./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product49.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_00f49837-27c9-4687-aa25-1706e76e7ca8/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f49837-27c9-4687-aa25-1706e76e7ca8/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_00f49837-27c9-4687-aa25-1706e76e7ca8/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f49837-27c9-4687-aa25-1706e76e7ca8/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f49837-27c9-4687-aa25-1706e76e7ca8/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_00f49837-27c9-4687-aa25-1706e76e7ca8/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 b00f2b5e86cdb554aa1013f25ad23bb3779c67ba ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:31:14,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:31:14,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:31:14,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:31:14,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:31:14,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:31:14,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:31:14,754 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:31:14,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:31:14,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:31:14,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:31:14,760 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:31:14,761 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:31:14,762 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:31:14,763 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:31:14,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:31:14,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:31:14,767 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:31:14,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:31:14,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:31:14,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:31:14,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:31:14,783 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:31:14,784 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:31:14,788 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:31:14,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:31:14,789 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:31:14,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:31:14,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:31:14,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:31:14,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:31:14,794 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:31:14,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:31:14,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:31:14,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:31:14,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:31:14,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:31:14,799 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:31:14,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:31:14,800 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:31:14,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:31:14,802 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f49837-27c9-4687-aa25-1706e76e7ca8/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:31:14,826 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:31:14,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:31:14,827 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:31:14,827 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:31:14,828 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:31:14,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:31:14,828 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:31:14,829 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:31:14,829 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:31:14,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:31:14,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:31:14,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:31:14,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:31:14,830 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:31:14,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:31:14,830 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:31:14,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:31:14,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:31:14,831 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:31:14,831 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:31:14,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:31:14,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:31:14,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:31:14,833 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:31:14,833 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:31:14,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:31:14,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:31:14,834 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:31:14,834 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_00f49837-27c9-4687-aa25-1706e76e7ca8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f49837-27c9-4687-aa25-1706e76e7ca8/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b00f2b5e86cdb554aa1013f25ad23bb3779c67ba [2021-10-11 00:31:15,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:31:15,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:31:15,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:31:15,126 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:31:15,127 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:31:15,129 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f49837-27c9-4687-aa25-1706e76e7ca8/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c [2021-10-11 00:31:15,208 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f49837-27c9-4687-aa25-1706e76e7ca8/bin/uautomizer-Z5i5R5N3CC/data/ca338fa67/0248cce54cdb4331be8ed9144ad610fa/FLAGa07e9f6cd [2021-10-11 00:31:15,801 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:31:15,802 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f49837-27c9-4687-aa25-1706e76e7ca8/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c [2021-10-11 00:31:15,816 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f49837-27c9-4687-aa25-1706e76e7ca8/bin/uautomizer-Z5i5R5N3CC/data/ca338fa67/0248cce54cdb4331be8ed9144ad610fa/FLAGa07e9f6cd [2021-10-11 00:31:16,063 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f49837-27c9-4687-aa25-1706e76e7ca8/bin/uautomizer-Z5i5R5N3CC/data/ca338fa67/0248cce54cdb4331be8ed9144ad610fa [2021-10-11 00:31:16,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:31:16,069 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:31:16,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:31:16,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:31:16,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:31:16,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:31:16" (1/1) ... [2021-10-11 00:31:16,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a8fa6a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:16, skipping insertion in model container [2021-10-11 00:31:16,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:31:16" (1/1) ... [2021-10-11 00:31:16,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:31:16,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:31:16,404 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_00f49837-27c9-4687-aa25-1706e76e7ca8/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c[6562,6575] [2021-10-11 00:31:16,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:31:16,528 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:31:16,563 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_00f49837-27c9-4687-aa25-1706e76e7ca8/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c[6562,6575] [2021-10-11 00:31:16,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:31:16,660 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:31:16,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:16 WrapperNode [2021-10-11 00:31:16,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:31:16,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:31:16,662 