./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product49.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_22108f73-ee07-4e57-951c-fae3dc581e7d/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_22108f73-ee07-4e57-951c-fae3dc581e7d/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_22108f73-ee07-4e57-951c-fae3dc581e7d/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_22108f73-ee07-4e57-951c-fae3dc581e7d/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_22108f73-ee07-4e57-951c-fae3dc581e7d/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_22108f73-ee07-4e57-951c-fae3dc581e7d/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 4b859e272d72137c2ddb07ede97bfa3dea2dc5e9 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:24:13,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:24:13,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:24:13,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:24:13,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:24:13,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:24:13,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:24:13,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:24:13,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:24:13,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:24:13,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:24:13,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:24:13,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:24:13,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:24:13,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:24:13,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:24:13,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:24:13,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:24:13,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:24:13,172 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:24:13,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:24:13,174 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:24:13,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:24:13,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:24:13,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:24:13,178 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:24:13,178 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:24:13,179 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:24:13,179 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:24:13,180 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:24:13,180 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:24:13,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:24:13,182 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:24:13,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:24:13,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:24:13,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:24:13,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:24:13,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:24:13,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:24:13,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:24:13,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:24:13,186 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_22108f73-ee07-4e57-951c-fae3dc581e7d/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:24:13,198 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:24:13,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:24:13,202 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:24:13,203 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:24:13,203 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:24:13,203 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:24:13,203 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:24:13,203 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:24:13,203 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:24:13,204 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:24:13,204 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:24:13,204 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:24:13,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:24:13,205 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:24:13,205 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:24:13,205 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:24:13,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:24:13,205 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:24:13,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:24:13,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:24:13,206 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:24:13,206 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:24:13,206 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:24:13,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:24:13,207 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:24:13,207 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:24:13,207 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:24:13,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:24:13,208 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:24:13,208 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:24:13,208 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:24:13,208 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:24:13,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:24:13,208 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:24:13,209 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:24:13,209 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_22108f73-ee07-4e57-951c-fae3dc581e7d/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 -> 4b859e272d72137c2ddb07ede97bfa3dea2dc5e9 [2019-10-22 11:24:13,233 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:24:13,247 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:24:13,250 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:24:13,251 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:24:13,251 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:24:13,252 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_22108f73-ee07-4e57-951c-fae3dc581e7d/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2019-10-22 11:24:13,299 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22108f73-ee07-4e57-951c-fae3dc581e7d/bin/utaipan/data/75b090c5e/a4501b68322240fdbdd053e45ac03621/FLAG611dbb77f [2019-10-22 11:24:13,716 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:24:13,717 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_22108f73-ee07-4e57-951c-fae3dc581e7d/sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2019-10-22 11:24:13,732 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22108f73-ee07-4e57-951c-fae3dc581e7d/bin/utaipan/data/75b090c5e/a4501b68322240fdbdd053e45ac03621/FLAG611dbb77f [2019-10-22 11:24:14,092 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_22108f73-ee07-4e57-951c-fae3dc581e7d/bin/utaipan/data/75b090c5e/a4501b68322240fdbdd053e45ac03621 [2019-10-22 11:24:14,095 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:24:14,096 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:24:14,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:14,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:24:14,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:24:14,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:14" (1/1) ... [2019-10-22 11:24:14,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3df6e0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:14, skipping insertion in model container [2019-10-22 11:24:14,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:14" (1/1) ... [2019-10-22 11:24:14,110 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:24:14,152 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:24:14,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:14,497 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:24:14,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:14,601 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:24:14,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:14 WrapperNode [2019-10-22 11:24:14,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:14,602 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:14,603 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:24:14,603 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:24:14,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:14" (1/1) ... [2019-10-22 11:24:14,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:14" (1/1) ... [2019-10-22 11:24:14,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:14,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:24:14,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:24:14,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:24:14,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:14" (1/1) ... [2019-10-22 11:24:14,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:14" (1/1) ... [2019-10-22 11:24:14,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:14" (1/1) ... [2019-10-22 11:24:14,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:14" (1/1) ... [2019-10-22 11:24:14,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:14" (1/1) ... [2019-10-22 