./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product57.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_b6f8058b-42eb-4cc9-a824-9726ab32a669/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b6f8058b-42eb-4cc9-a824-9726ab32a669/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b6f8058b-42eb-4cc9-a824-9726ab32a669/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b6f8058b-42eb-4cc9-a824-9726ab32a669/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b6f8058b-42eb-4cc9-a824-9726ab32a669/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b6f8058b-42eb-4cc9-a824-9726ab32a669/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 edf277e8e45bc51905c3746c53b47e5f504df38a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:22:20,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:22:20,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:22:20,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:22:20,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:22:20,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:22:20,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:22:20,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:22:20,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:22:20,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:22:20,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:22:20,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:22:20,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:22:20,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:22:20,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:22:20,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:22:20,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:22:20,269 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:22:20,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:22:20,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:22:20,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:22:20,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:22:20,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:22:20,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:22:20,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:22:20,277 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:22:20,278 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:22:20,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:22:20,279 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:22:20,280 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:22:20,280 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:22:20,280 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:22:20,281 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:22:20,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:22:20,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:22:20,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:22:20,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:22:20,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:22:20,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:22:20,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:22:20,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:22:20,285 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b6f8058b-42eb-4cc9-a824-9726ab32a669/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:22:20,296 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:22:20,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:22:20,297 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:22:20,297 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:22:20,297 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:22:20,297 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:22:20,297 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:22:20,297 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:22:20,298 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:22:20,298 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:22:20,298 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:22:20,298 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:22:20,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:22:20,299 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:22:20,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:22:20,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:22:20,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:22:20,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:22:20,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:22:20,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:22:20,300 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:22:20,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:22:20,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:22:20,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:22:20,301 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:22:20,301 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:22:20,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:22:20,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:20,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:22:20,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:22:20,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:22:20,302 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:22:20,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:22:20,302 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:22:20,303 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:22:20,303 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_b6f8058b-42eb-4cc9-a824-9726ab32a669/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 -> edf277e8e45bc51905c3746c53b47e5f504df38a [2019-10-22 11:22:20,326 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:22:20,336 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:22:20,339 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:22:20,340 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:22:20,340 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:22:20,341 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b6f8058b-42eb-4cc9-a824-9726ab32a669/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c [2019-10-22 11:22:20,395 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b6f8058b-42eb-4cc9-a824-9726ab32a669/bin/utaipan/data/0f264b02a/0a2575fb6fc74048b4ed058679169904/FLAGd71e3b906 [2019-10-22 11:22:20,830 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:22:20,830 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b6f8058b-42eb-4cc9-a824-9726ab32a669/sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c [2019-10-22 11:22:20,839 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b6f8058b-42eb-4cc9-a824-9726ab32a669/bin/utaipan/data/0f264b02a/0a2575fb6fc74048b4ed058679169904/FLAGd71e3b906 [2019-10-22 11:22:20,851 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b6f8058b-42eb-4cc9-a824-9726ab32a669/bin/utaipan/data/0f264b02a/0a2575fb6fc74048b4ed058679169904 [2019-10-22 11:22:20,854 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:22:20,856 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:22:20,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:20,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:22:20,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:22:20,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:20" (1/1) ... [2019-10-22 11:22:20,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c1ea15e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:20, skipping insertion in model container [2019-10-22 11:22:20,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:20" (1/1) ... [2019-10-22 11:22:20,870 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:22:20,905 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:22:21,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:21,260 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:22:21,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:21,353 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:22:21,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:21 WrapperNode [2019-10-22 11:22:21,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:21,354 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:21,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:22:21,355 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:22:21,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:21" (1/1) ... [2019-10-22 11:22:21,377 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:21" (1/1) ... [2019-10-22 11:22:21,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:21,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:22:21,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:22:21,427 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:22:21,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:21" (1/1) ... [2019-10-22 11:22:21,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:21" (1/1) ... [2019-10-22 11:22:21,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:21" (1/1) ... [2019-10-22 11:22:21,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:21" (1/1) ... [2019-10-22 11:22:21,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:21" (1/1) ... [2019-10-22 11:22:21,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:21" (1/1) ... [2019-10-22 11:22:21,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:21" (1/1) ... [2019-10-22 11:22:21,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:22:21,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:22:21,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:22:21,511 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:22:21,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b6f8058b-42eb-4cc9-a824-9726ab32a669/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:21,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:22:21,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:22:21,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:22:21,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:22:22,364 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:22:22,364 INFO L284 CfgBuilder]: Removed 192 assume(true) statements. [2019-10-22 11:22:22,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:22 