./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product30.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_634509fc-e22d-4596-ae1a-c45fb9ee746c/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634509fc-e22d-4596-ae1a-c45fb9ee746c/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_634509fc-e22d-4596-ae1a-c45fb9ee746c/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634509fc-e22d-4596-ae1a-c45fb9ee746c/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634509fc-e22d-4596-ae1a-c45fb9ee746c/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_634509fc-e22d-4596-ae1a-c45fb9ee746c/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 29e1776280b08715eabf298fe4ff149758448bf2 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:20:34,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:20:34,882 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:20:34,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:20:34,934 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:20:34,935 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:20:34,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:20:34,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:20:34,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:20:34,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:20:34,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:20:34,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:20:34,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:20:34,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:20:34,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:20:34,951 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:20:34,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:20:34,953 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:20:34,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:20:34,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:20:34,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:20:34,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:20:34,964 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:20:34,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:20:34,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:20:34,969 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:20:34,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:20:34,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:20:34,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:20:34,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:20:34,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:20:34,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:20:34,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:20:34,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:20:34,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:20:34,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:20:34,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:20:34,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:20:34,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:20:34,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:20:34,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:20:34,983 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634509fc-e22d-4596-ae1a-c45fb9ee746c/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:20:35,008 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:20:35,008 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:20:35,009 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:20:35,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:20:35,010 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:20:35,010 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:20:35,011 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:20:35,011 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:20:35,011 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:20:35,011 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:20:35,011 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:20:35,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:20:35,012 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:20:35,012 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:20:35,012 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:20:35,013 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:20:35,013 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:20:35,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:20:35,013 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:20:35,014 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:20:35,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:20:35,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:20:35,014 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:20:35,015 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:20:35,015 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:20:35,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:20:35,015 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:20:35,016 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:20:35,016 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_634509fc-e22d-4596-ae1a-c45fb9ee746c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634509fc-e22d-4596-ae1a-c45fb9ee746c/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29e1776280b08715eabf298fe4ff149758448bf2 [2021-10-11 00:20:35,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:20:35,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:20:35,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:20:35,284 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:20:35,289 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:20:35,302 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634509fc-e22d-4596-ae1a-c45fb9ee746c/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c [2021-10-11 