./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c 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_spec5_product36.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 69211a6a9810795915a638c419bc12fc6aa00ac5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 17:27:40,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:27:40,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:27:40,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:27:40,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:27:40,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:27:40,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:27:40,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:27:40,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:27:40,140 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:27:40,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:27:40,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:27:40,143 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:27:40,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:27:40,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:27:40,151 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:27:40,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:27:40,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:27:40,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:27:40,161 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:27:40,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:27:40,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:27:40,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:27:40,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:27:40,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:27:40,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:27:40,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:27:40,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:27:40,181 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:27:40,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:27:40,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:27:40,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:27:40,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:27:40,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:27:40,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:27:40,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:27:40,188 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:27:40,189 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:27:40,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:27:40,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:27:40,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:27:40,193 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:27:40,230 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:27:40,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:27:40,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:27:40,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:27:40,237 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:27:40,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:27:40,239 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:27:40,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:27:40,239 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:27:40,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:27:40,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:27:40,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:27:40,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:27:40,244 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:27:40,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:27:40,244 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:27:40,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:27:40,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:27:40,245 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:27:40,245 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:27:40,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:27:40,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:27:40,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:27:40,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:27:40,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:27:40,248 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:27:40,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:27:40,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:27:40,250 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:27:40,250 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 -> 69211a6a9810795915a638c419bc12fc6aa00ac5 [2019-11-28 17:27:40,626 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:27:40,648 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:27:40,652 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:27:40,655 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:27:40,656 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:27:40,657 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2019-11-28 17:27:40,729 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f62b8acf1/57ef85d43c4e430a814134103cb35be5/FLAGf3ca2d000 [2019-11-28 17:27:41,313 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:27:41,317 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2019-11-28 17:27:41,335 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f62b8acf1/57ef85d43c4e430a814134103cb35be5/FLAGf3ca2d000 [2019-11-28 17:27:41,591 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f62b8acf1/57ef85d43c4e430a814134103cb35be5 [2019-11-28 17:27:41,595 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:27:41,596 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:27:41,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:27:41,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:27:41,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:27:41,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:27:41" (1/1) ... [2019-11-28 17:27:41,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e036dfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:41, skipping insertion in model container [2019-11-28 17:27:41,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:27:41" (1/1) ... [2019-11-28 17:27:41,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:27:41,697 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:27:42,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:27:42,214 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:27:42,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:27:42,359 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:27:42,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:42 WrapperNode [2019-11-28 17:27:42,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:27:42,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:27:42,361 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:27:42,361 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:27:42,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:42" (1/1) ... [2019-11-28 17:27:42,394 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:42" (1/1) ... [2019-11-28 17:27:42,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:27:42,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:27:42,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:27:42,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:27:42,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:42" (1/1) ... [2019-11-28 