./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 9321d4f4887cbb50dca95fc8fc7e71e80327248f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 23:03:59,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:03:59,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:03:59,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:03:59,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:03:59,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:03:59,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:03:59,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:03:59,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:03:59,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:03:59,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:03:59,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:03:59,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:03:59,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:03:59,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:03:59,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:03:59,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:03:59,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:03:59,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:03:59,931 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:03:59,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:03:59,938 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:03:59,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:03:59,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:03:59,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:03:59,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:03:59,955 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:03:59,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:03:59,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:03:59,960 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:03:59,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:03:59,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:03:59,963 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:03:59,965 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:03:59,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:03:59,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:03:59,967 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:03:59,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:03:59,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:03:59,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:03:59,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:03:59,977 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:04:00,039 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:04:00,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:04:00,041 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:04:00,043 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:04:00,043 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:04:00,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:04:00,044 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:04:00,044 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:04:00,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:04:00,045 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:04:00,046 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:04:00,046 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:04:00,046 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:04:00,047 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:04:00,047 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:04:00,047 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:04:00,047 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:04:00,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:04:00,048 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:04:00,048 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:04:00,048 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:04:00,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:04:00,049 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:04:00,049 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:04:00,049 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:04:00,050 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:04:00,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:04:00,050 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:04:00,050 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:04:00,051 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9321d4f4887cbb50dca95fc8fc7e71e80327248f [2020-10-25 23:04:00,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:04:00,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:04:00,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:04:00,494 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:04:00,497 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:04:00,499 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c [2020-10-25 23:04:00,602 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad9a5ecf6/ddfb42ca08154aafa818b31a4856d13a/FLAG608c1af3d [2020-10-25 23:04:01,403 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:04:01,404 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c [2020-10-25 23:04:01,420 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad9a5ecf6/ddfb42ca08154aafa818b31a4856d13a/FLAG608c1af3d [2020-10-25 23:04:01,739 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad9a5ecf6/ddfb42ca08154aafa818b31a4856d13a [2020-10-25 23:04:01,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:04:01,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:04:01,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:04:01,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:04:01,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:04:01,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:04:01" (1/1) ... [2020-10-25 23:04:01,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af36053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:01, skipping insertion in model container [2020-10-25 23:04:01,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:04:01" (1/1) ... [2020-10-25 23:04:01,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:04:01,904 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:04:02,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:04:02,224 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:04:02,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:04:02,356 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:04:02,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:02 WrapperNode [2020-10-25 23:04:02,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:04:02,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:04:02,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:04:02,359 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:04:02,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:02" (1/1) ... [2020-10-25 23:04:02,389 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:02" (1/1) ... [2020-10-25 23:04:02,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:04:02,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:04:02,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:04:02,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:04:02,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:02" (1/1) ... [2020-10-25 23:04:02,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:02" (1/1) ... [2020-10-25 23:04:02,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:02" (1/1) ... [2020-10-25 23:04:02,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:02" (1/1) ... [2020-10-25 23:04:02,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:02" (1/1) ... [2020-10-25 23:04:02,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:02" (1/1) ... [2020-10-25 23:04:02,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:02" (1/1) ... [2020-10-25 23:04:02,501 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:04:02,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:04:02,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:04:02,506 