./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product41.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_39687968-8b84-4636-9f9a-eb6f45027590/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39687968-8b84-4636-9f9a-eb6f45027590/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_39687968-8b84-4636-9f9a-eb6f45027590/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39687968-8b84-4636-9f9a-eb6f45027590/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39687968-8b84-4636-9f9a-eb6f45027590/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_39687968-8b84-4636-9f9a-eb6f45027590/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 5b9eca3afb7c823b2d668da4db479190de6a16d4 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:24:01,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:24:01,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:24:01,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:24:01,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:24:01,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:24:01,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:24:01,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:24:01,892 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:24:01,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:24:01,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:24:01,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:24:01,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:24:01,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:24:01,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:24:01,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:24:01,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:24:01,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:24:01,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:24:01,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:24:01,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:24:01,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:24:01,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:24:01,912 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:24:01,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:24:01,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:24:01,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:24:01,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:24:01,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:24:01,919 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:24:01,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:24:01,920 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:24:01,921 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:24:01,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:24:01,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:24:01,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:24:01,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:24:01,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:24:01,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:24:01,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:24:01,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:24:01,929 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39687968-8b84-4636-9f9a-eb6f45027590/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:24:01,949 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:24:01,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:24:01,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:24:01,951 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:24:01,951 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:24:01,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:24:01,952 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:24:01,952 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:24:01,952 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:24:01,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:24:01,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:24:01,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:24:01,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:24:01,953 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:24:01,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:24:01,954 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:24:01,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:24:01,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:24:01,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:24:01,955 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:24:01,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:24:01,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:24:01,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:24:01,956 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:24:01,956 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:24:01,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:24:01,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:24:01,956 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:24:01,957 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_39687968-8b84-4636-9f9a-eb6f45027590/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39687968-8b84-4636-9f9a-eb6f45027590/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b9eca3afb7c823b2d668da4db479190de6a16d4 [2021-10-11 00:24:02,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:24:02,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:24:02,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:24:02,243 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:24:02,244 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:24:02,246 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39687968-8b84-4636-9f9a-eb6f45027590/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c [2021-10-11 00:24:02,325 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39687968-8b84-4636-9f9a-eb6f45027590/bin/uautomizer-Z5i5R5N3CC/data/7ec3e2174/d5c326ff07a24c47ae127b902282275a/FLAG0eff5c6c0 [2021-10-11 00:24:02,860 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:24:02,861 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39687968-8b84-4636-9f9a-eb6f45027590/sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c [2021-10-11 00:24:02,872 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39687968-8b84-4636-9f9a-eb6f45027590/bin/uautomizer-Z5i5R5N3CC/data/7ec3e2174/d5c326ff07a24c47ae127b902282275a/FLAG0eff5c6c0 [2021-10-11 00:24:03,170 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39687968-8b84-4636-9f9a-eb6f45027590/bin/uautomizer-Z5i5R5N3CC/data/7ec3e2174/d5c326ff07a24c47ae127b902282275a [2021-10-11 00:24:03,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:24:03,173 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:24:03,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:24:03,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:24:03,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:24:03,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:24:03" (1/1) ... [2021-10-11 00:24:03,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@235ab652 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:03, skipping insertion in model container [2021-10-11 00:24:03,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:24:03" (1/1) ... [2021-10-11 00:24:03,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:24:03,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:24:03,537 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_39687968-8b84-4636-9f9a-eb6f45027590/sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c[17910,17923] [2021-10-11 