11:24:14,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:14" (1/1) ... [2019-10-22 11:24:14,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:14" (1/1) ... [2019-10-22 11:24:14,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:24:14,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:24:14,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:24:14,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:24:14,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22108f73-ee07-4e57-951c-fae3dc581e7d/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 11:24:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:24:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:24:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:24:14,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:24:15,657 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:24:15,657 INFO L284 CfgBuilder]: Removed 158 assume(true) statements. [2019-10-22 11:24:15,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:15 BoogieIcfgContainer [2019-10-22 11:24:15,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:24:15,659 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:24:15,659 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:24:15,663 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:24:15,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:24:14" (1/3) ... [2019-10-22 11:24:15,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d94e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:24:15, skipping insertion in model container [2019-10-22 11:24:15,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:14" (2/3) ... [2019-10-22 11:24:15,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d94e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:24:15, skipping insertion in model container [2019-10-22 11:24:15,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:15" (3/3) ... [2019-10-22 11:24:15,666 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product49.cil.c [2019-10-22 11:24:15,675 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:24:15,682 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:24:15,692 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:24:15,713 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:24:15,714 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:24:15,714 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:24:15,714 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:24:15,714 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:24:15,714 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:24:15,714 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:24:15,714 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:24:15,729 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2019-10-22 11:24:15,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 11:24:15,735 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:15,736 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 11:24:15,738 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:15,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:15,742 INFO L82 PathProgramCache]: Analyzing trace with hash 682439968, now seen corresponding path program 1 times [2019-10-22 11:24:15,748 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:15,748 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234767220] [2019-10-22 11:24:15,748 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:15,749 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:15,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:15,920 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 11:24:15,920 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234767220] [2019-10-22 11:24:15,921 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:15,921 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:24:15,922 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007978124] [2019-10-22 11:24:15,925 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:24:15,927 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:15,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:24:15,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:24:15,941 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2019-10-22 11:24:15,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:15,970 INFO L93 Difference]: Finished difference Result 235 states and 360 transitions. [2019-10-22 11:24:15,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:24:15,971 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 11:24:15,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:15,981 INFO L225 Difference]: With dead ends: 235 [2019-10-22 11:24:15,981 INFO L226 Difference]: Without dead ends: 117 [2019-10-22 11:24:15,984 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 11:24:16,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-10-22 11:24:16,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-10-22 11:24:16,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-10-22 11:24:16,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 172 transitions. [2019-10-22 11:24:16,025 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 172 transitions. Word has length 18 [2019-10-22 11:24:16,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:16,025 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 172 transitions. [2019-10-22 11:24:16,025 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:24:16,025 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2019-10-22 11:24:16,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 11:24:16,026 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:16,026 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 11:24:16,027 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:16,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:16,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1011956893, now seen corresponding path program 1 times [2019-10-22 11:24:16,027 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:16,027 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236193177] [2019-10-22 11:24:16,027 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:16,028 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:16,028 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:16,143 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 11:24:16,144 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236193177] [2019-10-22 11:24:16,144 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:16,144 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:24:16,144 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729832775] [2019-10-22 11:24:16,146 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:24:16,146 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:16,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:24:16,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:24:16,146 INFO L87 Difference]: Start difference. First operand 117 states and 172 transitions. Second operand 3 states. [2019-10-22 11:24:16,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:16,161 INFO L93 Difference]: Finished difference Result 117 states and 172 transitions. [2019-10-22 11:24:16,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:24:16,168 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 11:24:16,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:16,168 INFO L225 Difference]: With dead ends: 117 [2019-10-22 11:24:16,168 INFO L226 Difference]: Without dead ends: 49 [2019-10-22 11:24:16,169 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 11:24:16,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-10-22 11:24:16,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-10-22 11:24:16,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-10-22 11:24:16,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2019-10-22 11:24:16,174 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2019-10-22 11:24:16,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:16,175 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2019-10-22 11:24:16,175 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:24:16,175 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2019-10-22 11:24:16,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:24:16,177 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:16,177 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 11:24:16,178 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:16,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:16,178 INFO L82 PathProgramCache]: Analyzing trace with hash 136399670, now seen corresponding path program 1 times [2019-10-22 11:24:16,178 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:16,178 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860783861] [2019-10-22 11:24:16,178 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:16,179 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:16,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:16,295 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 11:24:16,296 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860783861] [2019-10-22 11:24:16,296 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:16,296 