./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.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_spec2_product39.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bee6f831173327ce1f460fb3d7d046a57a66e8b4 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:42:26,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:42:26,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:42:26,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:42:26,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:42:26,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:42:26,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:42:26,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:42:26,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:42:26,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:42:26,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:42:26,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:42:26,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:42:26,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:42:26,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:42:26,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:42:26,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:42:26,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:42:26,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:42:26,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:42:26,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:42:26,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:42:26,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:42:26,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:42:26,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:42:26,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:42:26,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:42:26,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:42:26,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:42:26,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:42:26,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:42:26,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:42:26,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:42:26,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:42:26,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:42:26,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:42:26,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:42:26,207 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:42:26,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:42:26,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:42:26,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:42:26,213 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:42:26,258 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:42:26,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:42:26,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:42:26,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:42:26,262 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:42:26,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:42:26,263 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:42:26,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:42:26,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:42:26,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:42:26,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:42:26,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:42:26,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:42:26,265 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:42:26,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:42:26,266 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:42:26,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:42:26,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:42:26,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:42:26,267 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:42:26,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:42:26,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:42:26,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:42:26,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:42:26,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:42:26,269 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:42:26,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:42:26,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:42:26,270 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:42:26,270 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(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bee6f831173327ce1f460fb3d7d046a57a66e8b4 [2020-10-20 01:42:26,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:42:26,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:42:26,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:42:26,526 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:42:26,527 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:42:26,528 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c [2020-10-20 01:42:26,592 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be2bd112a/67d81bd76e924caf93307ebc07f0ba2f/FLAGc45c60109 [2020-10-20 01:42:27,123 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:42:27,124 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c [2020-10-20 01:42:27,136 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be2bd112a/67d81bd76e924caf93307ebc07f0ba2f/FLAGc45c60109 [2020-10-20 01:42:27,423 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be2bd112a/67d81bd76e924caf93307ebc07f0ba2f [2020-10-20 01:42:27,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:42:27,431 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:42:27,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:27,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:42:27,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:42:27,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:27" (1/1) ... [2020-10-20 01:42:27,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b84cb55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:27, skipping insertion in model container [2020-10-20 01:42:27,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:27" (1/1) ... [2020-10-20 01:42:27,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:42:27,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:42:27,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:27,947 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:42:28,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:28,052 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:42:28,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:28 WrapperNode [2020-10-20 01:42:28,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:28,054 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:28,054 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:42:28,055 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:42:28,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:28" (1/1) ... [2020-10-20 01:42:28,091 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:28" (1/1) ... [2020-10-20 01:42:28,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:28,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:42:28,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:42:28,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:42:28,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:28" (1/1) ... [2020-10-20 01:42:28,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:28" (1/1) ... [2020-10-20 01:42:28,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:28" (1/1) ... [2020-10-20 01:42:28,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:28" (1/1) ... [2020-10-20 01:42:28,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:28" (1/1) ... [2020-10-20 01:42:28,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:28" (1/1) ... [2020-10-20 01:42:28,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:28" (1/1) ... [2020-10-20 01:42:28,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:42:28,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:42:28,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:42:28,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:42:28,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:42:28,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:42:28,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:42:28,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:42:28,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:42:29,263 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:42:29,263 INFO L298 CfgBuilder]: Removed 168 assume(true) statements. [2020-10-20 01:42:29,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:29 BoogieIcfgContainer [2020-10-20 01:42:29,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:42:29,267 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:42:29,267 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:42:29,271 