./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fedd38b3-5dfb-4c7e-a2ef-1fd1cc7e05d1/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_fedd38b3-5dfb-4c7e-a2ef-1fd1cc7e05d1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fedd38b3-5dfb-4c7e-a2ef-1fd1cc7e05d1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fedd38b3-5dfb-4c7e-a2ef-1fd1cc7e05d1/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fedd38b3-5dfb-4c7e-a2ef-1fd1cc7e05d1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fedd38b3-5dfb-4c7e-a2ef-1fd1cc7e05d1/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8a74a11a5d5c8fe8b4adcf5c10f76ddbc8ce0734 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:52:33,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:52:33,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:52:33,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:52:33,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:52:33,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:52:33,233 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:52:33,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:52:33,247 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:52:33,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:52:33,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:52:33,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:52:33,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:52:33,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:52:33,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:52:33,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:52:33,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:52:33,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:52:33,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:52:33,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:52:33,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:52:33,276 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:52:33,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:52:33,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:52:33,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:52:33,283 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:52:33,284 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:52:33,285 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:52:33,286 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:52:33,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:52:33,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:52:33,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:52:33,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:52:33,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:52:33,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:52:33,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:52:33,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:52:33,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:52:33,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:52:33,292 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:52:33,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:52:33,295 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fedd38b3-5dfb-4c7e-a2ef-1fd1cc7e05d1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:52:33,321 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:52:33,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:52:33,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:52:33,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:52:33,333 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:52:33,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:52:33,334 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:52:33,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:52:33,334 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:52:33,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:52:33,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:52:33,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:52:33,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:52:33,336 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:52:33,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:52:33,336 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:52:33,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:52:33,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:52:33,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:52:33,337 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:52:33,337 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:52:33,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:52:33,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:52:33,339 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:52:33,339 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:52:33,339 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:52:33,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:52:33,340 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:52:33,340 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_fedd38b3-5dfb-4c7e-a2ef-1fd1cc7e05d1/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a74a11a5d5c8fe8b4adcf5c10f76ddbc8ce0734 [2019-11-25 08:52:33,485 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:52:33,496 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:52:33,499 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:52:33,506 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:52:33,507 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:52:33,508 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fedd38b3-5dfb-4c7e-a2ef-1fd1cc7e05d1/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c [2019-11-25 08:52:33,564 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fedd38b3-5dfb-4c7e-a2ef-1fd1cc7e05d1/bin/uautomizer/data/0c5d6c1dc/1ba5295ba39f404aa2898133bb5aaf21/FLAG271feae05 [2019-11-25 08:52:34,005 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:52:34,006 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fedd38b3-5dfb-4c7e-a2ef-1fd1cc7e05d1/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c [2019-11-25 08:52:34,029 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fedd38b3-5dfb-4c7e-a2ef-1fd1cc7e05d1/bin/uautomizer/data/0c5d6c1dc/1ba5295ba39f404aa2898133bb5aaf21/FLAG271feae05 [2019-11-25 08:52:34,386 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fedd38b3-5dfb-4c7e-a2ef-1fd1cc7e05d1/bin/uautomizer/data/0c5d6c1dc/1ba5295ba39f404aa2898133bb5aaf21 [2019-11-25 08:52:34,389 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:52:34,390 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:52:34,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:52:34,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:52:34,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:52:34,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:52:34" (1/1) ... [2019-11-25 08:52:34,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a19833d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:34, skipping insertion in model container [2019-11-25 08:52:34,399 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:52:34" (1/1) ... [2019-11-25 08:52:34,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:52:34,478 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:52:34,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:52:34,934 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:52:35,012 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:52:35,055 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:52:35,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:35 WrapperNode [2019-11-25 08:52:35,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:52:35,056 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:52:35,056 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:52:35,056 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:52:35,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:35" (1/1) ... [2019-11-25 08:52:35,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:35" (1/1) ... [2019-11-25 08:52:35,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:52:35,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:52:35,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:52:35,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:52:35,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:35" (1/1) ... [2019-11-25 08:52:35,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:35" (1/1) ... [2019-11-25 08:52:35,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:35" (1/1) ... [2019-11-25 08:52:35,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:35" (1/1) ... [2019-11-25 08:52:35,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:35" (1/1) ... [2019-11-25 08:52:35,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:35" (1/1) ... [2019-11-25 08:52:35,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:35" (1/1) ... [2019-11-25 08:52:35,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:52:35,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:52:35,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:52:35,217 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:52:35,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fedd38b3-5dfb-4c7e-a2ef-1fd1cc7e05d1/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:52:35,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:52:35,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-25 08:52:35,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:52:35,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:52:36,264 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:52:36,264 INFO L284 CfgBuilder]: Removed 198 assume(true) statements. [2019-11-25 08:52:36,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:52:36 BoogieIcfgContainer [2019-11-25 08:52:36,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:52:36,267 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:52:36,267 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:52:36,269 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:52:36,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:52:34" (1/3) ... [2019-11-25 08:52:36,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7472c4ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:52:36, skipping insertion in model container [2019-11-25 08:52:36,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:35" (2/3) ... [2019-11-25 08:52:36,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7472c4ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:52:36, skipping insertion in model container [2019-11-25 08:52:36,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:52:36" (3/3) ... [2019-11-25 08:52:36,272 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product59.cil.c [2019-11-25 08:52:36,282 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:52:36,289 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-25 08:52:36,300 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-25 08:52:36,338 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:52:36,338 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:52:36,338 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:52:36,339 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:52:36,340 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:52:36,340 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:52:36,341 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:52:36,341 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:52:36,369 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2019-11-25 08:52:36,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-25 08:52:36,378 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:36,378 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:52:36,379 