00:24:03,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:24:03,560 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:24:03,657 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_39687968-8b84-4636-9f9a-eb6f45027590/sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c[17910,17923] [2021-10-11 00:24:03,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:24:03,692 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:24:03,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:03 WrapperNode [2021-10-11 00:24:03,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:24:03,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:24:03,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:24:03,694 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:24:03,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:03" (1/1) ... [2021-10-11 00:24:03,723 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:03" (1/1) ... [2021-10-11 00:24:03,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:24:03,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:24:03,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:24:03,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:24:03,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:03" (1/1) ... [2021-10-11 00:24:03,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:03" (1/1) ... [2021-10-11 00:24:03,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:03" (1/1) ... [2021-10-11 00:24:03,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:03" (1/1) ... [2021-10-11 00:24:03,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:03" (1/1) ... [2021-10-11 00:24:03,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:03" (1/1) ... [2021-10-11 00:24:03,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:03" (1/1) ... [2021-10-11 00:24:03,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:24:03,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:24:03,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:24:03,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:24:03,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:03" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39687968-8b84-4636-9f9a-eb6f45027590/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:24:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:24:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:24:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:24:03,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:24:04,757 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:24:04,758 INFO L299 CfgBuilder]: Removed 128 assume(true) statements. [2021-10-11 00:24:04,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:24:04 BoogieIcfgContainer [2021-10-11 00:24:04,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:24:04,762 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:24:04,762 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:24:04,765 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:24:04,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:24:03" (1/3) ... [2021-10-11 00:24:04,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40017edb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:24:04, skipping insertion in model container [2021-10-11 00:24:04,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:03" (2/3) ... [2021-10-11 00:24:04,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40017edb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:24:04, skipping insertion in model container [2021-10-11 00:24:04,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:24:04" (3/3) ... [2021-10-11 00:24:04,769 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product41.cil.c [2021-10-11 00:24:04,782 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:24:04,786 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:24:04,798 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:24:04,823 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:24:04,823 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:24:04,823 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:24:04,823 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:24:04,823 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:24:04,824 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:24:04,824 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:24:04,824 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:24:04,840 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2021-10-11 00:24:04,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 00:24:04,846 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:04,847 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 00:24:04,848 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:04,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:04,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1151374926, now seen corresponding path program 1 times [2021-10-11 00:24:04,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:04,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816340509] [2021-10-11 00:24:04,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:05,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:24:05,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816340509] [2021-10-11 00:24:05,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:05,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:24:05,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251082626] [2021-10-11 00:24:05,167 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:24:05,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:05,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:24:05,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:24:05,188 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 2 states. [2021-10-11 00:24:05,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:05,244 INFO L93 Difference]: Finished difference Result 185 states and 274 transitions. [2021-10-11 00:24:05,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:24:05,246 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2021-10-11 00:24:05,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:05,265 INFO L225 Difference]: With dead ends: 185 [2021-10-11 00:24:05,265 INFO L226 Difference]: Without dead ends: 92 [2021-10-11 00:24:05,268 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:24:05,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-10-11 00:24:05,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2021-10-11 00:24:05,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2021-10-11 00:24:05,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2021-10-11 00:24:05,311 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 129 transitions. Word has length 19 [2021-10-11 00:24:05,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:05,311 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 129 transitions. [2021-10-11 00:24:05,311 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:24:05,312 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2021-10-11 00:24:05,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-11 00:24:05,313 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:05,313 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 00:24:05,313 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:24:05,314 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:05,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:05,315 INFO L82 PathProgramCache]: Analyzing trace with hash 654644627, now seen corresponding path program 1 times [2021-10-11 