./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product27.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_fe66666f-28e5-424b-9398-b26172c3c3ed/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe66666f-28e5-424b-9398-b26172c3c3ed/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_fe66666f-28e5-424b-9398-b26172c3c3ed/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe66666f-28e5-424b-9398-b26172c3c3ed/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe66666f-28e5-424b-9398-b26172c3c3ed/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_fe66666f-28e5-424b-9398-b26172c3c3ed/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 576a1858cb64f3543afb00cb741cc3175c43895a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:31:57,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:31:57,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:31:57,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:31:57,940 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:31:57,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:31:57,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:31:57,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:31:57,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:31:57,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:31:57,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:31:57,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:31:57,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:31:57,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:31:57,968 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:31:57,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:31:57,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:31:57,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:31:57,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:31:57,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:31:57,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:31:57,995 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:31:57,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:31:57,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:31:58,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:31:58,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:31:58,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:31:58,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:31:58,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:31:58,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:31:58,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:31:58,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:31:58,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:31:58,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:31:58,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:31:58,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:31:58,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:31:58,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:31:58,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:31:58,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:31:58,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:31:58,032 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe66666f-28e5-424b-9398-b26172c3c3ed/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:31:58,066 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:31:58,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:31:58,067 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:31:58,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:31:58,068 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:31:58,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:31:58,068 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:31:58,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:31:58,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:31:58,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:31:58,069 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:31:58,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:31:58,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:31:58,070 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:31:58,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:31:58,071 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:31:58,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:31:58,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:31:58,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:31:58,072 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:31:58,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:31:58,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:31:58,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:31:58,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:31:58,073 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:31:58,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:31:58,073 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:31:58,073 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:31:58,074 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_fe66666f-28e5-424b-9398-b26172c3c3ed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe66666f-28e5-424b-9398-b26172c3c3ed/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 576a1858cb64f3543afb00cb741cc3175c43895a [2021-10-11 00:31:58,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:31:58,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:31:58,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:31:58,356 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:31:58,358 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:31:58,361 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe66666f-28e5-424b-9398-b26172c3c3ed/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2021-10-11 00:31:58,449 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe66666f-28e5-424b-9398-b26172c3c3ed/bin/uautomizer-Z5i5R5N3CC/data/c93dbd1b8/4600a9a888604b408e2693472cc5149a/FLAG432e981ea [2021-10-11 00:31:59,072 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:31:59,073 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe66666f-28e5-424b-9398-b26172c3c3ed/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2021-10-11 00:31:59,095 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe66666f-28e5-424b-9398-b26172c3c3ed/bin/uautomizer-Z5i5R5N3CC/data/c93dbd1b8/4600a9a888604b408e2693472cc5149a/FLAG432e981ea [2021-10-11 00:31:59,362 