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:31:16,662 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:31:16,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:16" (1/1) ... [2021-10-11 00:31:16,691 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:16" (1/1) ... [2021-10-11 00:31:16,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:31:16,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:31:16,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:31:16,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:31:16,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:16" (1/1) ... [2021-10-11 00:31:16,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:16" (1/1) ... [2021-10-11 00:31:16,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:16" (1/1) ... [2021-10-11 00:31:16,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:16" (1/1) ... [2021-10-11 00:31:16,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:16" (1/1) ... [2021-10-11 00:31:16,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:16" (1/1) ... [2021-10-11 00:31:16,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:16" (1/1) ... [2021-10-11 00:31:16,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:31:16,834 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:31:16,834 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:31:16,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:31:16,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:16" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f49837-27c9-4687-aa25-1706e76e7ca8/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 00:31:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:31:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:31:16,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:31:16,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:31:17,935 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:31:17,936 INFO L299 CfgBuilder]: Removed 170 assume(true) statements. [2021-10-11 00:31:17,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:17 BoogieIcfgContainer [2021-10-11 00:31:17,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:31:17,944 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:31:17,945 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:31:17,948 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:31:17,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:31:16" (1/3) ... [2021-10-11 00:31:17,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d4909e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:31:17, skipping insertion in model container [2021-10-11 00:31:17,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:16" (2/3) ... [2021-10-11 00:31:17,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d4909e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:31:17, skipping insertion in model container [2021-10-11 00:31:17,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:17" (3/3) ... [2021-10-11 00:31:17,953 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product49.cil.c [2021-10-11 00:31:17,972 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:31:17,976 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:31:17,987 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:31:18,029 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:31:18,030 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:31:18,030 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:31:18,031 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:31:18,031 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:31:18,031 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:31:18,032 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:31:18,032 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:31:18,057 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states. [2021-10-11 00:31:18,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 00:31:18,066 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:18,067 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:18,067 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:18,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:18,075 INFO L82 PathProgramCache]: Analyzing trace with hash -988495008, now seen corresponding path program 1 times [2021-10-11 00:31:18,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:18,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511249244] [2021-10-11 00:31:18,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:18,429 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 00:31:18,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511249244] [2021-10-11 00:31:18,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:18,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:31:18,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242194037] [2021-10-11 00:31:18,435 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:31:18,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:18,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:31:18,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:31:18,452 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 2 states. [2021-10-11 00:31:18,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:18,492 INFO L93 Difference]: Finished difference Result 245 states and 370 transitions. [2021-10-11 00:31:18,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:31:18,493 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2021-10-11 00:31:18,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:18,505 INFO L225 Difference]: With dead ends: 245 [2021-10-11 00:31:18,506 INFO L226 Difference]: Without dead ends: 122 [2021-10-11 00:31:18,509 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 00:31:18,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-10-11 00:31:18,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2021-10-11 00:31:18,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2021-10-11 00:31:18,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 177 transitions. [2021-10-11 00:31:18,554 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 177 transitions. Word has length 19 [2021-10-11 00:31:18,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:18,555 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 177 transitions. [2021-10-11 00:31:18,555 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:31:18,555 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 177 transitions. [2021-10-11 00:31:18,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-11 00:31:18,556 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:18,557 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] [2021-10-11 00:31:18,557 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:31:18,557 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:18,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:18,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1803446273, now seen corresponding path program 1 times [2021-10-11 00:31:18,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:18,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184888288] [2021-10-11 00:31:18,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:18,653 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 00:31:18,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184888288] [2021-10-11 00:31:18,653 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:18,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:31:18,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997062007] [2021-10-11 00:31:18,655 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:31:18,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:18,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:31:18,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:31:18,657 INFO L87 Difference]: Start difference. First operand 122 states and 177 transitions. Second operand 3 states. [2021-10-11 00:31:18,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:18,670 INFO L93 Difference]: Finished difference Result 122 states and 177 transitions. [2021-10-11 00:31:18,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:31:18,671 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2021-10-11 00:31:18,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:18,672 