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:42:29,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:42:27" (1/3) ... [2020-10-20 01:42:29,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3380c56a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:29, skipping insertion in model container [2020-10-20 01:42:29,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:28" (2/3) ... [2020-10-20 01:42:29,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3380c56a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:29, skipping insertion in model container [2020-10-20 01:42:29,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:29" (3/3) ... [2020-10-20 01:42:29,274 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product39.cil.c [2020-10-20 01:42:29,286 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:42:29,293 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:42:29,307 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:42:29,332 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:42:29,333 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:42:29,333 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:42:29,333 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:42:29,334 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:42:29,334 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:42:29,334 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:42:29,334 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:42:29,353 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2020-10-20 01:42:29,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 01:42:29,360 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:29,361 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:29,362 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:29,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:29,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1026093276, now seen corresponding path program 1 times [2020-10-20 01:42:29,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:29,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300028217] [2020-10-20 01:42:29,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:29,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:29,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300028217] [2020-10-20 01:42:29,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:29,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:29,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733374586] [2020-10-20 01:42:29,719 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:42:29,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:29,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:42:29,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:42:29,736 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2020-10-20 01:42:29,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:29,798 INFO L93 Difference]: Finished difference Result 230 states and 351 transitions. [2020-10-20 01:42:29,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:42:29,800 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-20 01:42:29,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:29,819 INFO L225 Difference]: With dead ends: 230 [2020-10-20 01:42:29,819 INFO L226 Difference]: Without dead ends: 113 [2020-10-20 01:42:29,824 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:42:29,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-10-20 01:42:29,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2020-10-20 01:42:29,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-10-20 01:42:29,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 166 transitions. [2020-10-20 01:42:29,888 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 166 transitions. Word has length 18 [2020-10-20 01:42:29,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:29,888 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 166 transitions. [2020-10-20 01:42:29,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:42:29,889 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 166 transitions. [2020-10-20 01:42:29,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:42:29,892 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:29,892 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:29,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:42:29,893 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:29,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:29,893 INFO L82 PathProgramCache]: Analyzing trace with hash 172348003, now seen corresponding path program 1 times [2020-10-20 01:42:29,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:29,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495039268] [2020-10-20 01:42:29,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:29,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:30,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:30,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495039268] [2020-10-20 01:42:30,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:30,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:42:30,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570009331] [2020-10-20 01:42:30,060 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:30,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:30,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:30,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:30,061 INFO L87 Difference]: Start difference. First operand 113 states and 166 transitions. Second operand 3 states. [2020-10-20 01:42:30,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:30,075 INFO L93 Difference]: Finished difference Result 113 states and 166 transitions. [2020-10-20 01:42:30,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:30,076 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-20 01:42:30,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:30,078 INFO L225 Difference]: With dead ends: 113 [2020-10-20 01:42:30,078 INFO L226 Difference]: Without dead ends: 49 [2020-10-20 01:42:30,079 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:30,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-20 01:42:30,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-10-20 01:42:30,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-20 01:42:30,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2020-10-20 01:42:30,085 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2020-10-20 01:42:30,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:30,086 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2020-10-20 01:42:30,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:30,086 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-10-20 01:42:30,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:42:30,087 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:30,087 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:30,088 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:42:30,088 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:30,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:30,088 INFO L82 PathProgramCache]: Analyzing trace with hash 2074006335, now seen corresponding path program 1 times [2020-10-20 01:42:30,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:30,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748380331] [2020-10-20 01:42:30,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:30,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:30,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:30,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748380331] [2020-10-20 01:42:30,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:30,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:30,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149270091] [2020-10-20 01:42:30,149 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:30,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:30,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:30,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:30,149 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2020-10-20 01:42:30,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:30,169 INFO L93 Difference]: Finished difference Result 133 states and 199 transitions. [2020-10-20 01:42:30,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:30,169 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-10-20 01:42:30,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:30,171 INFO L225 Difference]: With dead ends: 133 [2020-10-20 01:42:30,171 INFO L226 Difference]: Without dead ends: 91 [2020-10-20 01:42:30,172 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:30,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-10-20 01:42:30,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 87. [2020-10-20 01:42:30,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-20 01:42:30,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 130 transitions. [2020-10-20 01:42:30,183 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 