./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product46.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_58cad096-a5ba-456e-9dd9-fe6dba53fa59/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_58cad096-a5ba-456e-9dd9-fe6dba53fa59/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_58cad096-a5ba-456e-9dd9-fe6dba53fa59/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_58cad096-a5ba-456e-9dd9-fe6dba53fa59/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_58cad096-a5ba-456e-9dd9-fe6dba53fa59/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_58cad096-a5ba-456e-9dd9-fe6dba53fa59/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 cfed73d0949579dcb398cd2d92995791596ce6cd ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 11:21:49,290 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:21:49,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:21:49,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:21:49,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:21:49,302 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:21:49,303 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:21:49,304 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:21:49,305 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:21:49,306 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:21:49,307 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:21:49,308 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:21:49,308 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:21:49,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:21:49,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:21:49,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:21:49,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:21:49,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:21:49,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:21:49,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:21:49,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:21:49,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:21:49,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:21:49,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:21:49,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:21:49,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:21:49,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:21:49,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:21:49,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:21:49,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:21:49,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:21:49,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:21:49,322 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:21:49,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:21:49,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:21:49,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:21:49,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:21:49,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:21:49,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:21:49,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:21:49,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:21:49,330 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_58cad096-a5ba-456e-9dd9-fe6dba53fa59/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:21:49,340 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:21:49,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:21:49,341 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:21:49,341 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:21:49,342 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:21:49,342 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:21:49,342 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:21:49,342 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:21:49,342 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:21:49,343 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:21:49,343 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:21:49,343 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:21:49,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:21:49,344 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:21:49,344 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:21:49,344 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:21:49,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:21:49,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:21:49,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:21:49,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:21:49,345 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:21:49,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:21:49,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:21:49,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:21:49,345 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:21:49,346 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:21:49,346 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:21:49,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:21:49,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:21:49,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:21:49,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:21:49,347 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:21:49,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:21:49,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:21:49,347 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:21:49,347 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_58cad096-a5ba-456e-9dd9-fe6dba53fa59/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 -> cfed73d0949579dcb398cd2d92995791596ce6cd [2019-10-22 11:21:49,370 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:21:49,380 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:21:49,383 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:21:49,384 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:21:49,385 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:21:49,385 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_58cad096-a5ba-456e-9dd9-fe6dba53fa59/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c [2019-10-22 11:21:49,440 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58cad096-a5ba-456e-9dd9-fe6dba53fa59/bin/utaipan/data/cf16de8fd/5204c2609b694222af1061a36ec87135/FLAG1f6d2dbac [2019-10-22 11:21:49,902 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:21:49,903 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_58cad096-a5ba-456e-9dd9-fe6dba53fa59/sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c [2019-10-22 11:21:49,918 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58cad096-a5ba-456e-9dd9-fe6dba53fa59/bin/utaipan/data/cf16de8fd/5204c2609b694222af1061a36ec87135/FLAG1f6d2dbac [2019-10-22 11:21:50,406 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_58cad096-a5ba-456e-9dd9-fe6dba53fa59/bin/utaipan/data/cf16de8fd/5204c2609b694222af1061a36ec87135 [2019-10-22 11:21:50,408 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:21:50,409 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:21:50,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:50,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:21:50,413 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:21:50,414 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:50" (1/1) ... [2019-10-22 11:21:50,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10387a0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:50, skipping insertion in model container [2019-10-22 11:21:50,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:50" (1/1) ... [2019-10-22 11:21:50,424 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:21:50,465 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:21:50,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:50,825 