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:24:16,296 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603575560] [2019-10-22 11:24:16,297 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:24:16,297 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:16,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:24:16,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:24:16,297 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2019-10-22 11:24:16,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:16,311 INFO L93 Difference]: Finished difference Result 91 states and 135 transitions. [2019-10-22 11:24:16,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:24:16,316 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-22 11:24:16,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:16,317 INFO L225 Difference]: With dead ends: 91 [2019-10-22 11:24:16,317 INFO L226 Difference]: Without dead ends: 49 [2019-10-22 11:24:16,318 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 11:24:16,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-10-22 11:24:16,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-10-22 11:24:16,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-10-22 11:24:16,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2019-10-22 11:24:16,323 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2019-10-22 11:24:16,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:16,326 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2019-10-22 11:24:16,327 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:24:16,327 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2019-10-22 11:24:16,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 11:24:16,327 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:16,327 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 11:24:16,328 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:16,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:16,328 INFO L82 PathProgramCache]: Analyzing trace with hash 616180244, now seen corresponding path program 1 times [2019-10-22 11:24:16,328 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:16,328 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913981002] [2019-10-22 11:24:16,329 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:16,329 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:16,329 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:16,407 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 11:24:16,408 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913981002] [2019-10-22 11:24:16,408 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:16,408 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:24:16,408 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725250969] [2019-10-22 11:24:16,408 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:24:16,409 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:16,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:24:16,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:24:16,409 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2019-10-22 11:24:16,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:16,439 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2019-10-22 11:24:16,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:24:16,440 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-22 11:24:16,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:16,441 INFO L225 Difference]: With dead ends: 113 [2019-10-22 11:24:16,441 INFO L226 Difference]: Without dead ends: 71 [2019-10-22 11:24:16,441 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 11:24:16,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-10-22 11:24:16,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2019-10-22 11:24:16,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2019-10-22 11:24:16,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 98 transitions. [2019-10-22 11:24:16,449 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 98 transitions. Word has length 26 [2019-10-22 11:24:16,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:16,449 INFO L462 AbstractCegarLoop]: Abstraction has 69 states and 98 transitions. [2019-10-22 11:24:16,449 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:24:16,449 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2019-10-22 11:24:16,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 11:24:16,450 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:16,450 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 11:24:16,451 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:16,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:16,451 INFO L82 PathProgramCache]: Analyzing trace with hash -604593117, now seen corresponding path program 1 times [2019-10-22 11:24:16,451 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:16,452 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818398538] [2019-10-22 11:24:16,452 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:16,452 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:16,452 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:16,534 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 11:24:16,534 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818398538] [2019-10-22 11:24:16,534 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:16,535 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:24:16,535 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441041689] [2019-10-22 11:24:16,535 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:24:16,535 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:16,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:24:16,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:24:16,536 INFO L87 Difference]: Start difference. First operand 69 states and 98 transitions. Second operand 5 states. [2019-10-22 11:24:16,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:16,653 INFO L93 Difference]: Finished difference Result 182 states and 258 transitions. [2019-10-22 11:24:16,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:24:16,655 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-10-22 11:24:16,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:16,656 INFO L225 Difference]: With dead ends: 182 [2019-10-22 11:24:16,656 INFO L226 Difference]: Without dead ends: 120 [2019-10-22 11:24:16,656 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 11:24:16,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-10-22 11:24:16,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 75. [2019-10-22 11:24:16,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-10-22 11:24:16,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2019-10-22 11:24:16,672 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 32 [2019-10-22 11:24:16,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:16,672 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2019-10-22 11:24:16,672 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:24:16,672 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2019-10-22 11:24:16,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 11:24:16,673 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:16,673 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 11:24:16,673 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:16,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:16,674 INFO L82 PathProgramCache]: Analyzing trace with hash 328870592, now seen corresponding path program 1 times [2019-10-22 11:24:16,674 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:16,674 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409439763] [2019-10-22 11:24:16,674 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:16,674 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:16,674 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:16,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:16,763 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 11:24:16,764 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409439763] [2019-10-22 11:24:16,764 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:16,764 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:24:16,764 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466676205] [2019-10-22 11:24:16,764 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:24:16,765 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:16,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:24:16,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:24:16,765 INFO L87 Difference]: Start difference. First operand 75 states and 104 transitions. Second operand 5 states. [2019-10-22 11:24:16,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:16,862 INFO L93 Difference]: Finished difference Result 387 states and 547 transitions. [2019-10-22 11:24:16,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:24:16,864 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-10-22 11:24:16,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:16,866 INFO L225 Difference]: With dead ends: 387 [2019-10-22 11:24:16,866 INFO L226 Difference]: Without dead ends: 319 [2019-10-22 11:24:16,867 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 11:24:16,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2019-10-22 