./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product03.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_product03.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 a0ad45b227bbb81da93f33ffe3bf06c7b9263248 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 23:03:42,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:03:42,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:03:42,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:03:42,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:03:42,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:03:42,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:03:42,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:03:42,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:03:42,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:03:42,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:03:42,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:03:42,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:03:42,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:03:42,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:03:42,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:03:42,245 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:03:42,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:03:42,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:03:42,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:03:42,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:03:42,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:03:42,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:03:42,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:03:42,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:03:42,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:03:42,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:03:42,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:03:42,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:03:42,268 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:03:42,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:03:42,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:03:42,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:03:42,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:03:42,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:03:42,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:03:42,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:03:42,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:03:42,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:03:42,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:03:42,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:03:42,278 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:03:42,320 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:03:42,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:03:42,322 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:03:42,322 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:03:42,322 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:03:42,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:03:42,323 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:03:42,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:03:42,324 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:03:42,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:03:42,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:03:42,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:03:42,325 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:03:42,325 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:03:42,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:03:42,325 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:03:42,326 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:03:42,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:03:42,326 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:03:42,327 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:03:42,327 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:03:42,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:03:42,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:03:42,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:03:42,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:03:42,328 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:03:42,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:03:42,329 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:03:42,329 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:03:42,329 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0ad45b227bbb81da93f33ffe3bf06c7b9263248 [2020-10-25 23:03:42,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:03:42,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:03:42,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:03:42,759 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:03:42,761 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:03:42,762 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c [2020-10-25 23:03:42,859 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c9c24b0e/77dfdf23fcdd425385abb88f986cd1a2/FLAGd7a3d4ba1 [2020-10-25 23:03:43,672 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:03:43,673 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c [2020-10-25 23:03:43,687 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c9c24b0e/77dfdf23fcdd425385abb88f986cd1a2/FLAGd7a3d4ba1 [2020-10-25 23:03:43,990 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c9c24b0e/77dfdf23fcdd425385abb88f986cd1a2 [2020-10-25 23:03:43,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:03:44,004 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:03:44,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:03:44,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:03:44,015 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:03:44,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:03:43" (1/1) ... [2020-10-25 23:03:44,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5487aa4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:44, skipping insertion in model container [2020-10-25 23:03:44,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:03:43" (1/1) ... [2020-10-25 23:03:44,033 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:03:44,141 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:03:44,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:03:44,577 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:03:44,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:03:44,756 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:03:44,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:44 WrapperNode [2020-10-25 23:03:44,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:03:44,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:03:44,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:03:44,759 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:03:44,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:44" (1/1) ... [2020-10-25 23:03:44,786 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:44" (1/1) ... [2020-10-25 