./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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_spec4_product16.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 407d2ed2af07127fb49dbf31f1dfe014dd6d299c ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:22:32,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:22:32,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:22:32,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:22:32,186 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:22:32,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:22:32,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:22:32,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:22:32,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:22:32,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:22:32,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:22:32,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:22:32,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:22:32,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:22:32,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:22:32,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:22:32,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:22:32,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:22:32,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:22:32,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:22:32,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:22:32,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:22:32,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:22:32,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:22:32,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:22:32,217 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:22:32,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:22:32,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:22:32,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:22:32,221 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:22:32,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:22:32,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:22:32,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:22:32,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:22:32,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:22:32,229 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:22:32,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:22:32,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:22:32,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:22:32,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:22:32,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:22:32,236 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:22:32,259 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:22:32,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:22:32,260 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:22:32,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:22:32,261 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:22:32,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:22:32,261 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:22:32,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:22:32,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:22:32,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:22:32,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:22:32,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:22:32,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:22:32,263 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:22:32,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:22:32,263 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:22:32,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:22:32,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:22:32,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:22:32,264 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:22:32,265 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:22:32,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:22:32,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:22:32,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:22:32,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:22:32,266 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:22:32,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:22:32,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:22:32,266 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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(__VERIFIER_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 -> 407d2ed2af07127fb49dbf31f1dfe014dd6d299c [2019-11-28 00:22:32,578 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:22:32,591 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:22:32,595 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:22:32,596 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:22:32,597 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:22:32,598 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2019-11-28 00:22:32,670 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3a6ee543/c2338b07c740427a83478285d68e62ff/FLAG71592062f [2019-11-28 00:22:33,223 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:22:33,224 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2019-11-28 00:22:33,241 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3a6ee543/c2338b07c740427a83478285d68e62ff/FLAG71592062f [2019-11-28 00:22:33,516 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3a6ee543/c2338b07c740427a83478285d68e62ff [2019-11-28 00:22:33,520 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:22:33,521 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:22:33,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:22:33,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:22:33,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:22:33,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:22:33" (1/1) ... [2019-11-28 00:22:33,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@107d63bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:33, skipping insertion in model container [2019-11-28 00:22:33,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:22:33" (1/1) ... [2019-11-28 00:22:33,539 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:22:33,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:22:34,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:22:34,025 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:22:34,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:22:34,161 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:22:34,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:34 WrapperNode [2019-11-28 00:22:34,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:22:34,163 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:22:34,163 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:22:34,163 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:22:34,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:34" (1/1) ... [2019-11-28 00:22:34,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:34" (1/1) ... [2019-11-28 