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:04:02,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-25 23:04:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:04:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:04:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:04:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:04:03,466 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:04:03,467 INFO L298 CfgBuilder]: Removed 74 assume(true) statements. [2020-10-25 23:04:03,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:04:03 BoogieIcfgContainer [2020-10-25 23:04:03,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:04:03,471 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:04:03,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:04:03,476 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:04:03,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:04:01" (1/3) ... [2020-10-25 23:04:03,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62711027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:04:03, skipping insertion in model container [2020-10-25 23:04:03,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:04:02" (2/3) ... [2020-10-25 23:04:03,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62711027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:04:03, skipping insertion in model container [2020-10-25 23:04:03,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:04:03" (3/3) ... [2020-10-25 23:04:03,480 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product10.cil.c [2020-10-25 23:04:03,495 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:04:03,501 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:04:03,516 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:04:03,545 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:04:03,545 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:04:03,546 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:04:03,546 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:04:03,546 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:04:03,546 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:04:03,546 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:04:03,546 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:04:03,563 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2020-10-25 23:04:03,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-25 23:04:03,571 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:03,572 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:04:03,572 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:03,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:03,579 INFO L82 PathProgramCache]: Analyzing trace with hash 436617332, now seen corresponding path program 1 times [2020-10-25 23:04:03,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:03,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270805258] [2020-10-25 23:04:03,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:03,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:04:03,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270805258] [2020-10-25 23:04:03,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:03,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:04:03,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449791689] [2020-10-25 23:04:03,882 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:04:03,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:03,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:04:03,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:04:03,902 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2020-10-25 23:04:03,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:03,931 INFO L93 Difference]: Finished difference Result 111 states and 164 transitions. [2020-10-25 23:04:03,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:04:03,933 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-25 23:04:03,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:03,944 INFO L225 Difference]: With dead ends: 111 [2020-10-25 23:04:03,944 INFO L226 Difference]: Without dead ends: 53 [2020-10-25 23:04:03,948 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 [2020-10-25 23:04:03,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-25 23:04:03,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-10-25 23:04:03,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-25 23:04:03,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2020-10-25 23:04:03,994 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2020-10-25 23:04:03,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:03,994 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2020-10-25 23:04:03,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:04:03,995 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2020-10-25 23:04:03,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-25 23:04:03,996 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:03,996 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:04:03,996 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:04:03,996 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:03,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:03,998 INFO L82 PathProgramCache]: Analyzing trace with hash -610139565, now seen corresponding path program 1 times [2020-10-25 23:04:03,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:03,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300519388] [2020-10-25 23:04:03,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:04,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:04:04,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300519388] [2020-10-25 23:04:04,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:04,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:04:04,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302103824] [2020-10-25 23:04:04,149 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:04:04,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:04,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:04:04,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:04:04,151 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 3 states. [2020-10-25 23:04:04,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:04,172 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2020-10-25 23:04:04,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:04:04,174 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-25 23:04:04,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:04,176 INFO L225 Difference]: With dead ends: 53 [2020-10-25 23:04:04,176 INFO L226 Difference]: Without dead ends: 27 [2020-10-25 23:04:04,178 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 [2020-10-25 23:04:04,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-25 23:04:04,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-10-25 23:04:04,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-25 23:04:04,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2020-10-25 23:04:04,185 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2020-10-25 23:04:04,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:04,187 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2020-10-25 23:04:04,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:04:04,187 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-10-25 23:04:04,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-25 23:04:04,190 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:04,190 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] [2020-10-25 23:04:04,191 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:04:04,192 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:04,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:04,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1992386864, now seen corresponding path program 1 times [2020-10-25 23:04:04,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:04,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106007301] [2020-10-25 