23:03:44,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:03:44,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:03:44,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:03:44,836 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:03:44,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:44" (1/1) ... [2020-10-25 23:03:44,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:44" (1/1) ... [2020-10-25 23:03:44,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:44" (1/1) ... [2020-10-25 23:03:44,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:44" (1/1) ... [2020-10-25 23:03:44,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:44" (1/1) ... [2020-10-25 23:03:44,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:44" (1/1) ... [2020-10-25 23:03:44,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:44" (1/1) ... [2020-10-25 23:03:44,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:03:44,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:03:44,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:03:44,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:03:44,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:44" (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 23:03:45,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:03:45,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:03:45,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:03:45,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:03:45,911 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:03:45,912 INFO L298 CfgBuilder]: Removed 76 assume(true) statements. [2020-10-25 23:03:45,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:03:45 BoogieIcfgContainer [2020-10-25 23:03:45,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:03:45,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:03:45,921 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:03:45,924 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:03:45,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:03:43" (1/3) ... [2020-10-25 23:03:45,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a159b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:03:45, skipping insertion in model container [2020-10-25 23:03:45,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:03:44" (2/3) ... [2020-10-25 23:03:45,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a159b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:03:45, skipping insertion in model container [2020-10-25 23:03:45,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:03:45" (3/3) ... [2020-10-25 23:03:45,928 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product03.cil.c [2020-10-25 23:03:45,942 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:03:45,948 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:03:45,963 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:03:46,009 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:03:46,009 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:03:46,010 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:03:46,010 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:03:46,010 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:03:46,010 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:03:46,010 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:03:46,011 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:03:46,035 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2020-10-25 23:03:46,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-25 23:03:46,042 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:03:46,044 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:03:46,044 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:03:46,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:03:46,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1328737855, now seen corresponding path program 1 times [2020-10-25 23:03:46,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:03:46,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398947339] [2020-10-25 23:03:46,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:03:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:03:46,502 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 23:03:46,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398947339] [2020-10-25 23:03:46,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:03:46,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:03:46,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082733189] [2020-10-25 23:03:46,512 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:03:46,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:03:46,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:03:46,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:03:46,529 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 2 states. [2020-10-25 23:03:46,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:03:46,556 INFO L93 Difference]: Finished difference Result 115 states and 170 transitions. [2020-10-25 23:03:46,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:03:46,558 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-25 23:03:46,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:03:46,568 INFO L225 Difference]: With dead ends: 115 [2020-10-25 23:03:46,569 INFO L226 Difference]: Without dead ends: 55 [2020-10-25 23:03:46,572 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 23:03:46,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-25 23:03:46,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-10-25 23:03:46,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-25 23:03:46,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2020-10-25 23:03:46,615 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2020-10-25 23:03:46,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:03:46,616 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2020-10-25 23:03:46,616 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:03:46,616 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2020-10-25 23:03:46,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-25 23:03:46,617 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:03:46,617 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 23:03:46,617 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:03:46,618 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:03:46,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:03:46,619 INFO L82 PathProgramCache]: Analyzing trace with hash 281980958, now seen corresponding path program 1 times [2020-10-25 23:03:46,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:03:46,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970805160] [2020-10-25 23:03:46,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:03:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:03:46,729 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 23:03:46,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970805160] [2020-10-25 23:03:46,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:03:46,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:03:46,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045071169] [2020-10-25 