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:52:36,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:36,385 INFO L82 PathProgramCache]: Analyzing trace with hash -1941296929, now seen corresponding path program 1 times [2019-11-25 08:52:36,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:36,394 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936978629] [2019-11-25 08:52:36,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:36,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:36,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:36,661 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936978629] [2019-11-25 08:52:36,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:36,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:52:36,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260197279] [2019-11-25 08:52:36,668 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:52:36,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:36,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:52:36,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:52:36,680 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2019-11-25 08:52:36,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:36,710 INFO L93 Difference]: Finished difference Result 275 states and 414 transitions. [2019-11-25 08:52:36,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:52:36,711 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-25 08:52:36,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:52:36,723 INFO L225 Difference]: With dead ends: 275 [2019-11-25 08:52:36,723 INFO L226 Difference]: Without dead ends: 137 [2019-11-25 08:52:36,727 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:52:36,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-11-25 08:52:36,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-11-25 08:52:36,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-11-25 08:52:36,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 199 transitions. [2019-11-25 08:52:36,770 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 199 transitions. Word has length 18 [2019-11-25 08:52:36,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:52:36,771 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 199 transitions. [2019-11-25 08:52:36,771 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:52:36,771 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 199 transitions. [2019-11-25 08:52:36,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-25 08:52:36,772 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:36,773 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:52:36,773 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:52:36,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:36,773 INFO L82 PathProgramCache]: Analyzing trace with hash 530190787, now seen corresponding path program 1 times [2019-11-25 08:52:36,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:36,774 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396688890] [2019-11-25 08:52:36,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:36,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:36,903 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396688890] [2019-11-25 08:52:36,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:36,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:52:36,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219217121] [2019-11-25 08:52:36,905 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:52:36,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:36,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:52:36,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:52:36,906 INFO L87 Difference]: Start difference. First operand 137 states and 199 transitions. Second operand 3 states. [2019-11-25 08:52:36,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:36,925 INFO L93 Difference]: Finished difference Result 137 states and 199 transitions. [2019-11-25 08:52:36,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:52:36,925 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-25 08:52:36,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:52:36,926 INFO L225 Difference]: With dead ends: 137 [2019-11-25 08:52:36,927 INFO L226 Difference]: Without dead ends: 57 [2019-11-25 08:52:36,928 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:52:36,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-25 08:52:36,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-25 08:52:36,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-25 08:52:36,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 82 transitions. [2019-11-25 08:52:36,934 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 82 transitions. Word has length 19 [2019-11-25 08:52:36,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:52:36,935 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 82 transitions. [2019-11-25 08:52:36,935 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:52:36,935 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2019-11-25 08:52:36,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-25 08:52:36,936 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:36,936 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:52:36,936 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:52:36,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:36,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1901621695, now seen corresponding path program 1 times [2019-11-25 08:52:36,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:36,937 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616302533] [2019-11-25 08:52:36,938 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:36,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:37,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:37,082 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616302533] [2019-11-25 08:52:37,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:37,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:52:37,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117311520] [2019-11-25 08:52:37,083 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:52:37,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:37,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:52:37,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:52:37,084 INFO L87 Difference]: Start difference. First operand 57 states and 82 transitions. Second operand 6 states. [2019-11-25 08:52:37,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:37,305 INFO L93 Difference]: Finished difference Result 181 states and 268 transitions. [2019-11-25 08:52:37,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:52:37,307 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-11-25 08:52:37,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:52:37,308 INFO L225 Difference]: With dead ends: 181 [2019-11-25 08:52:37,309 INFO L226 Difference]: Without dead ends: 131 [2019-11-25 08:52:37,309 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:52:37,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-11-25 08:52:37,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 77. [2019-11-25 08:52:37,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-11-25 08:52:37,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 113 transitions. [2019-11-25 08:52:37,333 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 113 transitions. Word has length 24 [2019-11-25 08:52:37,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:52:37,333 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 113 transitions. [2019-11-25 08:52:37,339 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:52:37,339 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 113 transitions. [2019-11-25 08:52:37,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-25 08:52:37,340 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:37,340 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:52:37,341 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:52:37,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:37,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1082042232, now seen corresponding path program 1 times [2019-11-25 08:52:37,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:37,342 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749293886] [2019-11-25 08:52:37,342 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:37,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:37,421 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749293886] [2019-11-25 08:52:37,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:37,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:52:37,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684042179] [2019-11-25 08:52:37,422 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:52:37,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:37,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:52:37,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:52:37,422 INFO L87 Difference]: Start difference. First operand 77 states and 113 transitions. Second operand 3 states. [2019-11-25 08:52:37,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:37,479 INFO L93 Difference]: Finished difference Result 169 states and 251 transitions. [2019-11-25 08:52:37,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:52:37,480 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-25 08:52:37,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:52:37,481 INFO L225 Difference]: With dead ends: 169 [2019-11-25 08:52:37,481 INFO L226 Difference]: Without dead ends: 99 [2019-11-25 08:52:37,482 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:52:37,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-11-25 08:52:37,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97. [2019-11-25 08:52:37,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-11-25 08:52:37,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 139 transitions. [2019-11-25 08:52:37,495 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 139 transitions. Word has length 26 [2019-11-25 08:52:37,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:52:37,495 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 139 transitions. [2019-11-25 08:52:37,496 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:52:37,496 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 139 transitions. [2019-11-25 08:52:37,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-25 08:52:37,497 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:37,497 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:52:37,498 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:52:37,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:37,498 INFO L82 PathProgramCache]: Analyzing trace with hash -2071837624, now seen corresponding path program 1 times [2019-11-25 08:52:37,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:37,499 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381979115] [2019-11-25 08:52:37,499 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:37,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:37,583 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381979115] [2019-11-25 08:52:37,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:37,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:52:37,584 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135277418] [2019-11-25 08:52:37,584 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:52:37,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:37,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:52:37,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:52:37,585 INFO L87 Difference]: Start difference. First operand 97 states and 139 transitions. Second operand 5 states. [2019-11-25 08:52:37,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:37,729 