130 transitions. Word has length 24 [2020-10-20 01:42:30,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:30,183 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 130 transitions. [2020-10-20 01:42:30,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:30,184 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 130 transitions. [2020-10-20 01:42:30,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:42:30,185 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:30,185 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:30,186 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:42:30,186 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:30,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:30,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1559751670, now seen corresponding path program 1 times [2020-10-20 01:42:30,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:30,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674428322] [2020-10-20 01:42:30,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:30,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:30,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674428322] [2020-10-20 01:42:30,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:30,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:30,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490452114] [2020-10-20 01:42:30,243 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:30,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:30,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:30,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:30,244 INFO L87 Difference]: Start difference. First operand 87 states and 130 transitions. Second operand 3 states. [2020-10-20 01:42:30,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:30,286 INFO L93 Difference]: Finished difference Result 210 states and 319 transitions. [2020-10-20 01:42:30,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:30,287 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-10-20 01:42:30,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:30,288 INFO L225 Difference]: With dead ends: 210 [2020-10-20 01:42:30,288 INFO L226 Difference]: Without dead ends: 130 [2020-10-20 01:42:30,289 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:30,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-10-20 01:42:30,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 128. [2020-10-20 01:42:30,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-10-20 01:42:30,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 188 transitions. [2020-10-20 01:42:30,303 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 188 transitions. Word has length 26 [2020-10-20 01:42:30,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:30,303 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 188 transitions. [2020-10-20 01:42:30,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:30,303 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 188 transitions. [2020-10-20 01:42:30,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-20 01:42:30,304 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:30,304 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:30,305 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:42:30,305 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:30,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:30,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1899452984, now seen corresponding path program 1 times [2020-10-20 01:42:30,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:30,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282863148] [2020-10-20 01:42:30,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:30,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:30,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282863148] [2020-10-20 01:42:30,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:30,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:30,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564905763] [2020-10-20 01:42:30,369 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:30,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:30,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:30,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:30,370 INFO L87 Difference]: Start difference. First operand 128 states and 188 transitions. Second operand 5 states. [2020-10-20 01:42:30,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:30,481 INFO L93 Difference]: Finished difference Result 628 states and 933 transitions. [2020-10-20 01:42:30,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:42:30,482 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-10-20 01:42:30,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:30,484 INFO L225 Difference]: With dead ends: 628 [2020-10-20 01:42:30,485 INFO L226 Difference]: Without dead ends: 507 [2020-10-20 01:42:30,486 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:42:30,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2020-10-20 01:42:30,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 235. [2020-10-20 01:42:30,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2020-10-20 01:42:30,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 340 transitions. [2020-10-20 01:42:30,509 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 340 transitions. Word has length 27 [2020-10-20 01:42:30,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:30,510 INFO L481 AbstractCegarLoop]: Abstraction has 235 states and 340 transitions. [2020-10-20 01:42:30,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:30,510 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 340 transitions. [2020-10-20 01:42:30,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-20 01:42:30,511 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:30,511 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:30,512 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:42:30,512 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:30,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:30,512 INFO L82 PathProgramCache]: Analyzing trace with hash 961369152, now seen corresponding path program 1 times [2020-10-20 01:42:30,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:30,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355523320] [2020-10-20 01:42:30,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:30,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:30,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355523320] [2020-10-20 01:42:30,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:30,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:30,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505081312] [2020-10-20 01:42:30,566 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:30,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:30,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:30,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:30,567 INFO L87 Difference]: Start difference. First operand 235 states and 340 transitions. Second operand 5 states. [2020-10-20 01:42:30,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:30,706 INFO L93 Difference]: Finished difference Result 889 states and 1291 transitions. [2020-10-20 01:42:30,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:42:30,707 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-10-20 01:42:30,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:30,711 INFO L225 Difference]: With dead ends: 889 [2020-10-20 01:42:30,711 INFO L226 Difference]: Without dead ends: 661 [2020-10-20 01:42:30,712 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:42:30,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2020-10-20 01:42:30,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 233. [2020-10-20 01:42:30,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-20 01:42:30,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 334 transitions. [2020-10-20 01:42:30,733 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 334 transitions. Word has length 28 [2020-10-20 01:42:30,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:30,733 INFO L481 AbstractCegarLoop]: Abstraction has 233 states and 334 transitions. [2020-10-20 01:42:30,733 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:30,733 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 334 transitions. [2020-10-20 01:42:30,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-20 01:42:30,735 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:30,735 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:30,735 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 01:42:30,736 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:30,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:30,736 INFO L82 PathProgramCache]: Analyzing trace with hash 2078564813, now seen corresponding path program 1 times [2020-10-20 