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:21:50,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:50,940 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:21:50,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:50 WrapperNode [2019-10-22 11:21:50,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:50,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:50,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:21:50,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:21:50,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:50" (1/1) ... [2019-10-22 11:21:50,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:50" (1/1) ... [2019-10-22 11:21:51,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:51,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:21:51,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:21:51,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:21:51,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:50" (1/1) ... [2019-10-22 11:21:51,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:50" (1/1) ... [2019-10-22 11:21:51,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:50" (1/1) ... [2019-10-22 11:21:51,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:50" (1/1) ... [2019-10-22 11:21:51,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:50" (1/1) ... [2019-10-22 11:21:51,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:50" (1/1) ... [2019-10-22 11:21:51,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:50" (1/1) ... [2019-10-22 11:21:51,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:21:51,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:21:51,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:21:51,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:21:51,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58cad096-a5ba-456e-9dd9-fe6dba53fa59/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 11:21:51,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:21:51,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:21:51,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:21:51,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:21:51,966 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:21:51,967 INFO L284 CfgBuilder]: Removed 200 assume(true) statements. [2019-10-22 11:21:51,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:51 BoogieIcfgContainer [2019-10-22 11:21:51,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:21:51,969 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:21:51,969 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:21:51,972 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:21:51,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:21:50" (1/3) ... [2019-10-22 11:21:51,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159b1c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:51, skipping insertion in model container [2019-10-22 11:21:51,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:50" (2/3) ... [2019-10-22 11:21:51,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159b1c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:51, skipping insertion in model container [2019-10-22 11:21:51,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:51" (3/3) ... [2019-10-22 11:21:51,975 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product46.cil.c [2019-10-22 11:21:51,983 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:21:51,990 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:21:51,999 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:21:52,020 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:21:52,020 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:21:52,021 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:21:52,021 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:21:52,021 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:21:52,021 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:21:52,021 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:21:52,021 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:21:52,036 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2019-10-22 11:21:52,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 11:21:52,043 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:52,044 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:52,045 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:52,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:52,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1532365727, now seen corresponding path program 1 times [2019-10-22 11:21:52,061 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:52,061 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413083777] [2019-10-22 11:21:52,062 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:52,062 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:52,062 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:52,222 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 11:21:52,223 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413083777] [2019-10-22 11:21:52,223 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:52,224 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:21:52,224 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259635883] [2019-10-22 11:21:52,228 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:21:52,229 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:52,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:21:52,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:21:52,243 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2019-10-22 11:21:52,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:52,274 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2019-10-22 11:21:52,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:21:52,275 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 11:21:52,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:52,286 INFO L225 Difference]: With dead ends: 264 [2019-10-22 11:21:52,286 INFO L226 Difference]: Without dead ends: 131 [2019-10-22 11:21:52,289 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 11:21:52,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-10-22 11:21:52,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-10-22 11:21:52,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-10-22 11:21:52,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2019-10-22 11:21:52,326 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 18 [2019-10-22 11:21:52,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:52,326 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2019-10-22 11:21:52,326 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:21:52,326 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2019-10-22 11:21:52,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 11:21:52,327 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:52,327 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:52,328 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:52,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:52,328 INFO L82 PathProgramCache]: Analyzing trace with hash -70818645, now seen corresponding path program 1 times [2019-10-22 11:21:52,328 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:52,328 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657736744] [2019-10-22 11:21:52,328 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:52,329 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:52,329 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:52,430 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 11:21:52,431 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657736744] [2019-10-22 11:21:52,431 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:52,431 