INFO L93 Difference]: Finished difference Result 355 states and 513 transitions. [2019-11-25 08:52:37,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 08:52:37,729 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-11-25 08:52:37,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:52:37,732 INFO L225 Difference]: With dead ends: 355 [2019-11-25 08:52:37,732 INFO L226 Difference]: Without dead ends: 265 [2019-11-25 08:52:37,733 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-25 08:52:37,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2019-11-25 08:52:37,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 95. [2019-11-25 08:52:37,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-11-25 08:52:37,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 133 transitions. [2019-11-25 08:52:37,748 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 133 transitions. Word has length 27 [2019-11-25 08:52:37,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:52:37,748 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 133 transitions. [2019-11-25 08:52:37,748 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:52:37,748 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 133 transitions. [2019-11-25 08:52:37,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-25 08:52:37,750 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:37,750 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:52:37,750 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:52:37,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:37,751 INFO L82 PathProgramCache]: Analyzing trace with hash -413684142, now seen corresponding path program 1 times [2019-11-25 08:52:37,751 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:37,751 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694062710] [2019-11-25 08:52:37,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:37,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:37,834 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694062710] [2019-11-25 08:52:37,835 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:37,835 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:52:37,835 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589388585] [2019-11-25 08:52:37,836 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:52:37,836 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:37,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:52:37,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:52:37,837 INFO L87 Difference]: Start difference. First operand 95 states and 133 transitions. Second operand 4 states. [2019-11-25 08:52:37,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:37,887 INFO L93 Difference]: Finished difference Result 269 states and 381 transitions. [2019-11-25 08:52:37,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:52:37,888 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2019-11-25 08:52:37,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:52:37,890 INFO L225 Difference]: With dead ends: 269 [2019-11-25 08:52:37,890 INFO L226 Difference]: Without dead ends: 181 [2019-11-25 08:52:37,891 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:52:37,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2019-11-25 08:52:37,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 99. [2019-11-25 08:52:37,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-11-25 08:52:37,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 137 transitions. [2019-11-25 08:52:37,907 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 137 transitions. Word has length 35 [2019-11-25 08:52:37,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:52:37,908 INFO L462 AbstractCegarLoop]: Abstraction has 99 states and 137 transitions. [2019-11-25 08:52:37,908 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:52:37,908 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 137 transitions. [2019-11-25 08:52:37,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-25 08:52:37,914 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:37,914 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:52:37,917 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:52:37,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:37,918 INFO L82 PathProgramCache]: Analyzing trace with hash 597433108, now seen corresponding path program 1 times [2019-11-25 08:52:37,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:37,918 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076108842] [2019-11-25 08:52:37,919 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:37,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:37,986 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076108842] [2019-11-25 08:52:37,986 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:37,986 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:52:37,987 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528652733] [2019-11-25 08:52:37,987 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:52:37,987 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:37,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:52:37,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:52:37,988 INFO L87 Difference]: Start difference. First operand 99 states and 137 transitions. Second operand 5 states. [2019-11-25 08:52:38,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:38,064 INFO L93 Difference]: Finished difference Result 276 states and 384 transitions. [2019-11-25 08:52:38,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:52:38,064 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2019-11-25 08:52:38,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:52:38,066 INFO L225 Difference]: With dead ends: 276 [2019-11-25 08:52:38,066 INFO L226 Difference]: Without dead ends: 184 [2019-11-25 08:52:38,067 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:52:38,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2019-11-25 08:52:38,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 105. [2019-11-25 08:52:38,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-11-25 08:52:38,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 143 transitions. [2019-11-25 08:52:38,080 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 143 transitions. Word has length 35 [2019-11-25 08:52:38,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:52:38,080 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 143 transitions. [2019-11-25 08:52:38,080 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:52:38,080 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 143 transitions. [2019-11-25 08:52:38,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-25 08:52:38,081 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:38,081 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:52:38,081 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:52:38,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:38,082 INFO L82 PathProgramCache]: Analyzing trace with hash -1434752496, now seen corresponding path program 1 times [2019-11-25 08:52:38,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:38,082 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604521115] [2019-11-25 08:52:38,082 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:38,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:38,129 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604521115] [2019-11-25 08:52:38,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:38,129 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:52:38,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422698084] [2019-11-25 08:52:38,130 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:52:38,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:38,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:52:38,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:52:38,130 INFO L87 Difference]: Start difference. First operand 105 states and 143 transitions. Second operand 3 states. [2019-11-25 08:52:38,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:38,160 INFO L93 Difference]: Finished difference Result 249 states and 341 transitions. [2019-11-25 08:52:38,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:52:38,161 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2019-11-25 08:52:38,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:52:38,162 INFO L225 Difference]: With dead ends: 249 [2019-11-25 08:52:38,163 INFO L226 Difference]: Without dead ends: 151 [2019-11-25 08:52:38,163 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:52:38,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2019-11-25 08:52:38,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2019-11-25 08:52:38,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-11-25 08:52:38,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 202 transitions. [2019-11-25 08:52:38,187 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 202 transitions. Word has length 35 [2019-11-25 08:52:38,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:52:38,188 INFO L462 AbstractCegarLoop]: Abstraction has 151 states and 202 transitions. [2019-11-25 08:52:38,188 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:52:38,188 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 202 transitions. [2019-11-25 08:52:38,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-25 08:52:38,191 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:38,191 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:52:38,191 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:52:38,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:38,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1759410992, now seen corresponding path program 1 times [2019-11-25 08:52:38,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:38,192 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835588399] [2019-11-25 08:52:38,193 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:38,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:38,246 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835588399] [2019-11-25 08:52:38,246 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:38,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:52:38,246 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062443818] [2019-11-25 08:52:38,247 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:52:38,247 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:38,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:52:38,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:52:38,247 INFO L87 Difference]: Start difference. First operand 151 states and 202 transitions. Second operand 3 states. [2019-11-25 08:52:38,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:38,304 INFO L93 Difference]: Finished difference Result 225 states and 302 transitions. [2019-11-25 08:52:38,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:52:38,305 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-11-25 08:52:38,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:52:38,307 INFO L225 Difference]: With dead ends: 225 [2019-11-25 08:52:38,307 INFO L226 Difference]: Without dead ends: 223 [2019-11-25 08:52:38,307 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:52:38,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2019-11-25 08:52:38,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 203. [2019-11-25 08:52:38,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2019-11-25 08:52:38,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 278 transitions. [2019-11-25 08:52:38,342 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 278 transitions. Word has length 36 [2019-11-25 08:52:38,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:52:38,344 INFO L462 AbstractCegarLoop]: Abstraction has 203 states and 278 transitions. [2019-11-25 08:52:38,344 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:52:38,344 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 278 transitions. [2019-11-25 08:52:38,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-25 08:52:38,346 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:38,347 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:52:38,347 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:52:38,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:38,348 INFO L82 PathProgramCache]: Analyzing trace with hash -321551471, now seen corresponding path program 1 times [2019-11-25 08:52:38,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:38,348 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005314195] [2019-11-25 08:52:38,349 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:38,518 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-25 08:52:38,519 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005314195] [2019-11-25 08:52:38,519 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:38,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:52:38,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919183497] [2019-11-25 08:52:38,521 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:52:38,521 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:38,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:52:38,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:52:38,525 INFO L87 Difference]: Start difference. First operand 203 states and 278 transitions. Second operand 5 states. [2019-11-25 08:52:38,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:38,692 INFO L93 Difference]: Finished difference Result 666 states and 917 transitions. [2019-11-25 08:52:38,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:52:38,693 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2019-11-25 08:52:38,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:52:38,696 INFO L225 Difference]: With dead ends: 666 [2019-11-25 08:52:38,696 INFO L226 Difference]: Without dead ends: 470 [2019-11-25 08:52:38,697 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:52:38,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2019-11-25 08:52:38,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 334. [2019-11-25 08:52:38,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2019-11-25 08:52:38,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 449 transitions. [2019-11-25 08:52:38,732 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 449 transitions. Word has length 60 [2019-11-25 08:52:38,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:52:38,732 INFO L462 AbstractCegarLoop]: Abstraction has 334 states and 449 transitions. [2019-11-25 08:52:38,733 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:52:38,733 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 449 transitions. [2019-11-25 08:52:38,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-25 08:52:38,734 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:38,734 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:52:38,734 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:52:38,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:38,735 INFO L82 PathProgramCache]: Analyzing trace with hash 790230153, now seen corresponding path program 1 times [2019-11-25 08:52:38,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:38,735 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182648434] [2019-11-25 08:52:38,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:38,832 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-25 08:52:38,832 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182648434] [2019-11-25 08:52:38,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:38,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 08:52:38,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101023529] [2019-11-25 08:52:38,834 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:52:38,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:38,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:52:38,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:52:38,834 INFO L87 Difference]: Start difference. First operand 334 states and 449 transitions. Second operand 6 states. [2019-11-25 08:52:39,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:39,111 INFO L93 Difference]: Finished difference Result 963 states and 1291 transitions. [2019-11-25 08:52:39,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-25 08:52:39,112 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2019-11-25 08:52:39,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:52:39,115 INFO L225 Difference]: With dead ends: 963 [2019-11-25 08:52:39,116 INFO L226 Difference]: Without dead ends: 636 [2019-11-25 08:52:39,117 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-11-25 08:52:39,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2019-11-25 08:52:39,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 308. [2019-11-25 08:52:39,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2019-11-25 08:52:39,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 405 transitions. [2019-11-25 08:52:39,152 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 405 transitions. Word has length 61 [2019-11-25 08:52:39,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:52:39,153 INFO L462 AbstractCegarLoop]: Abstraction has 308 states and 405 transitions. [2019-11-25 08:52:39,153 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:52:39,153 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 405 transitions. [2019-11-25 08:52:39,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-25 08:52:39,154 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:39,155 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:52:39,155 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:52:39,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:39,155 INFO L82 PathProgramCache]: Analyzing trace with hash -592648286, now seen corresponding path program 1 times [2019-11-25 08:52:39,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:39,156 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407790930] [2019-11-25 08:52:39,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:39,304 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-25 08:52:39,305 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407790930] [2019-11-25 08:52:39,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:39,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:52:39,305 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119327267] [2019-11-25 08:52:39,306 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:52:39,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:39,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:52:39,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:52:39,307 INFO L87 Difference]: Start difference. First operand 308 states and 405 transitions. Second operand 5 states. [2019-11-25 08:52:39,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:39,650 INFO L93 Difference]: Finished difference Result 933 states and 1253 transitions. [2019-11-25 08:52:39,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:52:39,651 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2019-11-25 08:52:39,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:52:39,656 INFO L225 Difference]: With dead ends: 933 [2019-11-25 08:52:39,656 INFO L226 Difference]: Without dead ends: 720 [2019-11-25 08:52:39,657 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-25 08:52:39,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2019-11-25 08:52:39,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 399. [2019-11-25 08:52:39,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2019-11-25 08:52:39,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 530 transitions. [2019-11-25 08:52:39,711 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 530 transitions. Word has length 82 [2019-11-25 08:52:39,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:52:39,712 INFO L462 AbstractCegarLoop]: Abstraction has 399 states and 530 transitions. [2019-11-25 08:52:39,712 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:52:39,712 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 530 transitions. [2019-11-25 08:52:39,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-25 08:52:39,713 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:39,713 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:52:39,714 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:52:39,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:39,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1613716640, now seen corresponding path program 1 times [2019-11-25 08:52:39,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:39,715 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271154478] [2019-11-25 08:52:39,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:39,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:39,778 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:39,778 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271154478] [2019-11-25 08:52:39,779 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015282862] [2019-11-25 08:52:39,779 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fedd38b3-5dfb-4c7e-a2ef-1fd1cc7e05d1/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:52:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:40,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-25 08:52:40,014 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:52:40,056 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:40,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 08:52:40,057 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2019-11-25 08:52:40,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116868971] [2019-11-25 08:52:40,057 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:52:40,058 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:40,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:52:40,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:52:40,058 INFO L87 Difference]: Start difference. First operand 399 states and 530 transitions. Second operand 4 states. [2019-11-25 08:52:40,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:40,271 INFO L93 Difference]: Finished difference Result 1262 states and 1684 transitions. [2019-11-25 08:52:40,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:52:40,271 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2019-11-25 08:52:40,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:52:40,277 INFO L225 Difference]: With dead ends: 1262 [2019-11-25 08:52:40,277 INFO L226 Difference]: Without dead ends: 867 [2019-11-25 08:52:40,278 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:52:40,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2019-11-25 08:52:40,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 857. [2019-11-25 08:52:40,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 857 states. [2019-11-25 08:52:40,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1130 transitions. [2019-11-25 08:52:40,459 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1130 transitions. Word has length 82 [2019-11-25 08:52:40,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:52:40,460 INFO L462 AbstractCegarLoop]: Abstraction has 857 states and 1130 transitions. [2019-11-25 08:52:40,460 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:52:40,460 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1130 transitions. [2019-11-25 08:52:40,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-25 08:52:40,467 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:40,467 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:52:40,671 