BoogieIcfgContainer [2019-10-22 11:22:22,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:22:22,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:22:22,367 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:22:22,369 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:22:22,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:22:20" (1/3) ... [2019-10-22 11:22:22,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dc8d26d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:22, skipping insertion in model container [2019-10-22 11:22:22,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:21" (2/3) ... [2019-10-22 11:22:22,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dc8d26d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:22, skipping insertion in model container [2019-10-22 11:22:22,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:22" (3/3) ... [2019-10-22 11:22:22,373 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product57.cil.c [2019-10-22 11:22:22,380 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:22:22,387 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:22:22,395 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:22:22,417 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:22:22,417 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:22:22,417 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:22:22,417 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:22:22,419 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:22:22,419 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:22:22,419 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:22:22,419 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:22:22,435 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2019-10-22 11:22:22,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:22:22,441 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:22,442 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:22,444 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:22,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:22,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1916587088, now seen corresponding path program 1 times [2019-10-22 11:22:22,459 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:22,459 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36642623] [2019-10-22 11:22:22,459 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:22,459 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:22,460 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:22,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:22,644 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36642623] [2019-10-22 11:22:22,645 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:22,647 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:22:22,647 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444201618] [2019-10-22 11:22:22,651 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:22:22,652 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:22,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:22:22,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:22:22,667 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2019-10-22 11:22:22,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:22,699 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2019-10-22 11:22:22,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:22:22,700 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:22:22,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:22,710 INFO L225 Difference]: With dead ends: 264 [2019-10-22 11:22:22,711 INFO L226 Difference]: Without dead ends: 131 [2019-10-22 11:22:22,714 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:22:22,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-10-22 11:22:22,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-10-22 11:22:22,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-10-22 11:22:22,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2019-10-22 11:22:22,756 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2019-10-22 11:22:22,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:22,756 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2019-10-22 11:22:22,756 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:22:22,756 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2019-10-22 11:22:22,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:22:22,757 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:22,757 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:22,758 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:22,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:22,758 INFO L82 PathProgramCache]: Analyzing trace with hash 869830191, now seen corresponding path program 1 times [2019-10-22 11:22:22,758 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:22,758 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372933107] [2019-10-22 11:22:22,758 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:22,759 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:22,759 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:22,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:22,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:22,847 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372933107] [2019-10-22 11:22:22,847 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:22,847 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:22:22,847 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420309962] [2019-10-22 11:22:22,849 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:22,849 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:22,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:22,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:22,850 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand 3 states. [2019-10-22 11:22:22,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:22,868 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2019-10-22 11:22:22,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:22,872 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 11:22:22,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:22,873 INFO L225 Difference]: With dead ends: 131 [2019-10-22 11:22:22,873 INFO L226 Difference]: Without dead ends: 53 [2019-10-22 11:22:22,874 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:22,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-10-22 11:22:22,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-10-22 11:22:22,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-10-22 11:22:22,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2019-10-22 11:22:22,881 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2019-10-22 11:22:22,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:22,881 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2019-10-22 11:22:22,881 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:22,881 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2019-10-22 11:22:22,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:22:22,882 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:22,882 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] [2019-10-22 11:22:22,882 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:22,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:22,886 INFO L82 PathProgramCache]: Analyzing trace with hash 105563969, now seen corresponding path program 1 times [2019-10-22 11:22:22,886 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:22,886 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342899700] [2019-10-22 11:22:22,887 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:22,887 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:22,887 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:23,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:23,000 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342899700] [2019-10-22 11:22:23,001 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:23,001 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:22:23,001 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672771088] [2019-10-22 11:22:23,002 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:23,002 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:23,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:23,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:23,005 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2019-10-22 11:22:23,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:23,017 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2019-10-22 11:22:23,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:23,023 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-10-22 11:22:23,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:23,024 INFO L225 Difference]: With dead ends: 100 [2019-10-22 11:22:23,024 INFO L226 Difference]: Without dead ends: 53 [2019-10-22 11:22:23,025 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:23,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-10-22 11:22:23,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-10-22 11:22:23,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-10-22 11:22:23,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2019-10-22 11:22:23,038 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2019-10-22 11:22:23,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:23,038 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2019-10-22 11:22:23,043 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:23,043 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2019-10-22 11:22:23,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:22:23,044 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:23,044 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:23,045 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:23,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:23,045 INFO L82 PathProgramCache]: Analyzing trace with hash -72226312, now seen corresponding path program 1 times [2019-10-22 11:22:23,045 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:23,045 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175170774] [2019-10-22 