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:21:52,431 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231445631] [2019-10-22 11:21:52,433 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:21:52,433 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:52,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:21:52,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:52,433 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand 3 states. [2019-10-22 11:21:52,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:52,446 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2019-10-22 11:21:52,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:21:52,447 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 11:21:52,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:52,447 INFO L225 Difference]: With dead ends: 131 [2019-10-22 11:21:52,447 INFO L226 Difference]: Without dead ends: 53 [2019-10-22 11:21:52,448 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 11:21:52,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-10-22 11:21:52,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-10-22 11:21:52,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-10-22 11:21:52,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2019-10-22 11:21:52,454 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 19 [2019-10-22 11:21:52,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:52,454 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2019-10-22 11:21:52,454 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:21:52,454 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2019-10-22 11:21:52,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:21:52,455 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:52,455 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 11:21:52,455 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:52,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:52,456 INFO L82 PathProgramCache]: Analyzing trace with hash 1705695964, now seen corresponding path program 1 times [2019-10-22 11:21:52,456 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:52,456 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721848429] [2019-10-22 11:21:52,456 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:52,456 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:52,456 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:52,553 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 11:21:52,553 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721848429] [2019-10-22 11:21:52,553 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:52,553 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:21:52,554 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594703894] [2019-10-22 11:21:52,554 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:21:52,555 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:52,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:21:52,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:21:52,556 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 5 states. [2019-10-22 11:21:52,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:52,600 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2019-10-22 11:21:52,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:21:52,600 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-10-22 11:21:52,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:52,601 INFO L225 Difference]: With dead ends: 100 [2019-10-22 11:21:52,601 INFO L226 Difference]: Without dead ends: 53 [2019-10-22 11:21:52,602 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 11:21:52,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-10-22 11:21:52,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-10-22 11:21:52,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-10-22 11:21:52,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2019-10-22 11:21:52,611 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 24 [2019-10-22 11:21:52,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:52,611 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2019-10-22 11:21:52,611 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:21:52,611 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2019-10-22 11:21:52,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 11:21:52,612 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:52,612 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:52,612 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:52,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:52,612 INFO L82 PathProgramCache]: Analyzing trace with hash -1939313638, now seen corresponding path program 1 times [2019-10-22 11:21:52,613 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:52,613 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677948928] [2019-10-22 11:21:52,613 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:52,613 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:52,613 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:52,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:52,656 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 11:21:52,656 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677948928] [2019-10-22 11:21:52,657 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:52,657 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:21:52,657 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890179873] [2019-10-22 11:21:52,657 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:21:52,657 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:52,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:21:52,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:52,658 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2019-10-22 11:21:52,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:52,722 INFO L93 Difference]: Finished difference Result 123 states and 177 transitions. [2019-10-22 11:21:52,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:21:52,723 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-22 11:21:52,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:52,724 INFO L225 Difference]: With dead ends: 123 [2019-10-22 11:21:52,724 INFO L226 Difference]: Without dead ends: 76 [2019-10-22 11:21:52,724 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 11:21:52,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2019-10-22 11:21:52,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2019-10-22 11:21:52,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-10-22 11:21:52,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 104 transitions. [2019-10-22 11:21:52,732 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 104 transitions. Word has length 26 [2019-10-22 11:21:52,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:52,732 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 104 transitions. [2019-10-22 11:21:52,732 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:21:52,732 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 104 transitions. [2019-10-22 11:21:52,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 11:21:52,733 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:52,733 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:52,733 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:52,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:52,734 INFO L82 PathProgramCache]: Analyzing trace with hash -501882354, now seen corresponding path program 1 times [2019-10-22 11:21:52,734 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:52,734 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277342794] [2019-10-22 11:21:52,734 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:52,734 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:52,734 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:52,799 