17:27:42,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:42" (1/1) ... [2019-11-28 17:27:42,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:42" (1/1) ... [2019-11-28 17:27:42,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:42" (1/1) ... [2019-11-28 17:27:42,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:42" (1/1) ... [2019-11-28 17:27:42,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:42" (1/1) ... [2019-11-28 17:27:42,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:42" (1/1) ... [2019-11-28 17:27:42,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:27:42,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:27:42,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:27:42,480 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:27:42,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:42" (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 17:27:42,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:27:42,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:27:42,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:27:42,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:27:43,392 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:27:43,393 INFO L287 CfgBuilder]: Removed 116 assume(true) statements. [2019-11-28 17:27:43,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:27:43 BoogieIcfgContainer [2019-11-28 17:27:43,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:27:43,397 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:27:43,398 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:27:43,402 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:27:43,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:27:41" (1/3) ... [2019-11-28 17:27:43,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@280091f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:27:43, skipping insertion in model container [2019-11-28 17:27:43,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:42" (2/3) ... [2019-11-28 17:27:43,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@280091f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:27:43, skipping insertion in model container [2019-11-28 17:27:43,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:27:43" (3/3) ... [2019-11-28 17:27:43,410 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product36.cil.c [2019-11-28 17:27:43,421 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:27:43,430 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:27:43,443 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:27:43,468 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:27:43,468 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:27:43,468 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:27:43,468 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:27:43,469 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:27:43,469 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:27:43,469 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:27:43,470 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:27:43,488 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states. [2019-11-28 17:27:43,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 17:27:43,496 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:43,497 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:43,498 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:43,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:43,503 INFO L82 PathProgramCache]: Analyzing trace with hash 795545809, now seen corresponding path program 1 times [2019-11-28 17:27:43,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:43,511 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269354143] [2019-11-28 17:27:43,511 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:43,754 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 17:27:43,755 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269354143] [2019-11-28 17:27:43,756 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:43,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:27:43,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358660840] [2019-11-28 17:27:43,762 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:27:43,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:43,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:27:43,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:27:43,780 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 2 states. [2019-11-28 17:27:43,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:43,810 INFO L93 Difference]: Finished difference Result 171 states and 256 transitions. [2019-11-28 17:27:43,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:27:43,812 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-11-28 17:27:43,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:43,823 INFO L225 Difference]: With dead ends: 171 [2019-11-28 17:27:43,824 INFO L226 Difference]: Without dead ends: 85 [2019-11-28 17:27:43,827 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 17:27:43,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2019-11-28 17:27:43,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2019-11-28 17:27:43,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-11-28 17:27:43,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 120 transitions. [2019-11-28 17:27:43,878 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 120 transitions. Word has length 19 [2019-11-28 17:27:43,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:43,878 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 120 transitions. [2019-11-28 17:27:43,878 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:27:43,878 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2019-11-28 17:27:43,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-28 17:27:43,880 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:43,880 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] [2019-11-28 17:27:43,880 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:43,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:43,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1693401934, now seen corresponding path program 1 times [2019-11-28 17:27:43,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:43,882 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493015535] [2019-11-28 17:27:43,882 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:44,031 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 17:27:44,031 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493015535] [2019-11-28 17:27:44,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:44,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:27:44,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240856895] [2019-11-28 17:27:44,038 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:27:44,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:44,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:27:44,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:44,039 INFO L87 Difference]: Start difference. First operand 85 states and 120 transitions. Second operand 3 states. [2019-11-28 17:27:44,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:44,065 