Z5i5R5N3CC/data/af8f19017/abf6b688df2f428d96717b9efcadd497/FLAGbeed69461 [2021-10-11 00:31:11,861 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa4ba83-777a-4f6e-89e1-774d2daccf52/bin/uautomizer-Z5i5R5N3CC/data/af8f19017/abf6b688df2f428d96717b9efcadd497 [2021-10-11 00:31:11,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:31:11,864 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:31:11,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:31:11,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:31:11,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:31:11,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:31:11" (1/1) ... [2021-10-11 00:31:11,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45b3fffb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:11, skipping insertion in model container [2021-10-11 00:31:11,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:31:11" (1/1) ... [2021-10-11 00:31:11,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:31:11,953 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:31:12,151 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_5aa4ba83-777a-4f6e-89e1-774d2daccf52/sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c[4577,4590] [2021-10-11 00:31:12,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:31:12,231 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:31:12,272 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_5aa4ba83-777a-4f6e-89e1-774d2daccf52/sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c[4577,4590] [2021-10-11 00:31:12,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:31:12,393 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:31:12,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:12 WrapperNode [2021-10-11 00:31:12,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:31:12,396 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:31:12,396 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:31:12,398 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:31:12,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:12" (1/1) ... [2021-10-11 00:31:12,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:12" (1/1) ... [2021-10-11 00:31:12,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:31:12,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:31:12,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:31:12,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:31:12,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:12" (1/1) ... [2021-10-11 00:31:12,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:12" (1/1) ... [2021-10-11 00:31:12,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:12" (1/1) ... [2021-10-11 00:31:12,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:12" (1/1) ... [2021-10-11 00:31:12,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:12" (1/1) ... [2021-10-11 00:31:12,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:12" (1/1) ... [2021-10-11 00:31:12,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:12" (1/1) ... [2021-10-11 00:31:12,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:31:12,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:31:12,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:31:12,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:31:12,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:12" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa4ba83-777a-4f6e-89e1-774d2daccf52/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 00:31:12,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:31:12,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:31:12,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:31:12,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:31:13,429 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:31:13,429 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-10-11 00:31:13,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:13 BoogieIcfgContainer [2021-10-11 00:31:13,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:31:13,433 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:31:13,433 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:31:13,437 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:31:13,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:31:11" (1/3) ... [2021-10-11 00:31:13,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79c09517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:31:13, skipping insertion in model container [2021-10-11 00:31:13,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:12" (2/3) ... [2021-10-11 00:31:13,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79c09517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:31:13, skipping insertion in model container [2021-10-11 00:31:13,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:13" (3/3) ... [2021-10-11 00:31:13,441 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product16.cil.c [2021-10-11 00:31:13,454 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:31:13,458 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:31:13,469 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:31:13,494 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:31:13,494 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:31:13,495 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:31:13,495 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:31:13,495 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:31:13,495 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:31:13,496 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:31:13,496 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:31:13,511 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2021-10-11 00:31:13,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:31:13,518 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:13,518 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:13,519 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:13,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:13,525 INFO L82 PathProgramCache]: Analyzing trace with hash -262370748, now seen corresponding path program 1 times [2021-10-11 00:31:13,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:13,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70046932] [2021-10-11 00:31:13,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:13,827 