00:24:05,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:05,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451018167] [2021-10-11 00:24:05,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:05,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:24:05,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451018167] [2021-10-11 00:24:05,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:05,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:24:05,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149821814] [2021-10-11 00:24:05,498 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:24:05,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:05,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:24:05,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:24:05,501 INFO L87 Difference]: Start difference. First operand 92 states and 129 transitions. Second operand 3 states. [2021-10-11 00:24:05,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:05,525 INFO L93 Difference]: Finished difference Result 92 states and 129 transitions. [2021-10-11 00:24:05,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:24:05,526 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2021-10-11 00:24:05,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:05,531 INFO L225 Difference]: With dead ends: 92 [2021-10-11 00:24:05,532 INFO L226 Difference]: Without dead ends: 41 [2021-10-11 00:24:05,533 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:24:05,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-10-11 00:24:05,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2021-10-11 00:24:05,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2021-10-11 00:24:05,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 57 transitions. [2021-10-11 00:24:05,547 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 57 transitions. Word has length 20 [2021-10-11 00:24:05,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:05,548 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 57 transitions. [2021-10-11 00:24:05,549 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:24:05,549 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2021-10-11 00:24:05,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 00:24:05,550 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:05,551 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 00:24:05,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:24:05,552 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:05,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:05,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1356458264, now seen corresponding path program 1 times [2021-10-11 00:24:05,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:05,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093460819] [2021-10-11 00:24:05,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:05,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:24:05,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093460819] [2021-10-11 00:24:05,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:05,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:24:05,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127700592] [2021-10-11 00:24:05,703 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:24:05,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:05,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:24:05,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:24:05,711 INFO L87 Difference]: Start difference. First operand 41 states and 57 transitions. Second operand 3 states. [2021-10-11 00:24:05,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:05,725 INFO L93 Difference]: Finished difference Result 75 states and 107 transitions. [2021-10-11 00:24:05,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:24:05,726 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 00:24:05,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:05,728 INFO L225 Difference]: With dead ends: 75 [2021-10-11 00:24:05,728 INFO L226 Difference]: Without dead ends: 41 [2021-10-11 00:24:05,730 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:24:05,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-10-11 00:24:05,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2021-10-11 00:24:05,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2021-10-11 00:24:05,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2021-10-11 00:24:05,748 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 26 [2021-10-11 00:24:05,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:05,748 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2021-10-11 00:24:05,749 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:24:05,749 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2021-10-11 00:24:05,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 00:24:05,750 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:05,751 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] [2021-10-11 00:24:05,751 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:24:05,751 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:05,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:05,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1948968251, now seen corresponding path program 1 times [2021-10-11 00:24:05,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:05,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428607678] [2021-10-11 00:24:05,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:05,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:24:05,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428607678] [2021-10-11 00:24:05,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:05,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:24:05,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741105632] [2021-10-11 00:24:05,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:24:05,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:05,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:24:05,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:24:05,862 INFO L87 Difference]: Start difference. First operand 41 states and 56 transitions. Second operand 3 states. [2021-10-11 00:24:05,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:05,909 INFO L93 Difference]: Finished difference Result 99 states and 139 transitions. [2021-10-11 00:24:05,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:24:05,910 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2021-10-11 00:24:05,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:05,911 INFO L225 Difference]: With dead ends: 99 [2021-10-11 00:24:05,912 INFO L226 Difference]: Without dead ends: 65 [2021-10-11 00:24:05,913 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:24:05,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-10-11 00:24:05,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2021-10-11 00:24:05,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2021-10-11 00:24:05,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 87 transitions. [2021-10-11 00:24:05,921 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 87 transitions. Word has length 27 [2021-10-11 00:24:05,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:05,922 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 87 transitions. [2021-10-11 00:24:05,922 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:24:05,922 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2021-10-11 00:24:05,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:24:05,923 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:05,923 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] [2021-10-11 