00:22:34,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:22:34,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:22:34,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:22:34,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:22:34,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:34" (1/1) ... [2019-11-28 00:22:34,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:34" (1/1) ... [2019-11-28 00:22:34,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:34" (1/1) ... [2019-11-28 00:22:34,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:34" (1/1) ... [2019-11-28 00:22:34,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:34" (1/1) ... [2019-11-28 00:22:34,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:34" (1/1) ... [2019-11-28 00:22:34,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:34" (1/1) ... [2019-11-28 00:22:34,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:22:34,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:22:34,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:22:34,280 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:22:34,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:34" (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 [2019-11-28 00:22:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:22:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:22:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:22:34,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:22:35,069 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:22:35,069 INFO L297 CfgBuilder]: Removed 102 assume(true) statements. [2019-11-28 00:22:35,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:22:35 BoogieIcfgContainer [2019-11-28 00:22:35,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:22:35,072 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:22:35,073 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:22:35,076 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:22:35,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:22:33" (1/3) ... [2019-11-28 00:22:35,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c668442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:22:35, skipping insertion in model container [2019-11-28 00:22:35,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:34" (2/3) ... [2019-11-28 00:22:35,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c668442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:22:35, skipping insertion in model container [2019-11-28 00:22:35,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:22:35" (3/3) ... [2019-11-28 00:22:35,083 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product16.cil.c [2019-11-28 00:22:35,093 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:22:35,102 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:22:35,114 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:22:35,136 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:22:35,136 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:22:35,136 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:22:35,136 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:22:35,137 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:22:35,137 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:22:35,137 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:22:35,137 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:22:35,154 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2019-11-28 00:22:35,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 00:22:35,162 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:35,163 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:35,163 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:35,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:35,170 INFO L82 PathProgramCache]: Analyzing trace with hash -262370748, now seen corresponding path program 1 times [2019-11-28 00:22:35,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:35,178 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760544566] [2019-11-28 00:22:35,178 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:35,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:35,473 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760544566] [2019-11-28 00:22:35,474 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:35,474 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:22:35,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386500640] [2019-11-28 00:22:35,481 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:22:35,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:35,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:22:35,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:22:35,499 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2019-11-28 00:22:35,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:35,544 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2019-11-28 00:22:35,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:22:35,546 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-28 00:22:35,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:35,559 INFO L225 Difference]: With dead ends: 136 [2019-11-28 00:22:35,559 INFO L226 Difference]: Without dead ends: 67 [2019-11-28 00:22:35,563 INFO L630 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 [2019-11-28 00:22:35,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-11-28 00:22:35,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2019-11-28 00:22:35,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-11-28 00:22:35,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2019-11-28 00:22:35,608 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2019-11-28 00:22:35,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:35,608 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2019-11-28 00:22:35,609 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:22:35,609 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2019-11-28 00:22:35,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 00:22:35,610 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:35,611 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:35,611 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:35,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:35,612 INFO L82 PathProgramCache]: Analyzing trace with hash -1309127645, now seen corresponding path program 1 times [2019-11-28 00:22:35,612 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:35,613 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574786962] [2019-11-28 00:22:35,613 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:35,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:35,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:35,726 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574786962] [2019-11-28 00:22:35,726 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:35,726 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:22:35,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223044055] [2019-11-28 00:22:35,729 