./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4c22a711-7104-4288-8204-7274666e4197/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4c22a711-7104-4288-8204-7274666e4197/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4c22a711-7104-4288-8204-7274666e4197/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4c22a711-7104-4288-8204-7274666e4197/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4c22a711-7104-4288-8204-7274666e4197/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4c22a711-7104-4288-8204-7274666e4197/bin/uautomizer --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 656a2bbc2fdeac83f3dcc893b23dff27702d34ec ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:57:29,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:57:29,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:57:29,494 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:57:29,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:57:29,500 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:57:29,503 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:57:29,507 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:57:29,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:57:29,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:57:29,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:57:29,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:57:29,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:57:29,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:57:29,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:57:29,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:57:29,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:57:29,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:57:29,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:57:29,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:57:29,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:57:29,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:57:29,559 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:57:29,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:57:29,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:57:29,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:57:29,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:57:29,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:57:29,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:57:29,574 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:57:29,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:57:29,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:57:29,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:57:29,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:57:29,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:57:29,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:57:29,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:57:29,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:57:29,583 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:57:29,584 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:57:29,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:57:29,587 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4c22a711-7104-4288-8204-7274666e4197/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 02:57:29,625 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:57:29,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:57:29,627 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:57:29,627 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:57:29,627 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:57:29,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:57:29,628 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:57:29,628 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:57:29,628 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:57:29,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:57:29,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:57:29,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:57:29,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:57:29,630 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:57:29,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:57:29,631 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:57:29,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:57:29,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:57:29,632 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:57:29,632 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:57:29,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:57:29,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:57:29,633 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:57:29,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:57:29,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:57:29,633 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:57:29,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:57:29,634 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:57:29,634 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:57:29,634 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-vcloud-master/worker/run_dir_4c22a711-7104-4288-8204-7274666e4197/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4c22a711-7104-4288-8204-7274666e4197/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 656a2bbc2fdeac83f3dcc893b23dff27702d34ec [2020-11-28 02:57:29,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:57:29,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:57:29,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:57:29,965 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:57:29,966 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:57:29,967 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4c22a711-7104-4288-8204-7274666e4197/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2020-11-28 02:57:30,041 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4c22a711-7104-4288-8204-7274666e4197/bin/uautomizer/data/36d2fc3cb/de6d7d99e58146f1b1c577d2955956aa/FLAGbdad071ab [2020-11-28 02:57:30,739 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:57:30,740 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4c22a711-7104-4288-8204-7274666e4197/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2020-11-28 02:57:30,752 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4c22a711-7104-4288-8204-7274666e4197/bin/uautomizer/data/36d2fc3cb/de6d7d99e58146f1b1c577d2955956aa/FLAGbdad071ab [2020-11-28 02:57:30,997 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4c22a711-7104-4288-8204-7274666e4197/bin/uautomizer/data/36d2fc3cb/de6d7d99e58146f1b1c577d2955956aa [2020-11-28 02:57:31,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:57:31,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:57:31,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:57:31,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:57:31,006 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:57:31,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:30" (1/1) ... [2020-11-28 02:57:31,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18170a77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:31, skipping insertion in model container [2020-11-28 02:57:31,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:30" (1/1) ... [2020-11-28 02:57:31,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:57:31,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:57:31,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:57:31,383 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:57:31,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:57:31,520 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:57:31,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:31 WrapperNode [2020-11-28 02:57:31,521 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:57:31,524 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:57:31,524 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:57:31,524 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:57:31,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:31" (1/1) ... [2020-11-28 02:57:31,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:31" (1/1) ... [2020-11-28 02:57:31,625 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:57:31,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:57:31,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:57:31,628 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:57:31,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:31" (1/1) ... [2020-11-28 02:57:31,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:31" (1/1) ... [2020-11-28 02:57:31,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:31" (1/1) ... [2020-11-28 02:57:31,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:31" (1/1) ... [2020-11-28 02:57:31,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:31" (1/1) ... [2020-11-28 02:57:31,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:31" (1/1) ... [2020-11-28 02:57:31,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:31" (1/1) ... [2020-11-28 02:57:31,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:57:31,704 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:57:31,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:57:31,705 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:57:31,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c22a711-7104-4288-8204-7274666e4197/bin/uautomizer/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 [2020-11-28 02:57:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:57:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:57:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:57:31,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:57:32,851 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:57:32,851 INFO L298 CfgBuilder]: Removed 108 assume(true) statements. [2020-11-28 02:57:32,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:32 BoogieIcfgContainer [2020-11-28 02:57:32,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:57:32,855 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:57:32,856 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:57:32,859 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:57:32,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:57:30" (1/3) ... [2020-11-28 02:57:32,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6100a36e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:57:32, skipping insertion in model container [2020-11-28 02:57:32,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:31" (2/3) ... [2020-11-28 02:57:32,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6100a36e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:57:32, skipping insertion in model container [2020-11-28 02:57:32,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:32" (3/3) ... [2020-11-28 02:57:32,863 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product19.cil.c [2020-11-28 02:57:32,873 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:57:32,877 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 02:57:32,892 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 02:57:32,932 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:57:32,933 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:57:32,933 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:57:32,933 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:57:32,933 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:57:32,933 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:57:32,934 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:57:32,934 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:57:32,951 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2020-11-28 02:57:32,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 02:57:32,957 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:32,958 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:57:32,958 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:32,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:32,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1590673276, now seen corresponding path program 1 times [2020-11-28 02:57:32,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:32,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742327928] [2020-11-28 02:57:32,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:33,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:33,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:33,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742327928] [2020-11-28 02:57:33,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:33,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:57:33,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509193164] [2020-11-28 02:57:33,217 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 02:57:33,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:33,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 02:57:33,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 02:57:33,237 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 2 states. [2020-11-28 02:57:33,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:33,282 