01:42:30,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:30,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806014933] [2020-10-20 01:42:30,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:30,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:30,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806014933] [2020-10-20 01:42:30,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:30,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:42:30,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681935067] [2020-10-20 01:42:30,806 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:30,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:30,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:30,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:30,807 INFO L87 Difference]: Start difference. First operand 233 states and 334 transitions. Second operand 5 states. [2020-10-20 01:42:30,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:30,882 INFO L93 Difference]: Finished difference Result 639 states and 901 transitions. [2020-10-20 01:42:30,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:42:30,883 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-10-20 01:42:30,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:30,885 INFO L225 Difference]: With dead ends: 639 [2020-10-20 01:42:30,886 INFO L226 Difference]: Without dead ends: 413 [2020-10-20 01:42:30,886 INFO L677 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 [2020-10-20 01:42:30,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-10-20 01:42:30,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 257. [2020-10-20 01:42:30,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2020-10-20 01:42:30,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 358 transitions. [2020-10-20 01:42:30,905 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 358 transitions. Word has length 33 [2020-10-20 01:42:30,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:30,906 INFO L481 AbstractCegarLoop]: Abstraction has 257 states and 358 transitions. [2020-10-20 01:42:30,906 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:30,906 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 358 transitions. [2020-10-20 01:42:30,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-20 01:42:30,907 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:30,907 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:30,907 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:42:30,908 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:30,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:30,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1515337905, now seen corresponding path program 1 times [2020-10-20 01:42:30,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:30,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365526844] [2020-10-20 01:42:30,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:31,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:31,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365526844] [2020-10-20 01:42:31,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:31,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:42:31,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481672097] [2020-10-20 01:42:31,019 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:31,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:31,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:31,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:31,020 INFO L87 Difference]: Start difference. First operand 257 states and 358 transitions. Second operand 5 states. [2020-10-20 01:42:31,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:31,155 INFO L93 Difference]: Finished difference Result 723 states and 986 transitions. [2020-10-20 01:42:31,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:42:31,156 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-10-20 01:42:31,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:31,160 INFO L225 Difference]: With dead ends: 723 [2020-10-20 01:42:31,160 INFO L226 Difference]: Without dead ends: 473 [2020-10-20 01:42:31,161 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:42:31,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2020-10-20 01:42:31,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 273. [2020-10-20 01:42:31,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2020-10-20 01:42:31,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 374 transitions. [2020-10-20 01:42:31,205 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 374 transitions. Word has length 33 [2020-10-20 01:42:31,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:31,205 INFO L481 AbstractCegarLoop]: Abstraction has 273 states and 374 transitions. [2020-10-20 01:42:31,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:31,206 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 374 transitions. [2020-10-20 01:42:31,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-20 01:42:31,210 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:31,210 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:31,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:42:31,210 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:31,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:31,211 INFO L82 PathProgramCache]: Analyzing trace with hash -2102143919, now seen corresponding path program 1 times [2020-10-20 01:42:31,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:31,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065756891] [2020-10-20 01:42:31,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:31,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:31,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065756891] [2020-10-20 01:42:31,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:31,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:31,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946077718] [2020-10-20 01:42:31,267 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:31,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:31,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:31,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:31,269 INFO L87 Difference]: Start difference. First operand 273 states and 374 transitions. Second operand 3 states. [2020-10-20 01:42:31,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:31,320 INFO L93 Difference]: Finished difference Result 643 states and 875 transitions. [2020-10-20 01:42:31,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:31,321 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-10-20 01:42:31,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:31,324 INFO L225 Difference]: With dead ends: 643 [2020-10-20 01:42:31,324 INFO L226 Difference]: Without dead ends: 377 [2020-10-20 01:42:31,325 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:31,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2020-10-20 01:42:31,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2020-10-20 01:42:31,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2020-10-20 01:42:31,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 500 transitions. [2020-10-20 01:42:31,354 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 500 transitions. Word has length 33 [2020-10-20 01:42:31,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:31,355 INFO L481 AbstractCegarLoop]: Abstraction has 377 states and 500 transitions. [2020-10-20 01:42:31,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:31,355 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 500 transitions. [2020-10-20 01:42:31,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-20 01:42:31,357 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:31,357 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:31,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:42:31,358 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:31,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:31,358 INFO L82 PathProgramCache]: Analyzing trace with hash -207511791, now seen corresponding path program 1 times [2020-10-20 01:42:31,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:31,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603919929] [2020-10-20 01:42:31,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:31,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:31,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603919929] [2020-10-20 01:42:31,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:31,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:42:31,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644866951] [2020-10-20 01:42:31,450 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:31,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:31,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:31,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:31,451 INFO L87 Difference]: Start difference. First operand 377 states and 500 transitions. Second operand 3 