INFO L225 Difference]: With dead ends: 122 [2021-10-11 00:31:18,672 INFO L226 Difference]: Without dead ends: 51 [2021-10-11 00:31:18,673 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 00:31:18,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-11 00:31:18,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-11 00:31:18,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2021-10-11 00:31:18,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2021-10-11 00:31:18,685 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2021-10-11 00:31:18,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:18,688 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2021-10-11 00:31:18,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:31:18,689 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2021-10-11 00:31:18,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 00:31:18,690 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:18,690 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:18,690 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:31:18,691 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:18,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:18,692 INFO L82 PathProgramCache]: Analyzing trace with hash -842309608, now seen corresponding path program 1 times [2021-10-11 00:31:18,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:18,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830428956] [2021-10-11 00:31:18,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:18,890 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 00:31:18,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830428956] [2021-10-11 00:31:18,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:18,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:31:18,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927088238] [2021-10-11 00:31:18,893 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:31:18,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:18,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:31:18,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:31:18,902 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 6 states. [2021-10-11 00:31:19,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:19,075 INFO L93 Difference]: Finished difference Result 95 states and 139 transitions. [2021-10-11 00:31:19,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:31:19,076 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2021-10-11 00:31:19,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:19,079 INFO L225 Difference]: With dead ends: 95 [2021-10-11 00:31:19,080 INFO L226 Difference]: Without dead ends: 51 [2021-10-11 00:31:19,081 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:31:19,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-11 00:31:19,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-11 00:31:19,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2021-10-11 00:31:19,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2021-10-11 00:31:19,090 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 26 [2021-10-11 00:31:19,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:19,090 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2021-10-11 00:31:19,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:31:19,090 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2021-10-11 00:31:19,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-11 00:31:19,092 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:19,092 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:19,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:31:19,092 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:19,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:19,093 INFO L82 PathProgramCache]: Analyzing trace with hash 674402038, now seen corresponding path program 1 times [2021-10-11 00:31:19,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:19,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172184035] [2021-10-11 00:31:19,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:19,192 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 00:31:19,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172184035] [2021-10-11 00:31:19,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:19,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:31:19,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826445826] [2021-10-11 00:31:19,194 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:31:19,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:19,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:31:19,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:31:19,196 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand 3 states. [2021-10-11 00:31:19,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:19,239 INFO L93 Difference]: Finished difference Result 119 states and 171 transitions. [2021-10-11 00:31:19,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:31:19,240 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2021-10-11 00:31:19,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:19,241 INFO L225 Difference]: With dead ends: 119 [2021-10-11 00:31:19,241 INFO L226 Difference]: Without dead ends: 75 [2021-10-11 00:31:19,242 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 00:31:19,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-11 00:31:19,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2021-10-11 00:31:19,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2021-10-11 00:31:19,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-10-11 00:31:19,270 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 28 [2021-10-11 00:31:19,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:19,271 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-10-11 00:31:19,271 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:31:19,271 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-10-11 00:31:19,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 00:31:19,272 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:19,273 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:19,273 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:31:19,273 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:19,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:19,274 INFO L82 PathProgramCache]: Analyzing trace with hash 950754951, now seen corresponding path program 1 times [2021-10-11 00:31:19,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:19,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114698302] [2021-10-11 00:31:19,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:19,379 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 00:31:19,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114698302] [2021-10-11 00:31:19,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:19,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:31:19,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408003581] [2021-10-11 00:31:19,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:31:19,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:19,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:31:19,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:31:19,382 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 6 states. [2021-10-11 00:31:19,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:19,478 INFO L93 Difference]: Finished difference Result 263 states and 373 transitions. [2021-10-11 00:31:19,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 00:31:19,479 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2021-10-11 00:31:19,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:19,484 INFO L225 Difference]: With dead ends: 263 [2021-10-11 00:31:19,485 INFO L226 Difference]: Without dead ends: 197 [2021-10-11 00:31:19,487 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-10-11 00:31:19,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-10-11 00:31:19,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 77. [2021-10-11 00:31:19,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2021-10-11 00:31:19,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 106 transitions. [2021-10-11 00:31:19,510 