00:24:05,924 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:24:05,924 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:05,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:05,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1806698503, now seen corresponding path program 1 times [2021-10-11 00:24:05,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:05,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258958656] [2021-10-11 00:24:05,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:05,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:06,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:24:06,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258958656] [2021-10-11 00:24:06,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:06,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:24:06,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72736592] [2021-10-11 00:24:06,053 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:24:06,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:06,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:24:06,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:24:06,055 INFO L87 Difference]: Start difference. First operand 63 states and 87 transitions. Second operand 5 states. [2021-10-11 00:24:06,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:06,183 INFO L93 Difference]: Finished difference Result 216 states and 304 transitions. [2021-10-11 00:24:06,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:24:06,183 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-10-11 00:24:06,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:06,188 INFO L225 Difference]: With dead ends: 216 [2021-10-11 00:24:06,188 INFO L226 Difference]: Without dead ends: 160 [2021-10-11 00:24:06,192 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 00:24:06,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-10-11 00:24:06,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2021-10-11 00:24:06,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2021-10-11 00:24:06,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 84 transitions. [2021-10-11 00:24:06,206 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 84 transitions. Word has length 33 [2021-10-11 00:24:06,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:06,207 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 84 transitions. [2021-10-11 00:24:06,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:24:06,207 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2021-10-11 00:24:06,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-11 00:24:06,208 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:06,208 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, 1] [2021-10-11 00:24:06,208 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:24:06,208 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:06,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:06,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1255671478, now seen corresponding path program 1 times [2021-10-11 00:24:06,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:06,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055106148] [2021-10-11 00:24:06,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:06,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:24:06,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055106148] [2021-10-11 00:24:06,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:06,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:24:06,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026460974] [2021-10-11 00:24:06,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:24:06,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:06,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:24:06,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:24:06,294 INFO L87 Difference]: Start difference. First operand 62 states and 84 transitions. Second operand 5 states. [2021-10-11 00:24:06,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:06,347 INFO L93 Difference]: Finished difference Result 161 states and 220 transitions. [2021-10-11 00:24:06,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:24:06,348 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2021-10-11 00:24:06,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:06,349 INFO L225 Difference]: With dead ends: 161 [2021-10-11 00:24:06,349 INFO L226 Difference]: Without dead ends: 106 [2021-10-11 00:24:06,350 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 00:24:06,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2021-10-11 00:24:06,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 65. [2021-10-11 00:24:06,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2021-10-11 00:24:06,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 87 transitions. [2021-10-11 00:24:06,369 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 87 transitions. Word has length 36 [2021-10-11 00:24:06,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:06,371 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 87 transitions. [2021-10-11 00:24:06,371 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:24:06,371 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2021-10-11 00:24:06,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-11 00:24:06,372 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:06,373 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, 1] [2021-10-11 00:24:06,373 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:24:06,373 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:06,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:06,374 INFO L82 PathProgramCache]: Analyzing trace with hash 244554228, now seen corresponding path program 1 times [2021-10-11 00:24:06,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:06,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021372679] [2021-10-11 00:24:06,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:06,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:24:06,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021372679] [2021-10-11 00:24:06,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:06,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:24:06,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548579613] [2021-10-11 00:24:06,454 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:24:06,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:06,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:24:06,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:24:06,456 INFO L87 Difference]: Start difference. First operand 65 states and 87 transitions. Second operand 5 states. [2021-10-11 00:24:06,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:06,516 INFO L93 Difference]: Finished difference Result 170 states and 229 transitions. [2021-10-11 00:24:06,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:24:06,516 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2021-10-11 00:24:06,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:06,518 INFO L225 Difference]: With dead ends: 170 [2021-10-11 00:24:06,518 INFO L226 Difference]: Without dead ends: 112 [2021-10-11 00:24:06,519 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:24:06,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2021-10-11 00:24:06,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 67. [2021-10-11 00:24:06,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2021-10-11 00:24:06,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 89 transitions. [2021-10-11 00:24:06,540 