states. [2020-10-20 01:42:31,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:31,507 INFO L93 Difference]: Finished difference Result 579 states and 775 transitions. [2020-10-20 01:42:31,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:31,512 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-10-20 01:42:31,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:31,519 INFO L225 Difference]: With dead ends: 579 [2020-10-20 01:42:31,519 INFO L226 Difference]: Without dead ends: 577 [2020-10-20 01:42:31,520 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:31,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2020-10-20 01:42:31,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 460. [2020-10-20 01:42:31,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2020-10-20 01:42:31,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 624 transitions. [2020-10-20 01:42:31,558 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 624 transitions. Word has length 34 [2020-10-20 01:42:31,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:31,558 INFO L481 AbstractCegarLoop]: Abstraction has 460 states and 624 transitions. [2020-10-20 01:42:31,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:31,559 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 624 transitions. [2020-10-20 01:42:31,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-20 01:42:31,560 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:31,560 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:31,561 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-20 01:42:31,561 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:31,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:31,561 INFO L82 PathProgramCache]: Analyzing trace with hash -573349842, now seen corresponding path program 1 times [2020-10-20 01:42:31,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:31,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017992656] [2020-10-20 01:42:31,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:31,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:31,625 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-20 01:42:31,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017992656] [2020-10-20 01:42:31,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:31,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:42:31,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579160213] [2020-10-20 01:42:31,627 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:31,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:31,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:31,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:31,628 INFO L87 Difference]: Start difference. First operand 460 states and 624 transitions. Second operand 3 states. [2020-10-20 01:42:31,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:31,769 INFO L93 Difference]: Finished difference Result 552 states and 745 transitions. [2020-10-20 01:42:31,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:31,770 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2020-10-20 01:42:31,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:31,772 INFO L225 Difference]: With dead ends: 552 [2020-10-20 01:42:31,772 INFO L226 Difference]: Without dead ends: 228 [2020-10-20 01:42:31,773 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:31,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2020-10-20 01:42:31,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2020-10-20 01:42:31,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-10-20 01:42:31,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 297 transitions. [2020-10-20 01:42:31,789 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 297 transitions. Word has length 54 [2020-10-20 01:42:31,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:31,790 INFO L481 AbstractCegarLoop]: Abstraction has 228 states and 297 transitions. [2020-10-20 01:42:31,790 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:31,790 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 297 transitions. [2020-10-20 01:42:31,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-20 01:42:31,791 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:31,792 INFO L422 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, 1, 1, 1, 1, 1] [2020-10-20 01:42:31,792 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-20 01:42:31,792 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:31,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:31,793 INFO L82 PathProgramCache]: Analyzing trace with hash -674961026, now seen corresponding path program 1 times [2020-10-20 01:42:31,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:31,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143961884] [2020-10-20 01:42:31,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:31,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:31,907 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-20 01:42:31,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143961884] [2020-10-20 01:42:31,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989857272] [2020-10-20 01:42:31,908 INFO L95 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 [2020-10-20 01:42:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:32,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-20 01:42:32,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:42:32,184 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-20 01:42:32,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-20 01:42:32,185 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 12 [2020-10-20 01:42:32,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757393847] [2020-10-20 01:42:32,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:42:32,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:32,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:42:32,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-20 01:42:32,187 INFO L87 Difference]: Start difference. First operand 228 states and 297 transitions. Second operand 6 states. [2020-10-20 01:42:32,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:32,421 INFO L93 Difference]: Finished difference Result 720 states and 937 transitions. [2020-10-20 01:42:32,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-20 01:42:32,422 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-10-20 01:42:32,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:32,424 INFO L225 Difference]: With dead ends: 720 [2020-10-20 01:42:32,425 INFO L226 Difference]: Without dead ends: 499 [2020-10-20 01:42:32,426 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2020-10-20 01:42:32,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2020-10-20 01:42:32,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 205. [2020-10-20 01:42:32,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-10-20 01:42:32,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 260 transitions. [2020-10-20 01:42:32,447 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 260 transitions. Word has length 56 [2020-10-20 01:42:32,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:32,447 INFO L481 AbstractCegarLoop]: Abstraction has 205 states and 260 transitions. [2020-10-20 01:42:32,448 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:42:32,448 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 260 transitions. [2020-10-20 01:42:32,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-20 01:42:32,449 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:32,449 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-20 01:42:32,662 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-10-20 01:42:32,663 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:32,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:32,664 INFO L82 PathProgramCache]: Analyzing trace with hash -2044849291, now seen corresponding path program 1 times [2020-10-20 01:42:32,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:32,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452709168] [2020-10-20 01:42:32,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:32,736 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:32,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452709168] [2020-10-20 01:42:32,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [15697033] [2020-10-20 01:42:32,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 01:42:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:32,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 01:42:32,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:42:32,935 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:32,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-20 01:42:32,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-10-20 01:42:32,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34862983] [2020-10-20 01:42:32,937 