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe66666f-28e5-424b-9398-b26172c3c3ed/bin/uautomizer-Z5i5R5N3CC/data/c93dbd1b8/4600a9a888604b408e2693472cc5149a [2021-10-11 00:31:59,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:31:59,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:31:59,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:31:59,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:31:59,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:31:59,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:31:59" (1/1) ... [2021-10-11 00:31:59,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63768e8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:59, skipping insertion in model container [2021-10-11 00:31:59,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:31:59" (1/1) ... [2021-10-11 00:31:59,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:31:59,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:31:59,620 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_fe66666f-28e5-424b-9398-b26172c3c3ed/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c[1817,1830] [2021-10-11 00:31:59,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:31:59,739 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:31:59,756 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_fe66666f-28e5-424b-9398-b26172c3c3ed/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c[1817,1830] [2021-10-11 00:31:59,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:31:59,887 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:31:59,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:59 WrapperNode [2021-10-11 00:31:59,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:31:59,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:31:59,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:31:59,889 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:31:59,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:59" (1/1) ... [2021-10-11 00:31:59,929 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:59" (1/1) ... [2021-10-11 00:31:59,980 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:31:59,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:31:59,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:31:59,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:31:59,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:59" (1/1) ... [2021-10-11 00:31:59,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:59" (1/1) ... [2021-10-11 00:32:00,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:59" (1/1) ... [2021-10-11 00:32:00,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:59" (1/1) ... [2021-10-11 00:32:00,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:59" (1/1) ... [2021-10-11 00:32:00,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:59" (1/1) ... [2021-10-11 00:32:00,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:59" (1/1) ... [2021-10-11 00:32:00,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:32:00,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:32:00,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:32:00,036 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:32:00,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:59" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe66666f-28e5-424b-9398-b26172c3c3ed/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 00:32:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:32:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:32:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:32:00,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:32:00,866 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:32:00,866 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-10-11 00:32:00,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:00 BoogieIcfgContainer [2021-10-11 00:32:00,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:32:00,872 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:32:00,872 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:32:00,876 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:32:00,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:31:59" (1/3) ... [2021-10-11 00:32:00,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68a04654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:32:00, skipping insertion in model container [2021-10-11 00:32:00,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:59" (2/3) ... [2021-10-11 00:32:00,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68a04654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:32:00, skipping insertion in model container [2021-10-11 00:32:00,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:00" (3/3) ... [2021-10-11 00:32:00,880 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product27.cil.c [2021-10-11 00:32:00,896 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:32:00,900 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:32:00,911 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:32:00,934 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:32:00,934 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:32:00,934 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:32:00,935 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:32:00,935 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:32:00,935 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:32:00,935 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:32:00,935 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:32:00,951 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2021-10-11 00:32:00,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:32:00,958 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:00,958 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:00,959 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:00,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:00,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1613004623, now seen corresponding path program 1 times [2021-10-11 00:32:00,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:00,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358772347] [2021-10-11 00:32:00,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:01,274 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 00:32:01,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358772347] [2021-10-11 00:32:01,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:01,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:32:01,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220462789] [2021-10-11 