11:22:23,045 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:23,046 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:23,046 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:23,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:23,105 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175170774] [2019-10-22 11:22:23,106 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:23,106 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:22:23,106 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84626917] [2019-10-22 11:22:23,106 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:23,106 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:23,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:23,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:23,107 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2019-10-22 11:22:23,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:23,167 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2019-10-22 11:22:23,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:23,167 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-22 11:22:23,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:23,168 INFO L225 Difference]: With dead ends: 121 [2019-10-22 11:22:23,168 INFO L226 Difference]: Without dead ends: 74 [2019-10-22 11:22:23,169 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:23,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-10-22 11:22:23,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2019-10-22 11:22:23,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-10-22 11:22:23,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2019-10-22 11:22:23,181 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2019-10-22 11:22:23,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:23,182 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2019-10-22 11:22:23,182 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:23,182 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2019-10-22 11:22:23,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-22 11:22:23,183 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:23,183 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] [2019-10-22 11:22:23,183 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:23,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:23,184 INFO L82 PathProgramCache]: Analyzing trace with hash 615192364, now seen corresponding path program 1 times [2019-10-22 11:22:23,184 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:23,184 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373789503] [2019-10-22 11:22:23,184 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:23,184 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:23,184 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:23,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:23,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:23,246 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373789503] [2019-10-22 11:22:23,247 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:23,247 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:22:23,247 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782459685] [2019-10-22 11:22:23,247 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:23,247 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:23,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:23,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:23,248 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand 5 states. [2019-10-22 11:22:23,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:23,473 INFO L93 Difference]: Finished difference Result 204 states and 290 transitions. [2019-10-22 11:22:23,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:22:23,473 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-10-22 11:22:23,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:23,475 INFO L225 Difference]: With dead ends: 204 [2019-10-22 11:22:23,475 INFO L226 Difference]: Without dead ends: 202 [2019-10-22 11:22:23,475 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:22:23,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2019-10-22 11:22:23,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 72. [2019-10-22 11:22:23,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-10-22 11:22:23,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 100 transitions. [2019-10-22 11:22:23,496 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 100 transitions. Word has length 30 [2019-10-22 11:22:23,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:23,500 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 100 transitions. [2019-10-22 11:22:23,500 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:23,500 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2019-10-22 11:22:23,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 11:22:23,501 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:23,501 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:23,502 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:23,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:23,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1497044577, now seen corresponding path program 1 times [2019-10-22 11:22:23,502 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:23,502 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981897714] [2019-10-22 11:22:23,503 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:23,503 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:23,503 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:23,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:23,567 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981897714] [2019-10-22 11:22:23,568 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:23,568 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:22:23,568 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817449431] [2019-10-22 11:22:23,568 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:23,569 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:23,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:23,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:23,569 INFO L87 Difference]: Start difference. First operand 72 states and 100 transitions. Second operand 5 states. [2019-10-22 11:22:23,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:23,643 INFO L93 Difference]: Finished difference Result 183 states and 255 transitions. [2019-10-22 11:22:23,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:22:23,644 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-10-22 11:22:23,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:23,645 INFO L225 Difference]: With dead ends: 183 [2019-10-22 11:22:23,645 INFO L226 Difference]: Without dead ends: 117 [2019-10-22 11:22:23,645 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:22:23,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-10-22 11:22:23,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 78. [2019-10-22 11:22:23,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-10-22 11:22:23,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 106 transitions. [2019-10-22 11:22:23,653 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 106 transitions. Word has length 33 [2019-10-22 11:22:23,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:23,654 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 106 transitions. [2019-10-22 11:22:23,654 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:23,654 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 106 transitions. [2019-10-22 11:22:23,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 11:22:23,660 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:23,660 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:23,660 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:23,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:23,661 INFO L82 PathProgramCache]: Analyzing trace with hash 910238563, now seen corresponding path program 1 times [2019-10-22 11:22:23,661 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:23,661 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507130767] [2019-10-22 11:22:23,661 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:23,662 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:23,662 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:23,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:23,713 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507130767] [2019-10-22 11:22:23,713 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:23,713 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:22:23,713 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002062469] [2019-10-22 11:22:23,714 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:22:23,714 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:23,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:22:23,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:22:23,715 INFO L87 Difference]: Start difference. First operand 78 states and 106 transitions. Second operand 4 states. [2019-10-22 11:22:23,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:23,783 INFO L93 Difference]: Finished difference Result 180 states and 245 transitions. [2019-10-22 11:22:23,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:22:23,784 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-10-22 11:22:23,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:23,785 INFO L225 Difference]: With dead ends: 180 [2019-10-22 11:22:23,785 INFO L226 Difference]: Without dead ends: 108 [2019-10-22 11:22:23,786 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:23,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-10-22 11:22:23,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 82. [2019-10-22 11:22:23,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-10-22 11:22:23,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 110 transitions. [2019-10-22 11:22:23,809 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 110 transitions. Word has length 33 [2019-10-22 11:22:23,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:23,810 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 