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 00:31:13,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70046932] [2021-10-11 00:31:13,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:13,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:31:13,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639099734] [2021-10-11 00:31:13,834 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:31:13,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:13,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:31:13,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:31:13,856 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2021-10-11 00:31:13,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:13,899 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2021-10-11 00:31:13,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:31:13,901 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 00:31:13,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:13,919 INFO L225 Difference]: With dead ends: 136 [2021-10-11 00:31:13,920 INFO L226 Difference]: Without dead ends: 67 [2021-10-11 00:31:13,923 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 00:31:13,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-10-11 00:31:13,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2021-10-11 00:31:13,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2021-10-11 00:31:13,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2021-10-11 00:31:13,964 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2021-10-11 00:31:13,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:13,965 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2021-10-11 00:31:13,965 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:31:13,965 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2021-10-11 00:31:13,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 00:31:13,966 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:13,967 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 00:31:13,967 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:31:13,967 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:13,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:13,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1309127645, now seen corresponding path program 1 times [2021-10-11 00:31:13,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:13,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46791094] [2021-10-11 00:31:13,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:14,132 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 00:31:14,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46791094] [2021-10-11 00:31:14,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:14,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:31:14,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29611289] [2021-10-11 00:31:14,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:31:14,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:14,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:31:14,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:31:14,139 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 3 states. [2021-10-11 00:31:14,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:14,157 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2021-10-11 00:31:14,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:31:14,161 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 00:31:14,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:14,164 INFO L225 Difference]: With dead ends: 67 [2021-10-11 00:31:14,165 INFO L226 Difference]: Without dead ends: 33 [2021-10-11 00:31:14,166 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 00:31:14,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-11 00:31:14,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-11 00:31:14,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-10-11 00:31:14,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-10-11 00:31:14,182 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-10-11 00:31:14,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:14,182 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-10-11 00:31:14,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:31:14,182 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-10-11 00:31:14,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:31:14,183 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:14,184 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 00:31:14,185 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:31:14,186 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:14,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:14,188 INFO L82 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2021-10-11 00:31:14,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:14,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450083273] [2021-10-11 00:31:14,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:14,325 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 00:31:14,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450083273] [2021-10-11 00:31:14,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:14,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:31:14,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686490460] [2021-10-11 00:31:14,327 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:31:14,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:14,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:31:14,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:31:14,329 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2021-10-11 00:31:14,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:14,384 INFO L93 Difference]: Finished difference Result 87 states and 126 transitions. [2021-10-11 00:31:14,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:31:14,385 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 00:31:14,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:14,386 INFO L225 Difference]: With dead ends: 87 [2021-10-11 00:31:14,387 INFO L226 Difference]: Without dead ends: 60 [2021-10-11 00:31:14,389 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 00:31:14,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-10-11 00:31:14,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2021-10-11 