00:32:01,282 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:32:01,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:01,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:32:01,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:32:01,302 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2021-10-11 00:32:01,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:01,335 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2021-10-11 00:32:01,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:32:01,337 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 00:32:01,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:01,347 INFO L225 Difference]: With dead ends: 148 [2021-10-11 00:32:01,347 INFO L226 Difference]: Without dead ends: 73 [2021-10-11 00:32:01,352 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 00:32:01,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-11 00:32:01,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-11 00:32:01,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2021-10-11 00:32:01,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-10-11 00:32:01,413 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2021-10-11 00:32:01,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:01,414 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-10-11 00:32:01,414 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:32:01,415 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-10-11 00:32:01,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 00:32:01,416 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:01,416 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 00:32:01,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:32:01,417 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:01,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:01,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1635205776, now seen corresponding path program 1 times [2021-10-11 00:32:01,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:01,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162041045] [2021-10-11 00:32:01,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:01,597 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 00:32:01,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162041045] [2021-10-11 00:32:01,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:01,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:32:01,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608818407] [2021-10-11 00:32:01,600 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:32:01,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:01,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:32:01,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:32:01,603 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2021-10-11 00:32:01,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:01,627 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2021-10-11 00:32:01,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:32:01,628 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 00:32:01,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:01,630 INFO L225 Difference]: With dead ends: 73 [2021-10-11 00:32:01,630 INFO L226 Difference]: Without dead ends: 35 [2021-10-11 00:32:01,631 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 00:32:01,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-11 00:32:01,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-11 00:32:01,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-10-11 00:32:01,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-11 00:32:01,640 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2021-10-11 00:32:01,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:01,640 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-11 00:32:01,641 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:32:01,641 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-11 00:32:01,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:32:01,643 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:01,644 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 00:32:01,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:32:01,644 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:01,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:01,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1451070739, now seen corresponding path program 1 times [2021-10-11 00:32:01,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:01,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968790823] [2021-10-11 00:32:01,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:01,743 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 00:32:01,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968790823] [2021-10-11 00:32:01,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:01,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:32:01,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101208060] [2021-10-11 00:32:01,745 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:32:01,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:01,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:32:01,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:32:01,746 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2021-10-11 00:32:01,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:01,760 INFO L93 Difference]: Finished difference Result 93 states and 135 transitions. [2021-10-11 00:32:01,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:32:01,761 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 00:32:01,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:01,762 INFO L225 Difference]: With dead ends: 93 [2021-10-11 00:32:01,763 INFO L226 Difference]: Without dead ends: 64 [2021-10-11 00:32:01,763 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 00:32:01,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-10-11 00:32:01,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2021-10-11 00:32:01,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2021-10-11 00:32:01,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 87 transitions. [2021-10-11 00:32:01,771 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 87 transitions. Word has length 22 [2021-10-11 00:32:01,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:01,772 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 87 transitions. [2021-10-11 