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 11:21:52,800 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277342794] [2019-10-22 11:21:52,800 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:52,800 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:21:52,800 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309866092] [2019-10-22 11:21:52,801 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:21:52,801 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:52,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:21:52,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:21:52,802 INFO L87 Difference]: Start difference. First operand 74 states and 104 transitions. Second operand 5 states. [2019-10-22 11:21:52,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:52,915 INFO L93 Difference]: Finished difference Result 373 states and 541 transitions. [2019-10-22 11:21:52,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 11:21:52,916 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-10-22 11:21:52,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:52,918 INFO L225 Difference]: With dead ends: 373 [2019-10-22 11:21:52,918 INFO L226 Difference]: Without dead ends: 305 [2019-10-22 11:21:52,919 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:21:52,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2019-10-22 11:21:52,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 121. [2019-10-22 11:21:52,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-10-22 11:21:52,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 167 transitions. [2019-10-22 11:21:52,942 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 167 transitions. Word has length 32 [2019-10-22 11:21:52,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:52,942 INFO L462 AbstractCegarLoop]: Abstraction has 121 states and 167 transitions. [2019-10-22 11:21:52,942 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:21:52,943 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 167 transitions. [2019-10-22 11:21:52,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 11:21:52,943 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:52,944 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 11:21:52,944 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:52,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:52,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1572928884, now seen corresponding path program 1 times [2019-10-22 11:21:52,944 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:52,945 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298044003] [2019-10-22 11:21:52,945 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:52,945 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:52,945 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:52,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:53,041 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 11:21:53,041 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298044003] [2019-10-22 11:21:53,042 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:53,042 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:21:53,042 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616070926] [2019-10-22 11:21:53,042 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:21:53,042 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:53,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:21:53,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:21:53,045 INFO L87 Difference]: Start difference. First operand 121 states and 167 transitions. Second operand 5 states. [2019-10-22 11:21:53,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:53,215 INFO L93 Difference]: Finished difference Result 628 states and 899 transitions. [2019-10-22 11:21:53,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:21:53,216 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-10-22 11:21:53,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:53,218 INFO L225 Difference]: With dead ends: 628 [2019-10-22 11:21:53,218 INFO L226 Difference]: Without dead ends: 560 [2019-10-22 11:21:53,219 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 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 11:21:53,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2019-10-22 11:21:53,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 181. [2019-10-22 11:21:53,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2019-10-22 11:21:53,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 250 transitions. [2019-10-22 11:21:53,263 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 250 transitions. Word has length 33 [2019-10-22 11:21:53,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:53,268 INFO L462 AbstractCegarLoop]: Abstraction has 181 states and 250 transitions. [2019-10-22 11:21:53,268 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:21:53,268 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 250 transitions. [2019-10-22 11:21:53,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 11:21:53,269 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:53,269 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 11:21:53,269 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:53,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:53,270 INFO L82 PathProgramCache]: Analyzing trace with hash 1710921162, now seen corresponding path program 1 times [2019-10-22 11:21:53,270 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:53,270 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031316663] [2019-10-22 11:21:53,270 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:53,270 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:53,271 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:53,330 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 11:21:53,330 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031316663] [2019-10-22 11:21:53,331 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:53,331 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:21:53,331 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989438180] [2019-10-22 11:21:53,331 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:21:53,332 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:53,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:21:53,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:21:53,332 INFO L87 Difference]: Start difference. First operand 181 states and 250 transitions. Second operand 4 states. [2019-10-22 11:21:53,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:53,425 INFO L93 Difference]: Finished difference Result 553 states and 772 transitions. [2019-10-22 11:21:53,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:21:53,425 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-10-22 11:21:53,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:53,427 INFO L225 Difference]: With dead ends: 553 [2019-10-22 11:21:53,427 INFO L226 Difference]: Without dead ends: 423 [2019-10-22 11:21:53,428 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 11:21:53,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2019-10-22 11:21:53,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 181. [2019-10-22 11:21:53,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2019-10-22 11:21:53,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 248 transitions. [2019-10-22 11:21:53,453 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 248 transitions. Word has length 33 [2019-10-22 11:21:53,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:53,454 INFO L462 AbstractCegarLoop]: Abstraction has 181 states and 248 transitions. [2019-10-22 11:21:53,454 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:21:53,454 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 248 transitions. [2019-10-22 