00:20:35,364 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634509fc-e22d-4596-ae1a-c45fb9ee746c/bin/uautomizer-Z5i5R5N3CC/data/f9764f6e4/fda5f3382bdb4b6081cb5e2d399f8360/FLAGa4d2f8908 [2021-10-11 00:20:35,825 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:20:35,826 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634509fc-e22d-4596-ae1a-c45fb9ee746c/sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c [2021-10-11 00:20:35,839 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634509fc-e22d-4596-ae1a-c45fb9ee746c/bin/uautomizer-Z5i5R5N3CC/data/f9764f6e4/fda5f3382bdb4b6081cb5e2d399f8360/FLAGa4d2f8908 [2021-10-11 00:20:36,172 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634509fc-e22d-4596-ae1a-c45fb9ee746c/bin/uautomizer-Z5i5R5N3CC/data/f9764f6e4/fda5f3382bdb4b6081cb5e2d399f8360 [2021-10-11 00:20:36,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:20:36,176 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:20:36,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:20:36,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:20:36,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:20:36,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:20:36" (1/1) ... [2021-10-11 00:20:36,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f20e555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:36, skipping insertion in model container [2021-10-11 00:20:36,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:20:36" (1/1) ... [2021-10-11 00:20:36,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:20:36,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:20:36,539 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_634509fc-e22d-4596-ae1a-c45fb9ee746c/sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c[17899,17912] [2021-10-11 00:20:36,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:20:36,552 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:20:36,668 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_634509fc-e22d-4596-ae1a-c45fb9ee746c/sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c[17899,17912] [2021-10-11 00:20:36,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:20:36,720 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:20:36,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:36 WrapperNode [2021-10-11 00:20:36,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:20:36,724 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:20:36,725 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:20:36,725 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:20:36,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:36" (1/1) ... [2021-10-11 00:20:36,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:36" (1/1) ... [2021-10-11 00:20:36,831 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:20:36,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:20:36,832 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:20:36,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:20:36,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:36" (1/1) ... [2021-10-11 00:20:36,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:36" (1/1) ... [2021-10-11 00:20:36,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:36" (1/1) ... [2021-10-11 00:20:36,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:36" (1/1) ... [2021-10-11 00:20:36,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:36" (1/1) ... [2021-10-11 00:20:36,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:36" (1/1) ... [2021-10-11 00:20:36,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:36" (1/1) ... [2021-10-11 00:20:36,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:20:36,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:20:36,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:20:36,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:20:36,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:36" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634509fc-e22d-4596-ae1a-c45fb9ee746c/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 00:20:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:20:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:20:36,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:20:36,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:20:38,063 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:20:38,064 INFO L299 CfgBuilder]: Removed 158 assume(true) statements. [2021-10-11 00:20:38,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:38 BoogieIcfgContainer [2021-10-11 00:20:38,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:20:38,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:20:38,068 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:20:38,071 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:20:38,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:20:36" (1/3) ... [2021-10-11 00:20:38,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d1083b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:20:38, skipping insertion in model container [2021-10-11 00:20:38,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:36" (2/3) ... [2021-10-11 00:20:38,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d1083b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:20:38, skipping insertion in model container [2021-10-11 00:20:38,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:38" (3/3) ... [2021-10-11 00:20:38,074 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product30.cil.c [2021-10-11 00:20:38,088 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:20:38,091 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:20:38,102 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:20:38,125 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:20:38,126 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:20:38,126 