INFO L93 Difference]: Finished difference Result 158 states and 237 transitions. [2020-11-28 02:57:33,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 02:57:33,283 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-28 02:57:33,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:33,295 INFO L225 Difference]: With dead ends: 158 [2020-11-28 02:57:33,296 INFO L226 Difference]: Without dead ends: 77 [2020-11-28 02:57:33,308 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 [2020-11-28 02:57:33,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-11-28 02:57:33,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2020-11-28 02:57:33,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-11-28 02:57:33,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2020-11-28 02:57:33,357 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 18 [2020-11-28 02:57:33,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:33,357 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2020-11-28 02:57:33,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 02:57:33,358 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2020-11-28 02:57:33,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 02:57:33,359 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:33,359 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:57:33,359 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:57:33,359 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:33,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:33,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1809509245, now seen corresponding path program 1 times [2020-11-28 02:57:33,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:33,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697021630] [2020-11-28 02:57:33,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:33,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:33,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697021630] [2020-11-28 02:57:33,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:33,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:57:33,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476977138] [2020-11-28 02:57:33,473 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:57:33,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:33,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:57:33,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:33,475 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand 3 states. [2020-11-28 02:57:33,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:33,495 INFO L93 Difference]: Finished difference Result 77 states and 109 transitions. [2020-11-28 02:57:33,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:57:33,498 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-28 02:57:33,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:33,500 INFO L225 Difference]: With dead ends: 77 [2020-11-28 02:57:33,500 INFO L226 Difference]: Without dead ends: 37 [2020-11-28 02:57:33,502 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 [2020-11-28 02:57:33,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-11-28 02:57:33,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-11-28 02:57:33,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-11-28 02:57:33,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2020-11-28 02:57:33,510 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2020-11-28 02:57:33,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:33,510 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2020-11-28 02:57:33,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:57:33,511 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2020-11-28 02:57:33,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 02:57:33,512 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:33,512 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] [2020-11-28 02:57:33,512 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:57:33,512 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:33,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:33,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1808533439, now seen corresponding path program 1 times [2020-11-28 02:57:33,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:33,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432484690] [2020-11-28 02:57:33,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:33,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:33,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432484690] [2020-11-28 02:57:33,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:33,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:57:33,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180792517] [2020-11-28 02:57:33,665 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:57:33,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:33,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:57:33,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:33,667 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 3 states. [2020-11-28 02:57:33,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:33,697 INFO L93 Difference]: Finished difference Result 97 states and 142 transitions. [2020-11-28 02:57:33,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:57:33,697 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-28 02:57:33,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:33,699 INFO L225 Difference]: With dead ends: 97 [2020-11-28 02:57:33,699 INFO L226 Difference]: Without dead ends: 67 [2020-11-28 02:57:33,705 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 [2020-11-28 02:57:33,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-11-28 02:57:33,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2020-11-28 02:57:33,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-11-28 02:57:33,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 92 transitions. [2020-11-28 02:57:33,714 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 92 transitions. Word has length 24 [2020-11-28 02:57:33,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:33,714 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 92 transitions. [2020-11-28 02:57:33,714 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:57:33,714 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2020-11-28 02:57:33,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 02:57:33,715 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:33,716 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:57:33,716 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 