11:21:53,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 11:21:53,457 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:53,457 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 11:21:53,457 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:53,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:53,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1969086600, now seen corresponding path program 1 times [2019-10-22 11:21:53,458 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:53,458 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312738469] [2019-10-22 11:21:53,458 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:53,458 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:53,458 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:53,521 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 11:21:53,521 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312738469] [2019-10-22 11:21:53,522 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:53,522 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 11:21:53,522 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401245550] [2019-10-22 11:21:53,522 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 11:21:53,522 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:53,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 11:21:53,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:21:53,523 INFO L87 Difference]: Start difference. First operand 181 states and 248 transitions. Second operand 7 states. [2019-10-22 11:21:53,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:53,664 INFO L93 Difference]: Finished difference Result 690 states and 957 transitions. [2019-10-22 11:21:53,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:21:53,664 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-10-22 11:21:53,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:53,667 INFO L225 Difference]: With dead ends: 690 [2019-10-22 11:21:53,667 INFO L226 Difference]: Without dead ends: 515 [2019-10-22 11:21:53,668 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-10-22 11:21:53,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2019-10-22 11:21:53,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 190. [2019-10-22 11:21:53,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2019-10-22 11:21:53,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 255 transitions. [2019-10-22 11:21:53,689 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 255 transitions. Word has length 33 [2019-10-22 11:21:53,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:53,689 INFO L462 AbstractCegarLoop]: Abstraction has 190 states and 255 transitions. [2019-10-22 11:21:53,689 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 11:21:53,689 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 255 transitions. [2019-10-22 11:21:53,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 11:21:53,690 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:53,690 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, 1] [2019-10-22 11:21:53,690 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:53,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:53,691 INFO L82 PathProgramCache]: Analyzing trace with hash -558169663, now seen corresponding path program 1 times [2019-10-22 11:21:53,691 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:53,691 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829041020] [2019-10-22 11:21:53,691 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:53,692 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:53,692 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:53,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:53,739 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 11:21:53,739 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829041020] [2019-10-22 11:21:53,739 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:53,739 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:21:53,739 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320154043] [2019-10-22 11:21:53,740 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:21:53,740 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:53,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:21:53,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:21:53,740 INFO L87 Difference]: Start difference. First operand 190 states and 255 transitions. Second operand 6 states. [2019-10-22 11:21:53,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:53,979 INFO L93 Difference]: Finished difference Result 1195 states and 1575 transitions. [2019-10-22 11:21:53,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-22 11:21:53,980 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2019-10-22 11:21:53,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:53,983 INFO L225 Difference]: With dead ends: 1195 [2019-10-22 11:21:53,983 INFO L226 Difference]: Without dead ends: 1011 [2019-10-22 11:21:53,983 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2019-10-22 11:21:53,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2019-10-22 11:21:54,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 372. [2019-10-22 11:21:54,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2019-10-22 11:21:54,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 492 transitions. [2019-10-22 11:21:54,024 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 492 transitions. Word has length 36 [2019-10-22 11:21:54,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:54,024 INFO L462 AbstractCegarLoop]: Abstraction has 372 states and 492 transitions. [2019-10-22 11:21:54,024 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:21:54,024 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 492 transitions. [2019-10-22 11:21:54,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 11:21:54,025 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:54,025 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, 1] [2019-10-22 11:21:54,026 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:54,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:54,026 INFO L82 PathProgramCache]: Analyzing trace with hash 121888707, now seen corresponding path program 1 times [2019-10-22 11:21:54,026 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:54,026 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351579034] [2019-10-22 11:21:54,026 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:54,026 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:54,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:54,066 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 11:21:54,066 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351579034] [2019-10-22 11:21:54,066 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:54,066 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:21:54,067 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590071335] [2019-10-22 11:21:54,067 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:21:54,067 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:54,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:21:54,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:21:54,067 INFO L87 Difference]: Start difference. First operand 372 states and 492 transitions. Second operand 5 states. [2019-10-22 11:21:54,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:54,208 INFO L93 Difference]: Finished difference Result 972 states and 1311 transitions. [2019-10-22 11:21:54,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 11:21:54,208 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-10-22 11:21:54,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:54,210 INFO L225 Difference]: With dead ends: 972 [2019-10-22 11:21:54,211 INFO L226 Difference]: Without dead ends: 606 [2019-10-22 11:21:54,211 