23:03:46,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:03:46,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:03:46,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:03:46,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:03:46,734 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2020-10-25 23:03:46,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:03:46,745 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2020-10-25 23:03:46,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:03:46,746 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-25 23:03:46,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:03:46,748 INFO L225 Difference]: With dead ends: 55 [2020-10-25 23:03:46,748 INFO L226 Difference]: Without dead ends: 29 [2020-10-25 23:03:46,752 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 23:03:46,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-25 23:03:46,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-10-25 23:03:46,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-25 23:03:46,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-10-25 23:03:46,759 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2020-10-25 23:03:46,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:03:46,759 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-10-25 23:03:46,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:03:46,760 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-10-25 23:03:46,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-25 23:03:46,761 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:03:46,761 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 23:03:46,761 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:03:46,762 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:03:46,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:03:46,763 INFO L82 PathProgramCache]: Analyzing trace with hash 474467475, now seen corresponding path program 1 times [2020-10-25 23:03:46,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:03:46,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462944687] [2020-10-25 23:03:46,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:03:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:03:46,889 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 23:03:46,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462944687] [2020-10-25 23:03:46,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:03:46,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:03:46,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838066831] [2020-10-25 23:03:46,891 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 23:03:46,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:03:46,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 23:03:46,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:03:46,893 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 6 states. [2020-10-25 23:03:47,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:03:47,085 INFO L93 Difference]: Finished difference Result 98 states and 142 transitions. [2020-10-25 23:03:47,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 23:03:47,086 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-10-25 23:03:47,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:03:47,090 INFO L225 Difference]: With dead ends: 98 [2020-10-25 23:03:47,090 INFO L226 Difference]: Without dead ends: 75 [2020-10-25 23:03:47,092 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:03:47,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-25 23:03:47,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 48. [2020-10-25 23:03:47,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-25 23:03:47,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2020-10-25 23:03:47,107 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2020-10-25 23:03:47,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:03:47,107 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2020-10-25 23:03:47,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 23:03:47,108 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2020-10-25 23:03:47,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-25 23:03:47,109 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:03:47,109 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 23:03:47,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:03:47,110 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:03:47,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:03:47,111 INFO L82 PathProgramCache]: Analyzing trace with hash 2106923728, now seen corresponding path program 1 times [2020-10-25 23:03:47,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:03:47,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047507007] [2020-10-25 23:03:47,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:03:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:03:47,246 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 23:03:47,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047507007] [2020-10-25 23:03:47,247 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:03:47,247 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:03:47,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278770745] [2020-10-25 23:03:47,248 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:03:47,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:03:47,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:03:47,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:03:47,250 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 5 states. [2020-10-25 23:03:47,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:03:47,356 INFO L93 Difference]: Finished difference Result 214 states and 328 transitions. [2020-10-25 23:03:47,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:03:47,357 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-25 23:03:47,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:03:47,360 INFO L225 Difference]: With dead ends: 214 [2020-10-25 23:03:47,360 INFO L226 Difference]: Without dead ends: 172 [2020-10-25 23:03:47,362 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 23:03:47,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-10-25 23:03:47,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 84. [2020-10-25 23:03:47,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-10-25 23:03:47,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 121 transitions. [2020-10-25 23:03:47,400 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 121 transitions. Word has length 22 [2020-10-25 23:03:47,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:03:47,401 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 121 transitions. [2020-10-25 23:03:47,402 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:03:47,402 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 121 transitions. [2020-10-25 23:03:47,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-25 23:03:47,403 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:03:47,404 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 23:03:47,404 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:03:47,405 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:03:47,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:03:47,405 INFO L82 PathProgramCache]: Analyzing