00:31:14,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2021-10-11 00:31:14,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2021-10-11 00:31:14,398 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 22 [2021-10-11 00:31:14,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:14,398 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2021-10-11 00:31:14,398 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:31:14,398 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2021-10-11 00:31:14,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 00:31:14,399 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:14,400 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 00:31:14,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:31:14,400 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:14,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:14,401 INFO L82 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2021-10-11 00:31:14,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:14,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068883028] [2021-10-11 00:31:14,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:14,524 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 00:31:14,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068883028] [2021-10-11 00:31:14,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:14,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:31:14,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526257317] [2021-10-11 00:31:14,527 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:31:14,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:14,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:31:14,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:31:14,530 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand 5 states. [2021-10-11 00:31:14,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:14,706 INFO L93 Difference]: Finished difference Result 260 states and 398 transitions. [2021-10-11 00:31:14,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:31:14,706 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2021-10-11 00:31:14,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:14,709 INFO L225 Difference]: With dead ends: 260 [2021-10-11 00:31:14,709 INFO L226 Difference]: Without dead ends: 210 [2021-10-11 00:31:14,710 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:31:14,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2021-10-11 00:31:14,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 100. [2021-10-11 00:31:14,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2021-10-11 00:31:14,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 145 transitions. [2021-10-11 00:31:14,730 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 145 transitions. Word has length 23 [2021-10-11 00:31:14,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:14,730 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 145 transitions. [2021-10-11 00:31:14,730 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:31:14,731 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 145 transitions. [2021-10-11 00:31:14,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:31:14,732 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:14,732 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 00:31:14,733 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:31:14,736 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:14,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:14,737 INFO L82 PathProgramCache]: Analyzing trace with hash 1962564181, now seen corresponding path program 1 times [2021-10-11 00:31:14,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:14,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835969586] [2021-10-11 00:31:14,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:14,852 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 00:31:14,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835969586] [2021-10-11 00:31:14,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:14,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:31:14,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265826630] [2021-10-11 00:31:14,854 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:31:14,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:14,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:31:14,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:31:14,859 INFO L87 Difference]: Start difference. First operand 100 states and 145 transitions. Second operand 5 states. [2021-10-11 00:31:14,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:14,953 INFO L93 Difference]: Finished difference Result 296 states and 443 transitions. [2021-10-11 00:31:14,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:31:14,955 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-10-11 00:31:14,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:14,956 INFO L225 Difference]: With dead ends: 296 [2021-10-11 00:31:14,956 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:31:14,960 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 00:31:14,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:31:14,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:31:14,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:31:14,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:31:14,961 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-11 00:31:14,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:14,962 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:31:14,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:31:14,962 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:31:14,962 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:31:14,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:31:14,965 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:31:15,222 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 297) no Hoare annotation was computed. [2021-10-11 00:31:15,222 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:31:15,222 INFO L262 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2021-10-11 00:31:15,223 INFO L262 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2021-10-11 00:31:15,224 INFO L262 CegarLoopResult]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2021-10-11 00:31:15,224 