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 89 transitions. Word has length 36 [2021-10-11 00:24:06,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:06,541 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 89 transitions. [2021-10-11 00:24:06,541 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:24:06,541 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 89 transitions. [2021-10-11 00:24:06,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-11 00:24:06,546 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:06,547 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, 1] [2021-10-11 00:24:06,547 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:24:06,547 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:06,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:06,548 INFO L82 PathProgramCache]: Analyzing trace with hash -776514126, now seen corresponding path program 1 times [2021-10-11 00:24:06,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:06,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536180461] [2021-10-11 00:24:06,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:06,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:24:06,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536180461] [2021-10-11 00:24:06,620 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:06,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:24:06,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415198850] [2021-10-11 00:24:06,621 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:24:06,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:06,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:24:06,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:24:06,622 INFO L87 Difference]: Start difference. First operand 67 states and 89 transitions. Second operand 3 states. [2021-10-11 00:24:06,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:06,646 INFO L93 Difference]: Finished difference Result 154 states and 206 transitions. [2021-10-11 00:24:06,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:24:06,647 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2021-10-11 00:24:06,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:06,648 INFO L225 Difference]: With dead ends: 154 [2021-10-11 00:24:06,648 INFO L226 Difference]: Without dead ends: 94 [2021-10-11 00:24:06,649 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:24:06,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-10-11 00:24:06,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2021-10-11 00:24:06,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2021-10-11 00:24:06,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 122 transitions. [2021-10-11 00:24:06,669 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 122 transitions. Word has length 36 [2021-10-11 00:24:06,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:06,669 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 122 transitions. [2021-10-11 00:24:06,669 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:24:06,670 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2021-10-11 00:24:06,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-11 00:24:06,674 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:06,674 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, 1, 1] [2021-10-11 00:24:06,674 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:24:06,675 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:06,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:06,675 INFO L82 PathProgramCache]: Analyzing trace with hash 2043974386, now seen corresponding path program 1 times [2021-10-11 00:24:06,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:06,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002732640] [2021-10-11 00:24:06,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:06,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:24:06,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002732640] [2021-10-11 00:24:06,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:06,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:24:06,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899445231] [2021-10-11 00:24:06,789 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 00:24:06,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:06,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 00:24:06,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:24:06,790 INFO L87 Difference]: Start difference. First operand 94 states and 122 transitions. Second operand 7 states. [2021-10-11 00:24:07,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:07,048 INFO L93 Difference]: Finished difference Result 432 states and 585 transitions. [2021-10-11 00:24:07,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-11 00:24:07,049 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2021-10-11 00:24:07,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:07,051 INFO L225 Difference]: With dead ends: 432 [2021-10-11 00:24:07,051 INFO L226 Difference]: Without dead ends: 372 [2021-10-11 00:24:07,052 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-10-11 00:24:07,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2021-10-11 00:24:07,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 158. [2021-10-11 00:24:07,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2021-10-11 00:24:07,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 207 transitions. [2021-10-11 00:24:07,070 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 207 transitions. Word has length 37 [2021-10-11 00:24:07,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:07,070 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 207 transitions. [2021-10-11 00:24:07,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 00:24:07,070 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 207 transitions. [2021-10-11 00:24:07,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-11 00:24:07,071 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:07,075 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] [2021-10-11 00:24:07,075 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:24:07,076 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:07,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:07,077 INFO L82 PathProgramCache]: Analyzing trace with hash 146896004, now seen corresponding path program 1 times [2021-10-11 00:24:07,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:07,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564963276] [2021-10-11 00:24:07,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:07,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:07,154 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 00:24:07,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564963276] [2021-10-11 00:24:07,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433740328] [2021-10-11 00:24:07,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39687968-8b84-4636-9f9a-eb6f45027590/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:24:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:07,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 00:24:07,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:24:07,401 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 00:24:07,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:24:07,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-10-11 00:24:07,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709660625] [2021-10-11 00:24:07,402 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-10-11 