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:22:35,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:35,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:22:35,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:22:35,731 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 3 states. [2019-11-28 00:22:35,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:35,755 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2019-11-28 00:22:35,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:22:35,757 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-28 00:22:35,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:35,758 INFO L225 Difference]: With dead ends: 67 [2019-11-28 00:22:35,759 INFO L226 Difference]: Without dead ends: 33 [2019-11-28 00:22:35,762 INFO L630 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 [2019-11-28 00:22:35,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-11-28 00:22:35,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-11-28 00:22:35,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-28 00:22:35,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-11-28 00:22:35,778 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2019-11-28 00:22:35,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:35,779 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-11-28 00:22:35,779 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:22:35,780 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-11-28 00:22:35,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 00:22:35,781 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:35,781 INFO L410 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] [2019-11-28 00:22:35,782 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:35,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:35,782 INFO L82 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2019-11-28 00:22:35,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:35,783 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934015828] [2019-11-28 00:22:35,784 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:35,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:35,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:35,934 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934015828] [2019-11-28 00:22:35,934 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:35,934 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:22:35,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734055224] [2019-11-28 00:22:35,935 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:22:35,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:35,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:22:35,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:22:35,939 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2019-11-28 00:22:35,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:35,984 INFO L93 Difference]: Finished difference Result 87 states and 126 transitions. [2019-11-28 00:22:35,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:22:35,987 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-11-28 00:22:35,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:35,988 INFO L225 Difference]: With dead ends: 87 [2019-11-28 00:22:35,989 INFO L226 Difference]: Without dead ends: 60 [2019-11-28 00:22:35,989 INFO L630 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 [2019-11-28 00:22:35,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-11-28 00:22:36,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2019-11-28 00:22:36,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-11-28 00:22:36,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2019-11-28 00:22:36,005 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 22 [2019-11-28 00:22:36,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:36,006 INFO L462 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2019-11-28 00:22:36,011 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:22:36,011 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2019-11-28 00:22:36,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-28 00:22:36,012 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:36,013 INFO L410 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] [2019-11-28 00:22:36,013 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:36,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:36,013 INFO L82 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2019-11-28 00:22:36,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:36,015 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183559301] [2019-11-28 00:22:36,015 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:36,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:36,106 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183559301] [2019-11-28 00:22:36,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:36,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:22:36,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301295113] [2019-11-28 00:22:36,108 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:22:36,108 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:36,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:22:36,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:22:36,109 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand 5 states. [2019-11-28 00:22:36,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:36,228 INFO L93 Difference]: Finished difference Result 209 states and 317 transitions. [2019-11-28 00:22:36,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:22:36,229 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-28 00:22:36,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:36,231 INFO L225 Difference]: With dead ends: 209 [2019-11-28 00:22:36,232 INFO L226 Difference]: Without dead ends: 159 [2019-11-28 00:22:36,233 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:22:36,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2019-11-28 00:22:36,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 100. [2019-11-28 00:22:36,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-11-28 00:22:36,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 143 transitions. [2019-11-28 00:22:36,252 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 143 transitions. Word has length 23 [2019-11-28 00:22:36,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:36,253 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 143 transitions. [2019-11-28 00:22:36,253 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:22:36,253 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 143 transitions. [2019-11-28 00:22:36,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 00:22:36,254 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:36,255 INFO L410 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] [2019-11-28 00:22:36,255 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:36,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:36,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1869425907, now seen corresponding path program 1 times [2019-11-28 00:22:36,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:36,256 