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:21:54,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2019-10-22 11:21:54,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 330. [2019-10-22 11:21:54,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2019-10-22 11:21:54,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 426 transitions. [2019-10-22 11:21:54,249 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 426 transitions. Word has length 36 [2019-10-22 11:21:54,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:54,249 INFO L462 AbstractCegarLoop]: Abstraction has 330 states and 426 transitions. [2019-10-22 11:21:54,249 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:21:54,249 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 426 transitions. [2019-10-22 11:21:54,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 11:21:54,250 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:54,250 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, 1, 1] [2019-10-22 11:21:54,250 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:54,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:54,251 INFO L82 PathProgramCache]: Analyzing trace with hash -613249401, now seen corresponding path program 1 times [2019-10-22 11:21:54,251 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:54,251 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295154350] [2019-10-22 11:21:54,251 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:54,252 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:54,252 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:54,291 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 11:21:54,292 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295154350] [2019-10-22 11:21:54,292 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:54,292 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:21:54,292 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182138107] [2019-10-22 11:21:54,292 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:21:54,292 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:54,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:21:54,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:21:54,293 INFO L87 Difference]: Start difference. First operand 330 states and 426 transitions. Second operand 5 states. [2019-10-22 11:21:54,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:54,459 INFO L93 Difference]: Finished difference Result 815 states and 1049 transitions. [2019-10-22 11:21:54,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 11:21:54,461 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-10-22 11:21:54,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:54,463 INFO L225 Difference]: With dead ends: 815 [2019-10-22 11:21:54,463 INFO L226 Difference]: Without dead ends: 491 [2019-10-22 11:21:54,463 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:21:54,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2019-10-22 11:21:54,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 314. [2019-10-22 11:21:54,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 314 states. [2019-10-22 11:21:54,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 395 transitions. [2019-10-22 11:21:54,502 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 395 transitions. Word has length 37 [2019-10-22 11:21:54,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:54,504 INFO L462 AbstractCegarLoop]: Abstraction has 314 states and 395 transitions. [2019-10-22 11:21:54,504 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:21:54,504 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 395 transitions. [2019-10-22 11:21:54,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-22 11:21:54,505 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:54,505 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:54,506 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:54,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:54,506 INFO L82 PathProgramCache]: Analyzing trace with hash -1916178793, now seen corresponding path program 1 times [2019-10-22 11:21:54,506 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:54,506 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416118867] [2019-10-22 11:21:54,506 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:54,507 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:54,507 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:54,563 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 11:21:54,563 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416118867] [2019-10-22 11:21:54,564 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:54,564 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:21:54,564 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934087024] [2019-10-22 11:21:54,564 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:21:54,565 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:54,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:21:54,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:21:54,565 INFO L87 Difference]: Start difference. First operand 314 states and 395 transitions. Second operand 5 states. [2019-10-22 11:21:54,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:54,686 INFO L93 Difference]: Finished difference Result 810 states and 1020 transitions. [2019-10-22 11:21:54,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 11:21:54,686 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2019-10-22 11:21:54,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:54,688 INFO L225 Difference]: With dead ends: 810 [2019-10-22 11:21:54,688 INFO L226 Difference]: Without dead ends: 502 [2019-10-22 11:21:54,689 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:21:54,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2019-10-22 11:21:54,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 314. [2019-10-22 11:21:54,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 314 states. [2019-10-22 11:21:54,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 389 transitions. [2019-10-22 11:21:54,720 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 389 transitions. Word has length 54 [2019-10-22 11:21:54,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:54,721 INFO L462 AbstractCegarLoop]: Abstraction has 314 states and 389 transitions. [2019-10-22 11:21:54,721 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:21:54,721 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 389 transitions. [2019-10-22 11:21:54,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-22 11:21:54,722 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:54,723 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:54,723 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:54,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:54,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1094031012, now seen corresponding path program 1 times [2019-10-22 11:21:54,723 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:54,723 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805344987] [2019-10-22 11:21:54,723 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:54,724 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:54,724 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:54,787 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:21:54,787 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805344987] [2019-10-22 11:21:54,787 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:54,787 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:21:54,787 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487221318] [2019-10-22 11:21:54,788 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:21:54,791 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:54,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:21:54,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:21:54,791 