23:04:04,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:04,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:04:04,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106007301] [2020-10-25 23:04:04,363 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:04,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:04:04,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485552231] [2020-10-25 23:04:04,363 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:04:04,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:04,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:04:04,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:04:04,365 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 5 states. [2020-10-25 23:04:04,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:04,473 INFO L93 Difference]: Finished difference Result 109 states and 167 transitions. [2020-10-25 23:04:04,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:04:04,474 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-25 23:04:04,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:04,475 INFO L225 Difference]: With dead ends: 109 [2020-10-25 23:04:04,475 INFO L226 Difference]: Without dead ends: 88 [2020-10-25 23:04:04,476 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 [2020-10-25 23:04:04,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-10-25 23:04:04,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 44. [2020-10-25 23:04:04,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-25 23:04:04,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 62 transitions. [2020-10-25 23:04:04,489 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 62 transitions. Word has length 22 [2020-10-25 23:04:04,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:04,489 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 62 transitions. [2020-10-25 23:04:04,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:04:04,489 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2020-10-25 23:04:04,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-25 23:04:04,492 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:04:04,492 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] [2020-10-25 23:04:04,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:04:04,492 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:04:04,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:04:04,496 INFO L82 PathProgramCache]: Analyzing trace with hash 703007878, now seen corresponding path program 1 times [2020-10-25 23:04:04,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:04:04,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007321468] [2020-10-25 23:04:04,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:04:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:04:04,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:04:04,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007321468] [2020-10-25 23:04:04,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:04:04,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:04:04,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951281220] [2020-10-25 23:04:04,638 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:04:04,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:04:04,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:04:04,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:04:04,645 INFO L87 Difference]: Start difference. First operand 44 states and 62 transitions. Second operand 5 states. [2020-10-25 23:04:04,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:04:04,752 INFO L93 Difference]: Finished difference Result 130 states and 193 transitions. [2020-10-25 23:04:04,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:04:04,753 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-25 23:04:04,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:04:04,753 INFO L225 Difference]: With dead ends: 130 [2020-10-25 23:04:04,753 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:04:04,755 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 [2020-10-25 23:04:04,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:04:04,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:04:04,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:04:04,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:04:04,761 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-10-25 23:04:04,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:04:04,761 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:04:04,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:04:04,762 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:04:04,762 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:04:04,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:04:04,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:04:04,984 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:04:04,984 INFO L274 CegarLoopResult]: For program point L151(lines 150 197) no Hoare annotation was computed. [2020-10-25 23:04:04,984 INFO L270 CegarLoopResult]: At program point L267(lines 263 269) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:04:04,985 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:04:04,985 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:04:04,985 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:04:04,985 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:04:04,985 INFO L274 CegarLoopResult]: For program point L152(lines 152 156) no Hoare annotation was computed. [2020-10-25 23:04:04,985 INFO L270 CegarLoopResult]: At program point L218-2(lines 218 232) the Hoare annotation is: false [2020-10-25 23:04:04,985 INFO L274 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-10-25 23:04:04,986 INFO L274 CegarLoopResult]: For program point L87(lines 87 91) no Hoare annotation was computed. [2020-10-25 23:04:04,986 INFO L277 CegarLoopResult]: At program point L302(lines 283 305) the Hoare annotation is: true [2020-10-25 23:04:04,986 INFO L274 CegarLoopResult]: For program point L170(lines 170 176) no Hoare annotation was computed. [2020-10-25 23:04:04,987 INFO L270 CegarLoopResult]: At program point L170-1(lines 170 176) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:04:04,987 INFO L274 CegarLoopResult]: For program point L188(lines 188 192) no Hoare annotation was computed. [2020-10-25 23:04:04,987 INFO L270 CegarLoopResult]: At program point L188-2(lines 684 690) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:04:04,987 INFO L270 CegarLoopResult]: At program point L684(lines 683 702) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:04:04,988 INFO L274 CegarLoopResult]: For program point L684-1(lines 684 690) no Hoare annotation was computed. [2020-10-25 23:04:04,988 INFO L270 CegarLoopResult]: At program point L684-2(lines 683 702) the Hoare annotation is: false [2020-10-25 23:04:04,988 INFO L270 CegarLoopResult]: At program point L684-3(lines 683 702) the Hoare annotation is: false [2020-10-25 23:04:04,988 INFO L270 CegarLoopResult]: At program point L866(lines 861 869) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:04:04,989 INFO L274 CegarLoopResult]: For program point L222(lines 222 226) no Hoare annotation was computed. [2020-10-25 23:04:04,989 INFO L274 CegarLoopResult]: For program point L222-1(lines 684 690) no Hoare annotation was computed. [2020-10-25 23:04:04,989 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:04:04,989 INFO L274 CegarLoopResult]: For program point L818(lines 818 831) no Hoare annotation was computed. [2020-10-25 23:04:04,989 INFO L270 CegarLoopResult]: At program point L818-1(lines 1 869) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:04:04,990 INFO L274 CegarLoopResult]: For program point L818-2(lines 818 831) no Hoare annotation was computed. [2020-10-25 23:04:04,990 INFO L270 CegarLoopResult]: At program point L818-3(lines 1 869) the Hoare annotation is: false [2020-10-25 23:04:04,990 INFO L274 CegarLoopResult]: For program point