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:52:40,671 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:52:40,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:40,671 INFO L82 PathProgramCache]: Analyzing trace with hash -987015072, now seen corresponding path program 1 times [2019-11-25 08:52:40,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:40,672 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759662128] [2019-11-25 08:52:40,672 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:40,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:40,732 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-25 08:52:40,732 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759662128] [2019-11-25 08:52:40,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:40,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:52:40,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985419783] [2019-11-25 08:52:40,734 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:52:40,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:40,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:52:40,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:52:40,735 INFO L87 Difference]: Start difference. First operand 857 states and 1130 transitions. Second operand 5 states. [2019-11-25 08:52:40,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:40,879 INFO L93 Difference]: Finished difference Result 1598 states and 2091 transitions. [2019-11-25 08:52:40,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:52:40,880 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2019-11-25 08:52:40,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:52:40,884 INFO L225 Difference]: With dead ends: 1598 [2019-11-25 08:52:40,885 INFO L226 Difference]: Without dead ends: 748 [2019-11-25 08:52:40,886 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:52:40,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2019-11-25 08:52:40,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 404. [2019-11-25 08:52:40,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2019-11-25 08:52:40,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 517 transitions. [2019-11-25 08:52:40,947 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 517 transitions. Word has length 82 [2019-11-25 08:52:40,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:52:40,948 INFO L462 AbstractCegarLoop]: Abstraction has 404 states and 517 transitions. [2019-11-25 08:52:40,948 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:52:40,948 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 517 transitions. [2019-11-25 08:52:40,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-25 08:52:40,949 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:40,950 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:52:40,950 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:52:40,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:40,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1917155008, now seen corresponding path program 2 times [2019-11-25 08:52:40,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:40,951 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805720208] [2019-11-25 08:52:40,951 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:40,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:41,061 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-25 08:52:41,061 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805720208] [2019-11-25 08:52:41,062 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878018043] [2019-11-25 08:52:41,062 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fedd38b3-5dfb-4c7e-a2ef-1fd1cc7e05d1/bin/uautomizer/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 [2019-11-25 08:52:41,262 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-11-25 08:52:41,262 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-25 08:52:41,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-25 08:52:41,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:52:41,285 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:52:41,306 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-25 08:52:41,307 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 08:52:41,307 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2019-11-25 08:52:41,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788770254] [2019-11-25 08:52:41,314 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:52:41,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:41,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:52:41,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:52:41,315 INFO L87 Difference]: Start difference. First operand 404 states and 517 transitions. Second operand 6 states. [2019-11-25 08:52:41,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:41,552 INFO L93 Difference]: Finished difference Result 932 states and 1193 transitions. [2019-11-25 08:52:41,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:52:41,552 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2019-11-25 08:52:41,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:52:41,553 INFO L225 Difference]: With dead ends: 932 [2019-11-25 08:52:41,553 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:52:41,554 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2019-11-25 08:52:41,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:52:41,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:52:41,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:52:41,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:52:41,555 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2019-11-25 08:52:41,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:52:41,555 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:52:41,555 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:52:41,555 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:52:41,556 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:52:41,762 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:52:41,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-25 08:52:42,067 WARN L192 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 175 [2019-11-25 08:52:42,384 WARN L192 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2019-11-25 08:52:42,908 WARN L192 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 220 [2019-11-25 08:52:43,179 WARN L192 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 171 [2019-11-25 08:52:43,371 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 110 [2019-11-25 08:52:43,621 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 177 [2019-11-25 08:52:43,990 WARN L192 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 214 [2019-11-25 08:52:44,377 WARN L192 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 210 [2019-11-25 08:52:44,489 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 138 [2019-11-25 08:52:44,756 WARN L192 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 212 [2019-11-25 08:52:45,624 WARN L192 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 36 [2019-11-25 08:52:45,942 WARN L192 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 16 [2019-11-25 08:52:46,723 WARN L192 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 39 [2019-11-25 08:52:47,839 WARN L192 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 218 DAG size of output: 34 [2019-11-25 08:52:48,053 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 40 [2019-11-25 08:52:48,595 WARN L192 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 36 [2019-11-25 08:52:48,773 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 28 [2019-11-25 08:52:48,884 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 23 [2019-11-25 08:52:49,196 WARN L192 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 24 [2019-11-25 08:52:49,359 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 26 [2019-11-25 08:52:49,926 WARN L192 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 29 [2019-11-25 08:52:50,738 WARN L192 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 30 [2019-11-25 08:52:51,683 WARN L192 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 26 [2019-11-25 08:52:52,092 WARN L192 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 37 [2019-11-25 08:52:53,011 WARN L192 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 32 [2019-11-25 08:52:53,014 INFO L440 ceAbstractionStarter]: At program point L68-3(lines 67 86) the Hoare annotation is: false [2019-11-25 08:52:53,014 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-25 08:52:53,014 INFO L440 ceAbstractionStarter]: At program point L367(lines 362 369) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0) (<= 0 ~methaneLevelCritical~0)) [2019-11-25 08:52:53,014 INFO L444 ceAbstractionStarter]: For program point L334(lines 334 347) no Hoare annotation was computed. [2019-11-25 08:52:53,014 INFO L444 ceAbstractionStarter]: For program point L104(lines 104 112) no Hoare annotation was computed. [2019-11-25 08:52:53,015 INFO L444 ceAbstractionStarter]: For program point L104-1(lines 104 112) no Hoare annotation was computed. [2019-11-25 08:52:53,015 INFO L444 ceAbstractionStarter]: For program point L104-2(lines 104 112) no Hoare annotation was computed. [2019-11-25 08:52:53,015 INFO L444 ceAbstractionStarter]: For program point L104-3(lines 104 112) no Hoare annotation was computed. [2019-11-25 08:52:53,015 INFO L444 ceAbstractionStarter]: For program point L104-4(lines 104 112) no Hoare annotation was computed. [2019-11-25 08:52:53,015 INFO L444 ceAbstractionStarter]: For program point L104-5(lines 104 112) no Hoare annotation was computed. [2019-11-25 08:52:53,015 INFO L440 ceAbstractionStarter]: At program point L271(lines 256 274) the Hoare annotation is: (let ((.cse0 (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse1 (= 1 |ULTIMATE.start_isLowWaterLevel_#res|)) (.cse2 (= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (let ((.cse8 (= 0 ~waterLevel~0))) (or (and (not .cse8) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~4)) (and (= 1 ULTIMATE.start_isLowWaterLevel_~tmp~4) .cse8)))) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and .cse0 (<= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 0 ~methaneLevelCritical~0)) (and (let ((.cse7 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 .cse7 (= 0 ~methAndRunningLastTime~0)))) .cse3))) [2019-11-25 08:52:53,015 INFO L440 ceAbstractionStarter]: At program point L271-1(lines 256 274) the Hoare annotation is: false [2019-11-25 08:52:53,015 INFO L440 ceAbstractionStarter]: At program point L271-2(lines 256 274) the Hoare annotation is: false [2019-11-25 08:52:53,016 INFO L444 ceAbstractionStarter]: For program point L932(lines 932 936) no Hoare annotation was computed. [2019-11-25 08:52:53,016 INFO L444 ceAbstractionStarter]: For program point L305(lines 304 351) no Hoare annotation was computed. [2019-11-25 08:52:53,016 INFO L444 ceAbstractionStarter]: For program point L306(lines 306 310) no Hoare annotation was computed. [2019-11-25 08:52:53,016 INFO L440 ceAbstractionStarter]: At program point L75(lines 75 81) the Hoare annotation is: (let ((.cse0 (<= ~methaneLevelCritical~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (<= 0 ~methaneLevelCritical~0))) (or (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (and .cse3 .cse4 .cse1 (= 1 ~methaneLevelCritical~0)) (and .cse0 .cse3 .cse4 .cse1 .cse2))) [2019-11-25 08:52:53,016 INFO L440 ceAbstractionStarter]: At program point L75-1(lines 75 81) the Hoare annotation is: false [2019-11-25 08:52:53,016 INFO L440 ceAbstractionStarter]: At program point L75-2(lines 75 81) the Hoare annotation is: false [2019-11-25 08:52:53,016 INFO L440 ceAbstractionStarter]: At program point L1000(lines 995 1003) the Hoare annotation is: (let ((.cse0 (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 1 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0)) (and .cse0 (<= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 (<= 0 ~methaneLevelCritical~0)))) [2019-11-25 08:52:53,016 INFO L440 ceAbstractionStarter]: At program point L1000-1(lines 995 1003) the Hoare annotation is: false [2019-11-25 08:52:53,016 INFO L440 ceAbstractionStarter]: At program point L1000-2(lines 995 1003) the Hoare annotation is: false [2019-11-25 08:52:53,017 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-25 08:52:53,017 INFO L444 ceAbstractionStarter]: For program point L340(lines 340 346) no Hoare annotation was computed. [2019-11-25 08:52:53,017 INFO L440 ceAbstractionStarter]: At program point L340-1(lines 68 74) the Hoare annotation is: (let ((.cse2 (= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse7 (<= ~methaneLevelCritical~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse8 (<= 0 ~methaneLevelCritical~0))) (or (and (or (and .cse0 .cse1 .cse2 .cse3) (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0 .cse1 .cse2)) .cse4) (and .cse5 .cse6 .cse1 .cse2 .cse3) (and .cse7 .cse5 .cse6 .cse1 .cse8) (and .cse7 .cse4 .cse0 .cse1 .cse8))) [2019-11-25 08:52:53,017 INFO L444 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-11-25 08:52:53,017 INFO L444 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-11-25 08:52:53,017 INFO L444 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-11-25 08:52:53,017 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 395) no Hoare annotation was computed. [2019-11-25 08:52:53,017 INFO L440 ceAbstractionStarter]: At program point L378-1(lines 1 1003) the Hoare annotation is: (let ((.cse7 (not (= 0 ~systemActive~0))) (.cse4 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse5 (<= ~methaneLevelCritical~0 0)) (.cse6 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~6 ~methaneLevelCritical~0)) (.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse8 (<= 0 ~methaneLevelCritical~0))) (or (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0 .cse1 .cse2 (= 1 ~methaneLevelCritical~0) .cse3) (and .cse4 .cse5 (<= 2 ~waterLevel~0) .cse6 .cse7 .cse2 .cse3 .cse8) (and .cse5 (= 1 ~waterLevel~0) .cse1 .cse7 .cse2 .cse3 .cse8) (and .cse4 .cse5 .cse6 .cse0 .cse1 .cse2 .cse3 .cse8))) [2019-11-25 08:52:53,018 INFO L440 ceAbstractionStarter]: At program point L411-2(lines 411 425) the Hoare annotation is: false [2019-11-25 08:52:53,018 INFO L444 ceAbstractionStarter]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2019-11-25 08:52:53,018 INFO L444 ceAbstractionStarter]: For program point L279(lines 279 285) no Hoare annotation was computed. [2019-11-25 08:52:53,018 INFO L440 ceAbstractionStarter]: At program point L378-3(lines 1 1003) the Hoare annotation is: false [2019-11-25 08:52:53,018 INFO L440 ceAbstractionStarter]: At program point L279-1(lines 279 285) the Hoare annotation is: (let ((.cse3 (<= 1 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (let ((.cse2 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 (= 0 ~methAndRunningLastTime~0)) (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0 .cse1 .cse2))) .cse3) (and (<= ~methaneLevelCritical~0 0) .cse3 .cse0 .cse1 (<= 0 ~methaneLevelCritical~0)))) [2019-11-25 08:52:53,018 INFO L444 ceAbstractionStarter]: For program point L246(lines 246 250) no Hoare annotation was computed. [2019-11-25 08:52:53,018 INFO L444 ceAbstractionStarter]: For program point L378-4(lines 378 395) no Hoare annotation was computed. [2019-11-25 08:52:53,018 INFO L440 ceAbstractionStarter]: At program point L378-5(lines 1 1003) the Hoare annotation is: false [2019-11-25 08:52:53,018 INFO L444 ceAbstractionStarter]: For program point L246-2(lines 246 250) no Hoare annotation was computed. [2019-11-25 08:52:53,018 INFO L444 ceAbstractionStarter]: For program point L246-3(lines 246 250) no Hoare annotation was computed. [2019-11-25 08:52:53,019 INFO L444 ceAbstractionStarter]: For program point L246-5(lines 246 250) no Hoare annotation was computed. [2019-11-25 08:52:53,019 INFO L444 ceAbstractionStarter]: For program point L246-6(lines 246 250) no Hoare annotation was computed. [2019-11-25 08:52:53,019 INFO L444 ceAbstractionStarter]: For program point L246-8(lines 246 250) no Hoare annotation was computed. [2019-11-25 08:52:53,019 INFO L444 ceAbstractionStarter]: For program point L246-9(lines 246 250) no Hoare annotation was computed. [2019-11-25 08:52:53,019 INFO L444 ceAbstractionStarter]: For program point L246-11(lines 246 250) no Hoare annotation was computed. [2019-11-25 08:52:53,019 INFO L444 ceAbstractionStarter]: For program point L246-12(lines 246 250) no Hoare annotation was computed. [2019-11-25 08:52:53,019 INFO L444 ceAbstractionStarter]: For program point L246-14(lines 246 250) no Hoare annotation was computed. [2019-11-25 08:52:53,019 INFO L444 ceAbstractionStarter]: For program point L246-15(lines 246 250) no Hoare annotation was computed. [2019-11-25 08:52:53,019 INFO L444 ceAbstractionStarter]: For program point L246-17(lines 246 250) no Hoare annotation was computed. [2019-11-25 08:52:53,019 INFO L444 ceAbstractionStarter]: For program point L412(line 412) no Hoare annotation was computed. [2019-11-25 08:52:53,019 INFO L444 ceAbstractionStarter]: For program point L908(lines 908 912) no Hoare annotation was computed. [2019-11-25 08:52:53,020 INFO L444 ceAbstractionStarter]: For program point L908-3(lines 908 912) no Hoare annotation was computed. [2019-11-25 08:52:53,020 INFO L444 ceAbstractionStarter]: For program point L908-6(lines 908 912) no Hoare annotation was computed. [2019-11-25 08:52:53,020 INFO L444 ceAbstractionStarter]: For program point L314(lines 314 320) no Hoare annotation was computed. [2019-11-25 08:52:53,020 INFO L440 ceAbstractionStarter]: At program point L314-1(lines 314 320) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse6 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~6 ~methaneLevelCritical~0)) (.cse5 (<= ~methaneLevelCritical~0 0)) (.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse7 (not (= 0 ~systemActive~0))) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse8 (<= 0 ~methaneLevelCritical~0))) (or (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0 .cse1 .cse2 (= 1 ~methaneLevelCritical~0) .cse3) (and .cse4 .cse5 (<= 2 ~waterLevel~0) .cse6 .cse7 .cse2 .cse3 .cse8) (and .cse4 .cse5 .cse6 .cse0 .cse1 .cse2 .cse3 .cse8) (and .cse5 .cse0 .cse1 .cse7 .cse2 .cse3 .cse8))) [2019-11-25 08:52:53,020 INFO L444 ceAbstractionStarter]: For program point L415(lines 415 419) no Hoare annotation was computed. [2019-11-25 08:52:53,020 INFO L444 ceAbstractionStarter]: For program point L382(lines 382 392) no Hoare annotation was computed. [2019-11-25 08:52:53,020 INFO L444 ceAbstractionStarter]: For program point L415-1(lines 68 74) no Hoare annotation was computed. [2019-11-25 08:52:53,020 INFO L444 ceAbstractionStarter]: For program point L382-2(lines 382 392) no Hoare annotation was computed. [2019-11-25 08:52:53,020 INFO L444 ceAbstractionStarter]: For program point L382-4(lines 382 392) no Hoare annotation was computed. [2019-11-25 08:52:53,020 INFO L444 ceAbstractionStarter]: For program point L383(lines 383 389) no Hoare annotation was computed. [2019-11-25 08:52:53,020 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-25 08:52:53,021 INFO L444 ceAbstractionStarter]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2019-11-25 08:52:53,021 INFO L444 ceAbstractionStarter]: For program point L383-4(lines 383 389) no Hoare annotation was computed. [2019-11-25 08:52:53,021 INFO L440 ceAbstractionStarter]: At program point L945(lines 940 948) the Hoare annotation is: false [2019-11-25 08:52:53,021 INFO L440 ceAbstractionStarter]: At program point L945-1(lines 940 948) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 (<= 0 ~methaneLevelCritical~0)) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2 .cse3 (= 1 ~methaneLevelCritical~0)))) [2019-11-25 08:52:53,021 INFO L440 ceAbstractionStarter]: At program point L945-2(lines 940 948) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (<= ~methaneLevelCritical~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (<= 0 ~methaneLevelCritical~0))) (or (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0 .cse1 .cse2 (= 1 ~methaneLevelCritical~0)) (and .cse3 .cse4 .cse0 .cse1 .cse2 .cse5) (and .cse3 (<= 2 ~waterLevel~0) .cse4 (not (= 0 ~systemActive~0)) .cse2 .cse5))) [2019-11-25 08:52:53,021 INFO L440 ceAbstractionStarter]: At program point L945-3(lines 940 948) the Hoare annotation is: false [2019-11-25 08:52:53,021 INFO L440 ceAbstractionStarter]: At program point L945-4(lines 940 948) the Hoare annotation is: false [2019-11-25 08:52:53,021 INFO L440 ceAbstractionStarter]: At program point L945-5(lines 940 948) the Hoare annotation is: false [2019-11-25 08:52:53,021 INFO L440 ceAbstractionStarter]: At program point L945-6(lines 940 948) the Hoare annotation is: false [2019-11-25 08:52:53,022 INFO L440 ceAbstractionStarter]: At program point L945-7(lines 940 948) the Hoare annotation is: false [2019-11-25 08:52:53,022 INFO L440 ceAbstractionStarter]: At program point L945-8(lines 940 948) the Hoare annotation is: false [2019-11-25 08:52:53,022 INFO L440 ceAbstractionStarter]: At program point L252(lines 237 255) the Hoare annotation is: false [2019-11-25 08:52:53,022 INFO L440 ceAbstractionStarter]: At program point L252-1(lines 237 255) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse5 (<= ~methaneLevelCritical~0 0)) (.cse6 (<= 0 ~methaneLevelCritical~0)) (.cse7 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (.cse8 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)) (.cse9 (<= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 (or (and .cse1 .cse2 .cse3 .cse4 (= 0 ~methAndRunningLastTime~0)) (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2 .cse3 .cse4))) (and .cse0 .cse5 .cse1 .cse2 .cse3 .cse6) (and .cse7 .cse5 .cse8 .cse9 .cse1 .cse2 .cse3 .cse6) (and .cse7 .cse8 .cse9 .cse1 .cse2 .cse3 .cse4))) [2019-11-25 08:52:53,022 INFO L440 ceAbstractionStarter]: At program point L252-2(lines 237 255) the Hoare annotation is: false [2019-11-25 08:52:53,022 INFO L440 ceAbstractionStarter]: At program point L252-3(lines 237 255) the Hoare annotation is: false [2019-11-25 08:52:53,022 INFO L440 ceAbstractionStarter]: At program point L252-4(lines 237 255) the Hoare annotation is: false [2019-11-25 08:52:53,022 INFO L440 ceAbstractionStarter]: At program point L252-5(lines 237 255) the Hoare annotation is: false [2019-11-25 08:52:53,022 INFO L440 ceAbstractionStarter]: At program point L352(lines 303 353) the Hoare annotation is: false [2019-11-25 08:52:53,023 INFO L440 ceAbstractionStarter]: At program point L188(lines 181 191) the Hoare annotation is: false [2019-11-25 08:52:53,023 INFO L440 ceAbstractionStarter]: At program point L188-1(lines 181 191) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 (<= 0 ~methaneLevelCritical~0)) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse1 .cse2 .cse3 (= 1 ~methaneLevelCritical~0)))) [2019-11-25 08:52:53,023 INFO L440 ceAbstractionStarter]: At program point L188-2(lines 181 191) the Hoare annotation is: false [2019-11-25 08:52:53,023 INFO L440 ceAbstractionStarter]: At program point L188-3(lines 181 191) the Hoare annotation is: false [2019-11-25 08:52:53,023 INFO L440 ceAbstractionStarter]: At program point L188-4(lines 181 191) the Hoare annotation is: false [2019-11-25 08:52:53,023 INFO L440 ceAbstractionStarter]: At program point L188-5(lines 181 191) the Hoare annotation is: false [2019-11-25 08:52:53,023 INFO L444 ceAbstractionStarter]: For program point L486(lines 486 493) no Hoare annotation was computed. [2019-11-25 08:52:53,023 INFO L447 ceAbstractionStarter]: At program point L486-1(lines 486 493) the