INFO L87 Difference]: Start difference. First operand 314 states and 389 transitions. Second operand 6 states. [2019-10-22 11:21:54,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:54,957 INFO L93 Difference]: Finished difference Result 757 states and 959 transitions. [2019-10-22 11:21:54,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 11:21:54,958 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2019-10-22 11:21:54,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:54,958 INFO L225 Difference]: With dead ends: 757 [2019-10-22 11:21:54,958 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:21:54,959 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2019-10-22 11:21:54,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:21:54,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:21:54,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:21:54,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:21:54,960 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2019-10-22 11:21:54,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:54,960 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:21:54,960 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:21:54,960 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:21:54,960 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:21:54,965 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:21:55,082 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 81 [2019-10-22 11:21:55,187 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 103 [2019-10-22 11:21:55,360 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 134 [2019-10-22 11:21:55,594 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 148 [2019-10-22 11:21:55,699 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 99 [2019-10-22 11:21:55,800 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 102 [2019-10-22 11:21:56,669 WARN L191 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 261 [2019-10-22 11:21:56,878 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 118 [2019-10-22 11:21:57,516 WARN L191 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 261 [2019-10-22 11:21:58,028 WARN L191 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 229 [2019-10-22 11:21:58,223 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 167 [2019-10-22 11:21:58,535 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 187 [2019-10-22 11:21:58,966 WARN L191 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 235 [2019-10-22 11:21:59,178 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 37 [2019-10-22 11:21:59,585 WARN L191 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2019-10-22 11:22:00,056 WARN L191 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 35 [2019-10-22 11:22:00,643 WARN L191 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 40 [2019-10-22 11:22:00,995 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 25 [2019-10-22 11:22:01,273 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 27 [2019-10-22 11:22:01,598 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 45 [2019-10-22 11:22:02,812 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 254 DAG size of output: 29 [2019-10-22 11:22:03,221 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 28 [2019-10-22 11:22:04,390 WARN L191 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 254 DAG size of output: 29 [2019-10-22 11:22:05,489 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 224 DAG size of output: 35 [2019-10-22 11:22:05,966 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 35 [2019-10-22 11:22:06,696 WARN L191 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 36 [2019-10-22 11:22:07,778 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 229 DAG size of output: 29 [2019-10-22 11:22:07,814 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 502) no Hoare annotation was computed. [2019-10-22 11:22:07,814 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 690 696) no Hoare annotation was computed. [2019-10-22 11:22:07,814 INFO L439 ceAbstractionStarter]: At program point L697(lines 697 703) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 0)) (.cse7 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse8 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse10 (not (= 0 ~systemActive~0))) (.cse11 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (= 0 ULTIMATE.start_activatePump_~tmp~7)) (.cse2 (and .cse7 .cse8 .cse10 .cse11)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse6 (and .cse7 .cse8 (<= ~waterLevel~0 1) .cse9 .cse10 .cse11)) (.cse4 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse5 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 (= 0 |ULTIMATE.start_isMethaneAlarm_#res|) .cse1 .cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3) (and .cse0 .cse2 .cse4 .cse3 .cse5) (and .cse6 .cse5) (and .cse1 .cse6) (and .cse4 (and .cse7 .cse8 .cse9 .cse10 .cse11) .cse5)))) [2019-10-22 11:22:07,814 INFO L439 ceAbstractionStarter]: At program point L697-1(lines 697 703) the Hoare annotation is: false [2019-10-22 11:22:07,815 INFO L439 ceAbstractionStarter]: At program point L697-2(lines 697 703) the Hoare annotation is: false [2019-10-22 11:22:07,815 INFO L439 ceAbstractionStarter]: At program point L103(lines 1 960) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-10-22 11:22:07,815 INFO L443 ceAbstractionStarter]: For program point L897(lines 896 943) no Hoare annotation was computed. [2019-10-22 11:22:07,815 INFO L443 ceAbstractionStarter]: For program point L898(lines 898 902) no Hoare annotation was computed. [2019-10-22 11:22:07,815 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 576) no Hoare annotation was computed. [2019-10-22 11:22:07,815 INFO L446 ceAbstractionStarter]: At program point L569-1(lines 569 576) the Hoare annotation is: true [2019-10-22 11:22:07,815 INFO L443 ceAbstractionStarter]: For program point L867(lines 867 871) no Hoare annotation was computed. [2019-10-22 11:22:07,815 INFO L443 ceAbstractionStarter]: For program point L867-2(lines 867 871) no Hoare annotation was computed. [2019-10-22 11:22:07,815 INFO L443 ceAbstractionStarter]: For program point L867-3(lines 867 871) no Hoare annotation was computed. [2019-10-22 11:22:07,815 INFO L443 ceAbstractionStarter]: For program point L867-5(lines 867 871) no Hoare annotation was computed. [2019-10-22 11:22:07,816 INFO L443 ceAbstractionStarter]: For program point L669(lines 669 675) no Hoare annotation was computed. [2019-10-22 11:22:07,816 INFO L443 ceAbstractionStarter]: For program point L867-6(lines 867 871) no Hoare annotation was computed. [2019-10-22 11:22:07,816 INFO L443 ceAbstractionStarter]: For program point L669-1(lines 669 675) no Hoare annotation was computed. [2019-10-22 11:22:07,816 INFO L443 ceAbstractionStarter]: For program point L669-2(lines 669 675) no Hoare annotation was computed. [2019-10-22 11:22:07,816 INFO L443 ceAbstractionStarter]: For program point L867-8(lines 867 871) no Hoare annotation was computed. [2019-10-22 11:22:07,816 INFO L443 ceAbstractionStarter]: For program point L669-3(lines 669 675) no Hoare annotation was computed. [2019-10-22 11:22:07,816 INFO L443 ceAbstractionStarter]: For program point L867-9(lines 867 871) no Hoare annotation was computed. [2019-10-22 11:22:07,816 INFO L443 ceAbstractionStarter]: For program point L669-4(lines 669 675) no Hoare annotation was computed. [2019-10-22 11:22:07,816 INFO L443 ceAbstractionStarter]: For program point L867-11(lines 867 871) no Hoare annotation was computed. [2019-10-22 11:22:07,816 INFO L443 ceAbstractionStarter]: For program point L669-5(lines 669 675) no Hoare annotation was computed. [2019-10-22 11:22:07,816 INFO L443 ceAbstractionStarter]: For program point L867-12(lines 867 871) no Hoare