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 106 transitions. Word has length 34 [2021-10-11 00:31:19,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:19,510 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 106 transitions. [2021-10-11 00:31:19,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:31:19,510 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2021-10-11 00:31:19,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 00:31:19,511 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:19,511 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:19,511 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:31:19,512 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:19,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:19,512 INFO L82 PathProgramCache]: Analyzing trace with hash 249690373, now seen corresponding path program 1 times [2021-10-11 00:31:19,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:19,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209074438] [2021-10-11 00:31:19,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:19,600 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 00:31:19,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209074438] [2021-10-11 00:31:19,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:19,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:31:19,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509969185] [2021-10-11 00:31:19,602 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:31:19,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:19,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:31:19,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:31:19,603 INFO L87 Difference]: Start difference. First operand 77 states and 106 transitions. Second operand 5 states. [2021-10-11 00:31:19,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:19,680 INFO L93 Difference]: Finished difference Result 202 states and 278 transitions. [2021-10-11 00:31:19,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:31:19,681 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2021-10-11 00:31:19,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:19,683 INFO L225 Difference]: With dead ends: 202 [2021-10-11 00:31:19,683 INFO L226 Difference]: Without dead ends: 132 [2021-10-11 00:31:19,687 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 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 00:31:19,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-10-11 00:31:19,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 83. [2021-10-11 00:31:19,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2021-10-11 00:31:19,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 112 transitions. [2021-10-11 00:31:19,712 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 112 transitions. Word has length 34 [2021-10-11 00:31:19,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:19,716 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 112 transitions. [2021-10-11 00:31:19,716 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:31:19,716 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 112 transitions. [2021-10-11 00:31:19,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 00:31:19,717 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:19,717 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:19,718 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:31:19,718 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:19,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:19,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1183154082, now seen corresponding path program 1 times [2021-10-11 00:31:19,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:19,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217169642] [2021-10-11 00:31:19,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:19,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:19,828 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 00:31:19,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217169642] [2021-10-11 00:31:19,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:19,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:31:19,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257502764] [2021-10-11 00:31:19,829 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:31:19,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:19,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:31:19,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:31:19,831 INFO L87 Difference]: Start difference. First operand 83 states and 112 transitions. Second operand 5 states. [2021-10-11 00:31:19,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:19,993 INFO L93 Difference]: Finished difference Result 282 states and 383 transitions. [2021-10-11 00:31:19,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:31:19,993 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2021-10-11 00:31:19,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:19,995 INFO L225 Difference]: With dead ends: 282 [2021-10-11 00:31:19,995 INFO L226 Difference]: Without dead ends: 206 [2021-10-11 00:31:19,997 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 00:31:19,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2021-10-11 00:31:20,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 82. [2021-10-11 00:31:20,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2021-10-11 00:31:20,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 109 transitions. [2021-10-11 00:31:20,013 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 109 transitions. Word has length 34 [2021-10-11 00:31:20,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:20,015 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 109 transitions. [2021-10-11 00:31:20,015 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:31:20,015 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2021-10-11 00:31:20,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 00:31:20,023 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:20,023 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:20,023 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:31:20,024 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:20,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:20,024 INFO L82 PathProgramCache]: Analyzing trace with hash 363948937, now seen corresponding path program 1 times [2021-10-11 00:31:20,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:20,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232926200] [2021-10-11 00:31:20,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:20,089 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 00:31:20,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232926200] [2021-10-11 00:31:20,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:20,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:31:20,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387218234] [2021-10-11 00:31:20,091 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:31:20,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:20,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:31:20,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:31:20,092 INFO L87 Difference]: Start difference. First operand 82 states and 109 transitions. Second operand 3 states. [2021-10-11 00:31:20,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:20,125 INFO L93 Difference]: Finished difference Result 185 states and 247 transitions. [2021-10-11 00:31:20,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:31:20,126 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2021-10-11 00:31:20,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:20,127 INFO L225 Difference]: With dead ends: 185 [2021-10-11 00:31:20,127 INFO L226 Difference]: Without dead ends: 110 [2021-10-11 00:31:20,128 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 00:31:20,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2021-10-11 00:31:20,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2021-10-11 00:31:20,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2021-10-11 00:31:20,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 143 transitions. [2021-10-11 00:31:20,144 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 