INFO L258 CegarLoopResult]: At program point L781(lines 776 784) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:31:15,224 INFO L258 CegarLoopResult]: At program point L781-1(lines 776 784) the Hoare annotation is: false [2021-10-11 00:31:15,224 INFO L262 CegarLoopResult]: For program point L715(lines 715 723) no Hoare annotation was computed. [2021-10-11 00:31:15,225 INFO L258 CegarLoopResult]: At program point L781-2(lines 776 784) the Hoare annotation is: false [2021-10-11 00:31:15,225 INFO L262 CegarLoopResult]: For program point L715-1(lines 715 723) no Hoare annotation was computed. [2021-10-11 00:31:15,225 INFO L262 CegarLoopResult]: For program point L715-2(lines 715 723) no Hoare annotation was computed. [2021-10-11 00:31:15,225 INFO L262 CegarLoopResult]: For program point L138(lines 138 151) no Hoare annotation was computed. [2021-10-11 00:31:15,225 INFO L258 CegarLoopResult]: At program point L138-1(lines 1 912) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:31:15,225 INFO L262 CegarLoopResult]: For program point L138-2(lines 138 151) no Hoare annotation was computed. [2021-10-11 00:31:15,226 INFO L258 CegarLoopResult]: At program point L138-3(lines 1 912) the Hoare annotation is: false [2021-10-11 00:31:15,226 INFO L262 CegarLoopResult]: For program point L138-4(lines 138 151) no Hoare annotation was computed. [2021-10-11 00:31:15,226 INFO L258 CegarLoopResult]: At program point L138-5(lines 1 912) the Hoare annotation is: false [2021-10-11 00:31:15,226 INFO L262 CegarLoopResult]: For program point L865(lines 865 871) no Hoare annotation was computed. [2021-10-11 00:31:15,226 INFO L258 CegarLoopResult]: At program point L865-1(lines 865 871) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:31:15,227 INFO L265 CegarLoopResult]: At program point L288(lines 269 291) the Hoare annotation is: true [2021-10-11 00:31:15,227 INFO L258 CegarLoopResult]: At program point L255(lines 251 257) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:31:15,228 INFO L258 CegarLoopResult]: At program point L189(lines 184 192) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:31:15,228 INFO L258 CegarLoopResult]: At program point L206-2(lines 206 220) the Hoare annotation is: false [2021-10-11 00:31:15,228 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:31:15,228 INFO L258 CegarLoopResult]: At program point L91(lines 86 94) the Hoare annotation is: false [2021-10-11 00:31:15,228 INFO L258 CegarLoopResult]: At program point L91-1(lines 86 94) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:31:15,228 INFO L258 CegarLoopResult]: At program point L91-2(lines 86 94) the Hoare annotation is: false [2021-10-11 00:31:15,229 INFO L258 CegarLoopResult]: At program point L91-3(lines 86 94) the Hoare annotation is: false [2021-10-11 00:31:15,229 INFO L258 CegarLoopResult]: At program point L91-4(lines 86 94) the Hoare annotation is: false [2021-10-11 00:31:15,229 INFO L258 CegarLoopResult]: At program point L91-5(lines 86 94) the Hoare annotation is: false [2021-10-11 00:31:15,230 INFO L262 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2021-10-11 00:31:15,233 INFO L258 CegarLoopResult]: At program point L686(lines 686 692) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:31:15,234 INFO L258 CegarLoopResult]: At program point L686-1(lines 686 692) the Hoare annotation is: false [2021-10-11 00:31:15,234 INFO L258 CegarLoopResult]: At program point L686-2(lines 686 692) the Hoare annotation is: false [2021-10-11 00:31:15,234 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 297) no Hoare annotation was computed. [2021-10-11 00:31:15,234 INFO L262 CegarLoopResult]: For program point L885(lines 885 900) no Hoare annotation was computed. [2021-10-11 00:31:15,234 INFO L262 CegarLoopResult]: For program point L142(lines 142 148) no Hoare annotation was computed. [2021-10-11 00:31:15,235 INFO L262 CegarLoopResult]: For program point L142-2(lines 142 148) no Hoare annotation was computed. [2021-10-11 00:31:15,235 INFO L262 CegarLoopResult]: For program point L142-4(lines 142 148) no Hoare annotation was computed. [2021-10-11 00:31:15,235 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:31:15,235 INFO L262 CegarLoopResult]: For program point L210(lines 210 214) no Hoare annotation was computed. [2021-10-11 00:31:15,235 INFO L262 CegarLoopResult]: For program point L210-1(lines 679 685) no Hoare annotation was computed. [2021-10-11 00:31:15,235 INFO L262 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2021-10-11 00:31:15,241 INFO L258 CegarLoopResult]: At program point L772(lines 765 775) the Hoare annotation is: false [2021-10-11 00:31:15,242 INFO L258 CegarLoopResult]: At program point L772-1(lines 765 775) the Hoare annotation is: false [2021-10-11 00:31:15,242 INFO L258 CegarLoopResult]: At program point L772-2(lines 765 775) the Hoare annotation is: false [2021-10-11 00:31:15,242 INFO L258 CegarLoopResult]: At program point L905(lines 854 906) the Hoare annotation is: false [2021-10-11 00:31:15,242 INFO L262 CegarLoopResult]: For program point L856(lines 855 904) no Hoare annotation was computed. [2021-10-11 00:31:15,242 INFO L262 CegarLoopResult]: For program point L857(lines 857 861) no Hoare annotation was computed. [2021-10-11 00:31:15,242 INFO L262 CegarLoopResult]: For program point L279(lines 279 286) no Hoare annotation was computed. [2021-10-11 00:31:15,243 INFO L265 CegarLoopResult]: At program point L279-1(lines 279 286) the Hoare annotation is: true [2021-10-11 00:31:15,243 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:31:15,243 INFO L262 CegarLoopResult]: For program point L825(lines 825 831) no Hoare annotation was computed. [2021-10-11 00:31:15,243 INFO L258 CegarLoopResult]: At program point L825-1(lines 825 831) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:31:15,243 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 297) no Hoare annotation was computed. [2021-10-11 00:31:15,243 INFO L258 CegarLoopResult]: At program point L181(lines 1 912) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:31:15,244 INFO L262 CegarLoopResult]: For program point L875(lines 875 881) no Hoare annotation was computed. [2021-10-11 00:31:15,244 INFO L258 CegarLoopResult]: At program point L875-1(lines 875 881) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:31:15,244 INFO L262 CegarLoopResult]: For