./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_67ad52e4-3636-4dc4-b89a-3e810e8a97eb/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_67ad52e4-3636-4dc4-b89a-3e810e8a97eb/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_67ad52e4-3636-4dc4-b89a-3e810e8a97eb/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_67ad52e4-3636-4dc4-b89a-3e810e8a97eb/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_67ad52e4-3636-4dc4-b89a-3e810e8a97eb/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_67ad52e4-3636-4dc4-b89a-3e810e8a97eb/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 80abb928521d4c2048eaebb41a9ea5bc19908ad5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:22:35,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:22:35,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:22:35,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:22:35,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:22:35,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:22:35,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:22:35,225 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:22:35,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:22:35,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:22:35,230 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:22:35,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:22:35,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:22:35,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:22:35,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:22:35,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:22:35,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:22:35,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:22:35,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:22:35,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:22:35,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:22:35,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:22:35,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:22:35,243 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:22:35,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:22:35,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:22:35,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:22:35,247 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:22:35,247 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:22:35,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:22:35,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:22:35,249 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:22:35,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:22:35,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:22:35,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:22:35,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:22:35,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:22:35,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:22:35,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:22:35,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:22:35,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:22:35,259 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_67ad52e4-3636-4dc4-b89a-3e810e8a97eb/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:22:35,278 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:22:35,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:22:35,283 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:22:35,283 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:22:35,283 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:22:35,283 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:22:35,283 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:22:35,284 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:22:35,284 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:22:35,284 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:22:35,284 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:22:35,285 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:22:35,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:22:35,286 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:22:35,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:22:35,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:22:35,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:22:35,287 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:22:35,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:22:35,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:22:35,288 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:22:35,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:22:35,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:22:35,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:22:35,289 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:22:35,289 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:22:35,289 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:22:35,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:35,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:22:35,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:22:35,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:22:35,290 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:22:35,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:22:35,290 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:22:35,291 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:22:35,292 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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/working_dir_67ad52e4-3636-4dc4-b89a-3e810e8a97eb/bin/utaipan 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 -> Taipan 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 -> 80abb928521d4c2048eaebb41a9ea5bc19908ad5 [2019-10-22 11:22:35,331 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:22:35,342 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:22:35,346 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:22:35,347 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:22:35,348 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:22:35,348 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_67ad52e4-3636-4dc4-b89a-3e810e8a97eb/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2019-10-22 11:22:35,400 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_67ad52e4-3636-4dc4-b89a-3e810e8a97eb/bin/utaipan/data/e826ef457/44a795221fc54ff8a4adc4b14e4874e1/FLAG9d533ecbf [2019-10-22 11:22:35,834 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:22:35,835 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_67ad52e4-3636-4dc4-b89a-3e810e8a97eb/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2019-10-22 11:22:35,845 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_67ad52e4-3636-4dc4-b89a-3e810e8a97eb/bin/utaipan/data/e826ef457/44a795221fc54ff8a4adc4b14e4874e1/FLAG9d533ecbf [2019-10-22 11:22:35,859 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_67ad52e4-3636-4dc4-b89a-3e810e8a97eb/bin/utaipan/data/e826ef457/44a795221fc54ff8a4adc4b14e4874e1 [2019-10-22 11:22:35,861 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:22:35,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:22:35,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:35,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:22:35,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:22:35,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:35" (1/1) ... [2019-10-22 11:22:35,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e676c0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:35, skipping insertion in model container [2019-10-22 11:22:35,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:35" (1/1) ... [2019-10-22 11:22:35,877 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:22:35,915 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:22:36,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:36,305 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:22:36,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:36,428 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:22:36,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36 WrapperNode [2019-10-22 11:22:36,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:36,429 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:36,429 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:22:36,429 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:22:36,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36" (1/1) ... [2019-10-22 11:22:36,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36" (1/1) ... [2019-10-22 11:22:36,515 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:36,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:22:36,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:22:36,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:22:36,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36" (1/1) ... [2019-10-22 11:22:36,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36" (1/1) ... [2019-10-22 11:22:36,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36" (1/1) ... [2019-10-22 11:22:36,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36" (1/1) ... [2019-10-22 11:22:36,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36" (1/1) ... [2019-10-22 11:22:36,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36" (1/1) ... [2019-10-22 