143 transitions. Word has length 34 [2021-10-11 00:31:20,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:20,144 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 143 transitions. [2021-10-11 00:31:20,144 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:31:20,145 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 143 transitions. [2021-10-11 00:31:20,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-11 00:31:20,145 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:20,146 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:20,146 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:31:20,146 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:20,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:20,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1031997239, now seen corresponding path program 1 times [2021-10-11 00:31:20,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:20,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265862758] [2021-10-11 00:31:20,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:20,247 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 00:31:20,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265862758] [2021-10-11 00:31:20,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:20,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:31:20,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14235628] [2021-10-11 00:31:20,249 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 00:31:20,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:20,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 00:31:20,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:31:20,250 INFO L87 Difference]: Start difference. First operand 110 states and 143 transitions. Second operand 7 states. [2021-10-11 00:31:20,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:20,545 INFO L93 Difference]: Finished difference Result 524 states and 703 transitions. [2021-10-11 00:31:20,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-11 00:31:20,545 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2021-10-11 00:31:20,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:20,551 INFO L225 Difference]: With dead ends: 524 [2021-10-11 00:31:20,551 INFO L226 Difference]: Without dead ends: 449 [2021-10-11 00:31:20,552 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-10-11 00:31:20,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2021-10-11 00:31:20,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 190. [2021-10-11 00:31:20,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2021-10-11 00:31:20,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 247 transitions. [2021-10-11 00:31:20,591 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 247 transitions. Word has length 35 [2021-10-11 00:31:20,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:20,591 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 247 transitions. [2021-10-11 00:31:20,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 00:31:20,591 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 247 transitions. [2021-10-11 00:31:20,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-11 00:31:20,594 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:20,594 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:20,594 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:31:20,594 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:20,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:20,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1199602114, now seen corresponding path program 1 times [2021-10-11 00:31:20,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:20,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360924786] [2021-10-11 00:31:20,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:20,700 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:20,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360924786] [2021-10-11 00:31:20,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588438052] [2021-10-11 00:31:20,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f49837-27c9-4687-aa25-1706e76e7ca8/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 00:31:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:20,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 00:31:20,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:31:21,042 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:21,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:31:21,043 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2021-10-11 00:31:21,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909530841] [2021-10-11 00:31:21,046 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-10-11 00:31:21,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:21,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-11 00:31:21,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-10-11 00:31:21,048 INFO L87 Difference]: Start difference. First operand 190 states and 247 transitions. Second operand 10 states. [2021-10-11 00:31:21,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:21,437 INFO L93 Difference]: Finished difference Result 434 states and 582 transitions. [2021-10-11 00:31:21,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:31:21,438 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2021-10-11 00:31:21,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:21,440 INFO L225 Difference]: With dead ends: 434 [2021-10-11 00:31:21,440 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:31:21,441 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2021-10-11 00:31:21,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:31:21,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:31:21,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:31:21,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:31:21,442 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-10-11 00:31:21,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:21,442 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:31:21,442 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-10-11 00:31:21,442 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:31:21,442 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:31:21,656 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-11 00:31:21,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:31:21,780 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 46 [2021-10-11 00:31:22,543 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 26 [2021-10-11 00:31:22,705 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2021-10-11 00:31:22,820 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 23 [2021-10-11 00:31:22,996 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 24 [2021-10-11 00:31:23,387 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2021-10-11 00:31:23,616 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 28 [2021-10-11 00:31:23,727 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 22 [2021-10-11 00:31:23,856 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2021-10-11 00:31:24,081 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2021-10-11 00:31:24,306 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 28 [2021-10-11 00:31:24,433 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 23 [2021-10-11 00:31:24,437 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 430) no Hoare annotation was computed. [2021-10-11 00:31:24,437 INFO L265 CegarLoopResult]: At program point L531(lines 512 534) the Hoare annotation is: true [2021-10-11 00:31:24,437 INFO L262 CegarLoopResult]: For program point L268(lines 267 312) no Hoare annotation was computed. [2021-10-11 00:31:24,438 INFO L258 CegarLoopResult]: At program point L566(lines 561 569) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:31:24,438 INFO L262 CegarLoopResult]: For program point L269(lines 269 273) no Hoare annotation was computed. [2021-10-11 00:31:24,440 INFO L258 CegarLoopResult]: At program point L71(lines 71 77) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2021-10-11 00:31:24,440 INFO L258 CegarLoopResult]: At program point L71-1(lines 71 77) the Hoare annotation is: false [2021-10-11 00:31:24,440 INFO L258 CegarLoopResult]: At program point