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2019-11-28 17:27:44,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:27:44,066 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-28 17:27:44,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:44,068 INFO L225 Difference]: With dead ends: 85 [2019-11-28 17:27:44,070 INFO L226 Difference]: Without dead ends: 40 [2019-11-28 17:27:44,072 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 17:27:44,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-28 17:27:44,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-28 17:27:44,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-28 17:27:44,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2019-11-28 17:27:44,079 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 20 [2019-11-28 17:27:44,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:44,080 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 56 transitions. [2019-11-28 17:27:44,080 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:27:44,080 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2019-11-28 17:27:44,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 17:27:44,081 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:44,082 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, 1, 1] [2019-11-28 17:27:44,082 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:44,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:44,083 INFO L82 PathProgramCache]: Analyzing trace with hash -657926814, now seen corresponding path program 1 times [2019-11-28 17:27:44,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:44,084 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411906940] [2019-11-28 17:27:44,084 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:44,210 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 17:27:44,211 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411906940] [2019-11-28 17:27:44,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:44,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:27:44,212 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606923198] [2019-11-28 17:27:44,212 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:27:44,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:44,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:27:44,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:44,213 INFO L87 Difference]: Start difference. First operand 40 states and 56 transitions. Second operand 3 states. [2019-11-28 17:27:44,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:44,256 INFO L93 Difference]: Finished difference Result 106 states and 154 transitions. [2019-11-28 17:27:44,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:27:44,257 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-28 17:27:44,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:44,259 INFO L225 Difference]: With dead ends: 106 [2019-11-28 17:27:44,259 INFO L226 Difference]: Without dead ends: 73 [2019-11-28 17:27:44,260 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 17:27:44,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-11-28 17:27:44,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2019-11-28 17:27:44,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2019-11-28 17:27:44,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 100 transitions. [2019-11-28 17:27:44,279 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 100 transitions. Word has length 26 [2019-11-28 17:27:44,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:44,281 INFO L462 AbstractCegarLoop]: Abstraction has 69 states and 100 transitions. [2019-11-28 17:27:44,282 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:27:44,282 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 100 transitions. [2019-11-28 17:27:44,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-28 17:27:44,284 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:44,285 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, 1, 1, 1] [2019-11-28 17:27:44,285 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:44,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:44,286 INFO L82 PathProgramCache]: Analyzing trace with hash 1225410363, now seen corresponding path program 1 times [2019-11-28 17:27:44,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:44,287 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364856347] [2019-11-28 17:27:44,287 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:44,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:44,383 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 17:27:44,384 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364856347] [2019-11-28 17:27:44,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:44,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:27:44,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270318621] [2019-11-28 17:27:44,385 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:27:44,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:44,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:27:44,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:44,386 INFO L87 Difference]: Start difference. First operand 69 states and 100 transitions. Second operand 3 states. [2019-11-28 17:27:44,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:44,424 INFO L93 Difference]: Finished difference Result 178 states and 263 transitions. [2019-11-28 17:27:44,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:27:44,425 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-11-28 17:27:44,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:44,427 INFO L225 Difference]: With dead ends: 178 [2019-11-28 17:27:44,427 INFO L226 Difference]: Without dead ends: 116 [2019-11-28 17:27:44,428 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:44,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-11-28 17:27:44,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2019-11-28 17:27:44,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-11-28 17:27:44,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 164 transitions. [2019-11-28 17:27:44,444 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 164 transitions. Word has length 27 [2019-11-28 17:27:44,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:44,445 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 164 transitions. [2019-11-28 17:27:44,445 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:27:44,445 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 164 transitions. [2019-11-28 17:27:44,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-28 17:27:44,447 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:44,447 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, 1, 1, 1, 1, 1] [2019-11-28 17:27:44,447 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:44,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:44,448 INFO L82 PathProgramCache]: Analyzing trace with hash -88733333, now seen corresponding path program 1 times [2019-11-28 17:27:44,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:44,449 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640395363] [2019-11-28 17:27:44,449 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:44,532 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 17:27:44,533 