11:22:36,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36" (1/1) ... [2019-10-22 11:22:36,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:22:36,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:22:36,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:22:36,584 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:22:36,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_67ad52e4-3636-4dc4-b89a-3e810e8a97eb/bin/utaipan/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 [2019-10-22 11:22:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:22:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:22:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:22:36,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:22:37,443 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:22:37,444 INFO L284 CfgBuilder]: Removed 160 assume(true) statements. [2019-10-22 11:22:37,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:37 BoogieIcfgContainer [2019-10-22 11:22:37,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:22:37,446 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:22:37,446 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:22:37,449 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:22:37,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:22:35" (1/3) ... [2019-10-22 11:22:37,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70ce4bcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:37, skipping insertion in model container [2019-10-22 11:22:37,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36" (2/3) ... [2019-10-22 11:22:37,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70ce4bcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:37, skipping insertion in model container [2019-10-22 11:22:37,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:37" (3/3) ... [2019-10-22 11:22:37,452 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product50.cil.c [2019-10-22 11:22:37,461 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:22:37,468 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:22:37,478 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:22:37,500 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:22:37,500 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:22:37,501 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:22:37,501 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:22:37,501 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:22:37,501 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:22:37,501 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:22:37,501 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:22:37,517 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2019-10-22 11:22:37,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 11:22:37,523 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:37,524 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:37,525 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:37,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:37,531 INFO L82 PathProgramCache]: Analyzing trace with hash -458581887, now seen corresponding path program 1 times [2019-10-22 11:22:37,539 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:37,540 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949905186] [2019-10-22 11:22:37,540 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:37,540 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:37,540 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:37,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:37,732 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949905186] [2019-10-22 11:22:37,733 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:37,733 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:22:37,734 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022203448] [2019-10-22 11:22:37,738 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:22:37,739 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:37,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:22:37,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:22:37,757 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2019-10-22 11:22:37,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:37,791 INFO L93 Difference]: Finished difference Result 235 states and 360 transitions. [2019-10-22 11:22:37,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:22:37,792 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 11:22:37,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:37,804 INFO L225 Difference]: With dead ends: 235 [2019-10-22 11:22:37,804 INFO L226 Difference]: Without dead ends: 117 [2019-10-22 11:22:37,808 INFO L600 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 [2019-10-22 11:22:37,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-10-22 11:22:37,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-10-22 11:22:37,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-10-22 11:22:37,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 172 transitions. [2019-10-22 11:22:37,850 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 172 transitions. Word has length 18 [2019-10-22 11:22:37,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:37,850 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 172 transitions. [2019-10-22 11:22:37,850 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:22:37,850 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2019-10-22 11:22:37,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 11:22:37,851 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:37,851 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:37,852 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:37,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:37,852 INFO L82 PathProgramCache]: Analyzing trace with hash -356027389, now seen corresponding path program 1 times [2019-10-22 11:22:37,852 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:37,853 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357490653] [2019-10-22 11:22:37,853 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:37,853 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:37,853 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:37,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:37,971 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357490653] [2019-10-22 11:22:37,972 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:37,972 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:22:37,972 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782743087] [2019-10-22 11:22:37,973 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:37,973 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:37,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:37,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:37,974 INFO L87 Difference]: Start difference. First operand 117 states and 172 transitions. Second operand 3 states. [2019-10-22 11:22:37,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:37,998 INFO L93 Difference]: Finished difference Result 117 states and 172 transitions. [2019-10-22 11:22:38,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:38,004 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 11:22:38,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:38,005 INFO L225 Difference]: With dead ends: 117 [2019-10-22 11:22:38,005 INFO L226 Difference]: Without dead ends: 49 [2019-10-22 11:22:38,006 INFO L600 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 [2019-10-22 11:22:38,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-10-22 11:22:38,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-10-22 11:22:38,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-10-22 11:22:38,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2019-10-22 11:22:38,013 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2019-10-22 11:22:38,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:38,014 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2019-10-22 11:22:38,014 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:38,014 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2019-10-22 11:22:38,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:22:38,018 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:38,018 INFO L380 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] [2019-10-22 11:22:38,019 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:38,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:38,019 INFO L82 PathProgramCache]: Analyzing trace with hash 988842679, now seen corresponding path program 1 times [2019-10-22 11:22:38,019 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:38,020 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919615369] [2019-10-22 11:22:38,020 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:38,020 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:38,020 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:38,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:38,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:38,114 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919615369] [2019-10-22 11:22:38,114 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:38,114 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:22:38,115 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697218289] [2019-10-22 11:22:38,115 