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:32,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:32,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:32,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:32,939 INFO L87 Difference]: Start difference. First operand 205 states and 260 transitions. Second operand 3 states. [2020-10-20 01:42:33,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:33,039 INFO L93 Difference]: Finished difference Result 325 states and 420 transitions. [2020-10-20 01:42:33,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:33,040 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-10-20 01:42:33,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:33,040 INFO L225 Difference]: With dead ends: 325 [2020-10-20 01:42:33,040 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:42:33,041 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:33,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:42:33,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:42:33,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:42:33,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:42:33,042 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-10-20 01:42:33,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:33,042 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:42:33,042 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:33,043 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:42:33,043 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:42:33,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-10-20 01:42:33,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:42:33,381 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 65 [2020-10-20 01:42:33,553 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 99 [2020-10-20 01:42:33,889 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 94 [2020-10-20 01:42:34,124 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 104 [2020-10-20 01:42:34,235 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 91 [2020-10-20 01:42:34,582 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 6 [2020-10-20 01:42:35,145 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 27 [2020-10-20 01:42:35,249 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 20 [2020-10-20 01:42:35,470 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2020-10-20 01:42:35,865 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 28 [2020-10-20 01:42:36,242 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 28 [2020-10-20 01:42:36,476 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2020-10-20 01:42:36,953 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 25 [2020-10-20 01:42:37,305 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 28 [2020-10-20 01:42:37,544 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 25 [2020-10-20 01:42:37,627 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:37,627 INFO L274 CegarLoopResult]: For program point L432(lines 432 449) no Hoare annotation was computed. [2020-10-20 01:42:37,628 INFO L274 CegarLoopResult]: For program point L432-1(lines 432 449) no Hoare annotation was computed. [2020-10-20 01:42:37,628 INFO L274 CegarLoopResult]: For program point L432-2(lines 432 449) no Hoare annotation was computed. [2020-10-20 01:42:37,628 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:42:37,628 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:42:37,628 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:42:37,628 INFO L270 CegarLoopResult]: At program point L137(lines 128 141) the Hoare annotation is: false [2020-10-20 01:42:37,628 INFO L270 CegarLoopResult]: At program point L137-1(lines 128 141) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0)))) [2020-10-20 01:42:37,628 INFO L270 CegarLoopResult]: At program point L137-2(lines 128 141) the Hoare annotation is: false [2020-10-20 01:42:37,629 INFO L270 CegarLoopResult]: At program point L137-3(lines 128 141) the Hoare annotation is: false [2020-10-20 01:42:37,629 INFO L270 CegarLoopResult]: At program point L137-4(lines 128 141) the Hoare annotation is: false [2020-10-20 01:42:37,629 INFO L270 CegarLoopResult]: At program point L137-5(lines 128 141) the Hoare annotation is: false [2020-10-20 01:42:37,629 INFO L274 CegarLoopResult]: For program point L534(lines 534 538) no Hoare annotation was computed. [2020-10-20 01:42:37,629 INFO L274 CegarLoopResult]: For program point L534-2(lines 534 538) no Hoare annotation was computed. [2020-10-20 01:42:37,629 INFO L274 CegarLoopResult]: For program point L534-3(lines 534 538) no Hoare annotation was computed. [2020-10-20 01:42:37,629 INFO L274 CegarLoopResult]: For program point L534-5(lines 534 538) no Hoare annotation was computed. [2020-10-20 01:42:37,629 INFO L274 CegarLoopResult]: For program point L534-6(lines 534 538) no Hoare annotation was computed. [2020-10-20 01:42:37,629 INFO L274 CegarLoopResult]: For program point L270(lines 270 280) no Hoare annotation was computed. [2020-10-20 01:42:37,629 INFO L274 CegarLoopResult]: For program point L534-8(lines 534 538) no Hoare annotation was computed. [2020-10-20 01:42:37,630 INFO L274 CegarLoopResult]: For program point L534-9(lines 534 538) no Hoare annotation was computed. [2020-10-20 01:42:37,630 INFO L270 CegarLoopResult]: At program point L204(lines 200 206) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-10-20 01:42:37,630 INFO L274 CegarLoopResult]: For program point L270-2(lines 270 280) no Hoare annotation was computed. [2020-10-20 01:42:37,632 INFO L274 CegarLoopResult]: For program point L534-11(lines 534 538) no Hoare annotation was computed. [2020-10-20 01:42:37,632 INFO L274 CegarLoopResult]: For program point L534-12(lines 534 538) no Hoare annotation was computed. [2020-10-20 01:42:37,632 INFO L274 CegarLoopResult]: For program point L270-4(lines 270 280) no Hoare annotation was computed. [2020-10-20 01:42:37,632 INFO L274 CegarLoopResult]: For program point L534-14(lines 534 538) no Hoare annotation was computed. [2020-10-20 01:42:37,632 INFO L274 CegarLoopResult]: For program point L534-15(lines 534 538) no Hoare annotation was computed. [2020-10-20 01:42:37,632 INFO L274 CegarLoopResult]: For program point L534-17(lines 534 538) no Hoare annotation was computed. [2020-10-20 01:42:37,633 INFO L274 CegarLoopResult]: For program point L436(lines 436 444) no Hoare annotation was computed. [2020-10-20 01:42:37,635 INFO L274 CegarLoopResult]: For program point L436-1(lines 436 444) no Hoare annotation was computed. [2020-10-20 01:42:37,635 INFO L274 CegarLoopResult]: For program point L436-2(lines 436 444) no Hoare annotation was computed. [2020-10-20 01:42:37,636 INFO L274 CegarLoopResult]: For program point L271(lines 271 277) no Hoare annotation was computed. [2020-10-20 01:42:37,636 INFO L274 CegarLoopResult]: For program point L271-2(lines 271 277) no Hoare annotation was computed. [2020-10-20 01:42:37,636 INFO L274 CegarLoopResult]: For program point L271-4(lines 271 277) no Hoare annotation was computed. [2020-10-20 01:42:37,636 INFO L274 CegarLoopResult]: For program point L338(lines 338 351) no Hoare annotation was computed. [2020-10-20 01:42:37,636 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:37,637 INFO L274 CegarLoopResult]: For program point L406(lines 406 423) no Hoare annotation was computed. [2020-10-20 01:42:37,637 INFO L274 CegarLoopResult]: For program point L406-1(lines 406 423) no Hoare annotation was computed. [2020-10-20 01:42:37,637 INFO L274 CegarLoopResult]: For program point L406-2(lines 406 423) no Hoare annotation was computed. [2020-10-20 01:42:37,637 INFO L274 CegarLoopResult]: For program point L406-3(lines 406 423) no Hoare annotation was computed. [2020-10-20 01:42:37,637 INFO L274 CegarLoopResult]: For program point L406-4(lines 406 423) no Hoare annotation was computed. [2020-10-20 01:42:37,638 INFO L274 CegarLoopResult]: For program point L406-5(lines 406 423) no Hoare annotation was computed. [2020-10-20 01:42:37,638 INFO L270 CegarLoopResult]: At program point L374(lines 373 392) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (= 0 ~systemActive~0) .cse2 .cse3) (and .cse4 .cse0 .cse3 .cse5 .cse6) (and .cse4 .cse0 .cse3 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse5) (and .cse4 .cse0 .cse1 .cse3) (and .cse0 .cse2 .cse3 .cse5 .cse6))) [2020-10-20 01:42:37,638 INFO L274 CegarLoopResult]: For program point L374-1(lines 374 380) no Hoare annotation was computed. [2020-10-20 01:42:37,638 INFO L270 CegarLoopResult]: At program point L374-2(lines 373 392) the Hoare annotation is: false [2020-10-20 01:42:37,639 INFO L270 CegarLoopResult]: At program point L374-3(lines 373 392) the Hoare annotation is: false [2020-10-20 01:42:37,639 INFO L277 CegarLoopResult]: At program point L242(lines 223 245) the Hoare annotation is: true [2020-10-20 01:42:37,639 INFO L270 CegarLoopResult]: At program point L540(lines 525 543) the Hoare annotation is: false [2020-10-20 01:42:37,639 INFO L270 CegarLoopResult]: At program point L540-1(lines 525 543) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (and (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0)))) [2020-10-20 01:42:37,649 INFO L270 CegarLoopResult]: At program point L540-2(lines 525 543) the Hoare annotation is: false [2020-10-20 01:42:37,649 INFO L270 CegarLoopResult]: At program point L540-3(lines 525 543) the Hoare annotation is: false [2020-10-20 01:42:37,649 INFO L270 CegarLoopResult]: At program point L540-4(lines 525 543) the Hoare annotation is: false [2020-10-20 01:42:37,650 INFO L270 CegarLoopResult]: At program point L540-5(lines 525 543) the Hoare annotation is: false [2020-10-20 01:42:37,650 INFO L274 CegarLoopResult]: For program point L309(lines 308 355) no Hoare annotation was computed. [2020-10-20 01:42:37,651 INFO L274 CegarLoopResult]: For program point L310(lines 310 314) no Hoare annotation was computed. [2020-10-20 01:42:37,651 INFO L274 CegarLoopResult]: For program point L79(lines 79 83) no Hoare annotation was computed. [2020-10-20 01:42:37,651 INFO L270 CegarLoopResult]: At program point L476(lines 469 479) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2) (and .cse0 (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse1 .cse2 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= 1 ~methaneLevelCritical~0)))) [2020-10-20 01:42:37,651 INFO L270 CegarLoopResult]: At program point L476-1(lines 469 479) the Hoare annotation is: false [2020-10-20 01:42:37,651 INFO L274 CegarLoopResult]: For program point L410(lines 410 418) no Hoare annotation was computed. [2020-10-20 01:42:37,651 INFO L270 CegarLoopResult]: At program point L476-2(lines 469 479) the Hoare annotation is: false [2020-10-20 01:42:37,652 INFO L274 CegarLoopResult]: For program point L410-1(lines 410 418) no Hoare annotation was computed. [2020-10-20 01:42:37,652 INFO L274 CegarLoopResult]: For program point L344(lines 344 350) no Hoare annotation was computed. [2020-10-20 01:42:37,652 INFO L274 CegarLoopResult]: For program point L410-2(lines 410 418) no Hoare annotation was computed. [2020-10-20 01:42:37,652 INFO L270 CegarLoopResult]: At program point L344-1(lines 374 380) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~methAndRunningLastTime~0 0))) (or (and (= 0 ~systemActive~0) .cse0 .cse1) (and .cse2 .cse3 .cse1 .cse4 .cse5) (and .cse2 .cse3 .cse1 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse4) (and .cse2 .cse3 .cse6 .cse1) (and .cse3 .cse6 .cse0 .cse1 .cse5) (and .cse3 .cse0 .cse1 .cse4 .cse5))) [2020-10-20 01:42:37,652 INFO L274 CegarLoopResult]: For program point L410-3(lines 410 418) no Hoare annotation was computed. [2020-10-20 01:42:37,653 INFO L274 CegarLoopResult]: For program point L410-4(lines 410 418) no Hoare annotation was computed. [2020-10-20 01:42:37,653 INFO L274 CegarLoopResult]: For program point L410-5(lines 410 418) no Hoare annotation was computed. [2020-10-20 01:42:37,653 INFO L270 CegarLoopResult]: At program point L381(lines 381 387) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (= 0 ~systemActive~0) .cse2 .cse3) (and .cse4 .cse0 .cse3 .cse5 (= ~methAndRunningLastTime~0 0)) (and .cse0 .cse2 .cse3 .cse5) (and .cse4 .cse0 .cse1 .cse3))) [2020-10-20 01:42:37,653 INFO L270 CegarLoopResult]: At program point L381-1(lines 381 387) the Hoare annotation is: false [2020-10-20 01:42:37,653 INFO L270 CegarLoopResult]: At program point L381-2(lines 381 387) the Hoare annotation is: false [2020-10-20 01:42:37,653 INFO L274 CegarLoopResult]: For program point L548(lines 548 554) no Hoare annotation was computed. [2020-10-20 01:42:37,654 INFO L270 CegarLoopResult]: At program point L548-1(lines 548 554) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:37,654 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:42:37,654 INFO L270 CegarLoopResult]: At program point L582(lines 1 959) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-10-20 01:42:37,654 INFO L274 CegarLoopResult]: For program point L318(lines 318 324) no Hoare annotation was computed. [2020-10-20 01:42:37,655 INFO L270 CegarLoopResult]: At program point L318-1(lines 318 324) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= ~methAndRunningLastTime~0 0))) (or (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) .cse3 .cse4 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2) (and .cse3 .cse5 .cse1 .cse6 .cse7) (and .cse5 .cse4 .cse0 .cse1 .cse2) (and .cse5 .cse0 .cse1 .cse6 .cse7 .cse2))) [2020-10-20 01:42:37,655 INFO L274 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2020-10-20 01:42:37,655 INFO L274 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2020-10-20 01:42:37,655 INFO L274 CegarLoopResult]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2020-10-20 01:42:37,655 INFO L270 CegarLoopResult]: At program point L485(lines 480 488) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse5 (<= 1 ~methaneLevelCritical~0))) (or (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse2 .cse4 .cse5) (and (<= 1 ~pumpRunning~0) .cse3 .cse2 .cse4 .cse5 (= ~methAndRunningLastTime~0 0)))) [2020-10-20 01:42:37,655 INFO L270 CegarLoopResult]: At program point L485-1(lines 480 488) the Hoare annotation is: false [2020-10-20 01:42:37,656 INFO L270 CegarLoopResult]: At program point L485-2(lines 480 488) the Hoare annotation is: false [2020-10-20 01:42:37,656 INFO L270 CegarLoopResult]: At program point L155-2(lines 155 169) the Hoare annotation is: false [2020-10-20 01:42:37,656 INFO L270 CegarLoopResult]: At program point L255(lines 250 257) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-10-20 01:42:37,656 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-20 01:42:37,656 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:42:37,657 INFO L270 CegarLoopResult]: At program point L356(lines 307 357) the Hoare annotation is: false [2020-10-20 01:42:37,657 INFO L270 CegarLoopResult]: At program point L92(lines 87 95) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2) (and .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= 1 ~methaneLevelCritical~0)))) [2020-10-20 01:42:37,657 INFO L270 CegarLoopResult]: At program point L92-1(lines 87 95) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= 0 ~systemActive~0) .cse1 .cse2) (and .cse5 .cse0 .cse6 .cse1 .cse2) (and .cse7 .cse0 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse7 .cse5 .cse0 .cse6 .cse2))) [2020-10-20 01:42:37,657 INFO L270 CegarLoopResult]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2020-10-20 01:42:37,657 INFO L270 CegarLoopResult]: At program point L92-3(lines 87 95) the Hoare annotation is: false [2020-10-20 01:42:37,658 INFO L270 CegarLoopResult]: At program point L92-4(lines 87 95) the Hoare annotation is: false [2020-10-20 01:42:37,658 INFO L270 CegarLoopResult]: At program point L92-5(lines 87 95) the Hoare annotation is: false [2020-10-20 01:42:37,658 INFO L274 CegarLoopResult]: For program point L159(lines 159 163) no Hoare annotation was computed. [2020-10-20 01:42:37,658 INFO L274 CegarLoopResult]: For program point L159-1(lines 374 380) no Hoare annotation was computed. [2020-10-20 01:42:37,658 INFO L274 CegarLoopResult]: For program point L292(line 292) no Hoare annotation was computed. [2020-10-20 01:42:37,659 INFO L274 CegarLoopResult]: For program point L292-1(line 292) no Hoare annotation was computed. [2020-10-20 01:42:37,659 INFO L274 CegarLoopResult]: For program point L292-2(line 292) no Hoare annotation was computed. [2020-10-20 01:42:37,659 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:42:37,660 INFO L270 CegarLoopResult]: At program point L590(lines 585 593) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-10-20 01:42:37,660 INFO L274 CegarLoopResult]: For program point L328(lines 328 334) no Hoare annotation was computed. [2020-10-20 01:42:37,660 INFO L270 CegarLoopResult]: At program point L328-1(lines 328 334) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= ~methAndRunningLastTime~0 0))) (or (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse5 .cse2) (and .cse3 .cse4 .cse1 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse5) (and .cse3 .cse4 .cse6 .cse1) (and .cse4 .cse6 .cse0 .cse1 .cse2) (and .cse4 .cse0 .cse1 .cse5 .cse2))) [2020-10-20 01:42:37,660 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:42:37,660 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:37,661 INFO L274 CegarLoopResult]: For program point L132(lines 132 138) no Hoare annotation was computed. [2020-10-20 01:42:37,661 INFO L274 CegarLoopResult]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2020-10-20 01:42:37,661 INFO L274 CegarLoopResult]: For program point L132-2(lines 132 138) no Hoare annotation was computed. [2020-10-20 01:42:37,661 INFO L274 CegarLoopResult]: For program point L132-3(lines 132 138) no Hoare annotation was computed. [2020-10-20 01:42:37,661 INFO L274 CegarLoopResult]: For program point L132-4(lines 132 138) no Hoare annotation was computed. [2020-10-20 01:42:37,661 INFO L274 CegarLoopResult]: For program point L132-5(lines 132 138) no Hoare annotation was computed. [2020-10-20 01:42:37,661 INFO L274 