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640395363] [2019-11-28 17:27:44,533 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:44,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:27:44,533 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782638025] [2019-11-28 17:27:44,534 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:44,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:44,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:44,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:44,536 INFO L87 Difference]: Start difference. First operand 114 states and 164 transitions. Second operand 5 states. [2019-11-28 17:27:44,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:44,699 INFO L93 Difference]: Finished difference Result 405 states and 585 transitions. [2019-11-28 17:27:44,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:27:44,700 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-11-28 17:27:44,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:44,705 INFO L225 Difference]: With dead ends: 405 [2019-11-28 17:27:44,705 INFO L226 Difference]: Without dead ends: 298 [2019-11-28 17:27:44,708 INFO L630 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 [2019-11-28 17:27:44,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2019-11-28 17:27:44,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 112. [2019-11-28 17:27:44,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-11-28 17:27:44,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 158 transitions. [2019-11-28 17:27:44,749 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 158 transitions. Word has length 29 [2019-11-28 17:27:44,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:44,750 INFO L462 AbstractCegarLoop]: Abstraction has 112 states and 158 transitions. [2019-11-28 17:27:44,750 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:44,750 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 158 transitions. [2019-11-28 17:27:44,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 17:27:44,753 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:44,753 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:44,754 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:44,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:44,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1397643050, now seen corresponding path program 1 times [2019-11-28 17:27:44,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:44,755 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544201886] [2019-11-28 17:27:44,755 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:44,831 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 17:27:44,831 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544201886] [2019-11-28 17:27:44,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:44,832 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:27:44,832 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820007835] [2019-11-28 17:27:44,833 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:44,833 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:44,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:44,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:44,834 INFO L87 Difference]: Start difference. First operand 112 states and 158 transitions. Second operand 5 states. [2019-11-28 17:27:44,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:44,902 INFO L93 Difference]: Finished difference Result 304 states and 427 transitions. [2019-11-28 17:27:44,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:27:44,904 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-28 17:27:44,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:44,906 INFO L225 Difference]: With dead ends: 304 [2019-11-28 17:27:44,907 INFO L226 Difference]: Without dead ends: 199 [2019-11-28 17:27:44,908 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 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 17:27:44,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2019-11-28 17:27:44,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 118. [2019-11-28 17:27:44,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-11-28 17:27:44,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2019-11-28 17:27:44,926 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 33 [2019-11-28 17:27:44,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:44,926 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2019-11-28 17:27:44,926 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:44,927 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2019-11-28 17:27:44,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 17:27:44,928 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:44,929 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:44,929 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:44,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:44,930 INFO L82 PathProgramCache]: Analyzing trace with hash 2098707628, now seen corresponding path program 1 times [2019-11-28 17:27:44,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:44,931 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106945283] [2019-11-28 17:27:44,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:44,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:44,987 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 17:27:44,988 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106945283] [2019-11-28 17:27:44,988 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:44,988 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:27:44,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017757548] [2019-11-28 17:27:44,989 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 17:27:44,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:44,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 17:27:44,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 17:27:44,990 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand 4 states. [2019-11-28 17:27:45,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:45,028 INFO L93 Difference]: Finished difference Result 283 states and 392 transitions. [2019-11-28 17:27:45,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 17:27:45,029 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-11-28 17:27:45,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:45,031 INFO L225 Difference]: With dead ends: 283 [2019-11-28 17:27:45,031 INFO L226 Difference]: Without dead ends: 172 [2019-11-28 17:27:45,032 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:45,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2019-11-28 17:27:45,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 122. [2019-11-28 17:27:45,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2019-11-28 17:27:45,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 168 transitions. [2019-11-28 17:27:45,045 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 168 transitions. Word has length 33 [2019-11-28 17:27:45,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:45,046 INFO L462 AbstractCegarLoop]: Abstraction has 122 states and 168 transitions. [2019-11-28 17:27:45,046 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 17:27:45,046 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2019-11-28 17:27:45,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 