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:38,115 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:38,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:38,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:38,116 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2019-10-22 11:22:38,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:38,145 INFO L93 Difference]: Finished difference Result 91 states and 135 transitions. [2019-10-22 11:22:38,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:38,147 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-22 11:22:38,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:38,148 INFO L225 Difference]: With dead ends: 91 [2019-10-22 11:22:38,148 INFO L226 Difference]: Without dead ends: 49 [2019-10-22 11:22:38,149 INFO L600 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 [2019-10-22 11:22:38,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-10-22 11:22:38,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-10-22 11:22:38,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-10-22 11:22:38,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2019-10-22 11:22:38,157 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2019-10-22 11:22:38,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:38,157 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2019-10-22 11:22:38,157 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:38,157 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2019-10-22 11:22:38,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 11:22:38,158 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:38,158 INFO L380 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] [2019-10-22 11:22:38,158 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:38,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:38,160 INFO L82 PathProgramCache]: Analyzing trace with hash -524841611, now seen corresponding path program 1 times [2019-10-22 11:22:38,160 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:38,160 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725224251] [2019-10-22 11:22:38,161 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:38,161 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:38,161 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:38,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:38,230 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725224251] [2019-10-22 11:22:38,230 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:38,230 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:22:38,230 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810768883] [2019-10-22 11:22:38,231 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:38,231 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:38,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:38,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:38,232 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2019-10-22 11:22:38,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:38,283 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2019-10-22 11:22:38,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:38,283 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-22 11:22:38,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:38,284 INFO L225 Difference]: With dead ends: 113 [2019-10-22 11:22:38,284 INFO L226 Difference]: Without dead ends: 71 [2019-10-22 11:22:38,285 INFO L600 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 [2019-10-22 11:22:38,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-10-22 11:22:38,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2019-10-22 11:22:38,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2019-10-22 11:22:38,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 98 transitions. [2019-10-22 11:22:38,292 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 98 transitions. Word has length 26 [2019-10-22 11:22:38,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:38,292 INFO L462 AbstractCegarLoop]: Abstraction has 69 states and 98 transitions. [2019-10-22 11:22:38,292 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:38,292 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2019-10-22 11:22:38,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 11:22:38,293 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:38,293 INFO L380 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] [2019-10-22 11:22:38,294 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:38,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:38,294 INFO L82 PathProgramCache]: Analyzing trace with hash -65166556, now seen corresponding path program 1 times [2019-10-22 11:22:38,294 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:38,294 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159989730] [2019-10-22 11:22:38,294 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:38,295 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:38,295 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:38,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:38,389 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159989730] [2019-10-22 11:22:38,390 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:38,390 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:22:38,390 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257926220] [2019-10-22 11:22:38,390 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:38,391 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:38,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:38,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:38,391 INFO L87 Difference]: Start difference. First operand 69 states and 98 transitions. Second operand 5 states. [2019-10-22 11:22:38,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:38,469 INFO L93 Difference]: Finished difference Result 182 states and 258 transitions. [2019-10-22 11:22:38,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:22:38,470 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-10-22 11:22:38,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:38,471 INFO L225 Difference]: With dead ends: 182 [2019-10-22 11:22:38,471 INFO L226 Difference]: Without dead ends: 120 [2019-10-22 11:22:38,471 INFO L600 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 [2019-10-22 11:22:38,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-10-22 11:22:38,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 75. [2019-10-22 11:22:38,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-10-22 11:22:38,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2019-10-22 11:22:38,492 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 32 [2019-10-22 11:22:38,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:38,492 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2019-10-22 11:22:38,493 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:38,493 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2019-10-22 11:22:38,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 11:22:38,493 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:38,494 INFO L380 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] [2019-10-22 11:22:38,494 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:38,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:38,494 INFO L82 PathProgramCache]: Analyzing trace with hash 868297153, now seen corresponding path program 1 times [2019-10-22 11:22:38,495 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:38,495 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465517354] [2019-10-22 11:22:38,495 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:38,496 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:38,496 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:38,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:38,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:38,652 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465517354] [2019-10-22 11:22:38,653 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:38,653 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:22:38,653 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503842727] [2019-10-22 11:22:38,653 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:38,653 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:38,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:38,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:38,654 INFO L87 Difference]: Start difference. First operand 75 states and 104 transitions. Second operand 5 states. [2019-10-22 11:22:38,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:38,792 INFO L93 Difference]: Finished difference Result 387 states and 547 transitions. [2019-10-22 11:22:38,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:22:38,793 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-10-22 11:22:38,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:38,798 INFO L225 Difference]: With dead ends: 387 [2019-10-22 11:22:38,799 INFO L226 Difference]: Without dead ends: 319 [2019-10-22 11:22:38,800 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:22:38,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2019-10-22 11:22:38,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 135. [2019-10-22 11:22:38,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-10-22 11:22:38,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 