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:20:38,126 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:20:38,126 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:20:38,126 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:20:38,127 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:20:38,127 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:20:38,142 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2021-10-11 00:20:38,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:20:38,148 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:38,149 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:20:38,149 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:38,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:38,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1818136157, now seen corresponding path program 1 times [2021-10-11 00:20:38,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:38,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582176567] [2021-10-11 00:20:38,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:38,431 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 00:20:38,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582176567] [2021-10-11 00:20:38,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:38,433 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:20:38,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000410948] [2021-10-11 00:20:38,436 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:20:38,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:38,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:20:38,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:20:38,451 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 2 states. [2021-10-11 00:20:38,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:38,478 INFO L93 Difference]: Finished difference Result 204 states and 305 transitions. [2021-10-11 00:20:38,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:20:38,480 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 00:20:38,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:38,490 INFO L225 Difference]: With dead ends: 204 [2021-10-11 00:20:38,490 INFO L226 Difference]: Without dead ends: 101 [2021-10-11 00:20:38,493 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 00:20:38,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-10-11 00:20:38,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2021-10-11 00:20:38,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2021-10-11 00:20:38,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2021-10-11 00:20:38,534 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 16 [2021-10-11 00:20:38,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:38,534 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2021-10-11 00:20:38,535 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:20:38,535 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2021-10-11 00:20:38,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 00:20:38,536 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:38,536 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:20:38,536 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:20:38,536 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:38,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:38,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1430074242, now seen corresponding path program 1 times [2021-10-11 00:20:38,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:38,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000539874] [2021-10-11 00:20:38,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:38,621 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 00:20:38,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000539874] [2021-10-11 00:20:38,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:38,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:20:38,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740562850] [2021-10-11 00:20:38,623 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:20:38,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:38,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:20:38,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:20:38,625 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand 3 states. [2021-10-11 00:20:38,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:38,636 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2021-10-11 00:20:38,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:20:38,637 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 00:20:38,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:38,638 INFO L225 Difference]: With dead ends: 101 [2021-10-11 00:20:38,638 INFO L226 Difference]: Without dead ends: 43 [2021-10-11 00:20:38,639 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 00:20:38,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-11 00:20:38,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-10-11 00:20:38,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2021-10-11 00:20:38,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2021-10-11 00:20:38,645 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 17 [2021-10-11 00:20:38,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:38,645 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2021-10-11 00:20:38,645 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:20:38,645 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2021-10-11 00:20:38,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:20:38,646 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:38,646 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:20:38,647 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:20:38,647 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:38,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:38,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1358801466, now