17:27:45,048 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:45,048 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:45,049 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:45,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:45,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1511901614, now seen corresponding path program 1 times [2019-11-28 17:27:45,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:45,050 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804927412] [2019-11-28 17:27:45,050 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:45,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:45,103 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 17:27:45,103 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804927412] [2019-11-28 17:27:45,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:45,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:27:45,104 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954304224] [2019-11-28 17:27:45,105 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:27:45,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:45,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:27:45,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:45,106 INFO L87 Difference]: Start difference. First operand 122 states and 168 transitions. Second operand 3 states. [2019-11-28 17:27:45,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:45,140 INFO L93 Difference]: Finished difference Result 293 states and 402 transitions. [2019-11-28 17:27:45,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:27:45,141 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-11-28 17:27:45,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:45,143 INFO L225 Difference]: With dead ends: 293 [2019-11-28 17:27:45,143 INFO L226 Difference]: Without dead ends: 178 [2019-11-28 17:27:45,144 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 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 17:27:45,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2019-11-28 17:27:45,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2019-11-28 17:27:45,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2019-11-28 17:27:45,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 237 transitions. [2019-11-28 17:27:45,162 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 237 transitions. Word has length 33 [2019-11-28 17:27:45,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:45,163 INFO L462 AbstractCegarLoop]: Abstraction has 178 states and 237 transitions. [2019-11-28 17:27:45,163 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:27:45,163 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 237 transitions. [2019-11-28 17:27:45,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 17:27:45,165 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:45,165 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:45,166 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:45,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:45,166 INFO L82 PathProgramCache]: Analyzing trace with hash -888433554, now seen corresponding path program 1 times [2019-11-28 17:27:45,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:45,167 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826599676] [2019-11-28 17:27:45,167 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:45,312 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 17:27:45,313 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826599676] [2019-11-28 17:27:45,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:45,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 17:27:45,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563648562] [2019-11-28 17:27:45,315 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:27:45,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:45,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:27:45,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:27:45,316 INFO L87 Difference]: Start difference. First operand 178 states and 237 transitions. Second operand 6 states. [2019-11-28 17:27:45,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:45,539 INFO L93 Difference]: Finished difference Result 665 states and 913 transitions. [2019-11-28 17:27:45,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:27:45,540 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-11-28 17:27:45,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:45,544 INFO L225 Difference]: With dead ends: 665 [2019-11-28 17:27:45,544 INFO L226 Difference]: Without dead ends: 550 [2019-11-28 17:27:45,545 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-28 17:27:45,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2019-11-28 17:27:45,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 263. [2019-11-28 17:27:45,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2019-11-28 17:27:45,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 346 transitions. [2019-11-28 17:27:45,574 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 346 transitions. Word has length 34 [2019-11-28 17:27:45,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:45,574 INFO L462 AbstractCegarLoop]: Abstraction has 263 states and 346 transitions. [2019-11-28 17:27:45,575 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:27:45,575 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 346 transitions. [2019-11-28 17:27:45,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-28 17:27:45,576 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:45,577 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:45,577 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:45,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:45,579 INFO L82 PathProgramCache]: Analyzing trace with hash -513094318, now seen corresponding path program 1 times [2019-11-28 17:27:45,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:45,579 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348697789] [2019-11-28 17:27:45,580 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:45,669 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:45,670 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348697789] [2019-11-28 17:27:45,670 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224645848] [2019-11-28 17:27:45,671 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:27:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:45,865 INFO L264 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 17:27:45,876 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:27:45,928 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:45,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 17:27:45,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-11-28 17:27:45,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738516249] [2019-11-28 17:27:45,930 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 17:27:45,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:45,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 17:27:45,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:27:45,931 INFO L87 Difference]: Start difference. First operand 263 states and 346 transitions. Second operand 8 states. [2019-11-28 17:27:46,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:46,117 INFO L93 Difference]: Finished