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-10-20 01:42:37,662 INFO L274 CegarLoopResult]: For program point L266(lines 266 283) no Hoare annotation was computed. [2020-10-20 01:42:37,662 INFO L274 CegarLoopResult]: For program point L233(lines 233 240) no Hoare annotation was computed. [2020-10-20 01:42:37,662 INFO L270 CegarLoopResult]: At program point L266-1(lines 1 959) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= ~methAndRunningLastTime~0 0))) (or (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) .cse3 .cse4 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2) (and .cse3 .cse5 .cse1 .cse6 .cse7) (and .cse5 .cse4 .cse0 .cse1 .cse2) (and .cse5 .cse0 .cse1 .cse6 .cse7 .cse2))) [2020-10-20 01:42:37,662 INFO L274 CegarLoopResult]: For program point L266-2(lines 266 283) no Hoare annotation was computed. [2020-10-20 01:42:37,662 INFO L277 CegarLoopResult]: At program point L233-1(lines 233 240) the Hoare annotation is: true [2020-10-20 01:42:37,663 INFO L270 CegarLoopResult]: At program point L266-3(lines 1 959) the Hoare annotation is: false [2020-10-20 01:42:37,663 INFO L274 CegarLoopResult]: For program point L266-4(lines 266 283) no Hoare annotation was computed. [2020-10-20 01:42:37,663 INFO L270 CegarLoopResult]: At program point L266-5(lines 1 959) the Hoare annotation is: false [2020-10-20 01:42:37,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:42:37 BoogieIcfgContainer [2020-10-20 01:42:37,724 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:42:37,724 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:42:37,724 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:42:37,725 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:42:37,725 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:29" (3/4) ... [2020-10-20 01:42:37,729 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:42:37,754 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:42:37,756 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:42:37,757 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:42:37,759 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:42:37,760 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:42:37,761 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:37,763 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:37,807 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((((tmp == 0 && 1 <= pumpRunning) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2020-10-20 01:42:37,809 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((((tmp == 0 && 1 <= pumpRunning) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2020-10-20 01:42:37,810 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2020-10-20 01:42:37,811 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2020-10-20 01:42:37,812 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2020-10-20 01:42:37,814 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) || ((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || ((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) [2020-10-20 01:42:37,815 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) [2020-10-20 01:42:37,816 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) [2020-10-20 01:42:37,819 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2020-10-20 01:42:37,820 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || (((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2020-10-20 01:42:37,824 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((!(tmp == 0) && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2020-10-20 01:42:37,938 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:42:37,938 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:42:37,939 INFO L168 Benchmark]: Toolchain (without parser) took 10512.68 ms. Allocated memory was 34.6 MB in the beginning and 114.3 MB in the end (delta: 79.7 MB). Free memory was 14.5 MB in the beginning and 74.3 MB in the end (delta: -59.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:37,940 INFO L168 Benchmark]: CDTParser took 0.70 ms. Allocated memory is still 33.0 MB. Free memory was 10.3 MB in the beginning and 10.3 MB in the end (delta: 42.2 kB). Peak memory consumption was 42.2 kB. Max. memory is 14.3 GB. [2020-10-20 01:42:37,940 INFO L168 Benchmark]: CACSL2BoogieTranslator took 621.78 ms. Allocated memory was 34.6 MB in the beginning and 43.0 MB in the end (delta: 8.4 MB). Free memory was 13.6 MB in the beginning and 14.5 MB in the end (delta: -937.8 kB). Peak memory consumption was 13.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:37,941 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.47 ms. Allocated memory was 43.0 MB in the beginning and 42.5 MB in the end (delta: -524.3 kB). Free memory was 14.5 MB in the beginning and 22.6 MB in the end (delta: -8.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:37,941 INFO L168 Benchmark]: Boogie Preprocessor took 48.80 ms. Allocated memory is still 42.5 MB. Free memory was 22.6 MB in the beginning and 19.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:37,942 INFO L168 Benchmark]: RCFGBuilder took 1079.77 ms. Allocated memory was 42.5 MB in the beginning and 56.1 MB in the end (delta: 13.6 MB). Free memory was 19.8 MB in the beginning and 23.2 MB in the end (delta: -3.4 MB). Peak memory consumption was 19.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:37,942 INFO L168 Benchmark]: TraceAbstraction took 8456.92 ms. Allocated memory was 56.1 MB in the beginning and 114.3 MB in the end (delta: 58.2 MB). Free memory was 22.8 MB in the beginning and 87.6 MB in the end (delta: -64.8 MB). Peak memory consumption was 72.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:37,943 INFO L168 Benchmark]: Witness Printer took 213.84 ms. Allocated memory is still 114.3 MB. Free memory was 87.6 MB in the beginning and 74.3 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:37,947 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70 ms. Allocated memory is still 33.0 MB. Free memory was 10.3 MB in the beginning and 10.3 MB in the end (delta: 42.2 kB). Peak memory consumption was 42.2 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 621.78 ms. Allocated memory was 34.6 MB in the beginning and 43.0 MB in the end (delta: 8.4 MB). Free memory was 13.6 MB in the beginning and 14.5 MB in the end (delta: -937.8 kB). Peak memory consumption was 13.2 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 82.47 ms. Allocated memory was 43.0 MB in the beginning and 42.5 MB in the end (delta: -524.3 kB). Free memory was 14.5 MB in the beginning and 22.6 MB in the end (delta: -8.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 48.80 ms. Allocated memory is still 42.5 MB. Free memory was 22.6 MB in the beginning and 19.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1079.77 ms. Allocated memory was 42.5 MB in the beginning and 56.1 MB in the end (delta: 13.6 MB). Free memory was 19.8 MB in the beginning and 23.2 MB in the end (delta: -3.4 MB). Peak memory consumption was 19.1 MB. Max. memory is 14.3 GB. * TraceAbstraction took 8456.92 ms. Allocated memory was 56.1 MB in the beginning and 114.3 MB in the end (delta: 58.2 MB). Free memory was 22.8 MB in the beginning and 87.6 MB in the end (delta: -64.8 MB). Peak memory consumption was 72.6 MB. Max. memory is 14.3 GB. * Witness Printer took 213.84 ms. Allocated memory is still 114.3 MB. Free memory was 87.6 MB in the beginning and 74.3 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: ((((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((((tmp == 0 && 1 <= pumpRunning) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) || ((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || ((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: ((((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((((tmp == 0 && 1 <= pumpRunning) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: (((((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((!(tmp == 0) && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: ((((0 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || (((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 120 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.9s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1241 SDtfs, 1403 SDslu, 1909 SDs, 0 SdLazy, 243 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 186 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=460occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 1473 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 154 NumberOfFragments, 902 HoareAnnotationTreeSize, 45 FomulaSimplifications, 246008 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 22379 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 557 NumberOfCodeBlocks, 557 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 542 ConstructedInterpolants, 0 QuantifiedInterpolants, 48360 SizeOfPredicates, 7 NumberOfNonLiveVariables, 880 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 79/98 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...