11:24:16,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 135. [2019-10-22 11:24:16,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-10-22 11:24:16,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 186 transitions. [2019-10-22 11:24:16,896 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 186 transitions. Word has length 32 [2019-10-22 11:24:16,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:16,897 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 186 transitions. [2019-10-22 11:24:16,897 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:24:16,897 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 186 transitions. [2019-10-22 11:24:16,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 11:24:16,898 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:16,898 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 11:24:16,898 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:16,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:16,898 INFO L82 PathProgramCache]: Analyzing trace with hash 328714056, now seen corresponding path program 1 times [2019-10-22 11:24:16,899 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:16,899 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860669562] [2019-10-22 11:24:16,902 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:16,902 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:16,902 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:16,962 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 11:24:16,962 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860669562] [2019-10-22 11:24:16,962 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:16,962 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:24:16,962 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872233370] [2019-10-22 11:24:16,963 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:24:16,963 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:16,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:24:16,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:24:16,964 INFO L87 Difference]: Start difference. First operand 135 states and 186 transitions. Second operand 5 states. [2019-10-22 11:24:17,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:17,064 INFO L93 Difference]: Finished difference Result 506 states and 701 transitions. [2019-10-22 11:24:17,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:24:17,065 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-10-22 11:24:17,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:17,066 INFO L225 Difference]: With dead ends: 506 [2019-10-22 11:24:17,067 INFO L226 Difference]: Without dead ends: 378 [2019-10-22 11:24:17,067 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 11:24:17,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2019-10-22 11:24:17,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 134. [2019-10-22 11:24:17,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-10-22 11:24:17,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 183 transitions. [2019-10-22 11:24:17,083 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 183 transitions. Word has length 33 [2019-10-22 11:24:17,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:17,083 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 183 transitions. [2019-10-22 11:24:17,083 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:24:17,083 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 183 transitions. [2019-10-22 11:24:17,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 11:24:17,084 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:17,084 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 11:24:17,085 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:17,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:17,085 INFO L82 PathProgramCache]: Analyzing trace with hash 96314925, now seen corresponding path program 1 times [2019-10-22 11:24:17,085 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:17,085 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773587771] [2019-10-22 11:24:17,085 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:17,086 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:17,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:17,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:17,130 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 11:24:17,131 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773587771] [2019-10-22 11:24:17,131 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:17,131 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:24:17,131 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056486693] [2019-10-22 11:24:17,132 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:24:17,132 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:17,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:24:17,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:24:17,132 INFO L87 Difference]: Start difference. First operand 134 states and 183 transitions. Second operand 5 states. [2019-10-22 11:24:17,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:17,210 INFO L93 Difference]: Finished difference Result 357 states and 483 transitions. [2019-10-22 11:24:17,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:24:17,211 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-10-22 11:24:17,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:17,212 INFO L225 Difference]: With dead ends: 357 [2019-10-22 11:24:17,212 INFO L226 Difference]: Without dead ends: 230 [2019-10-22 11:24:17,212 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 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 11:24:17,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2019-10-22 11:24:17,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 142. [2019-10-22 11:24:17,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-10-22 11:24:17,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 191 transitions. [2019-10-22 11:24:17,251 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 191 transitions. Word has length 33 [2019-10-22 11:24:17,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:17,252 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 191 transitions. [2019-10-22 11:24:17,252 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:24:17,252 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2019-10-22 11:24:17,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 11:24:17,253 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:17,253 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 11:24:17,253 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:17,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:17,253 INFO L82 PathProgramCache]: Analyzing trace with hash -490491089, now seen corresponding path program 1 times [2019-10-22 11:24:17,254 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:17,254 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065052789] [2019-10-22 11:24:17,254 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:17,254 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:17,254 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:17,292 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 11:24:17,292 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065052789] [2019-10-22 11:24:17,292 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:17,292 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:24:17,293 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773586580] [2019-10-22 11:24:17,293 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:24:17,293 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:17,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:24:17,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:24:17,293 INFO L87 Difference]: Start difference. First operand 142 states and 191 transitions. Second operand 3 states. [2019-10-22 11:24:17,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:17,324 INFO L93 Difference]: Finished difference Result 327 states and 439 transitions. [2019-10-22 11:24:17,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:24:17,325 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-10-22 11:24:17,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:17,326 INFO L225 Difference]: With dead ends: 327 [2019-10-22 11:24:17,326 INFO L226 Difference]: Without dead ends: 192 [2019-10-22 11:24:17,326 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 11:24:17,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2019-10-22 11:24:17,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2019-10-22 11:24:17,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2019-10-22 11:24:17,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 251 transitions. [2019-10-22 11:24:17,345 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 251 transitions. Word has length 33 [2019-10-22 11:24:17,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:17,346 INFO L462 AbstractCegarLoop]: Abstraction has 192 states and 251 transitions. [2019-10-22 11:24:17,346 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:24:17,346 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 251 transitions. [2019-10-22 