110 transitions. [2019-10-22 11:22:23,810 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:22:23,810 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 110 transitions. [2019-10-22 11:22:23,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 11:22:23,811 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:23,811 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:23,812 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:23,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:23,812 INFO L82 PathProgramCache]: Analyzing trace with hash -369625115, now seen corresponding path program 1 times [2019-10-22 11:22:23,812 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:23,813 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225217272] [2019-10-22 11:22:23,813 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:23,813 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:23,813 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:23,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:23,887 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225217272] [2019-10-22 11:22:23,887 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:23,888 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:22:23,888 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219429298] [2019-10-22 11:22:23,888 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:23,888 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:23,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:23,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:23,889 INFO L87 Difference]: Start difference. First operand 82 states and 110 transitions. Second operand 3 states. [2019-10-22 11:22:23,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:23,923 INFO L93 Difference]: Finished difference Result 184 states and 248 transitions. [2019-10-22 11:22:23,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:23,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-10-22 11:22:23,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:23,925 INFO L225 Difference]: With dead ends: 184 [2019-10-22 11:22:23,925 INFO L226 Difference]: Without dead ends: 108 [2019-10-22 11:22:23,926 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:23,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-10-22 11:22:23,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2019-10-22 11:22:23,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-10-22 11:22:23,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 142 transitions. [2019-10-22 11:22:23,945 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 142 transitions. Word has length 33 [2019-10-22 11:22:23,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:23,945 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 142 transitions. [2019-10-22 11:22:23,946 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:23,946 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 142 transitions. [2019-10-22 11:22:23,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 11:22:23,948 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:23,948 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:23,949 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:23,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:23,949 INFO L82 PathProgramCache]: Analyzing trace with hash 787670823, now seen corresponding path program 1 times [2019-10-22 11:22:23,949 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:23,950 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322356294] [2019-10-22 11:22:23,950 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:23,950 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:23,950 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:24,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:24,120 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322356294] [2019-10-22 11:22:24,121 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:24,121 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:22:24,121 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624259789] [2019-10-22 11:22:24,121 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:24,122 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:24,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:24,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:24,122 INFO L87 Difference]: Start difference. First operand 108 states and 142 transitions. Second operand 5 states. [2019-10-22 11:22:24,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:24,298 INFO L93 Difference]: Finished difference Result 585 states and 779 transitions. [2019-10-22 11:22:24,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:22:24,299 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-10-22 11:22:24,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:24,301 INFO L225 Difference]: With dead ends: 585 [2019-10-22 11:22:24,301 INFO L226 Difference]: Without dead ends: 483 [2019-10-22 11:22:24,302 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:22:24,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2019-10-22 11:22:24,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 202. [2019-10-22 11:22:24,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2019-10-22 11:22:24,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 264 transitions. [2019-10-22 11:22:24,333 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 264 transitions. Word has length 34 [2019-10-22 11:22:24,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:24,334 INFO L462 AbstractCegarLoop]: Abstraction has 202 states and 264 transitions. [2019-10-22 11:22:24,334 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:24,334 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 264 transitions. [2019-10-22 11:22:24,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 11:22:24,335 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:24,335 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, 1] [2019-10-22 11:22:24,335 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:24,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:24,336 INFO L82 PathProgramCache]: Analyzing trace with hash -745345683, now seen corresponding path program 1 times [2019-10-22 11:22:24,336 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:24,336 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620831723] [2019-10-22 11:22:24,336 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:24,336 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:24,336 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:24,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:24,420 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620831723] [2019-10-22 11:22:24,421 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:24,421 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 11:22:24,421 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140608101] [2019-10-22 11:22:24,421 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 11:22:24,421 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:24,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 11:22:24,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:22:24,423 INFO L87 Difference]: Start difference. First operand 202 states and 264 transitions. Second operand 8 states. [2019-10-22 11:22:24,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:24,855 INFO L93 Difference]: Finished difference Result 710 states and 926 transitions. [2019-10-22 11:22:24,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-22 11:22:24,855 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2019-10-22 11:22:24,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:24,857 INFO L225 Difference]: With dead ends: 710 [2019-10-22 11:22:24,857 INFO L226 Difference]: Without dead ends: 514 [2019-10-22 11:22:24,858 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2019-10-22 11:22:24,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2019-10-22 11:22:24,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 202. [2019-10-22 11:22:24,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2019-10-22 11:22:24,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 259 transitions. [2019-10-22 11:22:24,893 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 259 transitions. Word has length 35 [2019-10-22 11:22:24,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:24,894 INFO L462 AbstractCegarLoop]: Abstraction has 202 states and 259 transitions. [2019-10-22 11:22:24,894 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 11:22:24,894 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 259 transitions. [2019-10-22 11:22:24,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-22 11:22:24,899 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:24,899 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:24,900 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:24,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:24,900 INFO L82 PathProgramCache]: Analyzing trace with hash -785430939, now seen corresponding path program 1 times [2019-10-22 11:22:24,900 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:24,900 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335788751] [2019-10-22 11:22:24,900 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:24,901 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:24,901 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:24,977 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:24,977 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335788751] [2019-10-22 11:22:24,978 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:24,978 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:22:24,978 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120915823] [2019-10-22 11:22:24,978 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:22:24,978 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:24,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:22:24,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:22:24,979 INFO L87 Difference]: Start difference. First operand 202 states and 259 transitions. Second operand 6 states. [2019-10-22 11:22:25,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:25,207 