seen corresponding path program 1 times [2021-10-11 00:20:38,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:38,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369412693] [2021-10-11 00:20:38,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:38,738 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 00:20:38,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369412693] [2021-10-11 00:20:38,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:38,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:20:38,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083905774] [2021-10-11 00:20:38,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:20:38,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:38,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:20:38,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:20:38,769 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand 3 states. [2021-10-11 00:20:38,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:38,806 INFO L93 Difference]: Finished difference Result 80 states and 116 transitions. [2021-10-11 00:20:38,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:20:38,807 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 00:20:38,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:38,808 INFO L225 Difference]: With dead ends: 80 [2021-10-11 00:20:38,810 INFO L226 Difference]: Without dead ends: 43 [2021-10-11 00:20:38,811 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 00:20:38,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-11 00:20:38,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-10-11 00:20:38,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2021-10-11 00:20:38,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2021-10-11 00:20:38,823 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 22 [2021-10-11 00:20:38,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:38,824 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2021-10-11 00:20:38,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:20:38,824 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2021-10-11 00:20:38,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:20:38,826 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:38,826 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:20:38,827 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:20:38,827 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:38,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:38,829 INFO L82 PathProgramCache]: Analyzing trace with hash 2042078472, now seen corresponding path program 1 times [2021-10-11 00:20:38,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:38,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511100849] [2021-10-11 00:20:38,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:38,947 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 00:20:38,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511100849] [2021-10-11 00:20:38,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:38,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:20:38,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841544406] [2021-10-11 00:20:38,949 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 00:20:38,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:38,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 00:20:38,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:20:38,954 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 7 states. [2021-10-11 00:20:39,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:39,231 INFO L93 Difference]: Finished difference Result 286 states and 428 transitions. [2021-10-11 00:20:39,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-11 00:20:39,232 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2021-10-11 00:20:39,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:39,234 INFO L225 Difference]: With dead ends: 286 [2021-10-11 00:20:39,234 INFO L226 Difference]: Without dead ends: 249 [2021-10-11 00:20:39,235 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2021-10-11 00:20:39,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2021-10-11 00:20:39,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 108. [2021-10-11 00:20:39,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2021-10-11 00:20:39,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 154 transitions. [2021-10-11 00:20:39,271 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 154 transitions. Word has length 24 [2021-10-11 00:20:39,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:39,272 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 154 transitions. [2021-10-11 00:20:39,272 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 00:20:39,272 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 154 transitions. [2021-10-11 00:20:39,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 00:20:39,273 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:39,273 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:20:39,274 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:20:39,274 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:39,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:39,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1913417034, now seen corresponding path program 1 times [2021-10-11 00:20:39,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:39,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801878834] [2021-10-11 00:20:39,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:39,349 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 00:20:39,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801878834] [2021-10-11 00:20:39,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:39,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:20:39,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778391163] [2021-10-11 