186 transitions. [2019-10-22 11:22:38,841 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 186 transitions. Word has length 32 [2019-10-22 11:22:38,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:38,841 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 186 transitions. [2019-10-22 11:22:38,842 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:38,842 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 186 transitions. [2019-10-22 11:22:38,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 11:22:38,843 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:38,843 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:38,843 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:38,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:38,843 INFO L82 PathProgramCache]: Analyzing trace with hash 868140617, now seen corresponding path program 1 times [2019-10-22 11:22:38,843 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:38,844 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105805663] [2019-10-22 11:22:38,844 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:38,844 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:38,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:38,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:38,960 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105805663] [2019-10-22 11:22:38,960 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:38,960 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:22:38,960 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525686312] [2019-10-22 11:22:38,961 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:38,961 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:38,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:38,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:38,961 INFO L87 Difference]: Start difference. First operand 135 states and 186 transitions. Second operand 5 states. [2019-10-22 11:22:39,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:39,108 INFO L93 Difference]: Finished difference Result 506 states and 701 transitions. [2019-10-22 11:22:39,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:22:39,109 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-10-22 11:22:39,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:39,110 INFO L225 Difference]: With dead ends: 506 [2019-10-22 11:22:39,110 INFO L226 Difference]: Without dead ends: 378 [2019-10-22 11:22:39,111 INFO L600 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 [2019-10-22 11:22:39,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2019-10-22 11:22:39,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 134. [2019-10-22 11:22:39,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-10-22 11:22:39,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 183 transitions. [2019-10-22 11:22:39,133 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 183 transitions. Word has length 33 [2019-10-22 11:22:39,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:39,133 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 183 transitions. [2019-10-22 11:22:39,133 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:39,133 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 183 transitions. [2019-10-22 11:22:39,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 11:22:39,134 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:39,134 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:39,134 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:39,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:39,135 INFO L82 PathProgramCache]: Analyzing trace with hash 635741486, now seen corresponding path program 1 times [2019-10-22 11:22:39,135 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:39,135 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029522637] [2019-10-22 11:22:39,136 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:39,136 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:39,136 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:39,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:39,202 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029522637] [2019-10-22 11:22:39,203 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:39,203 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:22:39,203 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969614207] [2019-10-22 11:22:39,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:39,204 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:39,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:39,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:39,204 INFO L87 Difference]: Start difference. First operand 134 states and 183 transitions. Second operand 5 states. [2019-10-22 11:22:39,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:39,304 INFO L93 Difference]: Finished difference Result 357 states and 483 transitions. [2019-10-22 11:22:39,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:22:39,305 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-10-22 11:22:39,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:39,306 INFO L225 Difference]: With dead ends: 357 [2019-10-22 11:22:39,306 INFO L226 Difference]: Without dead ends: 230 [2019-10-22 11:22:39,307 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:22:39,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2019-10-22 11:22:39,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 142. [2019-10-22 11:22:39,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-10-22 11:22:39,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 191 transitions. [2019-10-22 11:22:39,329 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 191 transitions. Word has length 33 [2019-10-22 11:22:39,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:39,330 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 191 transitions. [2019-10-22 11:22:39,330 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:39,330 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2019-10-22 11:22:39,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 11:22:39,331 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:39,340 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:39,341 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:39,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:39,341 INFO L82 PathProgramCache]: Analyzing trace with hash 48935472, now seen corresponding path program 1 times [2019-10-22 11:22:39,341 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:39,342 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991050560] [2019-10-22 11:22:39,342 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:39,342 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:39,342 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:39,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:39,392 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991050560] [2019-10-22 11:22:39,392 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:39,392 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:22:39,392 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709371044] [2019-10-22 11:22:39,393 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:39,393 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:39,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:39,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:39,394 INFO L87 Difference]: Start difference. First operand 142 states and 191 transitions. Second operand 3 states. [2019-10-22 11:22:39,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:39,434 INFO L93 Difference]: Finished difference Result 327 states and 439 transitions. [2019-10-22 11:22:39,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:39,435 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-10-22 11:22:39,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:39,436 INFO L225 Difference]: With dead ends: 327 [2019-10-22 11:22:39,436 INFO L226 Difference]: Without dead ends: 192 [2019-10-22 11:22:39,437 INFO L600 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 [2019-10-22 11:22:39,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2019-10-22 11:22:39,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2019-10-22 11:22:39,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2019-10-22 11:22:39,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 251 transitions. [2019-10-22 11:22:39,465 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 251 transitions. Word has length 33 [2019-10-22 11:22:39,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:39,465 INFO L462 AbstractCegarLoop]: Abstraction has 192 states and 251 transitions. [2019-10-22 11:22:39,466 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:39,466 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 251 transitions. [2019-10-22 11:22:39,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 11:22:39,467 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:39,467 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:39,467 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:39,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:39,468 INFO L82 PathProgramCache]: Analyzing trace with hash 1943567600, now seen corresponding path program 1 times [2019-10-22 11:22:39,468 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:39,468 