INFO L93 Difference]: Finished difference Result 1026 states and 1345 transitions. [2019-10-22 11:22:25,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 11:22:25,207 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2019-10-22 11:22:25,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:25,211 INFO L225 Difference]: With dead ends: 1026 [2019-10-22 11:22:25,211 INFO L226 Difference]: Without dead ends: 880 [2019-10-22 11:22:25,212 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2019-10-22 11:22:25,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2019-10-22 11:22:25,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 390. [2019-10-22 11:22:25,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2019-10-22 11:22:25,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 500 transitions. [2019-10-22 11:22:25,250 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 500 transitions. Word has length 56 [2019-10-22 11:22:25,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:25,250 INFO L462 AbstractCegarLoop]: Abstraction has 390 states and 500 transitions. [2019-10-22 11:22:25,250 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:22:25,250 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 500 transitions. [2019-10-22 11:22:25,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-22 11:22:25,251 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:25,251 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:25,252 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:25,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:25,252 INFO L82 PathProgramCache]: Analyzing trace with hash -84366361, now seen corresponding path program 1 times [2019-10-22 11:22:25,252 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:25,252 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655448998] [2019-10-22 11:22:25,252 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:25,252 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:25,253 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:25,316 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 11:22:25,316 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655448998] [2019-10-22 11:22:25,317 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604229377] [2019-10-22 11:22:25,317 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b6f8058b-42eb-4cc9-a824-9726ab32a669/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:22:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:25,442 INFO L256 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:22:25,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:25,486 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:22:25,486 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:25,537 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:22:25,541 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-22 11:22:25,541 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [6] total 9 [2019-10-22 11:22:25,542 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552027319] [2019-10-22 11:22:25,542 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:25,542 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:25,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:25,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:22:25,543 INFO L87 Difference]: Start difference. First operand 390 states and 500 transitions. Second operand 5 states. [2019-10-22 11:22:25,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:25,631 INFO L93 Difference]: Finished difference Result 724 states and 927 transitions. [2019-10-22 11:22:25,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:22:25,632 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2019-10-22 11:22:25,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:25,632 INFO L225 Difference]: With dead ends: 724 [2019-10-22 11:22:25,632 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:22:25,633 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 108 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-22 11:22:25,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:22:25,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:22:25,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:22:25,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:22:25,634 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2019-10-22 11:22:25,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:25,634 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:22:25,634 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:25,634 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:22:25,635 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:22:25,835 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:22:25,840 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:22:26,019 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 66 [2019-10-22 11:22:26,196 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 115 [2019-10-22 11:22:26,428 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 117 [2019-10-22 11:22:26,655 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 122 [2019-10-22 11:22:26,933 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 66 [2019-10-22 11:22:27,302 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 30 [2019-10-22 11:22:27,730 WARN L191 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 22 [2019-10-22 11:22:27,940 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 29 [2019-10-22 11:22:28,345 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 16 [2019-10-22 11:22:28,684 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 28 [2019-10-22 11:22:29,124 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 28 [2019-10-22 11:22:29,355 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 24 [2019-10-22 11:22:29,648 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 22 [2019-10-22 11:22:29,650 INFO L439 ceAbstractionStarter]: At program point L102(lines 97 105) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (<= 0 ~methaneLevelCritical~0)) [2019-10-22 11:22:29,650 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2019-10-22 11:22:29,650 INFO L439 ceAbstractionStarter]: At program point L533(lines 486 534) the Hoare annotation is: false [2019-10-22 11:22:29,650 INFO L443 ceAbstractionStarter]: For program point L734(lines 734 738) no Hoare annotation was computed. [2019-10-22 11:22:29,650 INFO L443 ceAbstractionStarter]: For program point L734-2(lines 734 738) no Hoare annotation was computed. [2019-10-22 11:22:29,651 INFO L443 ceAbstractionStarter]: For program point L734-3(lines 734 738) no Hoare annotation was computed. [2019-10-22 11:22:29,651 INFO L443 ceAbstractionStarter]: For program point L734-5(lines 734 738) no Hoare annotation was computed. [2019-10-22 11:22:29,651 INFO L443 ceAbstractionStarter]: For program point L734-6(lines 734 738) no Hoare annotation was computed. [2019-10-22 11:22:29,651 INFO L443 ceAbstractionStarter]: For program point L734-8(lines 734 738) no Hoare annotation was computed. [2019-10-22 11:22:29,651 INFO L443 ceAbstractionStarter]: For program point L734-9(lines 734 738) no Hoare annotation was computed. [2019-10-22 11:22:29,651 INFO L443 ceAbstractionStarter]: For program point L734-11(lines 734 738) no Hoare annotation was computed. [2019-10-22 11:22:29,651 INFO L443 ceAbstractionStarter]: For program point L734-12(lines 734 738) no Hoare annotation was computed. [2019-10-22 11:22:29,651 INFO L443 ceAbstractionStarter]: For program point L734-14(lines 734 738) no Hoare annotation was computed. [2019-10-22 11:22:29,651 INFO L443 ceAbstractionStarter]: For program point L734-15(lines 734 738) no Hoare annotation was computed. [2019-10-22 11:22:29,651 INFO L443 ceAbstractionStarter]: For program point L734-17(lines 734 738) no Hoare annotation was computed. [2019-10-22 11:22:29,651 INFO L443 ceAbstractionStarter]: For program point L867(lines 867 871) no Hoare annotation was computed. [2019-10-22 11:22:29,651 INFO L443 ceAbstractionStarter]: For program point L867-3(lines 867 871) no Hoare annotation was computed. [2019-10-22 11:22:29,652 INFO L443 ceAbstractionStarter]: For program point L867-6(lines 867 871) no Hoare annotation was computed. [2019-10-22 11:22:29,652 INFO L443 ceAbstractionStarter]: For program point L968(line 968) no Hoare annotation was computed. [2019-10-22 11:22:29,652 INFO L443 ceAbstractionStarter]: For program point L968-1(line 968) no Hoare annotation was computed. [2019-10-22 11:22:29,652 INFO L443 ceAbstractionStarter]: For program point L968-2(line 968) no Hoare annotation was computed. [2019-10-22 11:22:29,652 INFO L443 ceAbstractionStarter]: For program point L507(lines 507 513) no Hoare annotation was computed. [2019-10-22 11:22:29,652 INFO L439 ceAbstractionStarter]: At program point L507-1(lines 507 513) the Hoare annotation is: (let ((.cse1 (<= ~methaneLevelCritical~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse4 (<= 0 ~methaneLevelCritical~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse5 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse7 .cse3) (and .cse0 .cse1 .cse6 .cse7 .cse3 .cse4) (and .cse2 .cse5 (and .cse0 .cse3)))) [2019-10-22 11:22:29,652 INFO L439 ceAbstractionStarter]: At program point L904(lines 899 907) the Hoare annotation is: false [2019-10-22 11:22:29,652 INFO L439 ceAbstractionStarter]: At program point L904-1(lines 899 907) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= ~methaneLevelCritical~0 0) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse3 (<= 0 ~methaneLevelCritical~0)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 ~systemActive~0) .cse2 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) .cse3))) [2019-10-22 11:22:29,652 INFO L439 ceAbstractionStarter]: At program point L904-2(lines 899 907) the Hoare annotation is: (let ((.cse2 (= 1 ~systemActive~0)) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (<= 1 ~waterLevel~0)) (.cse3 (<= ~methaneLevelCritical~0 0)) (.cse0 (and .cse2 (= ~pumpRunning~0 0) .cse6)) (.cse4 (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse5 (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse7 (<= 0 ~methaneLevelCritical~0))) (or (and (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0) (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) .cse1) (and .cse2 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6 .cse7) (and .cse1 (and .cse3 .cse0 .cse4 .cse5 .cse7))))) [2019-10-22 11:22:29,652 INFO L439 ceAbstractionStarter]: At program point L904-3(lines 899 907) the Hoare annotation is: false [2019-10-22 11:22:29,653 INFO L439 ceAbstractionStarter]: At program point L904-4(lines 899 907) the Hoare annotation is: false [2019-10-22 11:22:29,653 INFO L439 ceAbstractionStarter]: At program point L904-5(lines 899 907) the Hoare annotation is: false [2019-10-22 11:22:29,653 INFO L439 ceAbstractionStarter]: At program point L904-6(lines 899 907) the Hoare annotation is: false [2019-10-22 11:22:29,653 INFO L439 ceAbstractionStarter]: At program point L904-7(lines 899 907) the Hoare annotation is: false [2019-10-22 11:22:29,653 INFO L439 ceAbstractionStarter]: At program point L904-8(lines 899 907) the Hoare annotation is: false [2019-10-22 11:22:29,653 INFO L439 ceAbstractionStarter]: At program point L740(lines 725 743) the Hoare annotation is: false [2019-10-22 11:22:29,653 INFO L439 ceAbstractionStarter]: At program point L740-1(lines 725 743) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse5 (<= ~methaneLevelCritical~0 0)) (.cse6 (<= 0 ~methaneLevelCritical~0)) (.cse7 (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2) .cse3 .cse4)) (.cse2 (= ~methaneLevelCritical~0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4 .cse6) (and .cse5 (= 1 ~waterLevel~0) .cse7 .cse6) (and (and .cse7 .cse2) (<= 1 ~waterLevel~0))))) [2019-10-22 11:22:29,653 INFO L439 ceAbstractionStarter]: At program point L740-2(lines 725 743) the Hoare annotation is: false [2019-10-22 11:22:29,653 INFO L439 ceAbstractionStarter]: At program point L740-3(lines 725 743) the Hoare annotation is: false [2019-10-22 11:22:29,653 INFO L439 ceAbstractionStarter]: At program point L740-4(lines 725 743) the Hoare annotation is: false [2019-10-22 11:22:29,653 INFO L439 ceAbstractionStarter]: At program point L740-5(lines 725 743) the Hoare annotation is: false [2019-10-22 11:22:29,654 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2019-10-22 11:22:29,654 INFO L439 ceAbstractionStarter]: At program point L775-2(lines 775 789) the Hoare annotation is: false [2019-10-22 11:22:29,654 INFO L439 ceAbstractionStarter]: At program point L676(lines 669 679) the Hoare annotation is: false [2019-10-22 11:22:29,654 INFO L439 ceAbstractionStarter]: At program point L676-1(lines 669 679) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (not (= 0 |ULTIMATE.start_isMethaneAlarm_#res|)) .cse0 .cse1 (= ~methaneLevelCritical~0 ~systemActive~0) .cse2 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) .cse3) (and .cse0 .cse1 (<= ~methaneLevelCritical~0 0) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse3 (<= 0 ~methaneLevelCritical~0)))) [2019-10-22 11:22:29,654 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2019-10-22 11:22:29,654 INFO L439 ceAbstractionStarter]: At program point L676-2(lines 669 679) the Hoare annotation is: false [2019-10-22 11:22:29,654 INFO L439 ceAbstractionStarter]: At program point L676-3(lines 669 679) the Hoare annotation is: false [2019-10-22 11:22:29,654 INFO L439 ceAbstractionStarter]: At program point L676-4(lines 669 679) the Hoare annotation is: false [2019-10-22 11:22:29,654 INFO L439 ceAbstractionStarter]: At program point L676-5(lines 669 679) the Hoare annotation is: false [2019-10-22 11:22:29,655 INFO L443 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2019-10-22 11:22:29,655 INFO L443 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-10-22 11:22:29,656 INFO L439 ceAbstractionStarter]: At program point L51-1(lines 1 971) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (<= ~methaneLevelCritical~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (<= 0 ~methaneLevelCritical~0))) (or (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0) (<= 1 ~waterLevel~0) .cse1 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) .cse2) (and .cse0 .cse3 (<= 2 ~waterLevel~0) (< 0 (+ ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 1)) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (<= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0) .cse2 .cse4) (and .cse0 .cse3 (= 1 ~waterLevel~0) .cse1 .cse2 .cse4))) [2019-10-22 11:22:29,656 INFO L443 ceAbstractionStarter]: For program point L51-2(lines 51 64) no Hoare annotation was computed. [2019-10-22 11:22:29,656 INFO L439 ceAbstractionStarter]: At program point L51-3(lines 1 971) the Hoare annotation is: false [2019-10-22 11:22:29,656 INFO L443 ceAbstractionStarter]: For program point L51-4(lines 51 64) no Hoare annotation was computed. [2019-10-22 11:22:29,656 INFO L439 ceAbstractionStarter]: At program point L51-5(lines 1 971) the Hoare annotation is: false [2019-10-22 11:22:29,656 INFO L443 ceAbstractionStarter]: For program point L944(lines 944 950) no Hoare annotation was computed. [2019-10-22 11:22:29,656 INFO L443 ceAbstractionStarter]: For program point L944-1(lines 944 950) no Hoare annotation was computed. [2019-10-22 11:22:29,656 INFO L443 ceAbstractionStarter]: For program point L944-2(lines 944 950) no Hoare annotation was computed. [2019-10-22 11:22:29,656 INFO L443 ceAbstractionStarter]: For program point L944-3(lines 944 950) no Hoare annotation was computed. [2019-10-22 11:22:29,656 INFO L443 ceAbstractionStarter]: For program point L944-4(lines 944 950) no Hoare annotation was computed. [2019-10-22 11:22:29,656 INFO L443 ceAbstractionStarter]: For program point L779(lines 779 783) no Hoare annotation was computed. [2019-10-22 11:22:29,657 INFO L443 ceAbstractionStarter]: For program point L944-5(lines 944 950) no Hoare annotation was computed. [2019-10-22 11:22:29,657 INFO L443 ceAbstractionStarter]: For program point L779-1(lines 556 562) no Hoare annotation was computed. [2019-10-22 11:22:29,657 INFO L443 ceAbstractionStarter]: For program point L614(lines 614 631) no Hoare annotation was computed. [2019-10-22 11:22:29,657 INFO L443 ceAbstractionStarter]: For program point L614-1(lines 614 631) no Hoare annotation was computed. [2019-10-22 11:22:29,657 INFO L443 ceAbstractionStarter]: For program point L614-2(lines 614 631) no Hoare annotation was computed. [2019-10-22 11:22:29,657 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:22:29,657 INFO L443 ceAbstractionStarter]: For program point L879(lines 879 883) no Hoare annotation was computed. [2019-10-22 11:22:29,657 INFO L443 ceAbstractionStarter]: For program point L846(lines 846 853) no Hoare annotation was computed. [2019-10-22 11:22:29,657 INFO L446 ceAbstractionStarter]: At program point L846-1(lines 846 853) the Hoare annotation is: true [2019-10-22 11:22:29,657 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 528) no Hoare annotation was computed. [2019-10-22 11:22:29,657 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-10-22 11:22:29,657 INFO L443 ceAbstractionStarter]: For program point L55-2(lines 55 61) no Hoare annotation was computed. [2019-10-22 11:22:29,657 INFO L443 ceAbstractionStarter]: For program point L55-4(lines 55 61) no Hoare annotation was computed. [2019-10-22 11:22:29,657 INFO L443 ceAbstractionStarter]: For program point L651(lines 651 657) no Hoare annotation was computed. [2019-10-22 11:22:29,658 INFO L443 ceAbstractionStarter]: For program point L618(lines 618 626) no Hoare annotation was computed. [2019-10-22 11:22:29,658 INFO L443 ceAbstractionStarter]: For program point L651-2(lines 651 657) no Hoare annotation was computed. [2019-10-22 11:22:29,658 INFO L443 ceAbstractionStarter]: For program point L618-1(lines 618 626) no Hoare annotation was computed. [2019-10-22 11:22:29,658 INFO L443 ceAbstractionStarter]: For program point L618-2(lines 618 626) no Hoare annotation was computed. [2019-10-22 11:22:29,658 INFO L443 ceAbstractionStarter]: For program point L651-4(lines 651 657) no Hoare annotation was computed. [2019-10-22 11:22:29,658 INFO L443 ceAbstractionStarter]: For program point L651-6(lines 651 657) no Hoare annotation was computed. [2019-10-22 11:22:29,658 INFO L443 ceAbstractionStarter]: For program point L651-8(lines 651 657) no Hoare annotation was computed. [2019-10-22 11:22:29,658 INFO L443 ceAbstractionStarter]: For program point L651-10(lines 651 657) no Hoare annotation was computed. [2019-10-22 11:22:29,658 INFO L439 ceAbstractionStarter]: At program point L949(lines 940 953) the Hoare annotation is: false [2019-10-22 11:22:29,658 INFO L439 ceAbstractionStarter]: At program point L949-1(lines 940 953) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse8 (<= 1 ~waterLevel~0)) (.cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (<= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (<= 0 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4 .cse6) (and .cse7 .cse0 .cse2 .cse8 .cse3 .cse4) (and .cse8 (and .cse7 .cse0 .cse5 .cse3 .cse4 .cse6)))) [2019-10-22 11:22:29,658 INFO L439 ceAbstractionStarter]: At program point L949-2(lines 940 953) the Hoare annotation is: false [2019-10-22 11:22:29,659 INFO L439 ceAbstractionStarter]: At program point L949-3(lines 940 953) the Hoare annotation is: false [2019-10-22 11:22:29,659 INFO L439 ceAbstractionStarter]: At program point L949-4(lines 940 953) the Hoare annotation is: false [2019-10-22 11:22:29,659 INFO L439 ceAbstractionStarter]: At program point L949-5(lines 940 953) the Hoare annotation is: false [2019-10-22 11:22:29,660 INFO L439 ceAbstractionStarter]: At program point L685(lines 680 688) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~methaneLevelCritical~0 ~systemActive~0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:22:29,660 INFO L439 ceAbstractionStarter]: At program point L685-1(lines 680 688) the Hoare annotation is: false [2019-10-22 11:22:29,660 INFO L439 ceAbstractionStarter]: At program point L685-2(lines 680 688) the Hoare annotation is: false [2019-10-22 11:22:29,660 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:22:29,660 INFO L443 ceAbstractionStarter]: For program point L488(lines 487 532) no Hoare annotation was computed. [2019-10-22 11:22:29,660 INFO L443 ceAbstractionStarter]: For program point L753(lines 753 757) no Hoare annotation was computed. [2019-10-22 11:22:29,660 INFO L443 ceAbstractionStarter]: For program point L753-2(lines 753 757) no Hoare annotation was computed. [2019-10-22 11:22:29,660 INFO L443 ceAbstractionStarter]: For program point L753-3(lines 753 757) no Hoare annotation was computed. [2019-10-22 11:22:29,660 INFO L443 ceAbstractionStarter]: For program point L588(lines 588 605) no Hoare annotation was computed. [2019-10-22 11:22:29,660 INFO L443 ceAbstractionStarter]: For program point L753-5(lines 753 757) no Hoare annotation was computed. [2019-10-22 11:22:29,660 INFO L443 ceAbstractionStarter]: For program point L588-1(lines 588 605) no Hoare annotation was computed. [2019-10-22 11:22:29,660 INFO L443 ceAbstractionStarter]: For program point L753-6(lines 753 757) no Hoare annotation was computed. [2019-10-22 11:22:29,660 INFO L443 ceAbstractionStarter]: For program point L588-2(lines 588 605) no Hoare annotation was computed. [2019-10-22 11:22:29,660 INFO L443 ceAbstractionStarter]: For program point L489(lines 489 493) no Hoare annotation was computed. [2019-10-22 11:22:29,661 INFO L443 ceAbstractionStarter]: For program point L588-3(lines 588 605) no Hoare annotation was computed. [2019-10-22 11:22:29,661 INFO L443 ceAbstractionStarter]: For program point L753-8(lines 753 757) no Hoare annotation was computed. [2019-10-22 11:22:29,661 INFO L443 ceAbstractionStarter]: For program point L588-4(lines 588 605) no Hoare annotation was computed. [2019-10-22 11:22:29,661 INFO L443 ceAbstractionStarter]: For program point L588-5(lines 588 605) no Hoare annotation was computed. [2019-10-22 11:22:29,661 INFO L439 ceAbstractionStarter]: At program point L556(lines 555 574) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (<= 1 ~waterLevel~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~methaneLevelCritical~0 ~systemActive~0) .cse0 (and .cse1 .cse2)) (and .cse1 (<= ~methaneLevelCritical~0 0) .cse0 .cse2 (<= 0 ~methaneLevelCritical~0)))) [2019-10-22 11:22:29,661 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 527) no Hoare annotation was computed. [2019-10-22 11:22:29,661 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 556 562) no Hoare annotation was computed. [2019-10-22 11:22:29,661 INFO L439 ceAbstractionStarter]: At program point L556-2(lines 555 574) the Hoare annotation is: false [2019-10-22 11:22:29,661 INFO L443 ceAbstractionStarter]: For program point L523-2(lines 556 562) no Hoare annotation was computed. [2019-10-22 11:22:29,661 INFO L439 ceAbstractionStarter]: At program point L556-3(lines 555 574) the Hoare annotation is: false [2019-10-22 11:22:29,661 INFO L439 ceAbstractionStarter]: At program point L94(lines 1 971) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (<= 0 ~methaneLevelCritical~0)) [2019-10-22 11:22:29,661 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:22:29,661 INFO L446 ceAbstractionStarter]: At program point L855(lines 836 858) the Hoare annotation is: true [2019-10-22 11:22:29,662 INFO L439 ceAbstractionStarter]: At program point L823(lines 819 825) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (<= 0 ~methaneLevelCritical~0)) [2019-10-22 11:22:29,662 INFO L443 ceAbstractionStarter]: For program point L592(lines 592 600) no Hoare annotation was computed. [2019-10-22 11:22:29,662 INFO L443 ceAbstractionStarter]: For program point L592-1(lines 592 600) no Hoare annotation was computed. [2019-10-22 11:22:29,662 INFO L443 ceAbstractionStarter]: For program point L592-2(lines 592 600) no Hoare annotation was computed. [2019-10-22 11:22:29,662 INFO L443 ceAbstractionStarter]: For program point L592-3(lines 592 600) no Hoare annotation was computed. [2019-10-22 11:22:29,662 INFO L443 ceAbstractionStarter]: For program point L592-4(lines 592 600) no Hoare annotation was computed. [2019-10-22 11:22:29,662 INFO L443 ceAbstractionStarter]: For program point L592-5(lines 592 600) no Hoare annotation was computed. [2019-10-22 11:22:29,662 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:22:29,662 INFO L443 ceAbstractionStarter]: For program point L891(lines 891 895) no Hoare annotation was computed. [2019-10-22 11:22:29,662 INFO L439 ceAbstractionStarter]: At program point L759(lines 744 762) the Hoare annotation is: (let ((.cse5 (= 1 ~systemActive~0)) (.cse0 (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~3)) (.cse1 (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|)) (.cse2 (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (<= ULTIMATE.start_isLowWaterLevel_~tmp~9 0)) (.cse7 (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~9)) (.cse8 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 ~systemActive~0) .cse3 .cse4 (and .cse5 .cse6) .cse7 .cse8) (and .cse5 (<= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse7 .cse8 .cse6 (<= 0 ~methaneLevelCritical~0)))) [2019-10-22 11:22:29,663 INFO L439 ceAbstractionStarter]: At program point L759-1(lines 744 762) the Hoare annotation is: false [2019-10-22 11:22:29,663 INFO L439 ceAbstractionStarter]: At program point L759-2(lines 744 762) the Hoare annotation is: false [2019-10-22 11:22:29,663 INFO L439 ceAbstractionStarter]: At program point L959(lines 954 962) the Hoare annotation is: (let ((.cse1 (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|))) (or (and .cse0 (<= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4 (<= 0 ~methaneLevelCritical~0)) (and .cse1 (= ~methaneLevelCritical~0 ~systemActive~0) .cse2 (and .cse0 .cse4) .cse3))) [2019-10-22 11:22:29,664 INFO L439 ceAbstractionStarter]: At program point L959-1(lines 954 962) the Hoare annotation is: false [2019-10-22 11:22:29,664 INFO L439 ceAbstractionStarter]: At program point L959-2(lines 954 962) the Hoare annotation is: false [2019-10-22 11:22:29,664 INFO L439 ceAbstractionStarter]: At program point L563(lines 563 569) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (<= ~methaneLevelCritical~0 0)) (.cse3 (<= 0 ~methaneLevelCritical~0)) (.cse1 (and .cse4 (= ~pumpRunning~0 0) .cse5)) (.cse2 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (<= 2 ~waterLevel~0) .cse0 .cse5 .cse3) (and (and .cse1 (= ~methaneLevelCritical~0 ~systemActive~0)) .cse2)))) [2019-10-22 11:22:29,664 INFO L439 ceAbstractionStarter]: At program point L563-1(lines 563 569) the Hoare annotation is: false [2019-10-22 11:22:29,664 INFO L443 ceAbstractionStarter]: For program point L497(lines 497 503) no Hoare annotation was computed. [2019-10-22 11:22:29,664 INFO L439 ceAbstractionStarter]: At program point L563-2(lines 563 569) the Hoare annotation is: false [2019-10-22 11:22:29,664 INFO L439 ceAbstractionStarter]: At program point L497-1(lines 497 503) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse4 (<= ~methaneLevelCritical~0 0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (<= 0 ~methaneLevelCritical~0))) (or (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0) .cse1 .cse2 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) .cse3) (and .cse0 .cse4 (<= 2 ~waterLevel~0) (< 0 (+ ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 1)) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (<= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0) .cse3 .cse5) (and .cse0 .cse4 .cse1 .cse2 .cse3 .cse5))) [2019-10-22 11:22:29,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:22:29 BoogieIcfgContainer [2019-10-22 11:22:29,689 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:22:29,690 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:22:29,690 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:22:29,690 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:22:29,690 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:22" (3/4) ... [2019-10-22 11:22:29,699 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:22:29,713 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:22:29,714 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 11:22:29,715 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 11:22:29,715 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-10-22 11:22:29,716 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:22:29,718 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:22:29,744 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) || ((((((((1 == systemActive && methaneLevelCritical <= 0) && 2 <= waterLevel) && 0 < tmp + 1) && 0 <= \result) && \result <= 0) && tmp <= 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((((1 == systemActive && methaneLevelCritical <= 0) && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) [2019-10-22 11:22:29,744 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) || ((((((((1 == systemActive && methaneLevelCritical <= 0) && 2 <= waterLevel) && 0 < tmp + 1) && 0 <= \result) && \result <= 0) && tmp <= 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((((1 == systemActive && methaneLevelCritical <= 0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) [2019-10-22 11:22:29,745 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical == systemActive) && !