difference Result 484 states and 647 transitions. [2019-11-28 17:27:46,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 17:27:46,118 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2019-11-28 17:27:46,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:46,119 INFO L225 Difference]: With dead ends: 484 [2019-11-28 17:27:46,119 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:27:46,122 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-11-28 17:27:46,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:27:46,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:27:46,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:27:46,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:27:46,123 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2019-11-28 17:27:46,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:46,124 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:27:46,124 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 17:27:46,124 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:27:46,124 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:27:46,331 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:27:46,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:27:47,194 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 18 [2019-11-28 17:27:47,360 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 23 [2019-11-28 17:27:47,675 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 21 [2019-11-28 17:27:47,844 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 21 [2019-11-28 17:27:48,014 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 21 [2019-11-28 17:27:48,347 WARN L192 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 21 [2019-11-28 17:27:48,530 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 25 [2019-11-28 17:27:48,748 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 21 [2019-11-28 17:27:48,926 INFO L246 CegarLoopResult]: For program point L894(lines 894 898) no Hoare annotation was computed. [2019-11-28 17:27:48,927 INFO L242 CegarLoopResult]: At program point L250(lines 235 253) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 2 ~waterLevel~0) .cse0 .cse1) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) (<= ~waterLevel~0 1) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0) .cse0 .cse1))) [2019-11-28 17:27:48,927 INFO L242 CegarLoopResult]: At program point L250-1(lines 235 253) the Hoare annotation is: false [2019-11-28 17:27:48,927 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-11-28 17:27:48,927 INFO L242 CegarLoopResult]: At program point L250-2(lines 235 253) the Hoare annotation is: false [2019-11-28 17:27:48,927 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:27:48,928 INFO L246 CegarLoopResult]: For program point L846(lines 846 856) no Hoare annotation was computed. [2019-11-28 17:27:48,928 INFO L246 CegarLoopResult]: For program point L846-2(lines 846 856) no Hoare annotation was computed. [2019-11-28 17:27:48,928 INFO L246 CegarLoopResult]: For program point L846-4(lines 846 856) no Hoare annotation was computed. [2019-11-28 17:27:48,928 INFO L246 CegarLoopResult]: For program point L731(lines 731 735) no Hoare annotation was computed. [2019-11-28 17:27:48,928 INFO L246 CegarLoopResult]: For program point L731-1(lines 731 735) no Hoare annotation was computed. [2019-11-28 17:27:48,928 INFO L246 CegarLoopResult]: For program point L847(lines 847 853) no Hoare annotation was computed. [2019-11-28 17:27:48,928 INFO L246 CegarLoopResult]: For program point L847-2(lines 847 853) no Hoare annotation was computed. [2019-11-28 17:27:48,928 INFO L246 CegarLoopResult]: For program point L847-4(lines 847 853) no Hoare annotation was computed. [2019-11-28 17:27:48,929 INFO L242 CegarLoopResult]: At program point L831(lines 110 116) the Hoare annotation is: (let ((.cse0 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse0 .cse1) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1))) [2019-11-28 17:27:48,931 INFO L242 CegarLoopResult]: At program point L831-1(lines 110 116) the Hoare annotation is: false [2019-11-28 17:27:48,931 INFO L242 CegarLoopResult]: At program point L831-2(lines 110 116) the Hoare annotation is: false [2019-11-28 17:27:48,932 INFO L246 CegarLoopResult]: For program point L947(lines 947 953) no Hoare annotation was computed. [2019-11-28 17:27:48,932 INFO L246 CegarLoopResult]: For program point L947-1(lines 947 953) no Hoare annotation was computed. [2019-11-28 17:27:48,932 INFO L246 CegarLoopResult]: For program point L947-2(lines 947 953) no Hoare annotation was computed. [2019-11-28 17:27:48,932 INFO L246 CegarLoopResult]: For program point L667(lines 667 673) no Hoare annotation was computed. [2019-11-28 17:27:48,932 INFO L242 CegarLoopResult]: At program point L667-1(lines 667 673) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse1 (or .cse3 (<= ~waterLevel~0 1))) (.cse0 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse0 .cse2)))) [2019-11-28 17:27:48,933 INFO L246 CegarLoopResult]: For program point L882(lines 882 886) no Hoare annotation was computed. [2019-11-28 17:27:48,934 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 17:27:48,934 INFO L246 CegarLoopResult]: For program point L800(lines 800 807) no Hoare annotation was computed. [2019-11-28 17:27:48,934 INFO L249 CegarLoopResult]: At program point L800-1(lines 800 807) the Hoare annotation is: true [2019-11-28 17:27:48,934 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:27:48,934 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-11-28 17:27:48,935 INFO L246 CegarLoopResult]: For program point L687(lines 687 702) no Hoare annotation was computed. [2019-11-28 17:27:48,935 INFO L246 CegarLoopResult]: For program point L142(lines 142 159) no Hoare annotation was computed. [2019-11-28 17:27:48,935 INFO L246 CegarLoopResult]: For program point L142-1(lines 142 159) no Hoare annotation was computed. [2019-11-28 17:27:48,935 INFO L246 CegarLoopResult]: For program point L142-2(lines 142 159) no Hoare annotation was computed. [2019-11-28 17:27:48,935 INFO L246 CegarLoopResult]: For program point L258(lines 258 264) no Hoare annotation was computed. [2019-11-28 17:27:48,936 INFO L242 CegarLoopResult]: At program point L258-1(lines 258 264) the Hoare annotation is: (and (= ~pumpRunning~0 0) (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:27:48,936 INFO L242 CegarLoopResult]: At program point L952(lines 943 956) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) (<= ~waterLevel~0 1) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1))) [2019-11-28 17:27:48,936 INFO L242 CegarLoopResult]: At program point L952-1(lines 943 956) the Hoare annotation is: false [2019-11-28 17:27:48,936 INFO L242 CegarLoopResult]: At program point L952-2(lines 943 956) the Hoare annotation is: false [2019-11-28 17:27:48,937 INFO L242 CegarLoopResult]: At program point L110(lines 106 128) the Hoare annotation is: (let ((.cse0 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse0 .