11:24:17,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 11:24:17,347 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:17,347 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 11:24:17,351 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:17,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:17,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1404141039, now seen corresponding path program 1 times [2019-10-22 11:24:17,352 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:17,352 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427732312] [2019-10-22 11:24:17,352 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:17,352 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:17,352 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:17,395 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 11:24:17,395 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427732312] [2019-10-22 11:24:17,395 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:17,395 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:24:17,395 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143372801] [2019-10-22 11:24:17,396 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:24:17,396 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:17,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:24:17,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:24:17,396 INFO L87 Difference]: Start difference. First operand 192 states and 251 transitions. Second operand 3 states. [2019-10-22 11:24:17,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:17,433 INFO L93 Difference]: Finished difference Result 295 states and 389 transitions. [2019-10-22 11:24:17,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:24:17,434 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-10-22 11:24:17,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:17,435 INFO L225 Difference]: With dead ends: 295 [2019-10-22 11:24:17,435 INFO L226 Difference]: Without dead ends: 293 [2019-10-22 11:24:17,435 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 11:24:17,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2019-10-22 11:24:17,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 234. [2019-10-22 11:24:17,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2019-10-22 11:24:17,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 313 transitions. [2019-10-22 11:24:17,454 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 313 transitions. Word has length 34 [2019-10-22 11:24:17,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:17,454 INFO L462 AbstractCegarLoop]: Abstraction has 234 states and 313 transitions. [2019-10-22 11:24:17,454 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:24:17,454 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 313 transitions. [2019-10-22 11:24:17,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-22 11:24:17,456 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:17,457 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 11:24:17,457 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:17,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:17,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1385466613, now seen corresponding path program 1 times [2019-10-22 11:24:17,457 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:17,457 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393472614] [2019-10-22 11:24:17,458 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:17,458 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:17,458 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:17,503 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:24:17,503 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393472614] [2019-10-22 11:24:17,503 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170935594] [2019-10-22 11:24:17,503 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22108f73-ee07-4e57-951c-fae3dc581e7d/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 11:24:17,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:17,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:24:17,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:24:17,642 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 11:24:17,642 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:24:17,656 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 11:24:17,656 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-22 11:24:17,657 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 5 [2019-10-22 11:24:17,657 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515907951] [2019-10-22 11:24:17,657 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:24:17,657 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:17,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:24:17,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:24:17,658 INFO L87 Difference]: Start difference. First operand 234 states and 313 transitions. Second operand 3 states. [2019-10-22 11:24:17,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:17,712 INFO L93 Difference]: Finished difference Result 374 states and 510 transitions. [2019-10-22 11:24:17,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:24:17,712 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-10-22 11:24:17,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:17,713 INFO L225 Difference]: With dead ends: 374 [2019-10-22 11:24:17,713 INFO L226 Difference]: Without dead ends: 197 [2019-10-22 11:24:17,714 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 114 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 11:24:17,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2019-10-22 11:24:17,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2019-10-22 11:24:17,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2019-10-22 11:24:17,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 255 transitions. [2019-10-22 11:24:17,735 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 255 transitions. Word has length 58 [2019-10-22 11:24:17,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:17,736 INFO L462 AbstractCegarLoop]: Abstraction has 197 states and 255 transitions. [2019-10-22 11:24:17,737 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:24:17,737 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 255 transitions. [2019-10-22 11:24:17,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-22 11:24:17,738 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:17,738 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 11:24:17,939 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:24:17,939 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:17,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:17,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1874884889, now seen corresponding path program 1 times [2019-10-22 11:24:17,939 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:17,940 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244684407] [2019-10-22 11:24:17,940 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:17,940 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:17,940 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:17,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:18,001 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 11:24:18,001 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244684407] [2019-10-22 11:24:18,001 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231836304] [2019-10-22 11:24:18,001 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22108f73-ee07-4e57-951c-fae3dc581e7d/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 11:24:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:18,101 INFO L256 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:24:18,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:24:18,132 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 11:24:18,132 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:24:18,155 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 11:24:18,156 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-22 11:24:18,156 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [6] total 9 [2019-10-22 11:24:18,156 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184735817] [2019-10-22 11:24:18,157 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:24:18,157 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:18,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:24:18,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:24:18,157 INFO L87 Difference]: Start difference. First operand 197 states and 255 transitions. Second operand 5 states. [2019-10-22 11:24:18,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:18,210 INFO L93 Difference]: Finished difference Result 494 states and 655 transitions. [2019-10-22 11:24:18,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:24:18,210 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-10-22 11:24:18,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:18,211 INFO L225 Difference]: With dead ends: 494 [2019-10-22 11:24:18,211 INFO L226 Difference]: Without dead ends: 354 [2019-10-22 11:24:18,212 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 112 