L71-2(lines 71 77) the Hoare annotation is: false [2021-10-11 00:31:24,441 INFO L262 CegarLoopResult]: For program point L303(lines 303 307) no Hoare annotation was computed. [2021-10-11 00:31:24,441 INFO L262 CegarLoopResult]: For program point L303-2(lines 297 308) no Hoare annotation was computed. [2021-10-11 00:31:24,441 INFO L262 CegarLoopResult]: For program point L964(lines 964 981) no Hoare annotation was computed. [2021-10-11 00:31:24,441 INFO L258 CegarLoopResult]: At program point L964-1(lines 1 984) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5) (and .cse0 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9) (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse1 .cse2 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9 2) .cse4 .cse5))) [2021-10-11 00:31:24,441 INFO L262 CegarLoopResult]: For program point L964-2(lines 964 981) no Hoare annotation was computed. [2021-10-11 00:31:24,442 INFO L258 CegarLoopResult]: At program point L964-3(lines 1 984) the Hoare annotation is: false [2021-10-11 00:31:24,442 INFO L262 CegarLoopResult]: For program point L964-4(lines 964 981) no Hoare annotation was computed. [2021-10-11 00:31:24,442 INFO L258 CegarLoopResult]: At program point L964-5(lines 1 984) the Hoare annotation is: false [2021-10-11 00:31:24,442 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 430) no Hoare annotation was computed. [2021-10-11 00:31:24,443 INFO L262 CegarLoopResult]: For program point L406(lines 406 412) no Hoare annotation was computed. [2021-10-11 00:31:24,443 INFO L262 CegarLoopResult]: For program point L406-1(lines 406 412) no Hoare annotation was computed. [2021-10-11 00:31:24,443 INFO L262 CegarLoopResult]: For program point L406-2(lines 406 412) no Hoare annotation was computed. [2021-10-11 00:31:24,443 INFO L262 CegarLoopResult]: For program point L406-3(lines 406 412) no Hoare annotation was computed. [2021-10-11 00:31:24,443 INFO L262 CegarLoopResult]: For program point L406-4(lines 406 412) no Hoare annotation was computed. [2021-10-11 00:31:24,443 INFO L262 CegarLoopResult]: For program point L406-5(lines 406 412) no Hoare annotation was computed. [2021-10-11 00:31:24,444 INFO L258 CegarLoopResult]: At program point L175(lines 170 178) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse3 (= ULTIMATE.start_main_~tmp~5 1)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6) (and .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse3 (= ~pumpRunning~0 0) .cse4 .cse5 .cse6))) [2021-10-11 00:31:24,445 INFO L258 CegarLoopResult]: At program point L175-1(lines 170 178) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2 .cse3 .cse4) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-10-11 00:31:24,445 INFO L258 CegarLoopResult]: At program point L175-2(lines 170 178) the Hoare annotation is: false [2021-10-11 00:31:24,445 INFO L258 CegarLoopResult]: At program point L175-3(lines 170 178) the Hoare annotation is: false [2021-10-11 00:31:24,446 INFO L258 CegarLoopResult]: At program point L175-4(lines 170 178) the Hoare annotation is: false [2021-10-11 00:31:24,447 INFO L258 CegarLoopResult]: At program point L175-5(lines 170 178) the Hoare annotation is: false [2021-10-11 00:31:24,447 INFO L262 CegarLoopResult]: For program point L968(lines 968 978) no Hoare annotation was computed. [2021-10-11 00:31:24,447 INFO L262 CegarLoopResult]: For program point L968-2(lines 968 978) no Hoare annotation was computed. [2021-10-11 00:31:24,447 INFO L262 CegarLoopResult]: For program point L968-4(lines 968 978) no Hoare annotation was computed. [2021-10-11 00:31:24,447 INFO L262 CegarLoopResult]: For program point L341(lines 341 345) no Hoare annotation was computed. [2021-10-11 00:31:24,447 INFO L262 CegarLoopResult]: For program point L969(lines 969 975) no Hoare annotation was computed. [2021-10-11 00:31:24,448 INFO L262 CegarLoopResult]: For program point L969-2(lines 969 975) no Hoare annotation was computed. [2021-10-11 00:31:24,448 INFO L262 CegarLoopResult]: For program point L969-4(lines 969 975) no Hoare annotation was computed. [2021-10-11 00:31:24,448 INFO L262 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2021-10-11 00:31:24,448 INFO L262 CegarLoopResult]: For program point L243-2(lines 243 247) no Hoare annotation was computed. [2021-10-11 00:31:24,448 INFO L262 CegarLoopResult]: For program point L243-3(lines 243 247) no Hoare annotation was computed. [2021-10-11 00:31:24,448 INFO L262 CegarLoopResult]: For program point L243-5(lines 243 247) no Hoare annotation was computed. [2021-10-11 00:31:24,448 INFO L262 CegarLoopResult]: For program point L243-6(lines 243 247) no Hoare annotation was computed. [2021-10-11 00:31:24,448 INFO L262 CegarLoopResult]: For program point L243-8(lines 243 247) no Hoare annotation was computed. [2021-10-11 00:31:24,449 INFO L262 CegarLoopResult]: For program point L277(lines 277 283) no Hoare annotation was computed. [2021-10-11 00:31:24,449 INFO L258 CegarLoopResult]: At program point L277-1(lines 277 283) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2021-10-11 00:31:24,449 INFO L258 CegarLoopResult]: At program point L411(lines 402 415) the Hoare annotation is: false [2021-10-11 00:31:24,449 INFO L258 CegarLoopResult]: At program point L411-1(lines 402 415) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-10-11 00:31:24,450 INFO L258 CegarLoopResult]: At program point L411-2(lines 402 415) the Hoare annotation is: false [2021-10-11 00:31:24,450 INFO L258 CegarLoopResult]: At program point L411-3(lines 402 415) the Hoare annotation is: false [2021-10-11 00:31:24,451 INFO L258 CegarLoopResult]: At program point L411-4(lines 402 415) the Hoare annotation is: false [2021-10-11 00:31:24,451 INFO L258 CegarLoopResult]: At program point L411-5(lines 402 415) the Hoare annotation is: false [2021-10-11 00:31:24,451 INFO L258 CegarLoopResult]: At program point L313(lines 266 314) the Hoare annotation is: false [2021-10-11 00:31:24,451 INFO L258 CegarLoopResult]: At program point L446-2(lines 446 460) the Hoare annotation is: false [2021-10-11 00:31:24,451 INFO L262 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2021-10-11 00:31:24,451 INFO L258 CegarLoopResult]: At program point L249(lines 234 252) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:31:24,452 INFO L258 CegarLoopResult]: At program point L249-1(lines 234 252) the Hoare annotation is: false [2021-10-11 00:31:24,452 INFO L258 CegarLoopResult]: At program point L249-2(lines 234 252) the Hoare annotation is: false [2021-10-11 00:31:24,456 INFO L258 CegarLoopResult]: At program point L943(lines 938 945) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:31:24,456 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:31:24,456 INFO L262 CegarLoopResult]: For program point L450(lines 450 454) no Hoare annotation was computed. [2021-10-11 00:31:24,457 INFO L262 CegarLoopResult]: For program point L450-1(lines 450 454) no Hoare annotation was computed. [2021-10-11 00:31:24,457 INFO L262 CegarLoopResult]: For program point L353(lines 353 357) no Hoare annotation was computed. [2021-10-11 00:31:24,457 INFO L262 CegarLoopResult]: For program point L287(lines 287 293) no Hoare annotation was computed. [2021-10-11 00:31:24,457 INFO L258 CegarLoopResult]: At program point L287-1(lines 287 293) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2021-10-11 00:31:24,457 INFO L262 CegarLoopResult]: For program point L122(lines 122 139) no Hoare annotation was computed. [2021-10-11 00:31:24,458 INFO L262 CegarLoopResult]: For program point L122-1(lines 122 139) no Hoare annotation was computed. [2021-10-11 00:31:24,458 INFO L262 CegarLoopResult]: For program point L122-2(lines 122 139) no Hoare annotation was computed. [2021-10-11 00:31:24,458 INFO L258 CegarLoopResult]: At program point L421(lines 416 424) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:31:24,458 INFO L258 CegarLoopResult]: At program point L421-1(lines 416 424) the Hoare annotation is: false [2021-10-11 00:31:24,458 INFO L258 CegarLoopResult]: At program point L421-2(lines 416 424) the Hoare annotation is: false [2021-10-11 00:31:24,458 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:31:24,459 INFO L262 CegarLoopResult]: For program point L224(lines 224 228) no Hoare annotation was