00:20:39,351 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:20:39,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:39,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:20:39,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:20:39,352 INFO L87 Difference]: Start difference. First operand 108 states and 154 transitions. Second operand 3 states. [2021-10-11 00:20:39,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:39,365 INFO L93 Difference]: Finished difference Result 165 states and 237 transitions. [2021-10-11 00:20:39,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:20:39,366 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2021-10-11 00:20:39,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:39,367 INFO L225 Difference]: With dead ends: 165 [2021-10-11 00:20:39,367 INFO L226 Difference]: Without dead ends: 63 [2021-10-11 00:20:39,368 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 00:20:39,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-10-11 00:20:39,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2021-10-11 00:20:39,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2021-10-11 00:20:39,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 80 transitions. [2021-10-11 00:20:39,377 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 80 transitions. Word has length 25 [2021-10-11 00:20:39,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:39,377 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 80 transitions. [2021-10-11 00:20:39,377 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:20:39,377 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2021-10-11 00:20:39,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-11 00:20:39,379 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:39,379 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:20:39,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:20:39,380 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:39,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:39,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1809526981, now seen corresponding path program 1 times [2021-10-11 00:20:39,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:39,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296518820] [2021-10-11 00:20:39,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:39,454 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:20:39,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296518820] [2021-10-11 00:20:39,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539294422] [2021-10-11 00:20:39,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634509fc-e22d-4596-ae1a-c45fb9ee746c/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 00:20:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:39,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 00:20:39,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:20:39,710 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:20:39,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:20:39,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-10-11 00:20:39,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599784048] [2021-10-11 00:20:39,711 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:20:39,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:39,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:20:39,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:20:39,712 INFO L87 Difference]: Start difference. First operand 63 states and 80 transitions. Second operand 4 states. [2021-10-11 00:20:39,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:39,780 INFO L93 Difference]: Finished difference Result 81 states and 104 transitions. [2021-10-11 00:20:39,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:20:39,780 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2021-10-11 00:20:39,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:39,781 INFO L225 Difference]: With dead ends: 81 [2021-10-11 00:20:39,781 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:20:39,782 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:20:39,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:20:39,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:20:39,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:20:39,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:20:39,782 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2021-10-11 00:20:39,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:39,782 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:20:39,783 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:20:39,783 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:20:39,783 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:20:39,991 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-10-11 00:20:39,997 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:20:40,437 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 946) no Hoare annotation was computed. [2021-10-11 00:20:40,438 INFO L258 CegarLoopResult]: At program point L433(lines 384 434) the Hoare annotation is: false [2021-10-11 00:20:40,438 INFO L258 CegarLoopResult]: At program point L929(lines 1 949) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:20:40,438 INFO L262 CegarLoopResult]: For program point L236(lines 236 253) no Hoare annotation was computed. [2021-10-11 00:20:40,438 INFO L262 CegarLoopResult]: For program point L236-1(lines 236 253) no Hoare annotation was computed. [2021-10-11 00:20:40,438 INFO L262 CegarLoopResult]: For program point L236-2(lines 236 253) no Hoare annotation was computed. [2021-10-11 00:20:40,438 INFO L258 CegarLoopResult]: At program point L867(lines 863 869) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:20:40,438 INFO L262 CegarLoopResult]: For