00:32:01,772 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:32:01,772 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2021-10-11 00:32:01,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 00:32:01,773 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:01,773 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:01,774 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:32:01,774 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:01,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:01,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1281905457, now seen corresponding path program 1 times [2021-10-11 00:32:01,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:01,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97516713] [2021-10-11 00:32:01,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:01,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:01,850 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 00:32:01,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97516713] [2021-10-11 00:32:01,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:01,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:32:01,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516142740] [2021-10-11 00:32:01,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:32:01,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:01,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:32:01,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:32:01,855 INFO L87 Difference]: Start difference. First operand 60 states and 87 transitions. Second operand 5 states. [2021-10-11 00:32:01,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:01,992 INFO L93 Difference]: Finished difference Result 298 states and 454 transitions. [2021-10-11 00:32:01,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:32:01,993 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2021-10-11 00:32:01,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:02,000 INFO L225 Difference]: With dead ends: 298 [2021-10-11 00:32:02,000 INFO L226 Difference]: Without dead ends: 244 [2021-10-11 00:32:02,001 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 00:32:02,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2021-10-11 00:32:02,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 108. [2021-10-11 00:32:02,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2021-10-11 00:32:02,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 157 transitions. [2021-10-11 00:32:02,033 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 157 transitions. Word has length 23 [2021-10-11 00:32:02,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:02,034 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 157 transitions. [2021-10-11 00:32:02,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:32:02,034 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 157 transitions. [2021-10-11 00:32:02,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:32:02,038 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:02,038 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 00:32:02,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:32:02,039 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:02,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:02,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1060203461, now seen corresponding path program 1 times [2021-10-11 00:32:02,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:02,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123890315] [2021-10-11 00:32:02,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:02,143 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 00:32:02,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123890315] [2021-10-11 00:32:02,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:02,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:32:02,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610794981] [2021-10-11 00:32:02,147 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:32:02,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:02,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:32:02,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:32:02,150 INFO L87 Difference]: Start difference. First operand 108 states and 157 transitions. Second operand 5 states. [2021-10-11 00:32:02,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:02,227 INFO L93 Difference]: Finished difference Result 304 states and 455 transitions. [2021-10-11 00:32:02,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:32:02,228 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-10-11 00:32:02,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:02,229 INFO L225 Difference]: With dead ends: 304 [2021-10-11 00:32:02,229 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:32:02,233 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:32:02,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:32:02,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:32:02,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:32:02,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:32:02,235 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-11 00:32:02,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:02,235 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:32:02,235 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:32:02,235 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:32:02,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:32:02,236 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:32:02,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:32:02,465 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-10-11 00:32:02,466 INFO L262 CegarLoopResult]: For program point L102(lines 102 106) no Hoare annotation was computed. [2021-10-11 00:32:02,466 INFO L262 CegarLoopResult]: For program point L102-3(lines 102 106) no Hoare annotation was computed. [2021-10-11 00:32:02,466 INFO L262 CegarLoopResult]: For program point L102-6(lines 102 106) no Hoare annotation was computed. [2021-10-11 00:32:02,466 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:32:02,467 INFO L258 CegarLoopResult]: At program point L912(lines 897 915) the Hoare annotation is: false [2021-10-11 00:32:02,467 INFO L258 CegarLoopResult]: At program point L912-1(lines 897 915) the Hoare annotation is: false [2021-10-11 00:32:02,467 INFO L258 CegarLoopResult]: At program point L912-2(lines 897 915) the Hoare annotation is: false [2021-10-11 00:32:02,467 INFO L262 CegarLoopResult]: For program point L698(lines 698 704) no Hoare annotation was computed. [2021-10-11 00:32:02,467 INFO L258 CegarLoopResult]: At program point L698-1(lines 698 704) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:32:02,468 INFO L258 CegarLoopResult]: At program point L139(lines 134 142) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:32:02,468 INFO L258 CegarLoopResult]: At program point L139-1(lines 134 142) the Hoare annotation is: false [2021-10-11 00:32:02,468 INFO L258 CegarLoopResult]: At program point L139-2(lines 134 142) the Hoare annotation is: false [2021-10-11 00:32:02,469 INFO L262 CegarLoopResult]: For program point L718(lines 718 731) no Hoare annotation was computed. [2021-10-11 00:32:02,469 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:32:02,469 INFO L265 CegarLoopResult]: At program point L306(lines 287 309) the Hoare annotation is: true [2021-10-11 00:32:02,469 INFO L258 CegarLoopResult]: At program point L273(lines 269 275) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:32:02,470 INFO L258 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:32:02,470 INFO L258 CegarLoopResult]: At program point L736(lines 687 737) the Hoare annotation is: false [2021-10-11 00:32:02,470 INFO L258 CegarLoopResult]: At program point L224-2(lines 224 238) the Hoare annotation is: false [2021-10-11 00:32:02,470 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-10-11 00:32:02,470 INFO L262 CegarLoopResult]: For program point L786(lines 786 803) no Hoare annotation was computed. [2021-10-11 00:32:02,471 INFO L262 CegarLoopResult]: For program point L786-1(lines 786 803) no Hoare annotation was computed. [2021-10-11 00:32:02,471 INFO L262 CegarLoopResult]: For program point L786-2(lines 786 803) no Hoare annotation was computed. [2021-10-11 00:32:02,471 INFO L262 CegarLoopResult]: For program point L225(line 225) no Hoare annotation was computed. [2021-10-11 00:32:02,471 INFO L262 CegarLoopResult]: For program point L126(lines 126 130) no Hoare annotation was computed. [2021-10-11 00:32:02,471 INFO L258 CegarLoopResult]: At program point L754(lines 753 772) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:32:02,471 INFO L262 CegarLoopResult]: For program point L754-1(lines 754 760) no Hoare annotation was computed. [2021-10-11 00:32:02,472 INFO L258 CegarLoopResult]: At program point L754-2(lines 753 772) the Hoare annotation is: false [2021-10-11 00:32:02,473 INFO L258 CegarLoopResult]: At program point L754-3(lines 753 772) the Hoare annotation is: false [2021-10-11 00:32:02,473 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:32:02,476 INFO L262 CegarLoopResult]: For program point L920(lines 920 926) no Hoare annotation was computed. [2021-10-11 00:32:02,476 INFO L258 CegarLoopResult]: At program point L920-1(lines 920 926) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:32:02,477 INFO L262 CegarLoopResult]: For program point L689(lines 688 735) no Hoare annotation was computed. [2021-10-11 00:32:02,477 INFO L262 CegarLoopResult]: For program point L194(lines 194 207) no Hoare annotation was computed. [2021-10-11 00:32:02,478 INFO L258 CegarLoopResult]: At program point L194-1(lines 1 930) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:32:02,478 INFO L262 CegarLoopResult]: For program point L194-2(lines 194 207) no Hoare annotation was computed. [2021-10-11 00:32:02,479 INFO L258 CegarLoopResult]: At program point L194-3(lines 1 930) the Hoare annotation is: false [2021-10-11 00:32:02,479 INFO L262 CegarLoopResult]: For program point L194-4(lines 194 207) no Hoare annotation was computed. [2021-10-11 00:32:02,480 INFO L258 CegarLoopResult]: At program point L194-5(lines 1 930) the Hoare annotation is: false [2021-10-11 00:32:02,480 INFO L262 CegarLoopResult]: For program point L690(lines 690 694) no Hoare annotation was computed. [2021-10-11 00:32:02,481 INFO L262 CegarLoopResult]: For program point L228(lines 228 232) no Hoare annotation was computed. [2021-10-11 00:32:02,481 INFO L262 CegarLoopResult]: For program point L228-1(lines 754 760) no Hoare annotation was computed. [2021-10-11 00:32:02,486 INFO L262 CegarLoopResult]: For program point L790(lines 790 798) no Hoare annotation was computed. [2021-10-11 00:32:02,487 INFO L262 CegarLoopResult]: For program point L790-1(lines 790 798) no Hoare annotation was computed. [2021-10-11 00:32:02,487 INFO L262 CegarLoopResult]: For program point L724(lines 724 730) no Hoare annotation was computed. [2021-10-11 00:32:02,487 INFO L262 CegarLoopResult]: For program point L790-2(lines 790 798) no Hoare annotation was computed. [2021-10-11 00:32:02,487 INFO L258 CegarLoopResult]: At program point L724-1(lines 754 760) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:32:02,487 INFO L262 CegarLoopResult]: For program point L906(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:32:02,487 INFO L262 CegarLoopResult]: For program point L906-2(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:32:02,488 INFO L262 CegarLoopResult]: For program point L906-3(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:32:02,488 INFO L262 CegarLoopResult]: For program point L906-5(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:32:02,488 INFO L262 CegarLoopResult]: For program point L708(lines 708 714) no Hoare annotation was computed. [2021-10-11 00:32:02,488 INFO L262 CegarLoopResult]: For program point L906-6(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:32:02,488 INFO L258 CegarLoopResult]: At program point L708-1(lines 708 714) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:32:02,488 INFO L262 CegarLoopResult]: For program point L906-8(lines 906 910) no Hoare annotation was computed. [2021-10-11 00:32:02,489 INFO L258 CegarLoopResult]: At program point L857(lines 852 860) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:32:02,489 INFO L258 CegarLoopResult]: At program point L857-1(lines 852 860) the Hoare annotation is: false [2021-10-11 00:32:02,489 INFO L258 CegarLoopResult]: At program point L857-2(lines 852 860) the Hoare annotation is: false [2021-10-11 00:32:02,489 INFO L258 CegarLoopResult]: At program point L180(lines 175 183) the Hoare annotation is: false [2021-10-11 00:32:02,489 INFO L258 CegarLoopResult]: At program point L180-1(lines 175 183) the Hoare annotation is: false [2021-10-11 00:32:02,490 INFO L262 CegarLoopResult]: For program point L114(lines 114 118) no Hoare annotation was computed. [2021-10-11 