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1))) [2019-11-28 17:27:48,937 INFO L242 CegarLoopResult]: At program point L110-1(lines 106 128) the Hoare annotation is: false [2019-11-28 17:27:48,937 INFO L242 CegarLoopResult]: At program point L110-2(lines 106 128) the Hoare annotation is: false [2019-11-28 17:27:48,937 INFO L246 CegarLoopResult]: For program point L870(lines 870 874) no Hoare annotation was computed. [2019-11-28 17:27:48,937 INFO L246 CegarLoopResult]: For program point L870-3(lines 870 874) no Hoare annotation was computed. [2019-11-28 17:27:48,937 INFO L246 CegarLoopResult]: For program point L870-6(lines 870 874) no Hoare annotation was computed. [2019-11-28 17:27:48,938 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:27:48,938 INFO L242 CegarLoopResult]: At program point L821(lines 816 823) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 17:27:48,938 INFO L246 CegarLoopResult]: For program point L244(lines 244 248) no Hoare annotation was computed. [2019-11-28 17:27:48,938 INFO L246 CegarLoopResult]: For program point L244-2(lines 244 248) no Hoare annotation was computed. [2019-11-28 17:27:48,939 INFO L246 CegarLoopResult]: For program point L244-3(lines 244 248) no Hoare annotation was computed. [2019-11-28 17:27:48,939 INFO L246 CegarLoopResult]: For program point L244-5(lines 244 248) no Hoare annotation was computed. [2019-11-28 17:27:48,939 INFO L246 CegarLoopResult]: For program point L244-6(lines 244 248) no Hoare annotation was computed. [2019-11-28 17:27:48,939 INFO L246 CegarLoopResult]: For program point L244-8(lines 244 248) no Hoare annotation was computed. [2019-11-28 17:27:48,940 INFO L242 CegarLoopResult]: At program point L195(lines 190 198) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 1)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse4 (or .cse0 (<= ~waterLevel~0 1))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse1 .cse2 .cse4 .cse3) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse4 .cse3)))) [2019-11-28 17:27:48,940 INFO L242 CegarLoopResult]: At program point L707(lines 656 708) the Hoare annotation is: false [2019-11-28 17:27:48,940 INFO L242 CegarLoopResult]: At program point L195-1(lines 190 198) the Hoare annotation is: (let ((.cse0 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse0 .cse1) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1))) [2019-11-28 17:27:48,941 INFO L242 CegarLoopResult]: At program point L195-2(lines 190 198) the Hoare annotation is: false [2019-11-28 17:27:48,941 INFO L242 CegarLoopResult]: At program point L195-3(lines 190 198) the Hoare annotation is: false [2019-11-28 17:27:48,941 INFO L242 CegarLoopResult]: At program point L195-4(lines 190 198) the Hoare annotation is: false [2019-11-28 17:27:48,941 INFO L242 CegarLoopResult]: At program point L195-5(lines 190 198) the Hoare annotation is: false [2019-11-28 17:27:48,943 INFO L246 CegarLoopResult]: For program point L658(lines 657 706) no Hoare annotation was computed. [2019-11-28 17:27:48,943 INFO L246 CegarLoopResult]: For program point L146(lines 146 154) no Hoare annotation was computed. [2019-11-28 17:27:48,944 INFO L246 CegarLoopResult]: For program point L146-1(lines 146 154) no Hoare annotation was computed. [2019-11-28 17:27:48,944 INFO L246 CegarLoopResult]: For program point L146-2(lines 146 154) no Hoare annotation was computed. [2019-11-28 17:27:48,944 INFO L242 CegarLoopResult]: At program point L939(lines 934 942) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 1)) (.cse3 (or .cse0 (<= ~waterLevel~0 1))) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse0 .cse1 .cse2) (and (= ~switchedOnBeforeTS~0 1) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse2) (and (= ~pumpRunning~0 0) .cse3 .cse2)))) [2019-11-28 17:27:48,944 INFO L242 CegarLoopResult]: At program point L939-1(lines 934 942) the Hoare annotation is: false [2019-11-28 17:27:48,945 INFO L242 CegarLoopResult]: At program point L939-2(lines 934 942) the Hoare annotation is: false [2019-11-28 17:27:48,945 INFO L246 CegarLoopResult]: For program point L659(lines 659 663) no Hoare annotation was computed. [2019-11-28 17:27:48,945 INFO L242 CegarLoopResult]: At program point L775(lines 771 777) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 17:27:48,945 INFO L242 CegarLoopResult]: At program point L65(lines 1 956) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 17:27:48,945 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:27:48,946 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-11-28 17:27:48,946 INFO L246 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-28 17:27:48,946 INFO L246 CegarLoopResult]: For program point L82-1(line 82) no Hoare annotation was computed. [2019-11-28 17:27:48,946 INFO L246 CegarLoopResult]: For program point L82-2(line 82) no Hoare annotation was computed. [2019-11-28 17:27:48,946 INFO L246 CegarLoopResult]: For program point L842(lines 842 859) no Hoare annotation was computed. [2019-11-28 17:27:48,947 INFO L242 CegarLoopResult]: At program point L842-1(lines 1 956) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 1)) (.cse3 (or .cse0 (<= ~waterLevel~0 1))) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2) (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse0 .cse1 .cse2) (and (= ~switchedOnBeforeTS~0 1) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse2) (and (= ~pumpRunning~0 0) .cse3 .cse2)))) [2019-11-28 17:27:48,947 INFO L249 CegarLoopResult]: At program point L809(lines 790 812) the Hoare annotation is: true [2019-11-28 17:27:48,947 INFO L246 CegarLoopResult]: For program point L842-2(lines 842 859) no Hoare annotation was computed. [2019-11-28 17:27:48,947 INFO L242 CegarLoopResult]: At program point L842-3(lines 1 956) the Hoare annotation is: false [2019-11-28 17:27:48,948 INFO L246 CegarLoopResult]: For program point L842-4(lines 842 859) no Hoare annotation was computed. [2019-11-28 17:27:48,948 INFO L246 CegarLoopResult]: For program point L677(lines 677 683) no Hoare annotation was computed. [2019-11-28 17:27:48,948 INFO L242 CegarLoopResult]: At program point L842-5(lines 1 956) the Hoare annotation is: false [2019-11-28 17:27:48,948 INFO L242 CegarLoopResult]: At program point L677-1(lines 677 683) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse1 (or .cse3 (<= ~waterLevel~0 1))) (.cse0 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse0 .cse2)))) [2019-11-28 17:27:48,948 INFO L242 CegarLoopResult]: At program point L727-2(lines 727 741) the Hoare annotation is: false [2019-11-28 17:27:48,949 INFO L246 CegarLoopResult]: For program point L728(line 728) no Hoare annotation was computed. [2019-11-28 17:27:48,949 INFO L246 CegarLoopResult]: For program point L695(lines 695 701) no Hoare annotation was computed. [2019-11-28 17:27:48,949 INFO L242 CegarLoopResult]: At program point L695-1(lines 1 956) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse1 (or .cse3 (<= ~waterLevel~0 1))) (.cse0 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse0 .cse2)))) [2019-11-28 17:27:48,949 INFO L242 CegarLoopResult]: At program point L117(lines 117 123) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse1 (or .cse3 (<= ~waterLevel~0 1))) (.cse0 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse3 .cse0 .cse2)))) [2019-11-28 17:27:48,950 INFO L242 CegarLoopResult]: At program point L117-1(lines 117 123) the Hoare annotation is: false [2019-11-28 17:27:48,950 INFO L242 CegarLoopResult]: At program point L117-2(lines 117 123) the Hoare annotation is: false [2019-11-28 17:27:48,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:27:48 BoogieIcfgContainer [2019-11-28 17:27:48,996 