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 11:24:18,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2019-10-22 11:24:18,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 203. [2019-10-22 11:24:18,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2019-10-22 11:24:18,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 261 transitions. [2019-10-22 11:24:18,228 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 261 transitions. Word has length 58 [2019-10-22 11:24:18,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:18,228 INFO L462 AbstractCegarLoop]: Abstraction has 203 states and 261 transitions. [2019-10-22 11:24:18,228 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:24:18,229 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 261 transitions. [2019-10-22 11:24:18,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-22 11:24:18,229 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:18,229 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 11:24:18,430 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:24:18,430 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:18,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:18,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1616719451, now seen corresponding path program 1 times [2019-10-22 11:24:18,431 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:18,432 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520320168] [2019-10-22 11:24:18,432 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:18,432 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:18,432 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:18,523 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 11:24:18,524 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520320168] [2019-10-22 11:24:18,524 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:18,524 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:24:18,524 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109827324] [2019-10-22 11:24:18,524 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:24:18,525 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:18,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:24:18,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:24:18,525 INFO L87 Difference]: Start difference. First operand 203 states and 261 transitions. Second operand 6 states. [2019-10-22 11:24:18,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:18,680 INFO L93 Difference]: Finished difference Result 585 states and 768 transitions. [2019-10-22 11:24:18,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:24:18,680 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-10-22 11:24:18,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:18,681 INFO L225 Difference]: With dead ends: 585 [2019-10-22 11:24:18,681 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:24:18,681 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 11:24:18,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:24:18,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:24:18,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:24:18,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:24:18,682 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-10-22 11:24:18,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:18,682 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:24:18,682 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:24:18,682 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:24:18,683 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:24:18,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:24:18,852 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 77 [2019-10-22 11:24:19,618 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 18 [2019-10-22 11:24:19,827 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 18 [2019-10-22 11:24:20,052 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 22 [2019-10-22 11:24:20,208 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 23 [2019-10-22 11:24:20,400 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 22 [2019-10-22 11:24:20,514 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2019-10-22 11:24:20,815 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 21 [2019-10-22 11:24:20,993 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 19 [2019-10-22 11:24:20,997 INFO L443 ceAbstractionStarter]: For program point L530-17(lines 530 534) no Hoare annotation was computed. [2019-10-22 11:24:20,997 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 930) no Hoare annotation was computed. [2019-10-22 11:24:20,997 INFO L443 ceAbstractionStarter]: For program point L432(lines 432 440) no Hoare annotation was computed. [2019-10-22 11:24:20,997 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 432 440) no Hoare annotation was computed. [2019-10-22 11:24:20,997 INFO L443 ceAbstractionStarter]: For program point L432-2(lines 432 440) no Hoare annotation was computed. [2019-10-22 11:24:20,997 INFO L443 ceAbstractionStarter]: For program point L235(lines 235 241) no Hoare annotation was computed. [2019-10-22 11:24:20,997 INFO L443 ceAbstractionStarter]: For program point L235-1(lines 235 241) no Hoare annotation was computed. [2019-10-22 11:24:20,997 INFO L443 ceAbstractionStarter]: For program point L235-2(lines 235 241) no Hoare annotation was computed. [2019-10-22 11:24:20,997 INFO L443 ceAbstractionStarter]: For program point L235-3(lines 235 241) no Hoare annotation was computed. [2019-10-22 11:24:20,998 INFO L439 ceAbstractionStarter]: At program point L103(lines 99 105) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 11:24:20,998 INFO L443 ceAbstractionStarter]: For program point L235-4(lines 235 241) no Hoare annotation was computed. [2019-10-22 11:24:20,998 INFO L443 ceAbstractionStarter]: For program point L235-5(lines 235 241) no Hoare annotation was computed. [2019-10-22 11:24:20,998 INFO L443 ceAbstractionStarter]: For program point L170(lines 170 174) no Hoare annotation was computed. [2019-10-22 11:24:20,998 INFO L443 ceAbstractionStarter]: For program point L930(line 930) no Hoare annotation was computed. [2019-10-22 11:24:20,998 INFO L443 ceAbstractionStarter]: For program point L930-1(line 930) no Hoare annotation was computed. [2019-10-22 11:24:20,998 INFO L443 ceAbstractionStarter]: For program point L930-2(line 930) no Hoare annotation was computed. [2019-10-22 11:24:20,998 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 930) no Hoare annotation was computed. [2019-10-22 11:24:20,998 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 419) no Hoare annotation was computed. [2019-10-22 11:24:20,998 INFO L443 ceAbstractionStarter]: For program point L402-1(lines 402 419) no Hoare annotation was computed. [2019-10-22 11:24:20,998 INFO L443 ceAbstractionStarter]: For program point L336(lines 336 347) no Hoare annotation was computed. [2019-10-22 11:24:20,999 INFO L443 ceAbstractionStarter]: For program point L402-2(lines 402 419) no Hoare annotation was computed. [2019-10-22 11:24:20,999 INFO L443 ceAbstractionStarter]: For program point L402-3(lines 402 419) no Hoare annotation was computed. [2019-10-22 11:24:20,999 INFO L443 ceAbstractionStarter]: For program point L402-4(lines 402 419) no Hoare annotation was computed. [2019-10-22 11:24:20,999 INFO L443 ceAbstractionStarter]: For program point L402-5(lines 402 419) no Hoare annotation was computed. [2019-10-22 11:24:21,002 INFO L439 ceAbstractionStarter]: At program point L370(lines 369 388) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and (<= 1 ~pumpRunning~0) (not (= 0 ~waterLevel~0)) (and .cse0 .cse2)) (and .cse0 .cse1 .cse2 (= 0 ~methAndRunningLastTime~0)))) [2019-10-22 11:24:21,002 INFO L443 ceAbstractionStarter]: For program point L370-1(lines 370 376) no Hoare annotation was computed. [2019-10-22 11:24:21,002 INFO L439 ceAbstractionStarter]: At program point L370-2(lines 369 388) the Hoare annotation is: false [2019-10-22 11:24:21,002 INFO L439 ceAbstractionStarter]: At program point L370-3(lines 369 388) the Hoare annotation is: false [2019-10-22 11:24:21,002 INFO L439 ceAbstractionStarter]: At program point L965(lines 960 968) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 11:24:21,003 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 930) no Hoare annotation was computed. [2019-10-22 11:24:21,003 INFO L439 ceAbstractionStarter]: At program point L536(lines 521 539) the Hoare annotation is: false [2019-10-22 11:24:21,003 INFO L439 ceAbstractionStarter]: At program point L536-1(lines 521 539) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (and .cse1 (and .cse0 .cse2 (= 0 ~methAndRunningLastTime~0) .cse3)) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~5)) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2) .cse2 .cse3))) [2019-10-22 11:24:21,003 INFO L439 ceAbstractionStarter]: At program point L536-2(lines 521 539) the Hoare annotation is: false [2019-10-22 11:24:21,003 INFO L439 ceAbstractionStarter]: At program point L536-3(lines 521 539) the Hoare annotation is: false [2019-10-22 11:24:21,003 INFO L439 ceAbstractionStarter]: At program point L536-4(lines 521 539) the Hoare annotation is: false [2019-10-22 11:24:21,003 INFO L439 