trace with hash 507351174, now seen corresponding path program 1 times [2020-10-25 23:03:47,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:03:47,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324666653] [2020-10-25 23:03:47,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:03:47,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:03:47,534 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 23:03:47,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324666653] [2020-10-25 23:03:47,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:03:47,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:03:47,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686473967] [2020-10-25 23:03:47,536 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:03:47,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:03:47,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:03:47,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:03:47,538 INFO L87 Difference]: Start difference. First operand 84 states and 121 transitions. Second operand 5 states. [2020-10-25 23:03:47,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:03:47,624 INFO L93 Difference]: Finished difference Result 268 states and 395 transitions. [2020-10-25 23:03:47,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:03:47,625 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-25 23:03:47,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:03:47,625 INFO L225 Difference]: With dead ends: 268 [2020-10-25 23:03:47,625 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:03:47,627 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 23:03:47,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:03:47,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:03:47,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:03:47,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:03:47,628 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-10-25 23:03:47,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:03:47,628 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:03:47,629 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:03:47,629 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:03:47,629 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:03:47,629 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:03:47,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:03:47,922 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:03:47,923 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:03:47,923 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:03:47,923 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:03:47,923 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:03:47,923 INFO L274 CegarLoopResult]: For program point L301(lines 301 305) no Hoare annotation was computed. [2020-10-25 23:03:47,923 INFO L274 CegarLoopResult]: For program point L87(lines 87 100) no Hoare annotation was computed. [2020-10-25 23:03:47,923 INFO L274 CegarLoopResult]: For program point L270(lines 270 276) no Hoare annotation was computed. [2020-10-25 23:03:47,924 INFO L270 CegarLoopResult]: At program point L270-1(lines 270 276) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:03:47,924 INFO L270 CegarLoopResult]: At program point L105(lines 56 106) the Hoare annotation is: false [2020-10-25 23:03:47,924 INFO L270 CegarLoopResult]: At program point L139(lines 1 858) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:03:47,924 INFO L277 CegarLoopResult]: At program point L454(lines 435 457) the Hoare annotation is: true [2020-10-25 23:03:47,924 INFO L274 CegarLoopResult]: For program point L289(lines 289 293) no Hoare annotation was computed. [2020-10-25 23:03:47,925 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:03:47,925 INFO L274 CegarLoopResult]: For program point L289-3(lines 289 293) no Hoare annotation was computed. [2020-10-25 23:03:47,925 INFO L274 CegarLoopResult]: For program point L289-6(lines 289 293) no Hoare annotation was computed. [2020-10-25 23:03:47,926 INFO L274 CegarLoopResult]: For program point L58(lines 57 104) no Hoare annotation was computed. [2020-10-25 23:03:47,926 INFO L270 CegarLoopResult]: At program point L174(lines 174 180) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:03:47,926 INFO L270 CegarLoopResult]: At program point L174-1(lines 174 180) the Hoare annotation is: false [2020-10-25 23:03:47,926 INFO L270 CegarLoopResult]: At program point L174-2(lines 174 180) the Hoare annotation is: false [2020-10-25 23:03:47,927 INFO L270 CegarLoopResult]: At program point L422(lines 418 424) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:03:47,927 INFO L274 CegarLoopResult]: For program point L59(lines 59 63) no Hoare annotation was computed. [2020-10-25 23:03:47,927 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:03:47,927 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-10-25 23:03:47,928 INFO L270 CegarLoopResult]: At program point L93-1(lines 167 173) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:03:47,928 INFO L270 CegarLoopResult]: At program point L374-2(lines 374 388) the Hoare annotation is: false [2020-10-25 23:03:47,928 INFO L274 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-10-25 23:03:47,928 INFO L270 CegarLoopResult]: At program point L77-1(lines 77 83) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:03:47,929 INFO L270 CegarLoopResult]: At program point L226(lines 221 229) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:03:47,929 INFO L270 CegarLoopResult]: At program point L226-1(lines 221 229) the Hoare annotation is: false [2020-10-25 23:03:47,929 INFO L270 CegarLoopResult]: At program point L226-2(lines 221 229) the Hoare annotation is: false [2020-10-25 23:03:47,929 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:03:47,930 INFO L274 CegarLoopResult]: For program point L375(line 375) no Hoare annotation was computed. [2020-10-25 23:03:47,930 INFO L270 CegarLoopResult]: At program point L326(lines 321 329) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:03:47,930 INFO L270 CegarLoopResult]: At program point L326-1(lines 321 329) the Hoare annotation is: false [2020-10-25 23:03:47,930 INFO L270 CegarLoopResult]: At program point L326-2(lines 321 329) the Hoare annotation is: false [2020-10-25 23:03:47,931 INFO L274 CegarLoopResult]: For program point L476(lines 476 489) no Hoare annotation was computed. [2020-10-25 23:03:47,931 INFO L270 CegarLoopResult]: At program point L476-1(lines 1 858) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:03:47,931 INFO L274 CegarLoopResult]: For program point L476-2(lines 476 489) no Hoare annotation was computed. [2020-10-25 23:03:47,931 INFO L270 CegarLoopResult]: At program point L476-3(lines 1 858) the Hoare annotation is: false [2020-10-25 23:03:47,931 INFO L274 CegarLoopResult]: For program point L476-4(lines 476 489) no Hoare annotation was computed. [2020-10-25 23:03:47,932 INFO L270 CegarLoopResult]: At program point L476-5(lines 1 858) the Hoare annotation is: false [2020-10-25 23:03:47,932 INFO L274 CegarLoopResult]: For program point L378(lines 378 382) no Hoare annotation was computed. [2020-10-25 23:03:47,932 INFO L274 CegarLoopResult]: For program point