./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product10.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_6fa1bd03-025a-4119-a9ff-c6fff322f683/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa1bd03-025a-4119-a9ff-c6fff322f683/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_6fa1bd03-025a-4119-a9ff-c6fff322f683/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa1bd03-025a-4119-a9ff-c6fff322f683/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa1bd03-025a-4119-a9ff-c6fff322f683/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_6fa1bd03-025a-4119-a9ff-c6fff322f683/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 2b192e470c41b75933f65965ba2800987829e5a8 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:24:45,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:24:45,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:24:45,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:24:45,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:24:45,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:24:45,528 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:24:45,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:24:45,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:24:45,546 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:24:45,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:24:45,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:24:45,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:24:45,552 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:24:45,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:24:45,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:24:45,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:24:45,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:24:45,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:24:45,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:24:45,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:24:45,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:24:45,582 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:24:45,583 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:24:45,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:24:45,587 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:24:45,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:24:45,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:24:45,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:24:45,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:24:45,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:24:45,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:24:45,595 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:24:45,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:24:45,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:24:45,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:24:45,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:24:45,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:24:45,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:24:45,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:24:45,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:24:45,604 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa1bd03-025a-4119-a9ff-c6fff322f683/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:24:45,649 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:24:45,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:24:45,650 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:24:45,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:24:45,651 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:24:45,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:24:45,651 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:24:45,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:24:45,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:24:45,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:24:45,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:24:45,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:24:45,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:24:45,653 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:24:45,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:24:45,653 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:24:45,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:24:45,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:24:45,654 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:24:45,654 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:24:45,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:24:45,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:24:45,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:24:45,655 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:24:45,655 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:24:45,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:24:45,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:24:45,656 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:24:45,656 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_6fa1bd03-025a-4119-a9ff-c6fff322f683/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa1bd03-025a-4119-a9ff-c6fff322f683/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b192e470c41b75933f65965ba2800987829e5a8 [2021-10-11 00:24:45,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:24:45,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:24:45,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:24:45,989 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:24:45,990 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:24:45,992 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa1bd03-025a-4119-a9ff-c6fff322f683/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2021-10-11 00:24:46,075 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa1bd03-025a-4119-a9ff-c6fff322f683/bin/uautomizer-Z5i5R5N3CC/data/648e7628c/91caaa6bfa3d4cb7b0b9610e84728eeb/FLAGf77b7125e [2021-10-11 00:24:46,626 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:24:46,627 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa1bd03-025a-4119-a9ff-c6fff322f683/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2021-10-11 00:24:46,642 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa1bd03-025a-4119-a9ff-c6fff322f683/bin/uautomizer-Z5i5R5N3CC/data/648e7628c/91caaa6bfa3d4cb7b0b9610e84728eeb/FLAGf77b7125e [2021-10-11 00:24:46,916 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa1bd03-025a-4119-a9ff-c6fff322f683/bin/uautomizer-Z5i5R5N3CC/data/648e7628c/91caaa6bfa3d4cb7b0b9610e84728eeb [2021-10-11 00:24:46,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:24:46,921 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:24:46,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:24:46,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:24:46,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:24:46,928 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:24:46" (1/1) ... [2021-10-11 00:24:46,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@422d23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:46, skipping insertion in model container [2021-10-11 00:24:46,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:24:46" (1/1) ... [2021-10-11 00:24:46,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:24:47,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:24:47,278 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_6fa1bd03-025a-4119-a9ff-c6fff322f683/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c[11394,11407] [2021-10-11 00:24:47,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:24:47,356 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:24:47,409 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_6fa1bd03-025a-4119-a9ff-c6fff322f683/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c[11394,11407] [2021-10-11 00:24:47,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:24:47,481 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:24:47,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:47 WrapperNode [2021-10-11 00:24:47,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:24:47,483 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:24:47,483 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:24:47,483 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:24:47,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:47" (1/1) ... [2021-10-11 00:24:47,509 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:47" (1/1) ... [2021-10-11 00:24:47,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:24:47,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:24:47,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:24:47,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:24:47,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:47" (1/1) ... [2021-10-11 00:24:47,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:47" (1/1) ... [2021-10-11 00:24:47,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:47" (1/1) ... [2021-10-11 00:24:47,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:47" (1/1) ... [2021-10-11 00:24:47,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:47" (1/1) ... [2021-10-11 00:24:47,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:47" (1/1) ... [2021-10-11 00:24:47,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:47" (1/1) ... [2021-10-11 00:24:47,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:24:47,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:24:47,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:24:47,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:24:47,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:47" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa1bd03-025a-4119-a9ff-c6fff322f683/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 00:24:47,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:24:47,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:24:47,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:24:47,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:24:48,705 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:24:48,705 INFO L299 CfgBuilder]: Removed 68 assume(true) statements. [2021-10-11 00:24:48,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:24:48 BoogieIcfgContainer [2021-10-11 00:24:48,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:24:48,711 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:24:48,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:24:48,716 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:24:48,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:24:46" (1/3) ... [2021-10-11 00:24:48,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3893e27e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:24:48, skipping insertion in model container [2021-10-11 00:24:48,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:47" (2/3) ... [2021-10-11 00:24:48,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3893e27e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:24:48, skipping insertion in model container [2021-10-11 00:24:48,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:24:48" (3/3) ... [2021-10-11 00:24:48,720 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product10.cil.c [2021-10-11 00:24:48,736 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:24:48,741 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:24:48,753 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:24:48,796 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:24:48,796 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:24:48,796 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:24:48,796 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:24:48,796 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:24:48,796 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:24:48,797 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:24:48,797 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:24:48,813 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2021-10-11 00:24:48,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:24:48,819 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:48,820 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:24:48,820 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:48,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:48,826 INFO L82 PathProgramCache]: Analyzing trace with hash 1537784819, now seen corresponding path program 1 times [2021-10-11 00:24:48,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:48,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515038655] [2021-10-11 00:24:48,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:49,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:49,126 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 00:24:49,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515038655] [2021-10-11 00:24:49,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:49,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:24:49,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824211944] [2021-10-11 00:24:49,133 