Hoare annotation is: true [2019-11-25 08:52:53,023 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-25 08:52:53,023 INFO L440 ceAbstractionStarter]: At program point L522(lines 1 1003) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0) (<= 0 ~methaneLevelCritical~0)) [2019-11-25 08:52:53,024 INFO L444 ceAbstractionStarter]: For program point L324(lines 324 330) no Hoare annotation was computed. [2019-11-25 08:52:53,024 INFO L440 ceAbstractionStarter]: At program point L324-1(lines 324 330) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse5 (<= ~methaneLevelCritical~0 0)) (.cse6 (<= 0 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse6) (and .cse5 .cse7 .cse8 .cse2 .cse4 .cse6) (and .cse7 .cse8 .cse2 .cse3 .cse4))) [2019-11-25 08:52:53,024 INFO L444 ceAbstractionStarter]: For program point L126(lines 126 143) no Hoare annotation was computed. [2019-11-25 08:52:53,024 INFO L444 ceAbstractionStarter]: For program point L126-1(lines 126 143) no Hoare annotation was computed. [2019-11-25 08:52:53,024 INFO L444 ceAbstractionStarter]: For program point L126-2(lines 126 143) no Hoare annotation was computed. [2019-11-25 08:52:53,024 INFO L444 ceAbstractionStarter]: For program point L985(lines 985 991) no Hoare annotation was computed. [2019-11-25 08:52:53,024 INFO L444 ceAbstractionStarter]: For program point L985-1(lines 985 991) no Hoare annotation was computed. [2019-11-25 08:52:53,024 INFO L444 ceAbstractionStarter]: For program point L985-2(lines 985 991) no Hoare annotation was computed. [2019-11-25 08:52:53,024 INFO L444 ceAbstractionStarter]: For program point L985-3(lines 985 991) no Hoare annotation was computed. [2019-11-25 08:52:53,024 INFO L444 ceAbstractionStarter]: For program point L985-4(lines 985 991) no Hoare annotation was computed. [2019-11-25 08:52:53,024 INFO L444 ceAbstractionStarter]: For program point L985-5(lines 985 991) no Hoare annotation was computed. [2019-11-25 08:52:53,025 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-25 08:52:53,025 INFO L444 ceAbstractionStarter]: For program point L920(lines 920 924) no Hoare annotation was computed. [2019-11-25 08:52:53,025 INFO L440 ceAbstractionStarter]: At program point L459(lines 455 461) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0) (<= 0 ~methaneLevelCritical~0)) [2019-11-25 08:52:53,025 INFO L444 ceAbstractionStarter]: For program point L163(lines 163 169) no Hoare annotation was computed. [2019-11-25 08:52:53,025 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 138) no Hoare annotation was computed. [2019-11-25 08:52:53,025 INFO L444 ceAbstractionStarter]: For program point L163-2(lines 163 169) no Hoare annotation was computed. [2019-11-25 08:52:53,025 INFO L444 ceAbstractionStarter]: For program point L130-1(lines 130 138) no Hoare annotation was computed. [2019-11-25 08:52:53,025 INFO L444 ceAbstractionStarter]: For program point L130-2(lines 130 138) no Hoare annotation was computed. [2019-11-25 08:52:53,025 INFO L444 ceAbstractionStarter]: For program point L163-4(lines 163 169) no Hoare annotation was computed. [2019-11-25 08:52:53,025 INFO L444 ceAbstractionStarter]: For program point L163-6(lines 163 169) no Hoare annotation was computed. [2019-11-25 08:52:53,025 INFO L444 ceAbstractionStarter]: For program point L163-8(lines 163 169) no Hoare annotation was computed. [2019-11-25 08:52:53,026 INFO L444 ceAbstractionStarter]: For program point L163-10(lines 163 169) no Hoare annotation was computed. [2019-11-25 08:52:53,026 INFO L440 ceAbstractionStarter]: At program point L197(lines 192 200) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 ~methaneLevelCritical~0)) [2019-11-25 08:52:53,026 INFO L440 ceAbstractionStarter]: At program point L197-1(lines 192 200) the Hoare annotation is: false [2019-11-25 08:52:53,026 INFO L440 ceAbstractionStarter]: At program point L197-2(lines 192 200) the Hoare annotation is: false [2019-11-25 08:52:53,026 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-25 08:52:53,026 INFO L440 ceAbstractionStarter]: At program point L990(lines 981 994) the Hoare annotation is: false [2019-11-25 08:52:53,026 INFO L440 ceAbstractionStarter]: At program point L990-1(lines 981 994) the Hoare annotation is: (let ((.cse5 (= 1 ~methaneLevelCritical~0)) (.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse1 (<= 1 ~waterLevel~0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse7 (<= ~methaneLevelCritical~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse8 (<= 0 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 (or (and .cse2 .cse3 .cse4 .cse5 (= 0 ~methAndRunningLastTime~0)) (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse3 .cse4 .cse5))) (and .cse0 .cse7 .cse1 .cse2 .cse3 .cse4 .cse8) (and .cse6 .cse7 .cse2 .cse3 .cse4 .cse8))) [2019-11-25 08:52:53,026 INFO L440 ceAbstractionStarter]: At program point L990-2(lines 981 994) the Hoare annotation is: false [2019-11-25 08:52:53,026 INFO L440 ceAbstractionStarter]: At program point L990-3(lines 981 994) the Hoare annotation is: false [2019-11-25 08:52:53,026 INFO L440 ceAbstractionStarter]: At program point L990-4(lines 981 994) the Hoare annotation is: false [2019-11-25 08:52:53,027 INFO L440 ceAbstractionStarter]: At program point L990-5(lines 981 994) the Hoare annotation is: false [2019-11-25 08:52:53,027 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-25 08:52:53,027 INFO L447 ceAbstractionStarter]: At program point L495(lines 476 498) the Hoare annotation is: true [2019-11-25 08:52:53,027 INFO L444 ceAbstractionStarter]: For program point L265(lines 265 269) no Hoare annotation was computed. [2019-11-25 08:52:53,027 INFO L444 ceAbstractionStarter]: For program point L265-2(lines 265 269) no Hoare annotation was computed. [2019-11-25 08:52:53,027 INFO L444 ceAbstractionStarter]: For program point L265-3(lines 265 269) no Hoare annotation was computed. [2019-11-25 08:52:53,027 INFO L444 ceAbstractionStarter]: For program point L100(lines 100 117) no Hoare annotation was computed. [2019-11-25 08:52:53,027 INFO L444 ceAbstractionStarter]: For program point L265-5(lines 265 269) no Hoare annotation was computed. [2019-11-25 08:52:53,030 INFO L444 ceAbstractionStarter]: For program point L100-1(lines 100 117) no Hoare annotation was computed. [2019-11-25 08:52:53,030 INFO L444 ceAbstractionStarter]: For program point L265-6(lines 265 269) no Hoare annotation was computed. [2019-11-25 08:52:53,030 INFO L444 ceAbstractionStarter]: For program point L100-2(lines 100 117) no Hoare annotation was computed. [2019-11-25 08:52:53,030 INFO L444 ceAbstractionStarter]: For program point L100-3(lines 100 117) no Hoare annotation was computed. [2019-11-25 08:52:53,030 INFO L444 ceAbstractionStarter]: For program point L265-8(lines 265 269) no Hoare annotation was computed. [2019-11-25 08:52:53,030 INFO L444 ceAbstractionStarter]: For program point L100-4(lines 100 117) no Hoare annotation was computed. [2019-11-25 08:52:53,030 INFO L444 ceAbstractionStarter]: For program point L100-5(lines 100 117) no Hoare annotation was computed. [2019-11-25 08:52:53,030 INFO L440 ceAbstractionStarter]: At program point L530(lines 525 533) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0) (<= 0 ~methaneLevelCritical~0)) [2019-11-25 08:52:53,031 INFO L440 ceAbstractionStarter]: At program point L68(lines 67 86) the Hoare annotation is: (let ((.cse2 (= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (<= ~methaneLevelCritical~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (<= 0 ~methaneLevelCritical~0))) (or (and (or (and .cse0 .cse1 .cse2 .cse3) (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0 .cse1 .cse2)) .cse4) (and .cse4 .cse5 .cse1 .cse2 .cse3) (and .cse6 .cse4 .cse5 .cse1 .cse7) (and .cse6 .cse4 .cse0 .cse1 .cse7))) [2019-11-25 08:52:53,031 INFO L444 ceAbstractionStarter]: For program point L68-1(lines 68 74) no Hoare annotation was computed. [2019-11-25 08:52:53,031 INFO L440 ceAbstractionStarter]: At program point L68-2(lines 67 86) the Hoare annotation is: false [2019-11-25 08:52:53,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:52:53 BoogieIcfgContainer [2019-11-25 08:52:53,062 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:52:53,062 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:52:53,062 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:52:53,063 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:52:53,063 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:52:36" (3/4) ... [2019-11-25 08:52:53,066 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:52:53,085 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-25 08:52:53,086 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-25 08:52:53,088 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-25 08:52:53,089 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-25 08:52:53,090 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-25 08:52:53,092 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:52:53,093 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:52:53,119 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && methaneLevelCritical <= 0) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical [2019-11-25 08:52:53,119 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && tmp == systemActive) && methaneLevelCritical <= 0) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical [2019-11-25 08:52:53,119 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && tmp == systemActive) && methaneLevelCritical <= 0) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical [2019-11-25 08:52:53,120 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == \result && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((((((methaneLevelCritical == \result && methaneLevelCritical <= 0) && 2 <= waterLevel) && tmp == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical)) || ((((((methaneLevelCritical <= 0 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical)) || (((((((methaneLevelCritical == \result && methaneLevelCritical <= 0) && tmp == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical) [2019-11-25 08:52:53,120 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == \result && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((((((methaneLevelCritical == \result && methaneLevelCritical <= 0) && 2 <= waterLevel) && tmp == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical)) || (((((((methaneLevelCritical == \result && methaneLevelCritical <= 0) && tmp == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical)) || ((((((methaneLevelCritical <= 0 && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical) [2019-11-25 08:52:53,121 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((1 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) && 1 <= waterLevel) || ((((2 <= waterLevel && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || ((((methaneLevelCritical <= 0 && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || ((((methaneLevelCritical <= 0 && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) [2019-11-25 08:52:53,121 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((1 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) && 1 <= waterLevel) || ((((1 <= waterLevel && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || ((((methaneLevelCritical <= 0 && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || ((((methaneLevelCritical <= 0 && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) [2019-11-25 08:52:53,122 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((1 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) && 1 <= waterLevel) || ((((methaneLevelCritical <= 0 && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) [2019-11-25 08:52:53,122 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == \result && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((methaneLevelCritical == \result && methaneLevelCritical <= 0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((((methaneLevelCritical == \result && 2 <= waterLevel) && methaneLevelCritical <= 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) [2019-11-25 08:52:53,123 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == \result && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((((0 == \result && methaneLevelCritical <= 0) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) [2019-11-25 08:52:53,124 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (2 <= waterLevel && (((((pumpRunning == 0 && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((1 == \result && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical)))) || ((((((\result == 1 && methaneLevelCritical <= 0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((((2 <= waterLevel && methaneLevelCritical <= 0) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) [2019-11-25 08:52:53,124 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 0 && 1 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical [2019-11-25 08:52:53,125 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == \result && methaneLevelCritical <= 0) && 1 == \result) && 1 == tmp___0) && 1 <= waterLevel) && !