02:57:33,716 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:33,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:33,720 INFO L82 PathProgramCache]: Analyzing trace with hash -71070855, now seen corresponding path program 1 times [2020-11-28 02:57:33,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:33,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801436860] [2020-11-28 02:57:33,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:33,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:33,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801436860] [2020-11-28 02:57:33,830 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:33,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:57:33,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575385725] [2020-11-28 02:57:33,831 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:57:33,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:33,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:57:33,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:57:33,832 INFO L87 Difference]: Start difference. First operand 63 states and 92 transitions. Second operand 5 states. [2020-11-28 02:57:33,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:33,954 INFO L93 Difference]: Finished difference Result 303 states and 463 transitions. [2020-11-28 02:57:33,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 02:57:33,954 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-28 02:57:33,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:33,959 INFO L225 Difference]: With dead ends: 303 [2020-11-28 02:57:33,959 INFO L226 Difference]: Without dead ends: 247 [2020-11-28 02:57:33,962 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 [2020-11-28 02:57:33,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2020-11-28 02:57:33,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 111. [2020-11-28 02:57:33,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-11-28 02:57:33,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 162 transitions. [2020-11-28 02:57:33,991 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 162 transitions. Word has length 25 [2020-11-28 02:57:33,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:33,991 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 162 transitions. [2020-11-28 02:57:33,991 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:57:33,991 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 162 transitions. [2020-11-28 02:57:33,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 02:57:33,997 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:33,998 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:57:33,998 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 02:57:33,998 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:33,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:33,999 INFO L82 PathProgramCache]: Analyzing trace with hash 34699249, now seen corresponding path program 1 times [2020-11-28 02:57:33,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:33,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269985409] [2020-11-28 02:57:34,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:34,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:34,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269985409] [2020-11-28 02:57:34,157 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:34,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:57:34,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281277848] [2020-11-28 02:57:34,158 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:57:34,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:34,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:57:34,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:57:34,159 INFO L87 Difference]: Start difference. First operand 111 states and 162 transitions. Second operand 5 states. [2020-11-28 02:57:34,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:34,236 INFO L93 Difference]: Finished difference Result 307 states and 460 transitions. [2020-11-28 02:57:34,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 02:57:34,237 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-11-28 02:57:34,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:34,241 INFO L225 Difference]: With dead ends: 307 [2020-11-28 02:57:34,241 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 02:57:34,243 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 [2020-11-28 02:57:34,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 02:57:34,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 02:57:34,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 02:57:34,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 02:57:34,244 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-11-28 02:57:34,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:34,244 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:57:34,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:57:34,244 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:57:34,244 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 02:57:34,245 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 02:57:34,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 02:57:34,506 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:57:34,506 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 02:57:34,506 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 02:57:34,506 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 02:57:34,506 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 02:57:34,507 INFO L270 CegarLoopResult]: At program point L467(lines 462 470) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:57:34,507 INFO L270 CegarLoopResult]: At program point L467-1(lines 462 470) the Hoare annotation is: false [2020-11-28 02:57:34,507 INFO L270 CegarLoopResult]: At program point L467-2(lines 462 470) the Hoare annotation is: false [2020-11-28 02:57:34,507 INFO L274 CegarLoopResult]: For program point L847(lines 847 853) no Hoare annotation was computed. [2020-11-28 02:57:34,507 INFO L270 CegarLoopResult]: At program point L847-1(lines 847 853) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:57:34,507 INFO L274 CegarLoopResult]: For program point L699(lines 699 716) no Hoare annotation was computed. [2020-11-28 02:57:34,508 INFO L274 CegarLoopResult]: For program point L699-1(lines 699 716) no Hoare annotation was computed. [2020-11-28 02:57:34,508 INFO L274 CegarLoopResult]: For program point L699-2(lines 699 716) no Hoare annotation was computed. [2020-11-28 