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668320942] [2019-10-22 11:22:39,468 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:39,468 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:39,468 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:39,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:39,531 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668320942] [2019-10-22 11:22:39,531 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:39,531 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:22:39,531 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106630790] [2019-10-22 11:22:39,532 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:39,532 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:39,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:39,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:39,533 INFO L87 Difference]: Start difference. First operand 192 states and 251 transitions. Second operand 3 states. [2019-10-22 11:22:39,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:39,581 INFO L93 Difference]: Finished difference Result 295 states and 389 transitions. [2019-10-22 11:22:39,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:39,582 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-10-22 11:22:39,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:39,583 INFO L225 Difference]: With dead ends: 295 [2019-10-22 11:22:39,583 INFO L226 Difference]: Without dead ends: 293 [2019-10-22 11:22:39,584 INFO L600 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 [2019-10-22 11:22:39,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2019-10-22 11:22:39,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 234. [2019-10-22 11:22:39,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2019-10-22 11:22:39,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 313 transitions. [2019-10-22 11:22:39,609 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 313 transitions. Word has length 34 [2019-10-22 11:22:39,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:39,609 INFO L462 AbstractCegarLoop]: Abstraction has 234 states and 313 transitions. [2019-10-22 11:22:39,609 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:39,610 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 313 transitions. [2019-10-22 11:22:39,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-22 11:22:39,615 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:39,615 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:39,616 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:39,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:39,616 INFO L82 PathProgramCache]: Analyzing trace with hash 496339190, now seen corresponding path program 1 times [2019-10-22 11:22:39,616 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:39,616 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619189960] [2019-10-22 11:22:39,616 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:39,617 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:39,617 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:39,701 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:39,701 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619189960] [2019-10-22 11:22:39,701 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595908168] [2019-10-22 11:22:39,701 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_67ad52e4-3636-4dc4-b89a-3e810e8a97eb/bin/utaipan/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 [2019-10-22 11:22:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:39,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:22:39,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:39,882 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:39,882 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:39,901 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:39,902 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-22 11:22:39,902 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 5 [2019-10-22 11:22:39,902 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213639864] [2019-10-22 11:22:39,903 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:39,904 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:39,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:39,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:39,905 INFO L87 Difference]: Start difference. First operand 234 states and 313 transitions. Second operand 3 states. [2019-10-22 11:22:39,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:39,974 INFO L93 Difference]: Finished difference Result 374 states and 510 transitions. [2019-10-22 11:22:39,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:39,975 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-10-22 11:22:39,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:39,976 INFO L225 Difference]: With dead ends: 374 [2019-10-22 11:22:39,976 INFO L226 Difference]: Without dead ends: 197 [2019-10-22 11:22:39,977 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 115 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:39,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2019-10-22 11:22:39,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2019-10-22 11:22:39,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2019-10-22 11:22:39,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 255 transitions. [2019-10-22 11:22:39,999 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 255 transitions. Word has length 58 [2019-10-22 11:22:39,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:40,001 INFO L462 AbstractCegarLoop]: Abstraction has 197 states and 255 transitions. [2019-10-22 11:22:40,001 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:40,002 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 255 transitions. [2019-10-22 11:22:40,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-22 11:22:40,002 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:40,003 INFO L380 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] [2019-10-22 11:22:40,204 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:22:40,204 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:40,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:40,205 INFO L82 PathProgramCache]: Analyzing trace with hash 985757466, now seen corresponding path program 1 times [2019-10-22 11:22:40,205 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:40,205 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794078196] [2019-10-22 11:22:40,205 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:40,205 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:40,205 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:40,262 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 11:22:40,262 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794078196] [2019-10-22 11:22:40,262 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043457997] [2019-10-22 11:22:40,262 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_67ad52e4-3636-4dc4-b89a-3e810e8a97eb/bin/utaipan/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 [2019-10-22 11:22:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:40,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:22:40,373 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:40,407 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:22:40,407 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:40,434 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:22:40,435 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-22 11:22:40,437 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [6] total 9 [2019-10-22 11:22:40,438 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357459605] [2019-10-22 11:22:40,438 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:40,438 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:40,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:40,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:22:40,439 INFO L87 Difference]: Start difference. First operand 197 states and 255 transitions. Second operand 5 states. [2019-10-22 11:22:40,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:40,503 INFO L93 Difference]: Finished difference Result 494 states and 655 transitions. [2019-10-22 11:22:40,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:22:40,504 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-10-22 11:22:40,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:40,505 INFO L225 Difference]: With dead ends: 494 [2019-10-22 11:22:40,506 INFO L226 Difference]: Without dead ends: 354 [2019-10-22 11:22:40,506 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 113 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-22 11:22:40,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2019-10-22 11:22:40,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 203. [2019-10-22 11:22:40,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2019-10-22 11:22:40,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 261 transitions. [2019-10-22 11:22:40,525 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 261 transitions. Word has length 58 [2019-10-22 11:22:40,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:40,525 INFO L462 AbstractCegarLoop]: Abstraction has 203 states and 261 transitions. [2019-10-22 11:22:40,526 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:40,526 