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:24:49,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:49,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:24:49,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:24:49,149 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2021-10-11 00:24:49,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:49,178 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2021-10-11 00:24:49,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:24:49,179 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 00:24:49,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:49,198 INFO L225 Difference]: With dead ends: 108 [2021-10-11 00:24:49,199 INFO L226 Difference]: Without dead ends: 53 [2021-10-11 00:24:49,210 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 00:24:49,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-11 00:24:49,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-11 00:24:49,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-10-11 00:24:49,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2021-10-11 00:24:49,244 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2021-10-11 00:24:49,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:49,244 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2021-10-11 00:24:49,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:24:49,245 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2021-10-11 00:24:49,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 00:24:49,246 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:49,246 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 00:24:49,246 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:24:49,246 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:49,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:49,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1979941713, now seen corresponding path program 1 times [2021-10-11 00:24:49,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:49,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600835110] [2021-10-11 00:24:49,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:49,420 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 00:24:49,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600835110] [2021-10-11 00:24:49,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:49,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:24:49,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240267194] [2021-10-11 00:24:49,424 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:24:49,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:49,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:24:49,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:24:49,429 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 3 states. [2021-10-11 00:24:49,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:49,443 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2021-10-11 00:24:49,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:24:49,444 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 00:24:49,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:49,445 INFO L225 Difference]: With dead ends: 53 [2021-10-11 00:24:49,445 INFO L226 Difference]: Without dead ends: 27 [2021-10-11 00:24:49,446 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 00:24:49,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-11 00:24:49,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-10-11 00:24:49,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-10-11 00:24:49,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2021-10-11 00:24:49,450 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2021-10-11 00:24:49,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:49,451 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2021-10-11 00:24:49,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:24:49,451 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-10-11 00:24:49,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:24:49,452 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:49,452 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 00:24:49,454 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:24:49,454 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:49,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:49,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1992386864, now seen corresponding path program 1 times [2021-10-11 00:24:49,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:49,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062732527] [2021-10-11 00:24:49,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:49,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:24:49,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062732527] [2021-10-11 00:24:49,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:49,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-11 00:24:49,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096779850] [2021-10-11 00:24:49,667 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-10-11 00:24:49,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:49,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 00:24:49,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:24:49,669 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 8 states. [2021-10-11 00:24:50,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:50,012 INFO L93 Difference]: Finished difference Result 142 states and 221 transitions. [2021-10-11 00:24:50,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-11 00:24:50,012 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2021-10-11 00:24:50,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:50,016 INFO L225 Difference]: With dead ends: 142 [2021-10-11 00:24:50,016 INFO L226 Difference]: Without dead ends: 121 [2021-10-11 00:24:50,017 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2021-10-11 00:24:50,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-10-11 00:24:50,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 60. [2021-10-11 00:24:50,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2021-10-11 00:24:50,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 85 transitions. [2021-10-11 00:24:50,031 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 85 transitions. Word has length 22 [2021-10-11 00:24:50,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:50,032 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 85 transitions. [2021-10-11 00:24:50,032 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-10-11 00:24:50,032 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2021-10-11 