program point L405(lines 405 411) no Hoare annotation was computed. [2021-10-11 00:20:40,439 INFO L258 CegarLoopResult]: At program point L405-1(lines 405 411) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2021-10-11 00:20:40,439 INFO L258 CegarLoopResult]: At program point L306(lines 301 309) the Hoare annotation is: false [2021-10-11 00:20:40,439 INFO L258 CegarLoopResult]: At program point L306-1(lines 301 309) the Hoare annotation is: false [2021-10-11 00:20:40,440 INFO L262 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2021-10-11 00:20:40,440 INFO L258 CegarLoopResult]: At program point L306-2(lines 301 309) the Hoare annotation is: false [2021-10-11 00:20:40,440 INFO L262 CegarLoopResult]: For program point L240-1(lines 240 248) no Hoare annotation was computed. [2021-10-11 00:20:40,440 INFO L262 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2021-10-11 00:20:40,440 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 946) no Hoare annotation was computed. [2021-10-11 00:20:40,440 INFO L265 CegarLoopResult]: At program point L902(lines 883 905) the Hoare annotation is: true [2021-10-11 00:20:40,441 INFO L262 CegarLoopResult]: For program point L210(lines 210 227) no Hoare annotation was computed. [2021-10-11 00:20:40,441 INFO L262 CegarLoopResult]: For program point L210-1(lines 210 227) no Hoare annotation was computed. [2021-10-11 00:20:40,441 INFO L262 CegarLoopResult]: For program point L210-2(lines 210 227) no Hoare annotation was computed. [2021-10-11 00:20:40,442 INFO L262 CegarLoopResult]: For program point L210-3(lines 210 227) no Hoare annotation was computed. [2021-10-11 00:20:40,442 INFO L262 CegarLoopResult]: For program point L210-4(lines 210 227) no Hoare annotation was computed. [2021-10-11 00:20:40,442 INFO L262 CegarLoopResult]: For program point L210-5(lines 210 227) no Hoare annotation was computed. [2021-10-11 00:20:40,449 INFO L258 CegarLoopResult]: At program point L937(lines 932 940) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:20:40,449 INFO L258 CegarLoopResult]: At program point L178(lines 177 196) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2021-10-11 00:20:40,449 INFO L262 CegarLoopResult]: For program point L178-1(lines 178 184) no Hoare annotation was computed. [2021-10-11 00:20:40,449 INFO L258 CegarLoopResult]: At program point L178-2(lines 177 196) the Hoare annotation is: false [2021-10-11 00:20:40,449 INFO L262 CegarLoopResult]: For program point L79(lines 79 83) no Hoare annotation was computed. [2021-10-11 00:20:40,449 INFO L258 CegarLoopResult]: At program point L178-3(lines 177 196) the Hoare annotation is: false [2021-10-11 00:20:40,450 INFO L262 CegarLoopResult]: For program point L214(lines 214 222) no Hoare annotation was computed. [2021-10-11 00:20:40,450 INFO L262 CegarLoopResult]: For program point L214-1(lines 214 222) no Hoare annotation was computed. [2021-10-11 00:20:40,450 INFO L262 CegarLoopResult]: For program point L148(lines 148 161) no Hoare annotation was computed. [2021-10-11 00:20:40,450 INFO L262 CegarLoopResult]: For program point L214-2(lines 214 222) no Hoare annotation was computed. [2021-10-11 00:20:40,450 INFO L258 CegarLoopResult]: At program point L148-1(lines 1 949) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 ~systemActive~0) .cse0 .cse1 .cse2) (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 0))))) [2021-10-11 00:20:40,450 INFO L262 CegarLoopResult]: For program point L214-3(lines 214 222) no Hoare annotation was computed. [2021-10-11 00:20:40,450 INFO L262 CegarLoopResult]: For program point L148-2(lines 148 161) no Hoare annotation was computed. [2021-10-11 00:20:40,451 INFO L262 CegarLoopResult]: For program point L214-4(lines 214 222) no Hoare annotation was computed. [2021-10-11 00:20:40,451 INFO L258 CegarLoopResult]: At program point L148-3(lines 1 949) the Hoare annotation is: false [2021-10-11 00:20:40,451 INFO L262 CegarLoopResult]: For program point L214-5(lines 214 222) no Hoare annotation was computed. [2021-10-11 00:20:40,451 INFO L262 CegarLoopResult]: For program point L148-4(lines 148 161) no Hoare annotation was computed. [2021-10-11 00:20:40,451 INFO L258 CegarLoopResult]: At program point L148-5(lines 1 949) the Hoare annotation is: false [2021-10-11 00:20:40,452 INFO L262 CegarLoopResult]: For program point L415(lines 415 428) no Hoare annotation was computed. [2021-10-11 00:20:40,452 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:20:40,452 INFO L258 CegarLoopResult]: At program point L185(lines 185 191) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2021-10-11 00:20:40,452 INFO L262 CegarLoopResult]: For program point L152(lines 152 158) no Hoare annotation was computed. [2021-10-11 00:20:40,453 INFO L258 CegarLoopResult]: At program point L185-1(lines 185 191) the Hoare annotation is: false [2021-10-11 00:20:40,453 INFO L258 CegarLoopResult]: At program point L185-2(lines 185 191) the Hoare annotation is: false [2021-10-11 00:20:40,453 INFO L262 CegarLoopResult]: For program point L152-2(lines 152 158) no Hoare annotation was computed. [2021-10-11 00:20:40,454 INFO L262 CegarLoopResult]: For program point L152-4(lines 152 158) no Hoare annotation was computed. [2021-10-11 00:20:40,454 INFO L262 CegarLoopResult]: For program point L946(line 946) no Hoare annotation was computed. [2021-10-11 00:20:40,454 INFO L262 CegarLoopResult]: For program point L946-1(line 946) no Hoare annotation was computed. [2021-10-11 00:20:40,454 INFO L262 CegarLoopResult]: For program point L946-2(line 946) no Hoare annotation was computed. [2021-10-11 00:20:40,454 INFO L262 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2021-10-11 00:20:40,454 INFO L262 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2021-10-11 00:20:40,454 INFO L262 CegarLoopResult]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2021-10-11 00:20:40,455 