computed. [2021-10-11 00:31:24,460 INFO L262 CegarLoopResult]: For program point L224-2(lines 224 228) no Hoare annotation was computed. [2021-10-11 00:31:24,460 INFO L262 CegarLoopResult]: For program point L224-3(lines 224 228) no Hoare annotation was computed. [2021-10-11 00:31:24,460 INFO L262 CegarLoopResult]: For program point L224-5(lines 224 228) no Hoare annotation was computed. [2021-10-11 00:31:24,460 INFO L262 CegarLoopResult]: For program point L224-6(lines 224 228) no Hoare annotation was computed. [2021-10-11 00:31:24,460 INFO L262 CegarLoopResult]: For program point L224-8(lines 224 228) no Hoare annotation was computed. [2021-10-11 00:31:24,460 INFO L262 CegarLoopResult]: For program point L224-9(lines 224 228) no Hoare annotation was computed. [2021-10-11 00:31:24,461 INFO L262 CegarLoopResult]: For program point L224-11(lines 224 228) no Hoare annotation was computed. [2021-10-11 00:31:24,461 INFO L262 CegarLoopResult]: For program point L224-12(lines 224 228) no Hoare annotation was computed. [2021-10-11 00:31:24,461 INFO L262 CegarLoopResult]: For program point L224-14(lines 224 228) no Hoare annotation was computed. [2021-10-11 00:31:24,461 INFO L262 CegarLoopResult]: For program point L224-15(lines 224 228) no Hoare annotation was computed. [2021-10-11 00:31:24,461 INFO L262 CegarLoopResult]: For program point L224-17(lines 224 228) no Hoare annotation was computed. [2021-10-11 00:31:24,461 INFO L262 CegarLoopResult]: For program point L522(lines 522 529) no Hoare annotation was computed. [2021-10-11 00:31:24,461 INFO L265 CegarLoopResult]: At program point L522-1(lines 522 529) the Hoare annotation is: true [2021-10-11 00:31:24,461 INFO L262 CegarLoopResult]: For program point L126(lines 126 134) no Hoare annotation was computed. [2021-10-11 00:31:24,462 INFO L262 CegarLoopResult]: For program point L126-1(lines 126 134) no Hoare annotation was computed. [2021-10-11 00:31:24,462 INFO L262 CegarLoopResult]: For program point L126-2(lines 126 134) no Hoare annotation was computed. [2021-10-11 00:31:24,462 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:31:24,462 INFO L258 CegarLoopResult]: At program point L953(lines 64 70) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4))) [2021-10-11 00:31:24,462 INFO L258 CegarLoopResult]: At program point L953-1(lines 64 70) the Hoare annotation is: false [2021-10-11 00:31:24,463 INFO L258 CegarLoopResult]: At program point L953-2(lines 64 70) the Hoare annotation is: false [2021-10-11 00:31:24,464 INFO L258 CegarLoopResult]: At program point L558(lines 1 984) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:31:24,464 INFO L262 CegarLoopResult]: For program point L96(lines 96 113) no Hoare annotation was computed. [2021-10-11 00:31:24,464 INFO L262 CegarLoopResult]: For program point L96-1(lines 96 113) no Hoare annotation was computed. [2021-10-11 00:31:24,465 INFO L262 CegarLoopResult]: For program point L96-2(lines 96 113) no Hoare annotation was computed. [2021-10-11 00:31:24,465 INFO L262 CegarLoopResult]: For program point L96-3(lines 96 113) no Hoare annotation was computed. [2021-10-11 00:31:24,465 INFO L262 CegarLoopResult]: For program point L96-4(lines 96 113) no Hoare annotation was computed. [2021-10-11 00:31:24,466 INFO L262 CegarLoopResult]: For program point L96-5(lines 96 113) no Hoare annotation was computed. [2021-10-11 00:31:24,466 INFO L258 CegarLoopResult]: At program point L64(lines 60 82) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4))) [2021-10-11 00:31:24,466 INFO L258 CegarLoopResult]: At program point L64-1(lines 60 82) the Hoare annotation is: false [2021-10-11 00:31:24,466 INFO L258 CegarLoopResult]: At program point L64-2(lines 60 82) the Hoare annotation is: false [2021-10-11 00:31:24,466 INFO L258 CegarLoopResult]: At program point L494(lines 490 496) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:31:24,466 INFO L262 CegarLoopResult]: For program point L329(lines 329 333) no Hoare annotation was computed. [2021-10-11 00:31:24,467 INFO L258 CegarLoopResult]: At program point L230(lines 215 233) the Hoare annotation is: false [2021-10-11 00:31:24,467 INFO L262 CegarLoopResult]: For program point L329-3(lines 329 333) no Hoare annotation was computed. [2021-10-11 00:31:24,467 INFO L258 CegarLoopResult]: At program point L230-1(lines 215 233) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) .cse4 .cse5) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-10-11 00:31:24,467 INFO L258 CegarLoopResult]: At program point L230-2(lines 215 233) the Hoare annotation is: false [2021-10-11 00:31:24,467 INFO L258 CegarLoopResult]: At program point L230-3(lines 215 233) the Hoare annotation is: false [2021-10-11 00:31:24,467 INFO L262 CegarLoopResult]: For program point L329-6(lines 329 333) no Hoare annotation was computed. [2021-10-11 00:31:24,468 INFO L258 CegarLoopResult]: At program point L230-4(lines 215 233) the Hoare annotation is: false [2021-10-11 00:31:24,468 INFO L258 CegarLoopResult]: At program point L230-5(lines 215 233) the Hoare annotation is: false [2021-10-11 00:31:24,468 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:31:24,468 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 430) no Hoare annotation was computed. [2021-10-11 00:31:24,468 INFO L262 CegarLoopResult]: For program point L297(lines 297 308) no Hoare annotation was computed. [2021-10-11 00:31:24,468 INFO L262 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2021-10-11 00:31:24,468 INFO L262 CegarLoopResult]: For program point L430-1(line 430) no Hoare annotation was computed. [2021-10-11 00:31:24,469 INFO L262 CegarLoopResult]: For program point L430-2(line 430) no Hoare annotation was computed. [2021-10-11 00:31:24,469 INFO L262 CegarLoopResult]: For program point L100(lines 100 108) no Hoare annotation was computed. [2021-10-11 00:31:24,469 INFO L262 CegarLoopResult]: For program point L100-1(lines 100 108) no Hoare annotation was computed. [2021-10-11 00:31:24,469 INFO L262 CegarLoopResult]: For program point L100-2(lines 100 108) no Hoare annotation was computed. [2021-10-11 00:31:24,469 INFO L262 CegarLoopResult]: For program point L100-3(lines 100 108) no Hoare annotation was computed. [2021-10-11 00:31:24,469 INFO L262 CegarLoopResult]: For program point L100-4(lines 100 108) no Hoare annotation was computed. [2021-10-11 00:31:24,469 INFO L262 CegarLoopResult]: For program point L100-5(lines 100 108) no Hoare annotation was computed. [2021-10-11 00:31:24,470 INFO L258 CegarLoopResult]: At program point L398(lines 393 401) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse1 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2 .cse3 .cse4 .cse5) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2021-10-11 00:31:24,470 INFO L258 CegarLoopResult]: At program point L398-1(lines 393 401) the Hoare annotation is: false [2021-10-11 00:31:24,470 INFO L258 CegarLoopResult]: At program point L398-2(lines 393 401) the Hoare annotation is: false [2021-10-11 00:31:24,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:31:24 BoogieIcfgContainer [2021-10-11 00:31:24,520 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:31:24,521 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:31:24,521 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:31:24,521 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:31:24,522 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:17" (3/4) ... [2021-10-11 00:31:24,525 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:31:24,558 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:31:24,559 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:31:24,560 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:31:24,562 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:31:24,563 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:31:24,564 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:31:24,566 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:31:24,596 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && \result == 1 [2021-10-11 00:31:24,596 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && tmp == systemActive) && tmp == 1) && pumpRunning == 0) && \result == 1 [2021-10-11 00:31:24,597 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && tmp == systemActive) && tmp == 1) && pumpRunning == 0) && \result == 1 [2021-10-11 00:31:24,597 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((((((1 <= pumpRunning && 1 < tmp) && \result <= 2) && tmp == systemActive) && tmp == 1) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp <= 2) && waterLevel <= 2) && \result == 1) [2021-10-11 00:31:24,598 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && tmp == systemActive) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2021-10-11 00:31:24,599 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && tmp == systemActive) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2021-10-11 00:31:24,601 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= \result) && tmp == systemActive) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == systemActive && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2021-10-11 00:31:24,601 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == systemActive && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2021-10-11 00:31:24,602 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2021-10-11 00:31:24,602 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && tmp == systemActive) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2021-10-11 00:31:24,604 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 <= pumpRunning && \result <= 2) && tmp == systemActive) && 2 <= waterLevel) && 2 <= \result) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2021-10-11 00:31:24,605 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 [2021-10-11 00:31:24,610 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == systemActive && tmp == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((!(\result == 0) && tmp == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2021-10-11 00:31:24,610 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == systemActive && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2021-10-11 00:31:24,614 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 [2021-10-11 00:31:24,614 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == systemActive && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == systemActive && 2 <= waterLevel) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2021-10-11 00:31:24,713 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00f49837-27c9-4687-aa25-1706e76e7ca8/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:31:24,713 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:31:24,714 INFO L168 Benchmark]: Toolchain (without parser) took 8644.08 ms. Allocated memory was 102.8 MB in the beginning and 232.8 MB in the end (delta: 130.0 MB). Free memory was 74.2 MB in the beginning and 140.6 MB in the end (delta: -66.4 MB). Peak memory consumption was 64.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:24,714 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 102.8 MB. Free memory is still 61.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:31:24,715 INFO L168 Benchmark]: CACSL2BoogieTranslator took 587.43 ms. Allocated memory is still 102.8 MB. Free memory was 74.0 MB in the beginning and 67.6 MB in the end (delta: 6.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:24,715 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.12 ms. Allocated memory is still 102.8 MB. Free memory was 67.6 MB in the beginning and 63.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:24,716 INFO L168 Benchmark]: Boogie Preprocessor took 78.04 ms. Allocated memory is still 102.8 MB. Free memory was 63.7 MB in the beginning and 61.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:24,716 INFO L168 Benchmark]: RCFGBuilder took 1107.50 ms. Allocated memory was 102.8 MB in the beginning and 146.8 MB in the end (delta: 44.0 MB). Free memory was 61.0 MB in the beginning and 112.0 MB in the end (delta: -51.0 MB). Peak memory consumption was 33.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:24,716 INFO L168 Benchmark]: TraceAbstraction took 6575.73 ms. Allocated memory was 146.8 MB in the beginning and 232.8 MB in the end (delta: 86.0 MB). Free memory was 112.0 MB in the beginning and 151.1 MB in the end (delta: -39.1 MB). Peak memory consumption was 122.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:24,717 INFO L168 Benchmark]: Witness Printer took 192.27 ms. Allocated memory is still 232.8 MB. Free memory was 151.1 MB in the beginning and 140.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:24,719 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 102.8 MB. Free memory is still 61.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 587.43 ms. Allocated memory is still 102.8 MB. Free memory was 74.0 MB in the beginning and 67.6 MB in the end (delta: 6.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 92.12 ms. Allocated memory is still 102.8 MB. Free memory was 67.6 MB in the beginning and 63.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 78.04 ms. Allocated memory is still 102.8 MB. Free memory was 63.7 MB in the beginning and 61.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1107.50 ms. Allocated memory was 102.8 MB in the beginning and 146.8 MB in the end (delta: 44.0 MB). Free memory was 61.0 MB in the beginning and 112.0 MB in the end (delta: -51.0 MB). Peak memory consumption was 33.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6575.73 ms. Allocated memory was 146.8 MB in the beginning and 232.8 MB in the end (delta: 86.0 MB). Free memory was 112.0 MB in the beginning and 151.1 MB in the end (delta: -39.1 MB). Peak memory consumption was 122.6 MB. Max. memory is 16.1 GB. * Witness Printer took 192.27 ms. Allocated memory is still 232.8 MB. Free memory was 151.1 MB in the beginning and 140.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 430]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 430]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 430]: 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: 170]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= \result) && tmp == systemActive) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == systemActive && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: (((((((((1 <= pumpRunning && \result <= 2) && tmp == systemActive) && 2 <= waterLevel) && 2 <= \result) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: (((((((tmp == systemActive && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == systemActive && 2 <= waterLevel) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: ((((((tmp == systemActive && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && tmp == systemActive) && tmp == 1) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && tmp == systemActive) && tmp == 1) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && tmp == systemActive) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && tmp == systemActive) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: ((((((tmp == systemActive && tmp == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((!(\result == 0) && tmp == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == systemActive && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((((((1 <= pumpRunning && 1 < tmp) && \result <= 2) && tmp == systemActive) && tmp == 1) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp <= 2) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && tmp == systemActive) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 126 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.6s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1042 SDtfs, 1720 SDslu, 1532 SDs, 0 SdLazy, 276 SolverSat, 73 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 136 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=190occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 554 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 49 PreInvPairs, 141 NumberOfFragments, 798 HoareAnnotationTreeSize, 49 FomulaSimplifications, 94646 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 49 FomulaSimplificationsInter, 3219 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 380 NumberOfCodeBlocks, 380 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 369 ConstructedInterpolants, 0 QuantifiedInterpolants, 32036 SizeOfPredicates, 3 NumberOfNonLiveVariables, 443 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...