00:24:50,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 00:24:50,033 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:50,033 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 00:24:50,033 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:24:50,034 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:50,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:50,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1296861074, now seen corresponding path program 1 times [2021-10-11 00:24:50,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:50,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123506767] [2021-10-11 00:24:50,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:50,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:50,089 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 00:24:50,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123506767] [2021-10-11 00:24:50,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:50,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:24:50,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915489752] [2021-10-11 00:24:50,090 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:24:50,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:50,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:24:50,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:24:50,092 INFO L87 Difference]: Start difference. First operand 60 states and 85 transitions. Second operand 3 states. [2021-10-11 00:24:50,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:50,101 INFO L93 Difference]: Finished difference Result 95 states and 136 transitions. [2021-10-11 00:24:50,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:24:50,102 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2021-10-11 00:24:50,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:50,103 INFO L225 Difference]: With dead ends: 95 [2021-10-11 00:24:50,103 INFO L226 Difference]: Without dead ends: 57 [2021-10-11 00:24:50,104 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 00:24:50,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-10-11 00:24:50,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-10-11 00:24:50,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2021-10-11 00:24:50,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 77 transitions. [2021-10-11 00:24:50,113 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 77 transitions. Word has length 23 [2021-10-11 00:24:50,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:50,114 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 77 transitions. [2021-10-11 00:24:50,114 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:24:50,114 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2021-10-11 00:24:50,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-11 00:24:50,115 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:50,116 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:24:50,116 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:24:50,116 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:50,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:50,117 INFO L82 PathProgramCache]: Analyzing trace with hash -829366222, now seen corresponding path program 1 times [2021-10-11 00:24:50,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:50,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252063388] [2021-10-11 00:24:50,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:50,220 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:24:50,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252063388] [2021-10-11 00:24:50,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911583781] [2021-10-11 00:24:50,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa1bd03-025a-4119-a9ff-c6fff322f683/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:24:50,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:50,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 00:24:50,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:24:50,460 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:24:50,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:24:50,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-10-11 00:24:50,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807362700] [2021-10-11 00:24:50,462 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:24:50,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:50,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:24:50,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:24:50,463 INFO L87 Difference]: Start difference. First operand 57 states and 77 transitions. Second operand 4 states. [2021-10-11 00:24:50,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:50,557 INFO L93 Difference]: Finished difference Result 73 states and 100 transitions. [2021-10-11 00:24:50,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:24:50,558 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2021-10-11 00:24:50,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:50,558 INFO L225 Difference]: With dead ends: 73 [2021-10-11 00:24:50,558 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:24:50,559 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:24:50,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:24:50,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:24:50,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:24:50,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:24:50,560 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2021-10-11 00:24:50,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:50,561 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:24:50,561 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:24:50,561 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:24:50,561 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:24:50,780 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:24:50,782 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:24:51,296 INFO L262 CegarLoopResult]: For program point L762(lines 762 766) no Hoare annotation was computed. [2021-10-11 00:24:51,296 INFO L262 CegarLoopResult]: For program point L729(lines 729 742) no Hoare annotation was computed. [2021-10-11 00:24:51,297 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 441) no Hoare annotation was computed. [2021-10-11 00:24:51,297 INFO L262 CegarLoopResult]: For program point L762-3(lines 762 766) no Hoare annotation was computed. [2021-10-11 00:24:51,297 INFO L262 CegarLoopResult]: For program point L762-6(lines 762 766) no Hoare annotation was computed. [2021-10-11 00:24:51,297 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:24:51,297 INFO L262 CegarLoopResult]: For program point L53(lines 53 66) no Hoare annotation was computed. [2021-10-11 00:24:51,297 INFO L258 CegarLoopResult]: At program point L53-1(lines 1 869) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) .cse0 .cse1) (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) (<= 2 ~waterLevel~0) .cse0 .