L818-4(lines 818 831) no Hoare annotation was computed. [2020-10-25 23:04:04,990 INFO L270 CegarLoopResult]: At program point L818-5(lines 1 869) the Hoare annotation is: false [2020-10-25 23:04:04,990 INFO L274 CegarLoopResult]: For program point L75(lines 75 79) no Hoare annotation was computed. [2020-10-25 23:04:04,991 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:04:04,991 INFO L274 CegarLoopResult]: For program point L160(lines 160 166) no Hoare annotation was computed. [2020-10-25 23:04:04,991 INFO L270 CegarLoopResult]: At program point L160-1(lines 160 166) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:04:04,991 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:04:04,992 INFO L274 CegarLoopResult]: For program point L293(lines 293 300) no Hoare annotation was computed. [2020-10-25 23:04:04,992 INFO L277 CegarLoopResult]: At program point L293-1(lines 293 300) the Hoare annotation is: true [2020-10-25 23:04:04,992 INFO L274 CegarLoopResult]: For program point L822(lines 822 828) no Hoare annotation was computed. [2020-10-25 23:04:04,992 INFO L274 CegarLoopResult]: For program point L822-2(lines 822 828) no Hoare annotation was computed. [2020-10-25 23:04:04,992 INFO L274 CegarLoopResult]: For program point L822-4(lines 822 828) no Hoare annotation was computed. [2020-10-25 23:04:04,993 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-25 23:04:04,993 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-10-25 23:04:04,993 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-10-25 23:04:04,993 INFO L274 CegarLoopResult]: For program point L63(lines 63 67) no Hoare annotation was computed. [2020-10-25 23:04:04,993 INFO L274 CegarLoopResult]: For program point L63-3(lines 63 67) no Hoare annotation was computed. [2020-10-25 23:04:04,994 INFO L274 CegarLoopResult]: For program point L63-6(lines 63 67) no Hoare annotation was computed. [2020-10-25 23:04:04,994 INFO L270 CegarLoopResult]: At program point L691(lines 691 697) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:04:04,994 INFO L270 CegarLoopResult]: At program point L691-1(lines 691 697) the Hoare annotation is: false [2020-10-25 23:04:04,994 INFO L270 CegarLoopResult]: At program point L691-2(lines 691 697) the Hoare annotation is: false [2020-10-25 23:04:04,994 INFO L274 CegarLoopResult]: For program point L180(lines 180 193) no Hoare annotation was computed. [2020-10-25 23:04:04,995 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:04:04,995 INFO L270 CegarLoopResult]: At program point L858(lines 1 869) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:04:04,995 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:04:04,995 INFO L270 CegarLoopResult]: At program point L198(lines 149 199) the Hoare annotation is: false [2020-10-25 23:04:04,996 INFO L270 CegarLoopResult]: At program point L100(lines 95 103) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:04:04,996 INFO L270 CegarLoopResult]: At program point L100-1(lines 95 103) the Hoare annotation is: false [2020-10-25 23:04:04,996 INFO L270 CegarLoopResult]: At program point L100-2(lines 95 103) the Hoare annotation is: false [2020-10-25 23:04:04,996 INFO L270 CegarLoopResult]: At program point L761(lines 756 764) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:04:04,997 INFO L270 CegarLoopResult]: At program point L761-1(lines 756 764) the Hoare annotation is: false [2020-10-25 23:04:04,997 INFO L270 CegarLoopResult]: At program point L761-2(lines 756 764) the Hoare annotation is: false [2020-10-25 23:04:05,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:04:05 BoogieIcfgContainer [2020-10-25 23:04:05,018 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:04:05,018 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:04:05,019 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:04:05,019 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:04:05,020 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:04:03" (3/4) ... [2020-10-25 23:04:05,024 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:04:05,041 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:04:05,042 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:04:05,043 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:04:05,043 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:04:05,044 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:04:05,045 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:04:05,045 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:04:05,077 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:04:05,134 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:04:05,135 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:04:05,137 INFO L168 Benchmark]: Toolchain (without parser) took 3387.40 ms. Allocated memory was 48.2 MB in the beginning and 71.3 MB in the end (delta: 23.1 MB). Free memory was 24.6 MB in the beginning and 36.2 MB in the end (delta: -11.6 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:05,138 INFO L168 Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 37.7 MB. Free memory is still 22.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:04:05,139 INFO L168 Benchmark]: CACSL2BoogieTranslator took 599.41 ms. Allocated memory is still 48.2 MB. Free memory was 23.9 MB in the beginning and 26.2 MB in the end (delta: -2.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:05,139 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.36 ms. Allocated memory is still 48.2 MB. Free memory was 26.0 MB in the beginning and 23.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:05,140 INFO L168 Benchmark]: Boogie Preprocessor took 71.32 ms. Allocated memory is still 48.2 MB. Free memory was 23.5 MB in the beginning and 21.6 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:04:05,141 INFO L168 Benchmark]: RCFGBuilder took 963.56 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 21.6 MB in the beginning and 30.3 MB in the end (delta: -8.7 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:05,141 INFO L168 Benchmark]: TraceAbstraction took 1546.48 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 29.6 MB in the beginning and 41.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:05,142 INFO L168 Benchmark]: Witness Printer took 116.46 ms. Allocated memory is still 71.3 MB. Free memory was 41.6 MB in the beginning and 36.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:04:05,145 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 37.7 MB. Free memory is still 22.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 599.41 ms. Allocated memory is still 48.2 MB. Free memory was 23.9 MB in the beginning and 26.2 MB in the end (delta: -2.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.36 ms. Allocated memory is still 48.2 MB. Free memory was 26.0 MB in the beginning and 23.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.32 ms. Allocated memory is still 48.2 MB. Free memory was 23.5 MB in the beginning and 21.6 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 963.56 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 21.6 MB in the beginning and 30.3 MB in the end (delta: -8.7 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1546.48 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 29.6 MB in the beginning and 41.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. * Witness Printer took 116.46 ms. Allocated memory is still 71.3 MB. Free memory was 41.6 MB in the beginning and 36.2 MB in the end (delta: 5.4 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: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 684]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 217 SDtfs, 214 SDslu, 219 SDs, 0 SdLazy, 33 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, 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, 4 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 66 NumberOfFragments, 94 HoareAnnotationTreeSize, 25 FomulaSimplifications, 1010 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 3150 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...