ceAbstractionStarter]: At program point L536-5(lines 521 539) the Hoare annotation is: false [2019-10-22 11:24:21,003 INFO L439 ceAbstractionStarter]: At program point L240(lines 231 244) the Hoare annotation is: false [2019-10-22 11:24:21,003 INFO L439 ceAbstractionStarter]: At program point L240-1(lines 231 244) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (and .cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse2 .cse3) (and .cse1 (and .cse0 .cse2 (= 0 ~methAndRunningLastTime~0) .cse3)))) [2019-10-22 11:24:21,004 INFO L439 ceAbstractionStarter]: At program point L240-2(lines 231 244) the Hoare annotation is: false [2019-10-22 11:24:21,004 INFO L439 ceAbstractionStarter]: At program point L240-3(lines 231 244) the Hoare annotation is: false [2019-10-22 11:24:21,004 INFO L446 ceAbstractionStarter]: At program point L141(lines 122 144) the Hoare annotation is: true [2019-10-22 11:24:21,004 INFO L439 ceAbstractionStarter]: At program point L240-4(lines 231 244) the Hoare annotation is: false [2019-10-22 11:24:21,004 INFO L439 ceAbstractionStarter]: At program point L240-5(lines 231 244) the Hoare annotation is: false [2019-10-22 11:24:21,004 INFO L443 ceAbstractionStarter]: For program point L406(lines 406 414) no Hoare annotation was computed. [2019-10-22 11:24:21,004 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 406 414) no Hoare annotation was computed. [2019-10-22 11:24:21,004 INFO L443 ceAbstractionStarter]: For program point L406-2(lines 406 414) no Hoare annotation was computed. [2019-10-22 11:24:21,004 INFO L443 ceAbstractionStarter]: For program point L307(lines 306 351) no Hoare annotation was computed. [2019-10-22 11:24:21,004 INFO L443 ceAbstractionStarter]: For program point L406-3(lines 406 414) no Hoare annotation was computed. [2019-10-22 11:24:21,004 INFO L443 ceAbstractionStarter]: For program point L274(lines 274 291) no Hoare annotation was computed. [2019-10-22 11:24:21,004 INFO L443 ceAbstractionStarter]: For program point L406-4(lines 406 414) no Hoare annotation was computed. [2019-10-22 11:24:21,004 INFO L439 ceAbstractionStarter]: At program point L274-1(lines 1 968) 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 11:24:21,005 INFO L443 ceAbstractionStarter]: For program point L406-5(lines 406 414) no Hoare annotation was computed. [2019-10-22 11:24:21,005 INFO L443 ceAbstractionStarter]: For program point L274-2(lines 274 291) no Hoare annotation was computed. [2019-10-22 11:24:21,005 INFO L439 ceAbstractionStarter]: At program point L274-3(lines 1 968) the Hoare annotation is: false [2019-10-22 11:24:21,005 INFO L443 ceAbstractionStarter]: For program point L274-4(lines 274 291) no Hoare annotation was computed. [2019-10-22 11:24:21,005 INFO L439 ceAbstractionStarter]: At program point L274-5(lines 1 968) the Hoare annotation is: false [2019-10-22 11:24:21,005 INFO L443 ceAbstractionStarter]: For program point L308(lines 308 312) no Hoare annotation was computed. [2019-10-22 11:24:21,005 INFO L443 ceAbstractionStarter]: For program point L342(lines 342 346) no Hoare annotation was computed. [2019-10-22 11:24:21,005 INFO L443 ceAbstractionStarter]: For program point L342-2(lines 370 376) no Hoare annotation was computed. [2019-10-22 11:24:21,005 INFO L439 ceAbstractionStarter]: At program point L377(lines 377 383) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (and .cse1 (= 0 ~methaneLevelCritical~0) .cse2)) .cse3) (and .cse1 .cse0 .cse3 .cse2 (= 0 ~methAndRunningLastTime~0)) (and .cse1 (= ~pumpRunning~0 0) .cse2))) [2019-10-22 11:24:21,005 INFO L439 ceAbstractionStarter]: At program point L377-1(lines 377 383) the Hoare annotation is: false [2019-10-22 11:24:21,005 INFO L439 ceAbstractionStarter]: At program point L377-2(lines 377 383) the Hoare annotation is: false [2019-10-22 11:24:21,005 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 288) no Hoare annotation was computed. [2019-10-22 11:24:21,006 INFO L443 ceAbstractionStarter]: For program point L278-2(lines 278 288) no Hoare annotation was computed. [2019-10-22 11:24:21,006 INFO L443 ceAbstractionStarter]: For program point L278-4(lines 278 288) no Hoare annotation was computed. [2019-10-22 11:24:21,006 INFO L443 ceAbstractionStarter]: For program point L279(lines 279 285) no Hoare annotation was computed. [2019-10-22 11:24:21,006 INFO L443 ceAbstractionStarter]: For program point L279-2(lines 279 285) no Hoare annotation was computed. [2019-10-22 11:24:21,006 INFO L443 ceAbstractionStarter]: For program point L279-4(lines 279 285) no Hoare annotation was computed. [2019-10-22 11:24:21,006 INFO L443 ceAbstractionStarter]: For program point L182(lines 182 186) no Hoare annotation was computed. [2019-10-22 11:24:21,006 INFO L439 ceAbstractionStarter]: At program point L481(lines 476 484) 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 11:24:21,006 INFO L439 ceAbstractionStarter]: At program point L481-1(lines 476 484) the Hoare annotation is: false [2019-10-22 11:24:21,006 INFO L439 ceAbstractionStarter]: At program point L481-2(lines 476 484) the Hoare annotation is: false [2019-10-22 11:24:21,006 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 322) no Hoare annotation was computed. [2019-10-22 11:24:21,006 INFO L439 ceAbstractionStarter]: At program point L316-1(lines 316 322) 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 11:24:21,007 INFO L439 ceAbstractionStarter]: At program point L250(lines 245 253) 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 11:24:21,007 INFO L439 ceAbstractionStarter]: At program point L250-1(lines 245 253) the Hoare annotation is: false [2019-10-22 11:24:21,007 INFO L439 ceAbstractionStarter]: At program point L250-2(lines 245 253) the Hoare annotation is: false [2019-10-22 11:24:21,007 INFO L439 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-10-22 11:24:21,010 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:24:21,010 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-10-22 11:24:21,010 INFO L443 ceAbstractionStarter]: For program point L549(lines 549 553) no Hoare annotation was computed. [2019-10-22 11:24:21,010 INFO L443 ceAbstractionStarter]: For program point L549-2(lines 549 553) no Hoare annotation was computed. [2019-10-22 11:24:21,010 INFO L443 ceAbstractionStarter]: For program point L549-3(lines 549 553) no Hoare annotation was computed. [2019-10-22 11:24:21,010 INFO L443 ceAbstractionStarter]: For program point L549-5(lines 549 553) no Hoare annotation was computed. [2019-10-22 11:24:21,010 INFO L443 ceAbstractionStarter]: For program point L549-6(lines 549 553) no Hoare annotation was computed. [2019-10-22 11:24:21,010 INFO L443 ceAbstractionStarter]: For program point L549-8(lines 549 553) no Hoare annotation was computed. [2019-10-22 11:24:21,010 INFO L439 ceAbstractionStarter]: At program point L352(lines 305 353) the Hoare annotation is: false [2019-10-22 11:24:21,010 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-22 11:24:21,011 INFO L443 ceAbstractionStarter]: For program point L56-1(lines 370 376) no Hoare annotation was computed. [2019-10-22 11:24:21,011 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:24:21,011 INFO L443 ceAbstractionStarter]: For program point L158(lines 158 162) no Hoare annotation was computed. [2019-10-22 11:24:21,011 INFO L443 ceAbstractionStarter]: For program point L158-3(lines 158 162) no Hoare annotation was computed. [2019-10-22 11:24:21,011 INFO L443 ceAbstractionStarter]: For program point L158-6(lines 158 162) no Hoare annotation was computed. [2019-10-22 11:24:21,011 INFO L439 ceAbstractionStarter]: At program point L555(lines 540 558) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~pumpRunning~0) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~waterLevel~0)) (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~3) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~6) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:21,011 INFO L439 ceAbstractionStarter]: At program point L555-1(lines 540 558) the Hoare annotation is: false [2019-10-22 11:24:21,011 INFO L439 ceAbstractionStarter]: At program point L555-2(lines 540 558) the Hoare annotation is: false [2019-10-22 11:24:21,011 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:24:21,011 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 332) no Hoare annotation was computed. [2019-10-22 11:24:21,011 INFO L439 ceAbstractionStarter]: At program point L326-1(lines 326 332) 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 11:24:21,012 INFO L439 ceAbstractionStarter]: At program point L195(lines 190 198) 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 11:24:21,012 INFO L439 ceAbstractionStarter]: At program point L195-1(lines 190 198) the Hoare annotation is: false [2019-10-22 11:24:21,012 INFO L439 ceAbstractionStarter]: At program point L195-2(lines 190 198) the Hoare annotation is: false [2019-10-22 11:24:21,012 INFO L443 ceAbstractionStarter]: For program point L428(lines 428 445) no Hoare annotation was computed. [2019-10-22 11:24:21,012 INFO L443 ceAbstractionStarter]: For program point L428-1(lines 428 445) no Hoare annotation was computed. [2019-10-22 11:24:21,012 INFO L443 ceAbstractionStarter]: For program point L428-2(lines 428 445) no Hoare annotation was