INFO L262 CegarLoopResult]: For program point L386(lines 385 432) no Hoare annotation was computed. [2021-10-11 00:20:40,455 INFO L262 CegarLoopResult]: For program point L387(lines 387 391) no Hoare annotation was computed. [2021-10-11 00:20:40,455 INFO L262 CegarLoopResult]: For program point L355(lines 355 359) no Hoare annotation was computed. [2021-10-11 00:20:40,455 INFO L262 CegarLoopResult]: For program point L355-2(lines 355 359) no Hoare annotation was computed. [2021-10-11 00:20:40,455 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:20:40,455 INFO L262 CegarLoopResult]: For program point L355-3(lines 355 359) no Hoare annotation was computed. [2021-10-11 00:20:40,455 INFO L262 CegarLoopResult]: For program point L355-5(lines 355 359) no Hoare annotation was computed. [2021-10-11 00:20:40,455 INFO L262 CegarLoopResult]: For program point L355-6(lines 355 359) no Hoare annotation was computed. [2021-10-11 00:20:40,455 INFO L258 CegarLoopResult]: At program point L124(lines 119 127) the Hoare annotation is: (and (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2021-10-11 00:20:40,456 INFO L262 CegarLoopResult]: For program point L355-8(lines 355 359) no Hoare annotation was computed. [2021-10-11 00:20:40,456 INFO L258 CegarLoopResult]: At program point L124-1(lines 119 127) the Hoare annotation is: false [2021-10-11 00:20:40,456 INFO L262 CegarLoopResult]: For program point L355-9(lines 355 359) no Hoare annotation was computed. [2021-10-11 00:20:40,456 INFO L258 CegarLoopResult]: At program point L124-2(lines 119 127) the Hoare annotation is: false [2021-10-11 00:20:40,456 INFO L262 CegarLoopResult]: For program point L355-11(lines 355 359) no Hoare annotation was computed. [2021-10-11 00:20:40,456 INFO L262 CegarLoopResult]: For program point L355-12(lines 355 359) no Hoare annotation was computed. [2021-10-11 00:20:40,456 INFO L262 CegarLoopResult]: For program point L355-14(lines 355 359) no Hoare annotation was computed. [2021-10-11 00:20:40,456 INFO L262 CegarLoopResult]: For program point L355-15(lines 355 359) no Hoare annotation was computed. [2021-10-11 00:20:40,456 INFO L262 CegarLoopResult]: For program point L355-17(lines 355 359) no Hoare annotation was computed. [2021-10-11 00:20:40,456 INFO L258 CegarLoopResult]: At program point L92(lines 87 95) the Hoare annotation is: false [2021-10-11 00:20:40,457 INFO L258 CegarLoopResult]: At program point L92-1(lines 87 95) the Hoare annotation is: false [2021-10-11 00:20:40,457 INFO L258 CegarLoopResult]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2021-10-11 00:20:40,457 INFO L258 CegarLoopResult]: At program point L819-2(lines 819 833) the Hoare annotation is: false [2021-10-11 00:20:40,457 INFO L262 CegarLoopResult]: For program point L423(lines 423 427) no Hoare annotation was computed. [2021-10-11 00:20:40,457 INFO L258 CegarLoopResult]: At program point L423-2(lines 178 184) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2021-10-11 00:20:40,457 INFO L262 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2021-10-11 00:20:40,458 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:20:40,458 INFO L262 CegarLoopResult]: For program point L823(lines 823 827) no Hoare annotation was computed. [2021-10-11 00:20:40,458 INFO L262 CegarLoopResult]: For program point L823-1(lines 178 184) no Hoare annotation was computed. [2021-10-11 00:20:40,458 INFO L258 CegarLoopResult]: At program point L361(lines 346 364) the Hoare annotation is: false [2021-10-11 00:20:40,458 INFO L258 CegarLoopResult]: At program point L361-1(lines 346 364) the Hoare annotation is: false [2021-10-11 00:20:40,458 INFO L258 CegarLoopResult]: At program point L361-2(lines 346 364) the Hoare annotation is: false [2021-10-11 00:20:40,459 INFO L258 CegarLoopResult]: At program point L361-3(lines 346 364) the Hoare annotation is: false [2021-10-11 00:20:40,459 INFO L258 CegarLoopResult]: At program point L361-4(lines 346 364) the Hoare annotation is: false [2021-10-11 00:20:40,459 INFO L258 CegarLoopResult]: At program point L361-5(lines 346 364) the Hoare annotation is: false [2021-10-11 00:20:40,459 INFO L262 CegarLoopResult]: For program point L395(lines 395 401) no Hoare annotation was computed. [2021-10-11 00:20:40,459 INFO L258 CegarLoopResult]: At program point L395-1(lines 395 401) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2021-10-11 00:20:40,459 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:20:40,459 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 946) no Hoare annotation was computed. [2021-10-11 00:20:40,459 INFO L258 CegarLoopResult]: At program point L297(lines 290 300) the Hoare annotation is: false [2021-10-11 00:20:40,459 INFO L258 CegarLoopResult]: At program point L297-1(lines 290 300) the Hoare annotation is: false [2021-10-11 00:20:40,460 INFO L258 CegarLoopResult]: At program point L297-2(lines 290 300) the Hoare annotation is: false [2021-10-11 00:20:40,460 INFO L258 CegarLoopResult]: At program point L133(lines 128 136) the Hoare annotation is: false [2021-10-11 00:20:40,460 INFO L258 CegarLoopResult]: At program point L133-1(lines 128 136) the Hoare annotation is: false [2021-10-11 00:20:40,460 INFO L262 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-10-11 00:20:40,460 INFO L258 CegarLoopResult]: At program point L133-2(lines 128 136) the Hoare annotation is: false [2021-10-11 00:20:40,460 INFO L258 CegarLoopResult]: At program point L133-3(lines 128 136) the Hoare annotation is: false [2021-10-11 00:20:40,460 INFO L258 CegarLoopResult]: At program point L133-4(lines 128 136) the Hoare annotation is: false [2021-10-11 00:20:40,460 INFO L258 CegarLoopResult]: At program point L133-5(lines 128 136) the Hoare annotation is: false [2021-10-11 00:20:40,460 INFO L262 CegarLoopResult]: For program point L893(lines 893 900) no Hoare annotation was computed. [2021-10-11 