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216677907] [2019-11-28 00:22:36,257 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:36,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:36,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:36,338 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216677907] [2019-11-28 00:22:36,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:36,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:22:36,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171620105] [2019-11-28 00:22:36,339 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:22:36,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:36,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:22:36,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:22:36,340 INFO L87 Difference]: Start difference. First operand 100 states and 143 transitions. Second operand 5 states. [2019-11-28 00:22:36,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:36,435 INFO L93 Difference]: Finished difference Result 244 states and 363 transitions. [2019-11-28 00:22:36,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:22:36,437 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-28 00:22:36,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:36,437 INFO L225 Difference]: With dead ends: 244 [2019-11-28 00:22:36,437 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:22:36,440 INFO L630 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 [2019-11-28 00:22:36,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:22:36,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:22:36,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:22:36,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:22:36,444 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-11-28 00:22:36,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:36,445 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:22:36,445 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:22:36,445 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:22:36,445 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:22:36,448 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:22:36,683 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 633) no Hoare annotation was computed. [2019-11-28 00:22:36,683 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:22:36,683 INFO L246 CegarLoopResult]: For program point L829(lines 829 835) no Hoare annotation was computed. [2019-11-28 00:22:36,683 INFO L246 CegarLoopResult]: For program point L829-2(lines 829 835) no Hoare annotation was computed. [2019-11-28 00:22:36,684 INFO L246 CegarLoopResult]: For program point L829-4(lines 829 835) no Hoare annotation was computed. [2019-11-28 00:22:36,684 INFO L246 CegarLoopResult]: For program point L615(lines 615 622) no Hoare annotation was computed. [2019-11-28 00:22:36,684 INFO L249 CegarLoopResult]: At program point L615-1(lines 615 622) the Hoare annotation is: true [2019-11-28 00:22:36,684 INFO L246 CegarLoopResult]: For program point L863(lines 863 869) no Hoare annotation was computed. [2019-11-28 00:22:36,685 INFO L242 CegarLoopResult]: At program point L863-1(lines 863 869) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:36,685 INFO L246 CegarLoopResult]: For program point L797(lines 797 803) no Hoare annotation was computed. [2019-11-28 00:22:36,685 INFO L242 CegarLoopResult]: At program point L797-1(lines 797 803) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:36,685 INFO L246 CegarLoopResult]: For program point L633(line 633) no Hoare annotation was computed. [2019-11-28 00:22:36,685 INFO L246 CegarLoopResult]: For program point L633-1(line 633) no Hoare annotation was computed. [2019-11-28 00:22:36,685 INFO L246 CegarLoopResult]: For program point L633-2(line 633) no Hoare annotation was computed. [2019-11-28 00:22:36,687 INFO L246 CegarLoopResult]: For program point L468(lines 468 472) no Hoare annotation was computed. [2019-11-28 00:22:36,687 INFO L246 CegarLoopResult]: For program point L683(lines 683 700) no Hoare annotation was computed. [2019-11-28 00:22:36,687 INFO L246 CegarLoopResult]: For program point L683-1(lines 683 700) no Hoare annotation was computed. [2019-11-28 00:22:36,687 INFO L246 CegarLoopResult]: For program point L683-2(lines 683 700) no Hoare annotation was computed. [2019-11-28 00:22:36,688 INFO L242 CegarLoopResult]: At program point L651(lines 650 669) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:36,688 INFO L246 CegarLoopResult]: For program point L651-1(lines 651 657) no Hoare annotation was computed. [2019-11-28 00:22:36,689 INFO L242 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:22:36,689 INFO L242 CegarLoopResult]: At program point L651-2(lines 650 669) the Hoare annotation is: false [2019-11-28 00:22:36,689 INFO L242 CegarLoopResult]: At program point L651-3(lines 650 669) the Hoare annotation is: false [2019-11-28 00:22:36,689 INFO L246 CegarLoopResult]: For program point L883(lines 883 898) no Hoare annotation was computed. [2019-11-28 00:22:36,689 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:22:36,690 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 633) no Hoare annotation was computed. [2019-11-28 00:22:36,690 INFO L242 CegarLoopResult]: At program point L753(lines 748 756) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:36,691 INFO L242 CegarLoopResult]: At program point L753-1(lines 748 756) the Hoare annotation is: false [2019-11-28 00:22:36,691 INFO L246 CegarLoopResult]: For program point L687(lines 687 695) no Hoare annotation was computed. [2019-11-28 00:22:36,691 INFO L242 CegarLoopResult]: At program point L753-2(lines 748 756) the Hoare annotation is: false [2019-11-28 00:22:36,692 INFO L246 CegarLoopResult]: For program point L687-1(lines 687 695) no Hoare annotation was computed. [2019-11-28 00:22:36,693 INFO L246 CegarLoopResult]: For program point L687-2(lines 687 695) no Hoare annotation was computed. [2019-11-28 00:22:36,693 INFO L246 CegarLoopResult]: For program point L456(lines 456 460) no Hoare annotation was computed. [2019-11-28 00:22:36,693 INFO L246 CegarLoopResult]: For program point L456-3(lines 456 460) no Hoare annotation was computed. [2019-11-28 00:22:36,693 INFO L246 CegarLoopResult]: For program point L456-6(lines 456 460) no Hoare annotation was computed. [2019-11-28 00:22:36,693 INFO L242 CegarLoopResult]: At program point L903(lines 852 904) the Hoare annotation is: false [2019-11-28 00:22:36,693 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:22:36,694 INFO L246 CegarLoopResult]: For program point L854(lines 853 902) no Hoare annotation was computed. [2019-11-28 00:22:36,698 INFO L246 CegarLoopResult]: For program point L855(lines 855 859) no Hoare annotation was computed. [2019-11-28 00:22:36,698 INFO L249 CegarLoopResult]: At program point L624(lines 605 627) the Hoare annotation is: true [2019-11-28 00:22:36,698 INFO L242 CegarLoopResult]: At program point L591(lines 587 593) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:22:36,699 INFO L242 CegarLoopResult]: At program point L525(lines 520 528) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:36,699 