computed. [2019-10-22 11:24:21,012 INFO L439 ceAbstractionStarter]: At program point L263(lines 258 265) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 11:24:21,012 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:24:21,012 INFO L439 ceAbstractionStarter]: At program point L957(lines 1 968) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 11:24:21,012 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2019-10-22 11:24:21,012 INFO L446 ceAbstractionStarter]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2019-10-22 11:24:21,013 INFO L443 ceAbstractionStarter]: For program point L530(lines 530 534) no Hoare annotation was computed. [2019-10-22 11:24:21,013 INFO L443 ceAbstractionStarter]: For program point L530-2(lines 530 534) no Hoare annotation was computed. [2019-10-22 11:24:21,013 INFO L443 ceAbstractionStarter]: For program point L530-3(lines 530 534) no Hoare annotation was computed. [2019-10-22 11:24:21,013 INFO L443 ceAbstractionStarter]: For program point L530-5(lines 530 534) no Hoare annotation was computed. [2019-10-22 11:24:21,013 INFO L443 ceAbstractionStarter]: For program point L530-6(lines 530 534) no Hoare annotation was computed. [2019-10-22 11:24:21,013 INFO L443 ceAbstractionStarter]: For program point L530-8(lines 530 534) no Hoare annotation was computed. [2019-10-22 11:24:21,013 INFO L443 ceAbstractionStarter]: For program point L530-9(lines 530 534) no Hoare annotation was computed. [2019-10-22 11:24:21,013 INFO L443 ceAbstractionStarter]: For program point L530-11(lines 530 534) no Hoare annotation was computed. [2019-10-22 11:24:21,013 INFO L443 ceAbstractionStarter]: For program point L530-12(lines 530 534) no Hoare annotation was computed. [2019-10-22 11:24:21,013 INFO L443 ceAbstractionStarter]: For program point L530-14(lines 530 534) no Hoare annotation was computed. [2019-10-22 11:24:21,013 INFO L443 ceAbstractionStarter]: For program point L530-15(lines 530 534) no Hoare annotation was computed. [2019-10-22 11:24:21,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:24:21 BoogieIcfgContainer [2019-10-22 11:24:21,035 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:24:21,036 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:24:21,036 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:24:21,036 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:24:21,036 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:15" (3/4) ... [2019-10-22 11:24:21,040 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:24:21,054 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:24:21,055 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 11:24:21,056 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 11:24:21,056 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:24:21,057 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:24:21,057 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:24:21,084 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 11:24:21,085 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 1 <= pumpRunning) && 0 == \result) && !(0 == waterLevel)) && 0 == splverifierCounter [2019-10-22 11:24:21,086 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter)) || (2 <= waterLevel && ((1 == systemActive && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) [2019-10-22 11:24:21,087 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 11:24:21,087 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 1 <= pumpRunning) && 0 == \result) && !(0 == waterLevel)) && 1 <= tmp___0) && 1 <= \result) && 0 == tmp) && 0 == splverifierCounter [2019-10-22 11:24:21,087 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (2 <= waterLevel && ((1 == systemActive && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter)) || (((((0 == \result && 1 == systemActive) && !(0 == tmp)) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) [2019-10-22 11:24:21,139 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_22108f73-ee07-4e57-951c-fae3dc581e7d/bin/utaipan/witness.graphml [2019-10-22 11:24:21,140 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:24:21,141 INFO L168 Benchmark]: Toolchain (without parser) took 7045.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 195.6 MB). Free memory was 940.4 MB in the beginning and 969.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 166.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:21,141 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:21,141 INFO L168 Benchmark]: CACSL2BoogieTranslator took 504.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -183.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:21,141 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.39 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:21,141 INFO L168 Benchmark]: Boogie Preprocessor took 48.52 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:21,142 INFO L168 Benchmark]: RCFGBuilder took 936.72 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: 66.7 MB). Peak memory consumption was 66.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:21,142 INFO L168 Benchmark]: TraceAbstraction took 5376.25 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 54.5 MB). Free memory was 1.1 GB in the beginning and 984.5 MB in the end (delta: 66.9 MB). Peak memory consumption was 240.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:21,142 INFO L168 Benchmark]: Witness Printer took 103.93 ms. Allocated memory is still 1.2 GB. Free memory was 984.5 MB in the beginning and 969.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:21,144 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 504.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -183.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.39 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.52 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 936.72 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: 66.7 MB). Peak memory consumption was 66.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5376.25 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 54.5 MB). Free memory was 1.1 GB in the beginning and 984.5 MB in the end (delta: 66.9 MB). Peak memory consumption was 240.0 MB. Max. memory is 11.5 GB. * Witness Printer took 103.93 ms. Allocated memory is still 1.2 GB. Free memory was 984.5 MB in the beginning and 969.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 930]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 930]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 930]: 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: (((1 == systemActive && 1 <= pumpRunning) && 0 == \result) && !(0 == waterLevel)) && 0 == splverifierCounter - 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: 258]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 1 <= pumpRunning) && 0 == \result) && !(0 == waterLevel)) && 1 <= tmp___0) && 1 <= \result) && 0 == tmp) && 0 == splverifierCounter - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: 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: 960]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter)) || (2 <= waterLevel && ((1 == systemActive && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && (1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 2 <= waterLevel) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (2 <= waterLevel && ((1 == systemActive && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter)) || (((((0 == \result && 1 == systemActive) && !(0 == tmp)) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 476]: 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: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 476]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 476]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 369]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || ((1 <= pumpRunning && !(0 == waterLevel)) && 1 == systemActive && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 369]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((1 <= pumpRunning && 2 <= waterLevel) && 1 == systemActive && 0 == splverifierCounter) - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 369]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 121 locations, 3 error locations. Result: SAFE, OverallTime: 5.3s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.3s, HoareTripleCheckerStatistics: 1243 SDtfs, 1416 SDslu, 1709 SDs, 0 SdLazy, 216 SolverSat, 46 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 304 GetRequests, 250 SyntacticMatches, 4 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s 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, 43 LocationsWithAnnotation, 43 PreInvPairs, 190 NumberOfFragments, 487 HoareAnnotationTreeSize, 43 FomulaSimplifications, 355241 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 43 FomulaSimplificationsInter, 13068 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 574 NumberOfCodeBlocks, 574 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 673 ConstructedInterpolants, 0 QuantifiedInterpolants, 54673 SizeOfPredicates, 5 NumberOfNonLiveVariables, 840 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 17 InterpolantComputations, 15 PerfectInterpolantSequences, 121/140 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...