(0 == systemActive)) && ((!(0 == waterLevel) && 0 == tmp) || (1 == tmp && 0 == waterLevel))) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || (((((((((0 == \result && 1 == \result) && 1 == \result) && 1 == tmp___0) && !(0 == systemActive)) && ((!(0 == waterLevel) && 0 == tmp) || (1 == tmp && 0 == waterLevel))) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((0 == \result && 1 == \result) && 1 == tmp___0) && !(0 == systemActive)) && ((!(0 == waterLevel) && 0 == tmp) || (1 == tmp && 0 == waterLevel))) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) && 1 <= waterLevel) [2019-11-25 08:52:53,125 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && (((((pumpRunning == 0 && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((1 == \result && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical))) || (((((2 <= waterLevel && methaneLevelCritical <= 0) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((((((0 == \result && methaneLevelCritical <= 0) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || ((((((0 == \result && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-25 08:52:53,127 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == \result && methaneLevelCritical <= 0) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || (((((2 <= waterLevel && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-25 08:52:53,127 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == \result && methaneLevelCritical <= 0) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || ((((((2 <= waterLevel && 1 == \result) && 1 <= \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-25 08:52:53,191 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fedd38b3-5dfb-4c7e-a2ef-1fd1cc7e05d1/bin/uautomizer/witness.graphml [2019-11-25 08:52:53,191 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:52:53,192 INFO L168 Benchmark]: Toolchain (without parser) took 18802.65 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 521.1 MB). Free memory was 939.3 MB in the beginning and 1.4 GB in the end (delta: -481.1 MB). Peak memory consumption was 40.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:53,192 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:52:53,193 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -203.3 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:53,193 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:53,193 INFO L168 Benchmark]: Boogie Preprocessor took 80.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:53,194 INFO L168 Benchmark]: RCFGBuilder took 1048.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 72.3 MB). Peak memory consumption was 72.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:53,194 INFO L168 Benchmark]: TraceAbstraction took 16795.26 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 356.0 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -380.6 MB). Peak memory consumption was 565.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:53,194 INFO L168 Benchmark]: Witness Printer took 128.90 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:53,196 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 664.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -203.3 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1048.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 72.3 MB). Peak memory consumption was 72.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16795.26 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 356.0 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -380.6 MB). Peak memory consumption was 565.4 MB. Max. memory is 11.5 GB. * Witness Printer took 128.90 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: 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: 314]: Loop Invariant Derived loop invariant: (((((((1 == \result && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((((((methaneLevelCritical == \result && methaneLevelCritical <= 0) && 2 <= waterLevel) && tmp == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical)) || (((((((methaneLevelCritical == \result && methaneLevelCritical <= 0) && tmp == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical)) || ((((((methaneLevelCritical <= 0 && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical) - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: ((((\result == 0 && 1 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && (((((pumpRunning == 0 && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((1 == \result && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical))) || (((((2 <= waterLevel && methaneLevelCritical <= 0) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((((((0 == \result && methaneLevelCritical <= 0) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || ((((((0 == \result && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((1 == systemActive && methaneLevelCritical <= 0) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((1 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) && 1 <= waterLevel) || ((((2 <= waterLevel && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || ((((methaneLevelCritical <= 0 && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || ((((methaneLevelCritical <= 0 && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical <= 0) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: ((((((((0 == \result && methaneLevelCritical <= 0) && 1 == \result) && 1 == tmp___0) && 1 <= waterLevel) && !(0 == systemActive)) && ((!(0 == waterLevel) && 0 == tmp) || (1 == tmp && 0 == waterLevel))) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || (((((((((0 == \result && 1 == \result) && 1 == \result) && 1 == tmp___0) && !(0 == systemActive)) && ((!(0 == waterLevel) && 0 == tmp) || (1 == tmp && 0 == waterLevel))) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((((0 == \result && 1 == \result) && 1 == tmp___0) && !(0 == systemActive)) && ((!(0 == waterLevel) && 0 == tmp) || (1 == tmp && 0 == waterLevel))) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) && 1 <= waterLevel) - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((1 == \result && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((((((methaneLevelCritical == \result && methaneLevelCritical <= 0) && 2 <= waterLevel) && tmp == methaneLevelCritical) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical)) || ((((((methaneLevelCritical <= 0 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical)) || (((((((methaneLevelCritical == \result && methaneLevelCritical <= 0) && tmp == methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical) - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == \result && methaneLevelCritical <= 0) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || ((((((2 <= waterLevel && 1 == \result) && 1 <= \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 995]: Loop Invariant Derived loop invariant: (((((0 == \result && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((((0 == \result && methaneLevelCritical <= 0) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((1 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) && 1 <= waterLevel) || ((((methaneLevelCritical <= 0 && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 995]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 995]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == \result && methaneLevelCritical <= 0) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || (((((2 <= waterLevel && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && tmp == systemActive) && methaneLevelCritical <= 0) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical - InvariantResult [Line: 476]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: (((((1 == \result && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((methaneLevelCritical == \result && methaneLevelCritical <= 0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((((methaneLevelCritical == \result && 2 <= waterLevel) && methaneLevelCritical <= 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: ((((((2 <= waterLevel && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((methaneLevelCritical <= 0 && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((((methaneLevelCritical <= 0 && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical)) || ((((1 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && tmp == systemActive) && methaneLevelCritical <= 0) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 <= methaneLevelCritical - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && methaneLevelCritical <= 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || (((1 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((methaneLevelCritical <= 0 && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (2 <= waterLevel && (((((pumpRunning == 0 && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || ((((1 == \result && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical)))) || ((((((\result == 1 && methaneLevelCritical <= 0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((((2 <= waterLevel && methaneLevelCritical <= 0) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((1 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) && 1 <= waterLevel) || ((((1 <= waterLevel && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || ((((methaneLevelCritical <= 0 && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || ((((methaneLevelCritical <= 0 && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 141 locations, 3 error locations. Result: SAFE, OverallTime: 16.6s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.2s, HoareTripleCheckerStatistics: 1806 SDtfs, 2278 SDslu, 3014 SDs, 0 SdLazy, 381 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 261 GetRequests, 201 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=857occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 15 MinimizatonAttempts, 1546 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 275 NumberOfFragments, 1191 HoareAnnotationTreeSize, 57 FomulaSimplifications, 1299928 FormulaSimplificationTreeSizeReduction, 2.9s HoareSimplificationTime, 57 FomulaSimplificationsInter, 1435511 FormulaSimplificationTreeSizeReductionInter, 8.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 870 NumberOfCodeBlocks, 870 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 853 ConstructedInterpolants, 0 QuantifiedInterpolants, 113031 SizeOfPredicates, 5 NumberOfNonLiveVariables, 988 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 304/348 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...