INFO L242 CegarLoopResult]: At program point L525-1(lines 520 528) the Hoare annotation is: false [2019-11-28 00:22:36,699 INFO L242 CegarLoopResult]: At program point L525-2(lines 520 528) the Hoare annotation is: false [2019-11-28 00:22:36,699 INFO L242 CegarLoopResult]: At program point L542-2(lines 542 556) the Hoare annotation is: false [2019-11-28 00:22:36,699 INFO L242 CegarLoopResult]: At program point L658(lines 658 664) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:36,700 INFO L242 CegarLoopResult]: At program point L658-1(lines 658 664) the Hoare annotation is: false [2019-11-28 00:22:36,700 INFO L242 CegarLoopResult]: At program point L658-2(lines 658 664) the Hoare annotation is: false [2019-11-28 00:22:36,700 INFO L242 CegarLoopResult]: At program point L493(lines 488 496) the Hoare annotation is: false [2019-11-28 00:22:36,701 INFO L242 CegarLoopResult]: At program point L493-1(lines 488 496) the Hoare annotation is: false [2019-11-28 00:22:36,704 INFO L242 CegarLoopResult]: At program point L493-2(lines 488 496) the Hoare annotation is: false [2019-11-28 00:22:36,704 INFO L246 CegarLoopResult]: For program point L873(lines 873 879) no Hoare annotation was computed. [2019-11-28 00:22:36,704 INFO L242 CegarLoopResult]: At program point L873-1(lines 873 879) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:36,705 INFO L246 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2019-11-28 00:22:36,705 INFO L242 CegarLoopResult]: At program point L65(lines 1 910) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:22:36,705 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:22:36,705 INFO L246 CegarLoopResult]: For program point L891(lines 891 897) no Hoare annotation was computed. [2019-11-28 00:22:36,705 INFO L242 CegarLoopResult]: At program point L891-1(lines 651 657) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:36,706 INFO L246 CegarLoopResult]: For program point L825(lines 825 838) no Hoare annotation was computed. [2019-11-28 00:22:36,706 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 633) no Hoare annotation was computed. [2019-11-28 00:22:36,706 INFO L242 CegarLoopResult]: At program point L825-1(lines 1 910) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:36,707 INFO L246 CegarLoopResult]: For program point L825-2(lines 825 838) no Hoare annotation was computed. [2019-11-28 00:22:36,707 INFO L242 CegarLoopResult]: At program point L825-3(lines 1 910) the Hoare annotation is: false [2019-11-28 00:22:36,707 INFO L246 CegarLoopResult]: For program point L825-4(lines 825 838) no Hoare annotation was computed. [2019-11-28 00:22:36,707 INFO L242 CegarLoopResult]: At program point L825-5(lines 1 910) the Hoare annotation is: false [2019-11-28 00:22:36,707 INFO L242 CegarLoopResult]: At program point L744(lines 737 747) the Hoare annotation is: false [2019-11-28 00:22:36,707 INFO L242 CegarLoopResult]: At program point L744-1(lines 737 747) the Hoare annotation is: false [2019-11-28 00:22:36,708 INFO L242 CegarLoopResult]: At program point L744-2(lines 737 747) the Hoare annotation is: false [2019-11-28 00:22:36,708 INFO L246 CegarLoopResult]: For program point L546(lines 546 550) no Hoare annotation was computed. [2019-11-28 00:22:36,708 INFO L246 CegarLoopResult]: For program point L546-1(lines 651 657) no Hoare annotation was computed. [2019-11-28 00:22:36,708 INFO L246 CegarLoopResult]: For program point L480(lines 480 484) no Hoare annotation was computed. [2019-11-28 00:22:36,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:22:36 BoogieIcfgContainer [2019-11-28 00:22:36,741 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:22:36,741 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:22:36,741 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:22:36,741 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:22:36,742 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:22:35" (3/4) ... [2019-11-28 00:22:36,747 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:22:36,784 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:22:36,785 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:22:36,786 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:22:36,790 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:22:36,791 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:22:36,792 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:22:36,792 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:22:36,839 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 00:22:36,910 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:22:36,911 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:22:36,913 INFO L168 Benchmark]: Toolchain (without parser) took 3391.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 955.0 MB in the beginning and 903.7 MB in the end (delta: 51.3 MB). Peak memory consumption was 171.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:36,914 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:22:36,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -134.7 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:36,915 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:36,915 INFO L168 Benchmark]: Boogie Preprocessor took 38.24 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:22:36,916 INFO L168 Benchmark]: RCFGBuilder took 791.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:36,916 INFO L168 Benchmark]: TraceAbstraction took 1668.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 917.1 MB in the end (delta: 114.3 MB). Peak memory consumption was 114.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:36,917 INFO L168 Benchmark]: Witness Printer took 169.87 ms. Allocated memory is still 1.1 GB. Free memory was 917.1 MB in the beginning and 903.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:36,919 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 640.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -134.7 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.24 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 791.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1668.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 917.1 MB in the end (delta: 114.3 MB). Peak memory consumption was 114.3 MB. Max. memory is 11.5 GB. * Witness Printer took 169.87 ms. Allocated memory is still 1.1 GB. Free memory was 917.1 MB in the beginning and 903.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 633]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 633]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 633]: 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: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 3 error locations. Result: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 310 SDtfs, 300 SDslu, 260 SDs, 0 SdLazy, 57 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred 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, 63 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 94 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1297 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 3931 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...