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:27:48,997 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:27:48,997 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:27:48,997 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:27:48,998 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:27:43" (3/4) ... [2019-11-28 17:27:49,003 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:27:49,033 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 17:27:49,034 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 17:27:49,035 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:27:49,036 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:27:49,037 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:27:49,038 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:27:49,038 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:27:49,070 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 2 && \result == 2) && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) || ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-28 17:27:49,071 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((2 == waterLevel && pumpRunning == 1) && 0 == splverifierCounter) [2019-11-28 17:27:49,071 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((2 == waterLevel && pumpRunning == 1) && 0 == splverifierCounter) [2019-11-28 17:27:49,072 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((2 == waterLevel && pumpRunning == 1) && 0 == splverifierCounter) [2019-11-28 17:27:49,073 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 == waterLevel && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || (((\result == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-28 17:27:49,073 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((\result == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-28 17:27:49,073 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-28 17:27:49,074 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((2 == waterLevel && pumpRunning == 1) && 0 == splverifierCounter) [2019-11-28 17:27:49,075 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 2 && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) || ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-28 17:27:49,075 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) || ((2 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 17:27:49,076 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((\result == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) [2019-11-28 17:27:49,076 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) || ((((0 == \result && waterLevel <= 1) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 17:27:49,154 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:27:49,154 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:27:49,156 INFO L168 Benchmark]: Toolchain (without parser) took 7560.06 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 292.6 MB). Free memory was 961.7 MB in the beginning and 1.2 GB in the end (delta: -272.4 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:49,156 INFO L168 Benchmark]: CDTParser took 0.81 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:27:49,157 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -128.6 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:49,157 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.11 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:49,158 INFO L168 Benchmark]: Boogie Preprocessor took 40.09 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 17:27:49,158 INFO L168 Benchmark]: RCFGBuilder took 915.47 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: 60.6 MB). Peak memory consumption was 60.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:49,159 INFO L168 Benchmark]: TraceAbstraction took 5599.74 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 183.0 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -227.8 MB). Peak memory consumption was 332.3 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:49,160 INFO L168 Benchmark]: Witness Printer took 157.90 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:49,165 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 762.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -128.6 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.11 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.09 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 915.47 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: 60.6 MB). Peak memory consumption was 60.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5599.74 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 183.0 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -227.8 MB). Peak memory consumption was 332.3 MB. Max. memory is 11.5 GB. * Witness Printer took 157.90 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 82]: 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: 235]: Loop Invariant Derived loop invariant: ((2 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) || ((((0 == \result && waterLevel <= 1) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: (((\result == 1 && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) || ((2 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: ((((\result == 2 && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) || ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((\result == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || (((\result == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: ((((2 == waterLevel && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || (((\result == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((2 == waterLevel && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((2 == waterLevel && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((2 == waterLevel && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((tmp == 2 && \result == 2) && 2 == waterLevel) && pumpRunning == 1) && 0 == splverifierCounter) || ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter)) || ((2 == waterLevel && pumpRunning == 1) && 0 == splverifierCounter) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: ((((switchedOnBeforeTS == 1 && pumpRunning == 1) && \result == 1) && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) || ((pumpRunning == 0 && (2 == waterLevel || waterLevel <= 1)) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 89 locations, 3 error locations. Result: SAFE, OverallTime: 2.8s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, HoareTripleCheckerStatistics: 839 SDtfs, 801 SDslu, 1207 SDs, 0 SdLazy, 206 SolverSat, 47 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 108 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=263occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 610 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 166 NumberOfFragments, 568 HoareAnnotationTreeSize, 39 FomulaSimplifications, 35239 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 39 FomulaSimplificationsInter, 9014 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 356 NumberOfCodeBlocks, 356 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 345 ConstructedInterpolants, 0 QuantifiedInterpolants, 23359 SizeOfPredicates, 4 NumberOfNonLiveVariables, 401 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 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...