L378-1(lines 167 173) no Hoare annotation was computed. [2020-10-25 23:03:47,932 INFO L270 CegarLoopResult]: At program point L147(lines 142 150) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:03:47,933 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:03:47,933 INFO L274 CegarLoopResult]: For program point L445(lines 445 452) no Hoare annotation was computed. [2020-10-25 23:03:47,933 INFO L277 CegarLoopResult]: At program point L445-1(lines 445 452) the Hoare annotation is: true [2020-10-25 23:03:47,933 INFO L274 CegarLoopResult]: For program point L313(lines 313 317) no Hoare annotation was computed. [2020-10-25 23:03:47,934 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:03:47,934 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-25 23:03:47,934 INFO L274 CegarLoopResult]: For program point L463-1(line 463) no Hoare annotation was computed. [2020-10-25 23:03:47,934 INFO L274 CegarLoopResult]: For program point L463-2(line 463) no Hoare annotation was computed. [2020-10-25 23:03:47,934 INFO L274 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2020-10-25 23:03:47,935 INFO L270 CegarLoopResult]: At program point L67-1(lines 67 73) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:03:47,935 INFO L274 CegarLoopResult]: For program point L480(lines 480 486) no Hoare annotation was computed. [2020-10-25 23:03:47,935 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 486) no Hoare annotation was computed. [2020-10-25 23:03:47,935 INFO L274 CegarLoopResult]: For program point L480-4(lines 480 486) no Hoare annotation was computed. [2020-10-25 23:03:47,935 INFO L270 CegarLoopResult]: At program point L167(lines 166 185) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-25 23:03:47,936 INFO L274 CegarLoopResult]: For program point L167-1(lines 167 173) no Hoare annotation was computed. [2020-10-25 23:03:47,936 INFO L270 CegarLoopResult]: At program point L167-2(lines 166 185) the Hoare annotation is: false [2020-10-25 23:03:47,936 INFO L270 CegarLoopResult]: At program point L167-3(lines 166 185) the Hoare annotation is: false [2020-10-25 23:03:47,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:03:47 BoogieIcfgContainer [2020-10-25 23:03:47,957 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:03:47,958 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:03:47,958 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:03:47,959 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:03:47,959 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:03:45" (3/4) ... [2020-10-25 23:03:47,963 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:03:47,982 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:03:47,982 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:03:47,983 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:03:47,984 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:03:47,984 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:03:47,985 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:03:47,985 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:03:48,014 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-10-25 23:03:48,015 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-10-25 23:03:48,018 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-10-25 23:03:48,065 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:03:48,065 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:03:48,068 INFO L168 Benchmark]: Toolchain (without parser) took 4069.45 ms. Allocated memory was 50.3 MB in the beginning and 81.8 MB in the end (delta: 31.5 MB). Free memory was 26.5 MB in the beginning and 56.4 MB in the end (delta: -29.9 MB). Peak memory consumption was 37.8 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:48,069 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 37.7 MB. Free memory was 20.2 MB in the beginning and 20.2 MB in the end (delta: 42.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:03:48,069 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.25 ms. Allocated memory is still 50.3 MB. Free memory was 25.9 MB in the beginning and 28.0 MB in the end (delta: -2.1 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:48,070 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.35 ms. Allocated memory is still 50.3 MB. Free memory was 28.0 MB in the beginning and 25.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:48,070 INFO L168 Benchmark]: Boogie Preprocessor took 56.93 ms. Allocated memory is still 50.3 MB. Free memory was 25.4 MB in the beginning and 23.5 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:03:48,071 INFO L168 Benchmark]: RCFGBuilder took 1022.74 ms. Allocated memory was 50.3 MB in the beginning and 67.1 MB in the end (delta: 16.8 MB). Free memory was 23.5 MB in the beginning and 36.1 MB in the end (delta: -12.7 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:48,072 INFO L168 Benchmark]: TraceAbstraction took 2038.07 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 35.7 MB in the beginning and 22.4 MB in the end (delta: 13.3 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:48,072 INFO L168 Benchmark]: Witness Printer took 107.49 ms. Allocated memory is still 81.8 MB. Free memory was 22.4 MB in the beginning and 56.4 MB in the end (delta: -34.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 23:03:48,076 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 37.7 MB. Free memory was 20.2 MB in the beginning and 20.2 MB in the end (delta: 42.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 747.25 ms. Allocated memory is still 50.3 MB. Free memory was 25.9 MB in the beginning and 28.0 MB in the end (delta: -2.1 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 76.35 ms. Allocated memory is still 50.3 MB. Free memory was 28.0 MB in the beginning and 25.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.93 ms. Allocated memory is still 50.3 MB. Free memory was 25.4 MB in the beginning and 23.5 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1022.74 ms. Allocated memory was 50.3 MB in the beginning and 67.1 MB in the end (delta: 16.8 MB). Free memory was 23.5 MB in the beginning and 36.1 MB in the end (delta: -12.7 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2038.07 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 35.7 MB in the beginning and 22.4 MB in the end (delta: 13.3 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB. * Witness Printer took 107.49 ms. Allocated memory is still 81.8 MB. Free memory was 22.4 MB in the beginning and 56.4 MB in the end (delta: -34.0 MB). Peak memory consumption was 2.1 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: 167]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 435]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 62 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 268 SDtfs, 371 SDslu, 459 SDs, 0 SdLazy, 58 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred 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, 115 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 112 NumberOfFragments, 119 HoareAnnotationTreeSize, 26 FomulaSimplifications, 4447 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 4452 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...