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 261 transitions. [2019-10-22 11:22:40,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-22 11:22:40,526 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:40,526 INFO L380 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] [2019-10-22 11:22:40,727 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:22:40,728 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:40,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:40,728 INFO L82 PathProgramCache]: Analyzing trace with hash 727592028, now seen corresponding path program 1 times [2019-10-22 11:22:40,728 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:40,728 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409909708] [2019-10-22 11:22:40,729 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:40,730 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:40,730 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:40,818 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:40,819 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409909708] [2019-10-22 11:22:40,819 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:40,819 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:22:40,819 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471386299] [2019-10-22 11:22:40,820 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:22:40,820 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:40,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:22:40,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:22:40,820 INFO L87 Difference]: Start difference. First operand 203 states and 261 transitions. Second operand 6 states. [2019-10-22 11:22:40,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:40,989 INFO L93 Difference]: Finished difference Result 585 states and 768 transitions. [2019-10-22 11:22:40,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:22:40,990 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-10-22 11:22:40,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:40,990 INFO L225 Difference]: With dead ends: 585 [2019-10-22 11:22:40,990 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:22:40,991 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:22:40,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:22:40,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:22:40,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:22:40,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:22:40,992 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-10-22 11:22:40,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:40,992 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:22:40,992 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:22:40,992 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:22:40,992 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:22:40,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:22:41,120 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 70 [2019-10-22 11:22:41,356 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 81 [2019-10-22 11:22:41,780 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 78 [2019-10-22 11:22:42,021 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 18 [2019-10-22 11:22:42,231 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 18 [2019-10-22 11:22:42,454 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 22 [2019-10-22 11:22:42,668 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 19 [2019-10-22 11:22:42,844 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 24 [2019-10-22 11:22:43,075 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 22 [2019-10-22 11:22:43,188 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 19 [2019-10-22 11:22:43,375 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 19 [2019-10-22 11:22:43,577 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 22 [2019-10-22 11:22:43,813 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 28 [2019-10-22 11:22:43,815 INFO L439 ceAbstractionStarter]: At program point L597(lines 548 598) the Hoare annotation is: false [2019-10-22 11:22:43,815 INFO L443 ceAbstractionStarter]: For program point L399(lines 399 416) no Hoare annotation was computed. [2019-10-22 11:22:43,815 INFO L443 ceAbstractionStarter]: For program point L399-1(lines 399 416) no Hoare annotation was computed. [2019-10-22 11:22:43,815 INFO L443 ceAbstractionStarter]: For program point L399-2(lines 399 416) no Hoare annotation was computed. [2019-10-22 11:22:43,816 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-22 11:22:43,816 INFO L443 ceAbstractionStarter]: For program point L201(lines 201 218) no Hoare annotation was computed. [2019-10-22 11:22:43,816 INFO L439 ceAbstractionStarter]: At program point L201-1(lines 1 979) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (= ~pumpRunning~0 0) .cse1) (= 0 ~methAndRunningLastTime~0)) (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1))) [2019-10-22 11:22:43,816 INFO L443 ceAbstractionStarter]: For program point L234-3(lines 234 238) no Hoare annotation was computed. [2019-10-22 11:22:43,816 INFO L443 ceAbstractionStarter]: For program point L201-2(lines 201 218) no Hoare annotation was computed. [2019-10-22 11:22:43,816 INFO L439 ceAbstractionStarter]: At program point L201-3(lines 1 979) the Hoare annotation is: false [2019-10-22 11:22:43,816 INFO L443 ceAbstractionStarter]: For program point L201-4(lines 201 218) no Hoare annotation was computed. [2019-10-22 11:22:43,816 INFO L443 ceAbstractionStarter]: For program point L234-6(lines 234 238) no Hoare annotation was computed. [2019-10-22 11:22:43,816 INFO L439 ceAbstractionStarter]: At program point L201-5(lines 1 979) the Hoare annotation is: false [2019-10-22 11:22:43,817 INFO L443 ceAbstractionStarter]: For program point L501(lines 501 505) no Hoare annotation was computed. [2019-10-22 11:22:43,817 INFO L443 ceAbstractionStarter]: For program point L501-2(lines 501 505) no Hoare annotation was computed. [2019-10-22 11:22:43,817 INFO L443 ceAbstractionStarter]: For program point L501-3(lines 501 505) no Hoare annotation was computed. [2019-10-22 11:22:43,817 INFO L443 ceAbstractionStarter]: For program point L501-5(lines 501 505) no Hoare annotation was computed. [2019-10-22 11:22:43,817 INFO L443 ceAbstractionStarter]: For program point L501-6(lines 501 505) no Hoare annotation was computed. [2019-10-22 11:22:43,817 INFO L443 ceAbstractionStarter]: For program point L501-8(lines 501 505) no Hoare annotation was computed. [2019-10-22 11:22:43,817 INFO L443 ceAbstractionStarter]: For program point L501-9(lines 501 505) no Hoare annotation was computed. [2019-10-22 11:22:43,817 INFO L443 ceAbstractionStarter]: For program point L501-11(lines 501 505) no Hoare annotation was computed. [2019-10-22 11:22:43,817 INFO L443 ceAbstractionStarter]: For program point L501-12(lines 501 505) no Hoare annotation was computed. [2019-10-22 11:22:43,817 INFO L443 ceAbstractionStarter]: For program point L501-14(lines 501 505) no Hoare annotation was computed. [2019-10-22 11:22:43,818 INFO L443 ceAbstractionStarter]: For program point L501-15(lines 501 505) no Hoare annotation was computed. [2019-10-22 11:22:43,818 INFO L443 ceAbstractionStarter]: For program point L501-17(lines 501 505) no Hoare annotation was computed. [2019-10-22 11:22:43,818 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 411) no Hoare annotation was computed. [2019-10-22 11:22:43,818 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 403 411) no Hoare annotation was computed. [2019-10-22 11:22:43,818 INFO L443 ceAbstractionStarter]: For program point L403-2(lines 403 411) no Hoare annotation was computed. [2019-10-22 11:22:43,819 INFO L439 ceAbstractionStarter]: At program point L271(lines 266 274) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)) (and .cse0 (= ~pumpRunning~0 0) .cse3) (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3))) [2019-10-22 11:22:43,819 INFO L439 ceAbstractionStarter]: At program point L271-1(lines 266 274) the Hoare annotation is: false [2019-10-22 11:22:43,819 INFO L443 ceAbstractionStarter]: For program point L205(lines 205 215) no Hoare annotation was computed. [2019-10-22 11:22:43,819 INFO L439 ceAbstractionStarter]: At program point L271-2(lines 266 274) the Hoare annotation is: false [2019-10-22 11:22:43,819 INFO L443 ceAbstractionStarter]: For program point L205-2(lines 205 215) no Hoare annotation was computed. [2019-10-22 11:22:43,819 INFO L439 ceAbstractionStarter]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 11:22:43,819 INFO L443 ceAbstractionStarter]: For program point L205-4(lines 205 215) no Hoare annotation was computed. [2019-10-22 11:22:43,820 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 575) no Hoare annotation was computed. [2019-10-22 11:22:43,820 INFO L439 ceAbstractionStarter]: At program point L569-1(lines 569 575) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (= ~pumpRunning~0 0) .cse1) (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (and .cse0 .cse1)))) [2019-10-22 11:22:43,820 INFO L443 ceAbstractionStarter]: For program point L206(lines 206 212) no Hoare annotation was computed. [2019-10-22 11:22:43,820 INFO L443 ceAbstractionStarter]: For program point L206-2(lines 206 212) no Hoare annotation was computed. [2019-10-22 11:22:43,820 INFO L443 