02:57:34,508 INFO L274 CegarLoopResult]: For program point L815(lines 815 821) no Hoare annotation was computed. [2020-11-28 02:57:34,508 INFO L270 CegarLoopResult]: At program point L815-1(lines 815 821) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:57:34,508 INFO L270 CegarLoopResult]: At program point L667(lines 666 685) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:57:34,508 INFO L274 CegarLoopResult]: For program point L667-1(lines 667 673) no Hoare annotation was computed. [2020-11-28 02:57:34,508 INFO L270 CegarLoopResult]: At program point L667-2(lines 666 685) the Hoare annotation is: false [2020-11-28 02:57:34,508 INFO L270 CegarLoopResult]: At program point L667-3(lines 666 685) the Hoare annotation is: false [2020-11-28 02:57:34,509 INFO L274 CegarLoopResult]: For program point L635(lines 635 652) no Hoare annotation was computed. [2020-11-28 02:57:34,509 INFO L270 CegarLoopResult]: At program point L635-1(lines 1 927) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:57:34,509 INFO L274 CegarLoopResult]: For program point L635-2(lines 635 652) no Hoare annotation was computed. [2020-11-28 02:57:34,509 INFO L270 CegarLoopResult]: At program point L635-3(lines 1 927) the Hoare annotation is: false [2020-11-28 02:57:34,509 INFO L274 CegarLoopResult]: For program point L635-4(lines 635 652) no Hoare annotation was computed. [2020-11-28 02:57:34,509 INFO L270 CegarLoopResult]: At program point L635-5(lines 1 927) the Hoare annotation is: false [2020-11-28 02:57:34,509 INFO L270 CegarLoopResult]: At program point L916(lines 1 927) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 02:57:34,509 INFO L274 CegarLoopResult]: For program point L454(lines 454 458) no Hoare annotation was computed. [2020-11-28 02:57:34,510 INFO L274 CegarLoopResult]: For program point L867(lines 867 880) no Hoare annotation was computed. [2020-11-28 02:57:34,511 INFO L274 CegarLoopResult]: For program point L801(lines 801 805) no Hoare annotation was computed. [2020-11-28 02:57:34,511 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 02:57:34,512 INFO L274 CegarLoopResult]: For program point L801-2(lines 801 805) no Hoare annotation was computed. [2020-11-28 02:57:34,512 INFO L274 CegarLoopResult]: For program point L801-3(lines 801 805) no Hoare annotation was computed. [2020-11-28 02:57:34,512 INFO L274 CegarLoopResult]: For program point L801-5(lines 801 805) no Hoare annotation was computed. [2020-11-28 02:57:34,512 INFO L274 CegarLoopResult]: For program point L603(lines 603 610) no Hoare annotation was computed. [2020-11-28 02:57:34,512 INFO L274 CegarLoopResult]: For program point L801-6(lines 801 805) no Hoare annotation was computed. [2020-11-28 02:57:34,512 INFO L277 CegarLoopResult]: At program point L603-1(lines 603 610) the Hoare annotation is: true [2020-11-28 02:57:34,512 INFO L274 CegarLoopResult]: For program point L801-8(lines 801 805) no Hoare annotation was computed. [2020-11-28 02:57:34,513 INFO L270 CegarLoopResult]: At program point L752(lines 747 755) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:57:34,513 INFO L270 CegarLoopResult]: At program point L752-1(lines 747 755) the Hoare annotation is: false [2020-11-28 02:57:34,513 INFO L270 CegarLoopResult]: At program point L752-2(lines 747 755) the Hoare annotation is: false [2020-11-28 02:57:34,513 INFO L274 CegarLoopResult]: For program point L703(lines 703 711) no Hoare annotation was computed. [2020-11-28 02:57:34,513 INFO L274 CegarLoopResult]: For program point L703-1(lines 703 711) no Hoare annotation was computed. [2020-11-28 02:57:34,513 INFO L274 CegarLoopResult]: For program point L703-2(lines 703 711) no Hoare annotation was computed. [2020-11-28 02:57:34,513 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:57:34,514 INFO L270 CegarLoopResult]: At program point L885(lines 836 886) the Hoare annotation is: false [2020-11-28 02:57:34,514 INFO L274 CegarLoopResult]: For program point L639(lines 639 649) no Hoare annotation was computed. [2020-11-28 02:57:34,516 INFO L274 CegarLoopResult]: For program point L639-2(lines 639 649) no Hoare annotation was computed. [2020-11-28 02:57:34,516 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 02:57:34,516 INFO L274 CegarLoopResult]: For program point L639-4(lines 639 649) no Hoare annotation was computed. [2020-11-28 02:57:34,516 INFO L274 CegarLoopResult]: For program point L838(lines 837 884) no Hoare annotation was computed. [2020-11-28 02:57:34,517 INFO L274 CegarLoopResult]: For program point L640(lines 640 646) no Hoare annotation was computed. [2020-11-28 02:57:34,517 INFO L270 CegarLoopResult]: At program point L574(lines 570 576) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 02:57:34,517 INFO L274 CegarLoopResult]: For program point L640-2(lines 640 646) no Hoare annotation was computed. [2020-11-28 02:57:34,518 INFO L270 CegarLoopResult]: At program point L508(lines 503 511) the Hoare annotation is: false [2020-11-28 02:57:34,518 INFO L274 CegarLoopResult]: For program point L640-4(lines 640 646) no Hoare annotation was computed. [2020-11-28 02:57:34,518 INFO L270 CegarLoopResult]: At program point L508-1(lines 503 511) the Hoare annotation is: false [2020-11-28 02:57:34,518 INFO L274 CegarLoopResult]: For program point L442(lines 442 446) no Hoare annotation was computed. [2020-11-28 02:57:34,518 INFO L270 CegarLoopResult]: At program point L508-2(lines 503 511) the Hoare annotation is: false [2020-11-28 02:57:34,519 INFO L270 CegarLoopResult]: At program point L624(lines 619 626) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 02:57:34,519 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-28 02:57:34,519 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-11-28 02:57:34,519 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-11-28 02:57:34,519 INFO L270 CegarLoopResult]: At program point L525-2(lines 525 539) the Hoare annotation is: false [2020-11-28 02:57:34,520 INFO L274 CegarLoopResult]: For program point L839(lines 839 843) no Hoare annotation was computed. [2020-11-28 02:57:34,521 INFO L270 CegarLoopResult]: At program point L674(lines 674 680) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:57:34,521 INFO L270 CegarLoopResult]: At program point L674-1(lines 674 680) the Hoare annotation is: false [2020-11-28 02:57:34,521 INFO L270 CegarLoopResult]: At program point L674-2(lines 674 680) the Hoare annotation is: false [2020-11-28 02:57:34,522 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-11-28 02:57:34,522 INFO L274 CegarLoopResult]: For program point L873(lines 873 879) no Hoare annotation was