00:24:07,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:07,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 00:24:07,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:24:07,403 INFO L87 Difference]: Start difference. First operand 158 states and 207 transitions. Second operand 8 states. [2021-10-11 00:24:07,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:07,609 INFO L93 Difference]: Finished difference Result 288 states and 383 transitions. [2021-10-11 00:24:07,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:24:07,609 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2021-10-11 00:24:07,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:07,610 INFO L225 Difference]: With dead ends: 288 [2021-10-11 00:24:07,610 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:24:07,611 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-11 00:24:07,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:24:07,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:24:07,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:24:07,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:24:07,612 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2021-10-11 00:24:07,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:07,612 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:24:07,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-10-11 00:24:07,612 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:24:07,612 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:24:07,839 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-11 00:24:07,840 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:24:08,237 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 26 [2021-10-11 00:24:08,387 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 24 [2021-10-11 00:24:08,665 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2021-10-11 00:24:08,877 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 24 [2021-10-11 00:24:09,101 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 25 [2021-10-11 00:24:09,165 INFO L258 CegarLoopResult]: At program point L316(lines 316 322) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse4 (<= 2 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse1 .cse0 .cse4 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse0 .cse5 .cse2))) [2021-10-11 00:24:09,165 INFO L262 CegarLoopResult]: For program point L283(lines 283 290) no Hoare annotation was computed. [2021-10-11 00:24:09,166 INFO L258 CegarLoopResult]: At program point L316-1(lines 316 322) the Hoare annotation is: false [2021-10-11 00:24:09,166 INFO L258 CegarLoopResult]: At program point L316-2(lines 316 322) the Hoare annotation is: false [2021-10-11 00:24:09,166 INFO L265 CegarLoopResult]: At program point L283-1(lines 283 290) the Hoare annotation is: true [2021-10-11 00:24:09,166 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 942) no Hoare annotation was computed. [2021-10-11 00:24:09,166 INFO L262 CegarLoopResult]: For program point L118(lines 118 122) no Hoare annotation was computed. [2021-10-11 00:24:09,166 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:24:09,166 INFO L262 CegarLoopResult]: For program point L483(lines 482 527) no Hoare annotation was computed. [2021-10-11 00:24:09,167 INFO L258 CegarLoopResult]: At program point L467(lines 452 470) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (<= ~waterLevel~0 2)) (and (= ~waterLevel~0 1) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2))) [2021-10-11 00:24:09,167 INFO L258 CegarLoopResult]: At program point L467-1(lines 452 470) the Hoare annotation is: false [2021-10-11 00:24:09,167 INFO L258 CegarLoopResult]: At program point L467-2(lines 452 470) the Hoare annotation is: false [2021-10-11 00:24:09,167 INFO L262 CegarLoopResult]: For program point L484(lines 484 488) no Hoare annotation was computed. [2021-10-11 00:24:09,167 INFO L262 CegarLoopResult]: For program point L72(lines 72 89) no Hoare annotation was computed. [2021-10-11 00:24:09,168 INFO L258 CegarLoopResult]: At program point L72-1(lines 1 945) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 0)) (.cse4 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0 2)) (.cse0 (= ~pumpRunning~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse6 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse8 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse4 .cse5 .cse1 .cse6 .cse7 .cse8 .cse9 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse9 .cse2) (and .cse4 .cse0 .cse1 .cse5 .cse6 .cse7 .cse8 .cse2 .cse3))) [2021-10-11 00:24:09,168 INFO L262 CegarLoopResult]: For program point L518(lines 518 522) no Hoare annotation was computed. [2021-10-11 00:24:09,168 INFO L262 CegarLoopResult]: For program point L72-2(lines 72 89) no Hoare annotation was computed. [2021-10-11 00:24:09,168 INFO L258 CegarLoopResult]: At program point L72-3(lines 1 945) the Hoare annotation is: false [2021-10-11 00:24:09,168 INFO L262 CegarLoopResult]: For program point L518-2(lines 512 523) no Hoare annotation was computed. [2021-10-11 00:24:09,168 INFO L262 CegarLoopResult]: For program point L72-4(lines 72 89) no Hoare annotation was computed. [2021-10-11 00:24:09,168 INFO L258 CegarLoopResult]: At program point L72-5(lines 1 945) the Hoare annotation is: false [2021-10-11 00:24:09,168 INFO L258 CegarLoopResult]: At program point L188(lines 179 192) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (= ~waterLevel~0 1) .cse0 .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (<= ~waterLevel~0 2)))) [2021-10-11 00:24:09,168 INFO L258 CegarLoopResult]: At program point L188-1(lines 179 192) the Hoare annotation is: false [2021-10-11 00:24:09,169 INFO L258 CegarLoopResult]: At program point L188-2(lines 179 192) the Hoare annotation is: false [2021-10-11 00:24:09,169 INFO L262 CegarLoopResult]: For program point L502(lines 502 508) no Hoare annotation was computed. [2021-10-11 00:24:09,169 INFO L258 CegarLoopResult]: At program point L502-1(lines 502 508) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and (= ~waterLevel~0 1) .cse1 .cse5 .cse3))) [2021-10-11 00:24:09,169 INFO L258 CegarLoopResult]: At program point L403(lines 396 406) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2021-10-11 00:24:09,169 INFO L258 CegarLoopResult]: At program point L403-1(lines 396 406) the Hoare annotation is: false [2021-10-11 00:24:09,169 INFO L258 CegarLoopResult]: At program point L403-2(lines 396 406) the Hoare annotation is: false [2021-10-11 00:24:09,169 INFO L262 CegarLoopResult]: For program point L106(lines 106 110) no Hoare annotation was computed. [2021-10-11 00:24:09,169 INFO L262 CegarLoopResult]: For program point L106-3(lines 106 110) no Hoare annotation was computed. [2021-10-11 00:24:09,169 INFO L262 CegarLoopResult]: For program point L106-6(lines 106 110) no Hoare annotation was computed. [2021-10-11 00:24:09,170 INFO L258 CegarLoopResult]: At program point L255(lines 251 257) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:24:09,170 INFO L258 CegarLoopResult]: At program point L206-2(lines 206 220) the Hoare annotation is: false [2021-10-11 00:24:09,170 INFO L258 CegarLoopResult]: At program point L933(lines 928 936) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:24:09,170 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:24:09,170 INFO L262 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2021-10-11 00:24:09,170 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 942) no Hoare annotation was computed. [2021-10-11 00:24:09,170 INFO L258 CegarLoopResult]: At program point L175(lines 170 178) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse2 