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 0))))) [2021-10-11 00:24:51,298 INFO L262 CegarLoopResult]: For program point L53-2(lines 53 66) no Hoare annotation was computed. [2021-10-11 00:24:51,298 INFO L258 CegarLoopResult]: At program point L53-3(lines 1 869) the Hoare annotation is: false [2021-10-11 00:24:51,298 INFO L262 CegarLoopResult]: For program point L53-4(lines 53 66) no Hoare annotation was computed. [2021-10-11 00:24:51,298 INFO L258 CegarLoopResult]: At program point L53-5(lines 1 869) the Hoare annotation is: false [2021-10-11 00:24:51,298 INFO L258 CegarLoopResult]: At program point L747(lines 698 748) the Hoare annotation is: false [2021-10-11 00:24:51,298 INFO L258 CegarLoopResult]: At program point L831(lines 826 834) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) .cse1 .cse2 (<= 1 ~waterLevel~0)))) [2021-10-11 00:24:51,299 INFO L258 CegarLoopResult]: At program point L831-1(lines 826 834) the Hoare annotation is: false [2021-10-11 00:24:51,299 INFO L258 CegarLoopResult]: At program point L831-2(lines 826 834) the Hoare annotation is: false [2021-10-11 00:24:51,299 INFO L262 CegarLoopResult]: For program point L700(lines 699 746) no Hoare annotation was computed. [2021-10-11 00:24:51,299 INFO L258 CegarLoopResult]: At program point L866(lines 861 869) the Hoare annotation is: (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ~pumpRunning~0 0)) [2021-10-11 00:24:51,299 INFO L262 CegarLoopResult]: For program point L701(lines 701 705) no Hoare annotation was computed. [2021-10-11 00:24:51,299 INFO L262 CegarLoopResult]: For program point L57(lines 57 63) no Hoare annotation was computed. [2021-10-11 00:24:51,299 INFO L262 CegarLoopResult]: For program point L536(lines 536 543) no Hoare annotation was computed. [2021-10-11 00:24:51,300 INFO L262 CegarLoopResult]: For program point L57-2(lines 57 63) no Hoare annotation was computed. [2021-10-11 00:24:51,300 INFO L265 CegarLoopResult]: At program point L536-1(lines 536 543) the Hoare annotation is: true [2021-10-11 00:24:51,300 INFO L262 CegarLoopResult]: For program point L57-4(lines 57 63) no Hoare annotation was computed. [2021-10-11 00:24:51,300 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:24:51,300 INFO L258 CegarLoopResult]: At program point L570(lines 570 576) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) .cse0 (<= 1 ~waterLevel~0) .cse1))) [2021-10-11 00:24:51,300 INFO L258 CegarLoopResult]: At program point L570-1(lines 570 576) the Hoare annotation is: false [2021-10-11 00:24:51,300 INFO L258 CegarLoopResult]: At program point L570-2(lines 570 576) the Hoare annotation is: false [2021-10-11 00:24:51,301 INFO L262 CegarLoopResult]: For program point L719(lines 719 725) no Hoare annotation was computed. [2021-10-11 00:24:51,301 INFO L258 CegarLoopResult]: At program point L719-1(lines 719 725) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) .cse0 (<= 1 ~waterLevel~0) .cse1))) [2021-10-11 00:24:51,301 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 441) no Hoare annotation was computed. [2021-10-11 00:24:51,301 INFO L262 CegarLoopResult]: For program point L786(lines 786 790) no Hoare annotation was computed. [2021-10-11 00:24:51,301 INFO L262 CegarLoopResult]: For program point L737(lines 737 741) no Hoare annotation was computed. [2021-10-11 00:24:51,301 INFO L258 CegarLoopResult]: At program point L737-2(lines 563 569) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) .cse0 (<= 1 ~waterLevel~0) .cse1))) [2021-10-11 00:24:51,302 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:24:51,302 INFO L262 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2021-10-11 00:24:51,302 INFO L262 CegarLoopResult]: For program point L441-1(line 441) no Hoare annotation was computed. [2021-10-11 00:24:51,302 INFO L262 CegarLoopResult]: For program point L441-2(line 441) no Hoare annotation was computed. [2021-10-11 00:24:51,302 INFO L258 CegarLoopResult]: At program point L458-2(lines 458 472) the Hoare annotation is: false [2021-10-11 00:24:51,302 INFO L258 CegarLoopResult]: At program point L640(lines 635 643) the Hoare annotation is: false [2021-10-11 00:24:51,302 INFO L258 CegarLoopResult]: At program point L640-1(lines 635 643) the Hoare annotation is: false [2021-10-11 00:24:51,302 INFO L258 CegarLoopResult]: At program point L640-2(lines 635 643) the Hoare annotation is: false [2021-10-11 00:24:51,303 INFO L262 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2021-10-11 00:24:51,303 INFO L258 CegarLoopResult]: At program point L509(lines 505 511) the Hoare annotation is: (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 0)) [2021-10-11 00:24:51,303 INFO L262 CegarLoopResult]: For program point L774(lines 774 778) no Hoare annotation was computed. [2021-10-11 00:24:51,303 INFO L262 CegarLoopResult]: For program point L709(lines 709 715) no Hoare annotation was computed. [2021-10-11 00:24:51,303 INFO L258 CegarLoopResult]: At program point L709-1(lines 709 715) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) .cse0 (<= 1 ~waterLevel~0) .cse1))) [2021-10-11 00:24:51,303 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:24:51,304 INFO L258 CegarLoopResult]: At program point L858(lines 1 869) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2021-10-11 00:24:51,304 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 441) no Hoare annotation was computed. [2021-10-11 00:24:51,304 INFO L262 CegarLoopResult]: For program point L462(lines 462 466) no Hoare annotation was computed. [2021-10-11 00:24:51,304 INFO L262 CegarLoopResult]: For program point L462-1(lines 563 569) no Hoare annotation was computed. [2021-10-11 00:24:51,307 INFO L265 CegarLoopResult]: At program point L545(lines 526 548) the Hoare annotation is: true [2021-10-11 00:24:51,307 INFO L258 CegarLoopResult]: At program point L563(lines 562 581) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) .cse0 (<= 1 ~waterLevel~0) .cse1))) [2021-10-11 00:24:51,307 INFO L262 CegarLoopResult]: For program point L563-1(lines 563 569) no Hoare annotation was computed. [2021-10-11 00:24:51,308 INFO L258 CegarLoopResult]: At program point L563-2(lines 562 581) the Hoare annotation is: false [2021-10-11 00:24:51,308 INFO L258 CegarLoopResult]: At program point L563-3(lines 562 581) the Hoare annotation is: false [2021-10-11 00:24:51,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:24:51 BoogieIcfgContainer [2021-10-11 00:24:51,348 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:24:51,349 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:24:51,349 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:24:51,349 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:24:51,350 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:24:48" (3/4) ... [2021-10-11 00:24:51,353 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:24:51,378 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:24:51,379 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:24:51,379 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:24:51,380 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:24:51,380 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:24:51,381 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:24:51,381 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:24:51,407 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (waterLevel == 1 && \result == waterLevel) && pumpRunning == 0 [2021-10-11 00:24:51,407 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0 [2021-10-11 00:24:51,408 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) [2021-10-11 00:24:51,408 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) [2021-10-11 00:24:51,408 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) [2021-10-11 00:24:51,409 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) [2021-10-11 00:24:51,409 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) [2021-10-11 00:24:51,409 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) [2021-10-11 00:24:51,409 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(\result == 0) && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-10-11 00:24:51,452 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa1bd03-025a-4119-a9ff-c6fff322f683/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:24:51,452 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:24:51,454 INFO L168 Benchmark]: Toolchain (without parser) took 4531.94 ms. Allocated memory was 113.2 MB in the beginning and 138.4 MB in the end (delta: 25.2 MB). Free memory was 76.9 MB in the beginning and 70.9 MB in the end (delta: 5.9 MB). Peak memory consumption was 32.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:51,454 INFO L168 Benchmark]: CDTParser took 0.63 ms. Allocated memory is still 113.2 MB. Free memory was 86.9 MB in the beginning and 86.8 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:24:51,455 INFO L168 Benchmark]: CACSL2BoogieTranslator took 558.64 ms. Allocated memory is still 113.2 MB. Free memory was 76.6 MB in the beginning and 79.0 MB in the end (delta: -2.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:51,455 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.37 ms. Allocated memory is still 113.2 MB. Free memory was 79.0 MB in the beginning and 76.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:51,456 INFO L168 Benchmark]: Boogie Preprocessor took 42.26 ms. Allocated memory is still 113.2 MB. Free memory was 76.3 MB in the beginning and 74.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:51,456 INFO L168 Benchmark]: RCFGBuilder took 1119.63 ms. Allocated memory is still 113.2 MB. Free memory was 74.7 MB in the beginning and 78.1 MB in the end (delta: -3.3 MB). Peak memory consumption was 42.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:51,457 INFO L168 Benchmark]: TraceAbstraction took 2636.89 ms. Allocated memory was 113.2 MB in the beginning and 138.4 MB in the end (delta: 25.2 MB). Free memory was 77.4 MB in the beginning and 76.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 57.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:51,457 INFO L168 Benchmark]: Witness Printer took 103.62 ms. Allocated memory is still 138.4 MB. Free memory was 76.2 MB in the beginning and 70.9 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:51,460 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63 ms. Allocated memory is still 113.2 MB. Free memory was 86.9 MB in the beginning and 86.8 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 558.64 ms. Allocated memory is still 113.2 MB. Free memory was 76.6 MB in the beginning and 79.0 MB in the end (delta: -2.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 63.37 ms. Allocated memory is still 113.2 MB. Free memory was 79.0 MB in the beginning and 76.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.26 ms. Allocated memory is still 113.2 MB. Free memory was 76.3 MB in the beginning and 74.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1119.63 ms. Allocated memory is still 113.2 MB. Free memory was 74.7 MB in the beginning and 78.1 MB in the end (delta: -3.3 MB). Peak memory consumption was 42.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2636.89 ms. Allocated memory was 113.2 MB in the beginning and 138.4 MB in the end (delta: 25.2 MB). Free memory was 77.4 MB in the beginning and 76.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 57.0 MB. Max. memory is 16.1 GB. * Witness Printer took 103.62 ms. Allocated memory is still 138.4 MB. Free memory was 76.2 MB in the beginning and 70.9 MB in the end (delta: 5.3 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: 441]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 441]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 441]: 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: 709]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: (waterLevel == 1 && \result == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: (((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(\result == 0) && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: waterLevel == 1 && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.9s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 238 SDtfs, 293 SDslu, 280 SDs, 0 SdLazy, 84 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=3, 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, 61 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 41 NumberOfFragments, 250 HoareAnnotationTreeSize, 25 FomulaSimplifications, 288 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 25 FomulaSimplificationsInter, 58 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 9184 SizeOfPredicates, 0 NumberOfNonLiveVariables, 374 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 23/28 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...