ceAbstractionStarter]: For program point L206-4(lines 206 212) no Hoare annotation was computed. [2019-10-22 11:22:43,820 INFO L439 ceAbstractionStarter]: At program point L141(lines 137 143) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 11:22:43,820 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 390) no Hoare annotation was computed. [2019-10-22 11:22:43,820 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 390) no Hoare annotation was computed. [2019-10-22 11:22:43,821 INFO L443 ceAbstractionStarter]: For program point L373-2(lines 373 390) no Hoare annotation was computed. [2019-10-22 11:22:43,821 INFO L443 ceAbstractionStarter]: For program point L373-3(lines 373 390) no Hoare annotation was computed. [2019-10-22 11:22:43,821 INFO L443 ceAbstractionStarter]: For program point L373-4(lines 373 390) no Hoare annotation was computed. [2019-10-22 11:22:43,821 INFO L443 ceAbstractionStarter]: For program point L373-5(lines 373 390) no Hoare annotation was computed. [2019-10-22 11:22:43,821 INFO L439 ceAbstractionStarter]: At program point L341(lines 340 359) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 .cse1 .cse2) (= 0 ~methAndRunningLastTime~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and (<= 1 ~pumpRunning~0) (not (= 0 ~waterLevel~0)) (and .cse0 .cse2)))) [2019-10-22 11:22:43,821 INFO L443 ceAbstractionStarter]: For program point L341-1(lines 341 347) no Hoare annotation was computed. [2019-10-22 11:22:43,821 INFO L439 ceAbstractionStarter]: At program point L341-2(lines 340 359) the Hoare annotation is: false [2019-10-22 11:22:43,822 INFO L439 ceAbstractionStarter]: At program point L341-3(lines 340 359) the Hoare annotation is: false [2019-10-22 11:22:43,822 INFO L446 ceAbstractionStarter]: At program point L176(lines 157 179) the Hoare annotation is: true [2019-10-22 11:22:43,822 INFO L439 ceAbstractionStarter]: At program point L507(lines 492 510) the Hoare annotation is: false [2019-10-22 11:22:43,822 INFO L439 ceAbstractionStarter]: At program point L507-1(lines 492 510) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4)) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse1 .cse2) (and .cse3 (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2)) (and .cse3 (and .cse0 .cse1 (= 0 ~methAndRunningLastTime~0) .cse2)))) [2019-10-22 11:22:43,823 INFO L439 ceAbstractionStarter]: At program point L507-2(lines 492 510) the Hoare annotation is: false [2019-10-22 11:22:43,823 INFO L439 ceAbstractionStarter]: At program point L507-3(lines 492 510) the Hoare annotation is: false [2019-10-22 11:22:43,823 INFO L439 ceAbstractionStarter]: At program point L507-4(lines 492 510) the Hoare annotation is: false [2019-10-22 11:22:43,823 INFO L439 ceAbstractionStarter]: At program point L507-5(lines 492 510) the Hoare annotation is: false [2019-10-22 11:22:43,823 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2019-10-22 11:22:43,823 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2019-10-22 11:22:43,823 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 385) no Hoare annotation was computed. [2019-10-22 11:22:43,824 INFO L443 ceAbstractionStarter]: For program point L377-1(lines 377 385) no Hoare annotation was computed. [2019-10-22 11:22:43,824 INFO L443 ceAbstractionStarter]: For program point L311(lines 311 317) no Hoare annotation was computed. [2019-10-22 11:22:43,824 INFO L443 ceAbstractionStarter]: For program point L377-2(lines 377 385) no Hoare annotation was computed. [2019-10-22 11:22:43,824 INFO L443 ceAbstractionStarter]: For program point L311-1(lines 311 317) no Hoare annotation was computed. [2019-10-22 11:22:43,824 INFO L443 ceAbstractionStarter]: For program point L377-3(lines 377 385) no Hoare annotation was computed. [2019-10-22 11:22:43,824 INFO L443 ceAbstractionStarter]: For program point L311-2(lines 311 317) no Hoare annotation was computed. [2019-10-22 11:22:43,824 INFO L443 ceAbstractionStarter]: For program point L377-4(lines 377 385) no Hoare annotation was computed. [2019-10-22 11:22:43,824 INFO L443 ceAbstractionStarter]: For program point L311-3(lines 311 317) no Hoare annotation was computed. [2019-10-22 11:22:43,824 INFO L443 ceAbstractionStarter]: For program point L377-5(lines 377 385) no Hoare annotation was computed. [2019-10-22 11:22:43,824 INFO L443 ceAbstractionStarter]: For program point L311-4(lines 311 317) no Hoare annotation was computed. [2019-10-22 11:22:43,824 INFO L443 ceAbstractionStarter]: For program point L311-5(lines 311 317) no Hoare annotation was computed. [2019-10-22 11:22:43,824 INFO L443 ceAbstractionStarter]: For program point L246(lines 246 250) no Hoare annotation was computed. [2019-10-22 11:22:43,824 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2019-10-22 11:22:43,825 INFO L443 ceAbstractionStarter]: For program point L579(lines 579 592) no Hoare annotation was computed. [2019-10-22 11:22:43,825 INFO L439 ceAbstractionStarter]: At program point L348(lines 348 354) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (<= 2 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)) (and .cse0 (= ~pumpRunning~0 0) .cse3) (and (and .cse1 (and .cse0 (= 0 ~methaneLevelCritical~0) .cse3)) .cse2))) [2019-10-22 11:22:43,825 INFO L439 ceAbstractionStarter]: At program point L348-1(lines 348 354) the Hoare annotation is: false [2019-10-22 11:22:43,825 INFO L439 ceAbstractionStarter]: At program point L348-2(lines 348 354) the Hoare annotation is: false [2019-10-22 11:22:43,825 INFO L443 ceAbstractionStarter]: For program point L976(line 976) no Hoare annotation was computed. [2019-10-22 11:22:43,825 INFO L443 ceAbstractionStarter]: For program point L976-1(line 976) no Hoare annotation was computed. [2019-10-22 11:22:43,825 INFO L443 ceAbstractionStarter]: For program point L976-2(line 976) no Hoare annotation was computed. [2019-10-22 11:22:43,825 INFO L439 ceAbstractionStarter]: At program point L316(lines 307 320) the Hoare annotation is: false [2019-10-22 11:22:43,826 INFO L439 ceAbstractionStarter]: At program point L316-1(lines 307 320) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse1 .cse2) (and .cse3 (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2)) (and .cse3 (and .cse0 .cse1 (= 0 ~methAndRunningLastTime~0) .cse2)))) [2019-10-22 11:22:43,826 INFO L439 ceAbstractionStarter]: At program point L316-2(lines 307 320) the Hoare annotation is: false [2019-10-22 11:22:43,826 INFO L439 ceAbstractionStarter]: At program point L316-3(lines 307 320) the Hoare annotation is: false [2019-10-22 11:22:43,826 INFO L439 ceAbstractionStarter]: At program point L316-4(lines 307 320) the Hoare annotation is: false [2019-10-22 11:22:43,826 INFO L439 ceAbstractionStarter]: At program point L316-5(lines 307 320) the Hoare annotation is: false [2019-10-22 11:22:43,826 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:22:43,826 INFO L443 ceAbstractionStarter]: For program point L550(lines 549 596) no Hoare annotation was computed. [2019-10-22 11:22:43,826 INFO L443 ceAbstractionStarter]: For program point L551(lines 551 555) no Hoare annotation was computed. [2019-10-22 11:22:43,826 INFO L439 ceAbstractionStarter]: At program point L452(lines 447 455) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1) (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1 (= 0 ~methAndRunningLastTime~0)))) [2019-10-22 11:22:43,826 INFO L439 ceAbstractionStarter]: At program point L452-1(lines 447 455) the Hoare annotation is: false [2019-10-22 11:22:43,826 INFO L439 ceAbstractionStarter]: At program point L452-2(lines 447 455) the Hoare annotation is: false [2019-10-22 11:22:43,826 INFO L439 ceAbstractionStarter]: At program point L90-2(lines 90 104) the Hoare annotation is: false [2019-10-22 11:22:43,827 INFO L443 ceAbstractionStarter]: For program point L520(lines 520 524) no Hoare annotation was computed. [2019-10-22 11:22:43,827 INFO L443 ceAbstractionStarter]: For program point L520-2(lines 520 524) no Hoare annotation was computed. [2019-10-22 11:22:43,827 INFO L443 ceAbstractionStarter]: For program point L520-3(lines 520 524) no Hoare annotation was computed. [2019-10-22 11:22:43,827 INFO L443 ceAbstractionStarter]: For program point L520-5(lines 520 524) no Hoare annotation was computed. [2019-10-22 11:22:43,827 INFO L443 ceAbstractionStarter]: For program point L520-6(lines 520 524) no Hoare annotation was computed. [2019-10-22 11:22:43,827 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:22:43,827 INFO L443 ceAbstractionStarter]: For program point L520-8(lines 520 524) no Hoare annotation was computed. [2019-10-22 11:22:43,828 INFO L439 ceAbstractionStarter]: At program point L190(lines 185 192) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 11:22:43,828 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-22 11:22:43,828 INFO L443 ceAbstractionStarter]: For program point L587(lines 587 591) no Hoare annotation was computed. [2019-10-22 11:22:43,828 INFO L439 ceAbstractionStarter]: At program point L587-2(lines 341 347) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (= ~pumpRunning~0 0) .cse1) (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (and .cse0 .cse1)))) [2019-10-22 11:22:43,828 INFO L443 ceAbstractionStarter]: For program point L258(lines 258 262) no Hoare annotation was computed. [2019-10-22 11:22:43,828 INFO L443 ceAbstractionStarter]: For program point L94(lines 94 98) no Hoare annotation