00:32:02,490 INFO L258 CegarLoopResult]: At program point L180-2(lines 175 183) the Hoare annotation is: false [2021-10-11 00:32:02,490 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:32:02,490 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-10-11 00:32:02,490 INFO L262 CegarLoopResult]: For program point L297(lines 297 304) no Hoare annotation was computed. [2021-10-11 00:32:02,490 INFO L265 CegarLoopResult]: At program point L297-1(lines 297 304) the Hoare annotation is: true [2021-10-11 00:32:02,491 INFO L262 CegarLoopResult]: For program point L198(lines 198 204) no Hoare annotation was computed. [2021-10-11 00:32:02,492 INFO L262 CegarLoopResult]: For program point L198-2(lines 198 204) no Hoare annotation was computed. [2021-10-11 00:32:02,492 INFO L262 CegarLoopResult]: For program point L198-4(lines 198 204) no Hoare annotation was computed. [2021-10-11 00:32:02,493 INFO L258 CegarLoopResult]: At program point L67(lines 1 930) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:32:02,494 INFO L258 CegarLoopResult]: At program point L761(lines 761 767) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:32:02,494 INFO L258 CegarLoopResult]: At program point L761-1(lines 761 767) the Hoare annotation is: false [2021-10-11 00:32:02,494 INFO L258 CegarLoopResult]: At program point L761-2(lines 761 767) the Hoare annotation is: false [2021-10-11 00:32:02,494 INFO L262 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2021-10-11 00:32:02,494 INFO L262 CegarLoopResult]: For program point L84-1(line 84) no Hoare annotation was computed. [2021-10-11 00:32:02,495 INFO L262 CegarLoopResult]: For program point L84-2(line 84) no Hoare annotation was computed. [2021-10-11 00:32:02,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:32:02 BoogieIcfgContainer [2021-10-11 00:32:02,522 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:32:02,522 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:32:02,523 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:32:02,523 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:32:02,523 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:00" (3/4) ... [2021-10-11 00:32:02,527 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:32:02,550 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:32:02,551 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:32:02,552 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:32:02,552 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:32:02,553 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:32:02,554 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:32:02,554 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:32:02,588 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2021-10-11 00:32:02,667 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe66666f-28e5-424b-9398-b26172c3c3ed/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:32:02,667 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:32:02,670 INFO L168 Benchmark]: Toolchain (without parser) took 3302.32 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 75.0 MB in the beginning and 82.4 MB in the end (delta: -7.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:02,670 INFO L168 Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 111.1 MB. Free memory was 85.1 MB in the beginning and 85.1 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:32:02,671 INFO L168 Benchmark]: CACSL2BoogieTranslator took 519.73 ms. Allocated memory is still 111.1 MB. Free memory was 74.8 MB in the beginning and 75.9 MB in the end (delta: -1.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:02,672 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.09 ms. Allocated memory is still 111.1 MB. Free memory was 75.9 MB in the beginning and 73.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:02,672 INFO L168 Benchmark]: Boogie Preprocessor took 52.69 ms. Allocated memory is still 111.1 MB. Free memory was 73.2 MB in the beginning and 71.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:02,673 INFO L168 Benchmark]: RCFGBuilder took 833.27 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 70.6 MB in the beginning and 91.4 MB in the end (delta: -20.8 MB). Peak memory consumption was 42.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:02,673 INFO L168 Benchmark]: TraceAbstraction took 1649.90 ms. Allocated memory is still 134.2 MB. Free memory was 90.3 MB in the beginning and 88.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:02,674 INFO L168 Benchmark]: Witness Printer took 145.20 ms. Allocated memory is still 134.2 MB. Free memory was 88.7 MB in the beginning and 82.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:02,676 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 ms. Allocated memory is still 111.1 MB. Free memory was 85.1 MB in the beginning and 85.1 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 519.73 ms. Allocated memory is still 111.1 MB. Free memory was 74.8 MB in the beginning and 75.9 MB in the end (delta: -1.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 92.09 ms. Allocated memory is still 111.1 MB. Free memory was 75.9 MB in the beginning and 73.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.69 ms. Allocated memory is still 111.1 MB. Free memory was 73.2 MB in the beginning and 71.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 833.27 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 70.6 MB in the beginning and 91.4 MB in the end (delta: -20.8 MB). Peak memory consumption was 42.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1649.90 ms. Allocated memory is still 134.2 MB. Free memory was 90.3 MB in the beginning and 88.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 16.1 GB. * Witness Printer took 145.20 ms. Allocated memory is still 134.2 MB. Free memory was 88.7 MB in the beginning and 82.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 84]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 84]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 84]: 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: 698]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 333 SDtfs, 340 SDslu, 334 SDs, 0 SdLazy, 47 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 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, 5 MinimizatonAttempts, 140 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 2679 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4477 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...