computed. [2020-11-28 02:57:34,522 INFO L270 CegarLoopResult]: At program point L873-1(lines 667 673) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:57:34,522 INFO L270 CegarLoopResult]: At program point L807(lines 792 810) the Hoare annotation is: false [2020-11-28 02:57:34,522 INFO L270 CegarLoopResult]: At program point L807-1(lines 792 810) the Hoare annotation is: false [2020-11-28 02:57:34,523 INFO L270 CegarLoopResult]: At program point L807-2(lines 792 810) the Hoare annotation is: false [2020-11-28 02:57:34,523 INFO L274 CegarLoopResult]: For program point L857(lines 857 863) no Hoare annotation was computed. [2020-11-28 02:57:34,523 INFO L270 CegarLoopResult]: At program point L857-1(lines 857 863) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:57:34,523 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 02:57:34,523 INFO L270 CegarLoopResult]: At program point L924(lines 919 927) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 02:57:34,523 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:57:34,523 INFO L274 CegarLoopResult]: For program point L529(lines 529 533) no Hoare annotation was computed. [2020-11-28 02:57:34,524 INFO L274 CegarLoopResult]: For program point L529-1(lines 667 673) no Hoare annotation was computed. [2020-11-28 02:57:34,524 INFO L274 CegarLoopResult]: For program point L430(lines 430 434) no Hoare annotation was computed. [2020-11-28 02:57:34,524 INFO L274 CegarLoopResult]: For program point L430-3(lines 430 434) no Hoare annotation was computed. [2020-11-28 02:57:34,524 INFO L274 CegarLoopResult]: For program point L430-6(lines 430 434) no Hoare annotation was computed. [2020-11-28 02:57:34,524 INFO L277 CegarLoopResult]: At program point L612(lines 593 615) the Hoare annotation is: true [2020-11-28 02:57:34,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:57:34 BoogieIcfgContainer [2020-11-28 02:57:34,556 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:57:34,557 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:57:34,557 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:57:34,557 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:57:34,558 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:32" (3/4) ... [2020-11-28 02:57:34,561 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 02:57:34,583 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 02:57:34,584 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 02:57:34,585 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 02:57:34,586 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 02:57:34,587 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 02:57:34,587 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:57:34,588 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:57:34,621 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-11-28 02:57:34,717 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4c22a711-7104-4288-8204-7274666e4197/bin/uautomizer/witness.graphml [2020-11-28 02:57:34,717 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:57:34,719 INFO L168 Benchmark]: Toolchain (without parser) took 3716.41 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 86.5 MB in the beginning and 53.4 MB in the end (delta: 33.0 MB). Peak memory consumption was 54.7 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:34,719 INFO L168 Benchmark]: CDTParser took 0.77 ms. Allocated memory is still 113.2 MB. Free memory is still 71.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:57:34,720 INFO L168 Benchmark]: CACSL2BoogieTranslator took 519.30 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 86.1 MB in the beginning and 102.2 MB in the end (delta: -16.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:34,721 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.14 ms. Allocated memory is still 136.3 MB. Free memory was 102.2 MB in the beginning and 99.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:34,721 INFO L168 Benchmark]: Boogie Preprocessor took 76.54 ms. Allocated memory is still 136.3 MB. Free memory was 99.2 MB in the beginning and 96.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:34,722 INFO L168 Benchmark]: RCFGBuilder took 1149.20 ms. Allocated memory is still 136.3 MB. Free memory was 96.5 MB in the beginning and 43.1 MB in the end (delta: 53.3 MB). Peak memory consumption was 52.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:34,722 INFO L168 Benchmark]: TraceAbstraction took 1701.16 ms. Allocated memory is still 136.3 MB. Free memory was 42.7 MB in the beginning and 60.7 MB in the end (delta: -18.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:57:34,722 INFO L168 Benchmark]: Witness Printer took 160.07 ms. Allocated memory is still 136.3 MB. Free memory was 60.7 MB in the beginning and 53.4 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:34,725 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77 ms. Allocated memory is still 113.2 MB. Free memory is still 71.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 519.30 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 86.1 MB in the beginning and 102.2 MB in the end (delta: -16.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 102.14 ms. Allocated memory is still 136.3 MB. Free memory was 102.2 MB in the beginning and 99.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.54 ms. Allocated memory is still 136.3 MB. Free memory was 99.2 MB in the beginning and 96.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1149.20 ms. Allocated memory is still 136.3 MB. Free memory was 96.5 MB in the beginning and 43.1 MB in the end (delta: 53.3 MB). Peak memory consumption was 52.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1701.16 ms. Allocated memory is still 136.3 MB. Free memory was 42.7 MB in the beginning and 60.7 MB in the end (delta: -18.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 160.07 ms. Allocated memory is still 136.3 MB. Free memory was 60.7 MB in the beginning and 53.4 MB in the end (delta: 7.3 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: 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: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 84 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: 350 SDtfs, 321 SDslu, 370 SDs, 0 SdLazy, 49 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=111occurred 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, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 126 HoareAnnotationTreeSize, 33 FomulaSimplifications, 2679 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 5261 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...