was computed. [2019-10-22 11:22:43,828 INFO L443 ceAbstractionStarter]: For program point L94-1(lines 341 347) no Hoare annotation was computed. [2019-10-22 11:22:43,828 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:22:43,828 INFO L439 ceAbstractionStarter]: At program point L326(lines 321 329) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~pumpRunning~0) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~waterLevel~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:22:43,829 INFO L439 ceAbstractionStarter]: At program point L326-1(lines 321 329) the Hoare annotation is: false [2019-10-22 11:22:43,829 INFO L439 ceAbstractionStarter]: At program point L326-2(lines 321 329) the Hoare annotation is: false [2019-10-22 11:22:43,829 INFO L443 ceAbstractionStarter]: For program point L559(lines 559 565) no Hoare annotation was computed. [2019-10-22 11:22:43,829 INFO L439 ceAbstractionStarter]: At program point L559-1(lines 559 565) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (= ~pumpRunning~0 0) .cse1) (= 0 ~methAndRunningLastTime~0)) (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1))) [2019-10-22 11:22:43,829 INFO L439 ceAbstractionStarter]: At program point L526(lines 511 529) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~pumpRunning~0) (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~waterLevel~0)) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:22:43,829 INFO L439 ceAbstractionStarter]: At program point L526-1(lines 511 529) the Hoare annotation is: false [2019-10-22 11:22:43,829 INFO L439 ceAbstractionStarter]: At program point L526-2(lines 511 529) the Hoare annotation is: false [2019-10-22 11:22:43,829 INFO L439 ceAbstractionStarter]: At program point L65(lines 1 979) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 11:22:43,829 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:22:43,829 INFO L443 ceAbstractionStarter]: For program point L167(lines 167 174) no Hoare annotation was computed. [2019-10-22 11:22:43,829 INFO L446 ceAbstractionStarter]: At program point L167-1(lines 167 174) the Hoare annotation is: true [2019-10-22 11:22:43,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:22:43 BoogieIcfgContainer [2019-10-22 11:22:43,851 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:22:43,852 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:22:43,852 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:22:43,852 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:22:43,853 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:37" (3/4) ... [2019-10-22 11:22:43,856 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:22:43,873 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:22:43,874 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 11:22:43,875 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 11:22:43,876 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:22:43,877 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:22:43,877 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:22:43,906 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && 0 == splverifierCounter) [2019-10-22 11:22:43,906 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 1 <= pumpRunning) && 0 == \result) && !(0 == waterLevel)) && 0 == splverifierCounter [2019-10-22 11:22:43,907 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) || (2 <= waterLevel && ((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (2 <= waterLevel && ((1 == systemActive && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) [2019-10-22 11:22:43,907 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-10-22 11:22:43,908 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 1 <= pumpRunning) && 1 <= tmp___0) && 0 == \result) && !(0 == waterLevel)) && 0 == tmp) && 1 <= \result) && 0 == splverifierCounter [2019-10-22 11:22:43,908 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == \result && 1 == systemActive) && !(0 == tmp)) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) || (2 <= waterLevel && ((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (2 <= waterLevel && ((1 == systemActive && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) [2019-10-22 11:22:43,975 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_67ad52e4-3636-4dc4-b89a-3e810e8a97eb/bin/utaipan/witness.graphml [2019-10-22 11:22:43,978 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:22:43,979 INFO L168 Benchmark]: Toolchain (without parser) took 8117.10 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 324.0 MB). Free memory was 941.8 MB in the beginning and 884.6 MB in the end (delta: 57.2 MB). Peak memory consumption was 381.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:43,979 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:43,979 INFO L168 Benchmark]: CACSL2BoogieTranslator took 565.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -203.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:43,979 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.50 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:43,979 INFO L168 Benchmark]: Boogie Preprocessor took 68.60 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:43,979 INFO L168 Benchmark]: RCFGBuilder took 861.06 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: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:43,980 INFO L168 Benchmark]: TraceAbstraction took 6405.63 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 161.0 MB). Free memory was 1.1 GB in the beginning and 901.6 MB in the end (delta: 169.6 MB). Peak memory consumption was 337.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:43,980 INFO L168 Benchmark]: Witness Printer took 125.80 ms. Allocated memory is still 1.4 GB. Free memory was 901.6 MB in the beginning and 884.6 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:43,981 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 565.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -203.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 86.50 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 68.60 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 861.06 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: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6405.63 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 161.0 MB). Free memory was 1.1 GB in the beginning and 901.6 MB in the end (delta: 169.6 MB). Peak memory consumption was 337.7 MB. Max. memory is 11.5 GB. * Witness Printer took 125.80 ms. Allocated memory is still 1.4 GB. Free memory was 901.6 MB in the beginning and 884.6 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 976]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 976]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 976]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 1 <= pumpRunning) && 1 <= tmp___0) && 0 == \result) && !(0 == waterLevel)) && 0 == tmp) && 1 <= \result) && 0 == splverifierCounter - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((1 <= pumpRunning && !(0 == waterLevel)) && 1 == systemActive && 0 == splverifierCounter) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((1 <= pumpRunning && 2 <= waterLevel) && 1 == systemActive && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: ((((1 == systemActive && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) || (2 <= waterLevel && ((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (2 <= waterLevel && ((1 == systemActive && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: (((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((1 <= pumpRunning && 2 <= waterLevel) && 1 == systemActive && 0 == splverifierCounter) - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || ((1 <= pumpRunning && (1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 2 <= waterLevel) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: (((1 == systemActive && 1 <= pumpRunning) && 0 == \result) && !(0 == waterLevel)) && 0 == splverifierCounter - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: ((((((0 == \result && 1 == systemActive) && !(0 == tmp)) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) || (2 <= waterLevel && ((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (2 <= waterLevel && ((1 == systemActive && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 121 locations, 3 error locations. Result: SAFE, OverallTime: 6.3s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, HoareTripleCheckerStatistics: 1243 SDtfs, 1443 SDslu, 1709 SDs, 0 SdLazy, 216 SolverSat, 48 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 308 GetRequests, 254 SyntacticMatches, 4 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=234occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 773 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 209 NumberOfFragments, 519 HoareAnnotationTreeSize, 44 FomulaSimplifications, 400690 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 44 FomulaSimplificationsInter, 14965 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 574 NumberOfCodeBlocks, 574 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 673 ConstructedInterpolants, 0 QuantifiedInterpolants, 49421 SizeOfPredicates, 5 NumberOfNonLiveVariables, 848 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 17 InterpolantComputations, 15 PerfectInterpolantSequences, 137/140 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...