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse6 (<= ~waterLevel~0 2)) (.cse1 (= 1 ~systemActive~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse5 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse6) (and .cse1 .cse2 .cse3 .cse4 .cse7 .cse5 .cse6) (and (= ~waterLevel~0 1) .cse1 .cse7 .cse5))) [2021-10-11 00:24:09,171 INFO L258 CegarLoopResult]: At program point L175-1(lines 170 178) the Hoare annotation is: false [2021-10-11 00:24:09,171 INFO L258 CegarLoopResult]: At program point L175-2(lines 170 178) the Hoare annotation is: false [2021-10-11 00:24:09,171 INFO L262 CegarLoopResult]: For program point L76(lines 76 86) no Hoare annotation was computed. [2021-10-11 00:24:09,171 INFO L262 CegarLoopResult]: For program point L76-2(lines 76 86) no Hoare annotation was computed. [2021-10-11 00:24:09,171 INFO L262 CegarLoopResult]: For program point L76-4(lines 76 86) no Hoare annotation was computed. [2021-10-11 00:24:09,171 INFO L262 CegarLoopResult]: For program point L341(lines 341 358) no Hoare annotation was computed. [2021-10-11 00:24:09,171 INFO L262 CegarLoopResult]: For program point L341-1(lines 341 358) no Hoare annotation was computed. [2021-10-11 00:24:09,171 INFO L262 CegarLoopResult]: For program point L341-2(lines 341 358) no Hoare annotation was computed. [2021-10-11 00:24:09,171 INFO L258 CegarLoopResult]: At program point L143(lines 138 146) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2021-10-11 00:24:09,171 INFO L258 CegarLoopResult]: At program point L143-1(lines 138 146) the Hoare annotation is: false [2021-10-11 00:24:09,172 INFO L262 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2021-10-11 00:24:09,172 INFO L258 CegarLoopResult]: At program point L143-2(lines 138 146) the Hoare annotation is: false [2021-10-11 00:24:09,172 INFO L262 CegarLoopResult]: For program point L77-2(lines 77 83) no Hoare annotation was computed. [2021-10-11 00:24:09,172 INFO L262 CegarLoopResult]: For program point L77-4(lines 77 83) no Hoare annotation was computed. [2021-10-11 00:24:09,172 INFO L265 CegarLoopResult]: At program point L292(lines 273 295) the Hoare annotation is: true [2021-10-11 00:24:09,172 INFO L258 CegarLoopResult]: At program point L61(lines 309 315) the Hoare annotation is: (let ((.cse2 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse1 .cse2) (and (= ~waterLevel~0 1) .cse0 .cse3 .cse4 .cse1))) [2021-10-11 00:24:09,172 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:24:09,172 INFO L258 CegarLoopResult]: At program point L61-1(lines 309 315) the Hoare annotation is: false [2021-10-11 00:24:09,172 INFO L258 CegarLoopResult]: At program point L61-2(lines 309 315) the Hoare annotation is: false [2021-10-11 00:24:09,173 INFO L258 CegarLoopResult]: At program point L309(lines 305 327) the Hoare annotation is: (let ((.cse2 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse3 .cse1 .cse2) (and (= ~waterLevel~0 1) .cse0 .cse3 .cse1))) [2021-10-11 00:24:09,173 INFO L258 CegarLoopResult]: At program point L309-1(lines 305 327) the Hoare annotation is: false [2021-10-11 00:24:09,173 INFO L258 CegarLoopResult]: At program point L309-2(lines 305 327) the Hoare annotation is: false [2021-10-11 00:24:09,173 INFO L262 CegarLoopResult]: For program point L210(lines 210 214) no Hoare annotation was computed. [2021-10-11 00:24:09,173 INFO L262 CegarLoopResult]: For program point L210-1(lines 210 214) no Hoare annotation was computed. [2021-10-11 00:24:09,173 INFO L262 CegarLoopResult]: For program point L492(lines 492 498) no Hoare annotation was computed. [2021-10-11 00:24:09,173 INFO L258 CegarLoopResult]: At program point L492-1(lines 492 498) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and (= ~waterLevel~0 1) .cse1 .cse5 .cse3))) [2021-10-11 00:24:09,173 INFO L262 CegarLoopResult]: For program point L130(lines 130 134) no Hoare annotation was computed. [2021-10-11 00:24:09,174 INFO L262 CegarLoopResult]: For program point L378(lines 378 384) no Hoare annotation was computed. [2021-10-11 00:24:09,174 INFO L262 CegarLoopResult]: For program point L345(lines 345 353) no Hoare annotation was computed. [2021-10-11 00:24:09,174 INFO L262 CegarLoopResult]: For program point L345-1(lines 345 353) no Hoare annotation was computed. [2021-10-11 00:24:09,174 INFO L262 CegarLoopResult]: For program point L378-2(lines 378 384) no Hoare annotation was computed. [2021-10-11 00:24:09,174 INFO L262 CegarLoopResult]: For program point L345-2(lines 345 353) no Hoare annotation was computed. [2021-10-11 00:24:09,174 INFO L262 CegarLoopResult]: For program point L378-4(lines 378 384) no Hoare annotation was computed. [2021-10-11 00:24:09,174 INFO L262 CegarLoopResult]: For program point L461(lines 461 465) no Hoare annotation was computed. [2021-10-11 00:24:09,174 INFO L262 CegarLoopResult]: For program point L461-2(lines 461 465) no Hoare annotation was computed. [2021-10-11 00:24:09,174 INFO L262 CegarLoopResult]: For program point L461-3(lines 461 465) no Hoare annotation was computed. [2021-10-11 00:24:09,174 INFO L262 CegarLoopResult]: For program point L461-5(lines 461 465) no Hoare annotation was computed. [2021-10-11 00:24:09,174 INFO L262 CegarLoopResult]: For program point L461-6(lines 461 465) no Hoare annotation was computed. [2021-10-11 00:24:09,175 INFO L262 CegarLoopResult]: For program point L461-8(lines 461 465) no Hoare annotation was computed. [2021-10-11 00:24:09,175 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:24:09,175 INFO L258 CegarLoopResult]: At program point L412(lines 407 415) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse5 (<= 2 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse1 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse7 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse0 .cse5 .cse2 .cse3 .cse4) (and .cse1 .cse6 .cse5 .cse7 .cse2 .cse4) (and (= ~waterLevel~0 1) .cse1 .cse6 .cse7 .cse2))) [2021-10-11 00:24:09,175 INFO L258 CegarLoopResult]: At program point L412-1(lines 407 415) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) (<= ~waterLevel~0 2)) (and (= ~waterLevel~0 1) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1))) [2021-10-11 00:24:09,175 INFO L258 CegarLoopResult]: At program point L412-2(lines 407 415) the Hoare annotation is: false [2021-10-11 00:24:09,175 INFO L258 CegarLoopResult]: At program point L412-3(lines 407 415) the Hoare annotation is: false [2021-10-11 00:24:09,175 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 942) no Hoare annotation was computed. [2021-10-11 00:24:09,176 INFO L258 CegarLoopResult]: At program point L412-4(lines 407 415) the Hoare annotation is: false [2021-10-11 00:24:09,176 INFO L258 CegarLoopResult]: At program point L412-5(lines 407 415) the Hoare annotation is: false [2021-10-11 00:24:09,176 INFO L258 CegarLoopResult]: At program point L528(lines 481 529) the Hoare annotation is: false [2021-10-11 00:24:09,176 INFO L262 CegarLoopResult]: For program point L512(lines 512 523) no Hoare annotation was computed. [2021-10-11 00:24:09,176 INFO L258 CegarLoopResult]: At program point L925(lines 1 945) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:24:09,176 INFO L262 CegarLoopResult]: For program point L942(line 942) no Hoare annotation was computed. [2021-10-11 00:24:09,176 INFO L262 CegarLoopResult]: For program point L942-1(line 942) no Hoare annotation was computed. [2021-10-11 00:24:09,176 INFO L262 CegarLoopResult]: For program point L942-2(line 942) no Hoare annotation was computed. [2021-10-11 00:24:09,176 INFO L262 CegarLoopResult]: For program point L183(lines 183 189) no Hoare annotation was