00:20:40,461 INFO L265 CegarLoopResult]: At program point L893-1(lines 893 900) the Hoare annotation is: true [2021-10-11 00:20:40,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:20:40 BoogieIcfgContainer [2021-10-11 00:20:40,496 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:20:40,496 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:20:40,496 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:20:40,497 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:20:40,497 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:38" (3/4) ... [2021-10-11 00:20:40,500 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:20:40,526 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:20:40,527 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:20:40,528 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:20:40,529 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:20:40,530 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:20:40,531 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:20:40,532 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:20:40,557 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(\result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) [2021-10-11 00:20:40,562 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel [2021-10-11 00:20:40,681 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634509fc-e22d-4596-ae1a-c45fb9ee746c/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:20:40,682 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:20:40,683 INFO L168 Benchmark]: Toolchain (without parser) took 4506.51 ms. Allocated memory was 88.1 MB in the beginning and 144.7 MB in the end (delta: 56.6 MB). Free memory was 52.0 MB in the beginning and 104.6 MB in the end (delta: -52.7 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:40,684 INFO L168 Benchmark]: CDTParser took 0.78 ms. Allocated memory is still 88.1 MB. Free memory is still 69.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:20:40,685 INFO L168 Benchmark]: CACSL2BoogieTranslator took 546.24 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 51.8 MB in the beginning and 74.9 MB in the end (delta: -23.1 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:40,687 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.91 ms. Allocated memory is still 109.1 MB. Free memory was 74.9 MB in the beginning and 71.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:40,689 INFO L168 Benchmark]: Boogie Preprocessor took 51.41 ms. Allocated memory is still 109.1 MB. Free memory was 71.1 MB in the beginning and 68.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:40,689 INFO L168 Benchmark]: RCFGBuilder took 1181.73 ms. Allocated memory is still 109.1 MB. Free memory was 68.4 MB in the beginning and 80.8 MB in the end (delta: -12.4 MB). Peak memory consumption was 33.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:40,690 INFO L168 Benchmark]: TraceAbstraction took 2428.56 ms. Allocated memory was 109.1 MB in the beginning and 144.7 MB in the end (delta: 35.7 MB). Free memory was 80.1 MB in the beginning and 114.1 MB in the end (delta: -33.9 MB). Peak memory consumption was 67.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:40,690 INFO L168 Benchmark]: Witness Printer took 185.33 ms. Allocated memory is still 144.7 MB. Free memory was 114.1 MB in the beginning and 104.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:40,693 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78 ms. Allocated memory is still 88.1 MB. Free memory is still 69.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 546.24 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 51.8 MB in the beginning and 74.9 MB in the end (delta: -23.1 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 106.91 ms. Allocated memory is still 109.1 MB. Free memory was 74.9 MB in the beginning and 71.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.41 ms. Allocated memory is still 109.1 MB. Free memory was 71.1 MB in the beginning and 68.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1181.73 ms. Allocated memory is still 109.1 MB. Free memory was 68.4 MB in the beginning and 80.8 MB in the end (delta: -12.4 MB). Peak memory consumption was 33.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2428.56 ms. Allocated memory was 109.1 MB in the beginning and 144.7 MB in the end (delta: 35.7 MB). Free memory was 80.1 MB in the beginning and 114.1 MB in the end (delta: -33.9 MB). Peak memory consumption was 67.5 MB. Max. memory is 16.1 GB. * Witness Printer took 185.33 ms. Allocated memory is still 144.7 MB. Free memory was 114.1 MB in the beginning and 104.6 MB in the end (delta: 9.4 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: 946]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 946]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 946]: 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: (((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(\result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp == 0)) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 932]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 105 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.8s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 436 SDtfs, 589 SDslu, 451 SDs, 0 SdLazy, 97 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 141 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 59 NumberOfFragments, 180 HoareAnnotationTreeSize, 43 FomulaSimplifications, 318 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 43 FomulaSimplificationsInter, 176 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 179 ConstructedInterpolants, 0 QuantifiedInterpolants, 11242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 382 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 27/32 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...