(0 == \result)) && 1 <= waterLevel) || ((((((1 == systemActive && methaneLevelCritical <= 0) && 2 <= waterLevel) && 0 <= \result) && \result <= 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (1 <= waterLevel && (((methaneLevelCritical <= 0 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= \result) && \result <= 0) && 0 <= methaneLevelCritical) [2019-10-22 11:22:29,746 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical <= 0) && \result <= 0) && 1 <= waterLevel) && 0 <= \result) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || ((((\result <= 0 && methaneLevelCritical == systemActive) && 1 <= waterLevel) && 1 == systemActive && 0 == splverifierCounter) && 0 <= \result) [2019-10-22 11:22:29,747 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 2 <= waterLevel) && methaneLevelCritical == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 2 <= waterLevel) && methaneLevelCritical <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((((\result == 1 && 1 == systemActive) && methaneLevelCritical == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (1 <= waterLevel && ((((\result == 1 && 1 == systemActive) && methaneLevelCritical <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) [2019-10-22 11:22:29,747 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && \result == 0) && methaneLevelCritical == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter [2019-10-22 11:22:29,747 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= tmp___0 && 1 <= \result) && \result <= 0) && methaneLevelCritical == systemActive) && 1 <= waterLevel) && tmp <= 0) && 1 == systemActive && 0 == splverifierCounter) && 0 <= tmp) && 0 <= \result) || ((((((((((1 == systemActive && methaneLevelCritical <= 0) && 1 <= tmp___0) && 1 <= \result) && \result <= 0) && 1 <= waterLevel) && tmp <= 0) && 0 <= tmp) && 0 <= \result) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) [2019-10-22 11:22:29,748 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 2 <= waterLevel) && methaneLevelCritical == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 2 <= waterLevel) && methaneLevelCritical <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((methaneLevelCritical <= 0 && 1 == waterLevel) && (((0 == \result && 1 == systemActive) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || ((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical == systemActive) && 1 <= waterLevel) [2019-10-22 11:22:29,749 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && 2 <= waterLevel) && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || (((((1 == systemActive && 2 <= waterLevel) && methaneLevelCritical == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) [2019-10-22 11:22:29,749 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == \result) && 1 == systemActive) && 2 <= waterLevel) && methaneLevelCritical == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) || (((((((1 == systemActive && 2 <= waterLevel) && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) [2019-10-22 11:22:29,815 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b6f8058b-42eb-4cc9-a824-9726ab32a669/bin/utaipan/witness.graphml [2019-10-22 11:22:29,816 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:22:29,817 INFO L168 Benchmark]: Toolchain (without parser) took 8961.41 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 256.9 MB). Free memory was 940.5 MB in the beginning and 936.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 261.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:29,817 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:29,817 INFO L168 Benchmark]: CACSL2BoogieTranslator took 497.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -181.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:29,818 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.87 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 11:22:29,818 INFO L168 Benchmark]: Boogie Preprocessor took 75.81 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 11:22:29,818 INFO L168 Benchmark]: RCFGBuilder took 855.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:29,818 INFO L168 Benchmark]: TraceAbstraction took 7323.03 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 117.4 MB). Free memory was 1.0 GB in the beginning and 957.3 MB in the end (delta: 83.2 MB). Peak memory consumption was 232.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:29,819 INFO L168 Benchmark]: Witness Printer took 126.02 ms. Allocated memory is still 1.3 GB. Free memory was 957.3 MB in the beginning and 936.2 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:29,820 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 497.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -181.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.87 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 75.81 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. * RCFGBuilder took 855.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7323.03 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 117.4 MB). Free memory was 1.0 GB in the beginning and 957.3 MB in the end (delta: 83.2 MB). Peak memory consumption was 232.7 MB. Max. memory is 11.5 GB. * Witness Printer took 126.02 ms. Allocated memory is still 1.3 GB. Free memory was 957.3 MB in the beginning and 936.2 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 968]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 968]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 968]: 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: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: ((((((!(0 == \result) && 1 == systemActive) && 2 <= waterLevel) && methaneLevelCritical == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) || (((((((1 == systemActive && 2 <= waterLevel) && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical <= 0) && 1 == waterLevel) && pumpRunning == 0) && 0 <= methaneLevelCritical - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) || ((((((((1 == systemActive && methaneLevelCritical <= 0) && 2 <= waterLevel) && 0 < tmp + 1) && 0 <= \result) && \result <= 0) && tmp <= 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((((1 == systemActive && methaneLevelCritical <= 0) && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: ((((methaneLevelCritical <= 0 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= waterLevel) && 0 <= methaneLevelCritical) || ((((1 == systemActive && 2 <= waterLevel) && methaneLevelCritical <= 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical == systemActive) && 1 <= waterLevel) - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) || ((((((((1 == systemActive && methaneLevelCritical <= 0) && 2 <= waterLevel) && 0 < tmp + 1) && 0 <= \result) && \result <= 0) && tmp <= 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((((1 == systemActive && methaneLevelCritical <= 0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical <= 0) && 1 == waterLevel) && pumpRunning == 0) && 0 <= methaneLevelCritical - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == systemActive && 1 <= waterLevel) && 1 == systemActive && 0 == splverifierCounter) || ((((1 == systemActive && methaneLevelCritical <= 0) && 1 <= waterLevel) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && 2 <= waterLevel) && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || (((((1 == systemActive && 2 <= waterLevel) && methaneLevelCritical == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical == systemActive) && !(0 == \result)) && 1 <= waterLevel) || ((((((1 == systemActive && methaneLevelCritical <= 0) && 2 <= waterLevel) && 0 <= \result) && \result <= 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (1 <= waterLevel && (((methaneLevelCritical <= 0 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= \result) && \result <= 0) && 0 <= methaneLevelCritical) - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 2 <= waterLevel) && methaneLevelCritical == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 2 <= waterLevel) && methaneLevelCritical <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((methaneLevelCritical <= 0 && 1 == waterLevel) && (((0 == \result && 1 == systemActive) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || ((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical == systemActive) && 1 <= waterLevel) - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: (((((1 == systemActive && \result == 0) && methaneLevelCritical == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical <= 0) && \result <= 0) && 1 <= waterLevel) && 0 <= \result) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || ((((\result <= 0 && methaneLevelCritical == systemActive) && 1 <= waterLevel) && 1 == systemActive && 0 == splverifierCounter) && 0 <= \result) - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 2 <= waterLevel) && methaneLevelCritical == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 2 <= waterLevel) && methaneLevelCritical <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((((\result == 1 && 1 == systemActive) && methaneLevelCritical == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (1 <= waterLevel && ((((\result == 1 && 1 == systemActive) && methaneLevelCritical <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: ((((((((1 <= tmp___0 && 1 <= \result) && \result <= 0) && methaneLevelCritical == systemActive) && 1 <= waterLevel) && tmp <= 0) && 1 == systemActive && 0 == splverifierCounter) && 0 <= tmp) && 0 <= \result) || ((((((((((1 == systemActive && methaneLevelCritical <= 0) && 1 <= tmp___0) && 1 <= \result) && \result <= 0) && 1 <= waterLevel) && tmp <= 0) && 0 <= tmp) && 0 <= \result) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical <= 0) && 1 == waterLevel) && pumpRunning == 0) && 0 <= methaneLevelCritical - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical <= 0) && 2 <= waterLevel) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || ((((1 == systemActive && methaneLevelCritical == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && methaneLevelCritical <= 0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || ((2 <= waterLevel && methaneLevelCritical == systemActive) && 1 == systemActive && 0 == splverifierCounter) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Result: SAFE, OverallTime: 7.2s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, HoareTripleCheckerStatistics: 1412 SDtfs, 1879 SDslu, 2654 SDs, 0 SdLazy, 364 SolverSat, 67 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 198 GetRequests, 132 SyntacticMatches, 3 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=390occurred in iteration=11, 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, 12 MinimizatonAttempts, 1280 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 54 PreInvPairs, 192 NumberOfFragments, 843 HoareAnnotationTreeSize, 54 FomulaSimplifications, 821397 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 54 FomulaSimplificationsInter, 99644 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 445 NumberOfCodeBlocks, 445 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 487 ConstructedInterpolants, 0 QuantifiedInterpolants, 38780 SizeOfPredicates, 4 NumberOfNonLiveVariables, 418 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 14 InterpolantComputations, 13 PerfectInterpolantSequences, 46/56 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...