program point L297(line 297) no Hoare annotation was computed. [2021-10-11 00:31:15,244 INFO L262 CegarLoopResult]: For program point L297-1(line 297) no Hoare annotation was computed. [2021-10-11 00:31:15,244 INFO L262 CegarLoopResult]: For program point L297-2(line 297) no Hoare annotation was computed. [2021-10-11 00:31:15,244 INFO L262 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-10-11 00:31:15,245 INFO L262 CegarLoopResult]: For program point L711(lines 711 728) no Hoare annotation was computed. [2021-10-11 00:31:15,245 INFO L262 CegarLoopResult]: For program point L711-1(lines 711 728) no Hoare annotation was computed. [2021-10-11 00:31:15,245 INFO L262 CegarLoopResult]: For program point L711-2(lines 711 728) no Hoare annotation was computed. [2021-10-11 00:31:15,245 INFO L262 CegarLoopResult]: For program point L893(lines 893 899) no Hoare annotation was computed. [2021-10-11 00:31:15,246 INFO L258 CegarLoopResult]: At program point L893-1(lines 679 685) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:31:15,247 INFO L258 CegarLoopResult]: At program point L679(lines 678 697) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:31:15,247 INFO L262 CegarLoopResult]: For program point L679-1(lines 679 685) no Hoare annotation was computed. [2021-10-11 00:31:15,248 INFO L258 CegarLoopResult]: At program point L679-2(lines 678 697) the Hoare annotation is: false [2021-10-11 00:31:15,248 INFO L258 CegarLoopResult]: At program point L679-3(lines 678 697) the Hoare annotation is: false [2021-10-11 00:31:15,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:31:15 BoogieIcfgContainer [2021-10-11 00:31:15,273 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:31:15,274 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:31:15,274 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:31:15,274 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:31:15,275 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:13" (3/4) ... [2021-10-11 00:31:15,278 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:31:15,300 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:31:15,301 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:31:15,301 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:31:15,302 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:31:15,303 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:31:15,303 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:31:15,304 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:31:15,339 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2021-10-11 00:31:15,390 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aa4ba83-777a-4f6e-89e1-774d2daccf52/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:31:15,390 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:31:15,391 INFO L168 Benchmark]: Toolchain (without parser) took 3527.11 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 46.7 MB in the beginning and 76.8 MB in the end (delta: -30.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:31:15,392 INFO L168 Benchmark]: CDTParser took 0.65 ms. Allocated memory is still 86.0 MB. Free memory was 63.8 MB in the beginning and 63.7 MB in the end (delta: 41.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:31:15,392 INFO L168 Benchmark]: CACSL2BoogieTranslator took 526.03 ms. Allocated memory is still 86.0 MB. Free memory was 46.5 MB in the beginning and 52.8 MB in the end (delta: -6.3 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:15,392 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.90 ms. Allocated memory is still 86.0 MB. Free memory was 52.6 MB in the beginning and 49.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:15,393 INFO L168 Benchmark]: Boogie Preprocessor took 40.53 ms. Allocated memory is still 86.0 MB. Free memory was 49.8 MB in the beginning and 47.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:15,393 INFO L168 Benchmark]: RCFGBuilder took 903.55 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 47.5 MB in the beginning and 51.7 MB in the end (delta: -4.1 MB). Peak memory consumption was 23.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:15,393 INFO L168 Benchmark]: TraceAbstraction took 1840.16 ms. Allocated memory is still 113.2 MB. Free memory was 51.7 MB in the beginning and 83.1 MB in the end (delta: -31.4 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:15,394 INFO L168 Benchmark]: Witness Printer took 116.24 ms. Allocated memory is still 113.2 MB. Free memory was 83.1 MB in the beginning and 76.8 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:15,395 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65 ms. Allocated memory is still 86.0 MB. Free memory was 63.8 MB in the beginning and 63.7 MB in the end (delta: 41.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 526.03 ms. Allocated memory is still 86.0 MB. Free memory was 46.5 MB in the beginning and 52.8 MB in the end (delta: -6.3 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.90 ms. Allocated memory is still 86.0 MB. Free memory was 52.6 MB in the beginning and 49.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.53 ms. Allocated memory is still 86.0 MB. Free memory was 49.8 MB in the beginning and 47.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 903.55 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 47.5 MB in the beginning and 51.7 MB in the end (delta: -4.1 MB). Peak memory consumption was 23.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1840.16 ms. Allocated memory is still 113.2 MB. Free memory was 51.7 MB in the beginning and 83.1 MB in the end (delta: -31.4 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. * Witness Printer took 116.24 ms. Allocated memory is still 113.2 MB. Free memory was 83.1 MB in the beginning and 76.8 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: 297]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 297]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 297]: 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: 86]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 308 SDtfs, 317 SDslu, 299 SDs, 0 SdLazy, 61 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 114 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 2748 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 3931 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...