computed. [2021-10-11 00:24:09,176 INFO L262 CegarLoopResult]: For program point L183-1(lines 183 189) no Hoare annotation was computed. [2021-10-11 00:24:09,177 INFO L262 CegarLoopResult]: For program point L183-2(lines 183 189) no Hoare annotation was computed. [2021-10-11 00:24:09,177 INFO L258 CegarLoopResult]: At program point L51(lines 46 53) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:24:09,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:24:09 BoogieIcfgContainer [2021-10-11 00:24:09,227 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:24:09,227 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:24:09,230 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:24:09,230 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:24:09,231 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:24:04" (3/4) ... [2021-10-11 00:24:09,234 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:24:09,262 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:24:09,263 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:24:09,264 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:24:09,265 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:24:09,266 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:24:09,267 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:24:09,268 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:24:09,298 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((((((tmp <= 2 && \result <= 2) && 1 == systemActive) && 1 < tmp) && 2 <= waterLevel) && 2 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((tmp <= 2 && pumpRunning == 1) && 1 == systemActive) && \result <= 2) && 1 < tmp) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) [2021-10-11 00:24:09,299 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:24:09,300 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:24:09,302 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:24:09,302 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:24:09,302 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:24:09,302 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:24:09,304 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 1 && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || ((((((1 == systemActive && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:24:09,305 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && waterLevel == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2021-10-11 00:24:09,306 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:24:09,306 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((waterLevel == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:24:09,395 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39687968-8b84-4636-9f9a-eb6f45027590/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:24:09,395 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:24:09,396 INFO L168 Benchmark]: Toolchain (without parser) took 6222.66 ms. Allocated memory was 96.5 MB in the beginning and 146.8 MB in the end (delta: 50.3 MB). Free memory was 73.7 MB in the beginning and 41.0 MB in the end (delta: 32.7 MB). Peak memory consumption was 82.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:09,397 INFO L168 Benchmark]: CDTParser took 0.89 ms. Allocated memory is still 96.5 MB. Free memory is still 70.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:24:09,397 INFO L168 Benchmark]: CACSL2BoogieTranslator took 518.37 ms. Allocated memory is still 96.5 MB. Free memory was 73.5 MB in the beginning and 60.8 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:09,398 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.01 ms. Allocated memory is still 96.5 MB. Free memory was 60.8 MB in the beginning and 57.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:09,398 INFO L168 Benchmark]: Boogie Preprocessor took 45.32 ms. Allocated memory is still 96.5 MB. Free memory was 57.3 MB in the beginning and 54.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:09,398 INFO L168 Benchmark]: RCFGBuilder took 924.77 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 54.8 MB in the beginning and 54.6 MB in the end (delta: 126.4 kB). Peak memory consumption was 29.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:09,399 INFO L168 Benchmark]: TraceAbstraction took 4465.17 ms. Allocated memory was 117.4 MB in the beginning and 146.8 MB in the end (delta: 29.4 MB). Free memory was 54.0 MB in the beginning and 49.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 50.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:09,399 INFO L168 Benchmark]: Witness Printer took 168.25 ms. Allocated memory is still 146.8 MB. Free memory was 49.4 MB in the beginning and 41.0 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:09,401 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.89 ms. Allocated memory is still 96.5 MB. Free memory is still 70.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 518.37 ms. Allocated memory is still 96.5 MB. Free memory was 73.5 MB in the beginning and 60.8 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 95.01 ms. Allocated memory is still 96.5 MB. Free memory was 60.8 MB in the beginning and 57.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.32 ms. Allocated memory is still 96.5 MB. Free memory was 57.3 MB in the beginning and 54.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 924.77 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 54.8 MB in the beginning and 54.6 MB in the end (delta: 126.4 kB). Peak memory consumption was 29.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4465.17 ms. Allocated memory was 117.4 MB in the beginning and 146.8 MB in the end (delta: 29.4 MB). Free memory was 54.0 MB in the beginning and 49.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 50.8 MB. Max. memory is 16.1 GB. * Witness Printer took 168.25 ms. Allocated memory is still 146.8 MB. Free memory was 49.4 MB in the beginning and 41.0 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 942]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 942]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 942]: 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: ((((((((pumpRunning == 1 && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || ((((((1 == systemActive && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && waterLevel == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((((((tmp <= 2 && \result <= 2) && 1 == systemActive) && 1 < tmp) && 2 <= waterLevel) && 2 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((tmp <= 2 && pumpRunning == 1) && 1 == systemActive) && \result <= 2) && 1 < tmp) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: ((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: ((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((waterLevel == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 96 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 827 SDtfs, 981 SDslu, 1233 SDs, 0 SdLazy, 187 SolverSat, 53 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=158occurred 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, 400 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 97 NumberOfFragments, 747 HoareAnnotationTreeSize, 43 FomulaSimplifications, 18944 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 43 FomulaSimplificationsInter, 884 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 378 NumberOfCodeBlocks, 378 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 367 ConstructedInterpolants, 0 QuantifiedInterpolants, 29327 SizeOfPredicates, 3 NumberOfNonLiveVariables, 435 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...