annotation was computed. [2019-10-22 11:22:07,816 INFO L443 ceAbstractionStarter]: For program point L867-14(lines 867 871) no Hoare annotation was computed. [2019-10-22 11:22:07,817 INFO L443 ceAbstractionStarter]: For program point L867-15(lines 867 871) no Hoare annotation was computed. [2019-10-22 11:22:07,817 INFO L443 ceAbstractionStarter]: For program point L867-17(lines 867 871) no Hoare annotation was computed. [2019-10-22 11:22:07,817 INFO L443 ceAbstractionStarter]: For program point L934(lines 934 938) no Hoare annotation was computed. [2019-10-22 11:22:07,817 INFO L439 ceAbstractionStarter]: At program point L934-2(lines 690 696) the Hoare annotation is: (let ((.cse6 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (not (= 0 ~systemActive~0))) (.cse9 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (and .cse6 .cse7 (= ~pumpRunning~0 0) .cse8 .cse9)) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ULTIMATE.start_activatePump_~tmp~7)) (.cse4 (and .cse6 .cse7 .cse8 .cse9)) (.cse5 (= ~pumpRunning~0 1)) (.cse1 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1) (and .cse2 .cse0) (and (and .cse3 .cse2 .cse4) .cse5) (and (and (and .cse3 .cse4) .cse5) .cse1)))) [2019-10-22 11:22:07,817 INFO L443 ceAbstractionStarter]: For program point L604(lines 604 608) no Hoare annotation was computed. [2019-10-22 11:22:07,817 INFO L439 ceAbstractionStarter]: At program point L111(lines 106 114) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-10-22 11:22:07,817 INFO L439 ceAbstractionStarter]: At program point L674(lines 665 678) the Hoare annotation is: false [2019-10-22 11:22:07,817 INFO L439 ceAbstractionStarter]: At program point L674-1(lines 665 678) the Hoare annotation is: (let ((.cse5 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (not (= 0 ~systemActive~0))) (.cse9 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (and .cse5 .cse6 (<= ~waterLevel~0 1) .cse7 .cse8 .cse9)) (.cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse4 (and .cse5 .cse6 .cse7 .cse8 .cse9)) (.cse1 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse3 .cse0) (and (and .cse2 .cse4) .cse1)))) [2019-10-22 11:22:07,818 INFO L439 ceAbstractionStarter]: At program point L674-2(lines 665 678) the Hoare annotation is: false [2019-10-22 11:22:07,818 INFO L439 ceAbstractionStarter]: At program point L674-3(lines 665 678) the Hoare annotation is: false [2019-10-22 11:22:07,818 INFO L439 ceAbstractionStarter]: At program point L674-4(lines 665 678) the Hoare annotation is: false [2019-10-22 11:22:07,818 INFO L439 ceAbstractionStarter]: At program point L674-5(lines 665 678) the Hoare annotation is: false [2019-10-22 11:22:07,818 INFO L443 ceAbstractionStarter]: For program point L906(lines 906 912) no Hoare annotation was computed. [2019-10-22 11:22:07,818 INFO L439 ceAbstractionStarter]: At program point L906-1(lines 906 912) the Hoare annotation is: (let ((.cse8 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse9 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse10 (not (= 0 ~systemActive~0))) (.cse11 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (and .cse8 .cse9 (= ~pumpRunning~0 0) .cse10 .cse11)) (.cse2 (= 0 ULTIMATE.start_activatePump_~tmp~7)) (.cse5 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse6 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 1)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (and .cse8 .cse9 .cse10 .cse11)) (.cse7 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1) (and (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0) (and .cse2 (= 0 |ULTIMATE.start_isMethaneAlarm_#res|) .cse0 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4)) (and .cse5 .cse6 .cse1 .cse7) (and .cse2 .cse5 .cse6 .cse3 .cse4 .cse7)))) [2019-10-22 11:22:07,818 INFO L439 ceAbstractionStarter]: At program point L873(lines 858 876) the Hoare annotation is: false [2019-10-22 11:22:07,818 INFO L439 ceAbstractionStarter]: At program point L873-1(lines 858 876) the Hoare annotation is: (let ((.cse4 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (not (= 0 ~systemActive~0))) (.cse8 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (and .cse4 .cse5 (<= ~waterLevel~0 1) .cse6 .cse7 .cse8)) (.cse2 (= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (and .cse4 .cse5 .cse6 .cse7 .cse8) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~8)))) (or (and .cse0 .cse1) (and .cse1 .cse2) (and .cse3 .cse2) (and .cse0 .cse3)))) [2019-10-22 11:22:07,818 INFO L439 ceAbstractionStarter]: At program point L873-2(lines 858 876) the Hoare annotation is: false [2019-10-22 11:22:07,819 INFO L439 ceAbstractionStarter]: At program point L873-3(lines 858 876) the Hoare annotation is: false [2019-10-22 11:22:07,819 INFO L439 ceAbstractionStarter]: At program point L873-4(lines 858 876) the Hoare annotation is: false [2019-10-22 11:22:07,819 INFO L439 ceAbstractionStarter]: At program point L873-5(lines 858 876) the Hoare annotation is: false [2019-10-22 11:22:07,819 INFO L439 ceAbstractionStarter]: At program point L809(lines 802 812) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_activatePump_~tmp~7)) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (and (= 1 ULTIMATE.start_main_~tmp~4) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)))) (or (and .cse0 (= 0 |ULTIMATE.start_isMethaneAlarm_#res|) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-10-22 11:22:07,819 INFO L439 ceAbstractionStarter]: At program point L809-1(lines 802 812) the Hoare annotation is: false [2019-10-22 11:22:07,820 INFO L439 ceAbstractionStarter]: At program point L809-2(lines 802 812) the Hoare annotation is: (let ((.cse5 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5 0))) (.cse12 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse13 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse14 (= ~pumpRunning~0 0)) (.cse15 (not (= 0 ~systemActive~0))) (.cse16 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse10 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse3 (and .cse5 (and .cse12 .cse13 (<= ~waterLevel~0 1) .cse14 .cse15 .cse16))) (.cse11 (= 1 ~methaneLevelCritical~0)) (.cse4 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse0 (= 0 |ULTIMATE.start_isMethaneAlarm_#res|)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse6 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse7 (and .cse12 .cse13 .cse14 .cse15 .cse16)) (.cse8 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))) (.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse9 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~8))) (or (and .cse0 .cse1 .cse2 .cse3) (and (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) .cse10 .cse11) (and .cse10 .cse3 .cse11) (and .cse4 .cse0 .cse1 .cse5 .cse6 .cse7 .cse8 .cse2 .cse9)))) [2019-10-22 11:22:07,820 INFO L439 ceAbstractionStarter]: At program point L809-3(lines 802 812) the Hoare annotation is: false [2019-10-22 11:22:07,820 INFO L439 ceAbstractionStarter]: At program point L809-4(lines 802 812) the Hoare annotation is: false [2019-10-22 11:22:07,821 INFO L439 ceAbstractionStarter]: At program point L809-5(lines 802 812) the Hoare annotation is: false [2019-10-22 11:22:07,821 INFO L439 ceAbstractionStarter]: At program point L809-6(lines 802 812) the Hoare annotation is: false [2019-10-22 11:22:07,821 INFO L439 ceAbstractionStarter]: At program point L809-7(lines 802 812) the Hoare annotation is: false [2019-10-22 11:22:07,821 INFO L446 ceAbstractionStarter]: At program point L578(lines 559 581) the Hoare annotation is: true [2019-10-22 11:22:07,821 INFO L439 ceAbstractionStarter]: At program point L545(lines 541 547) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~4) (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-10-22 11:22:07,821 INFO L439 ceAbstractionStarter]: At program point L809-8(lines 802 812) the Hoare annotation is: false [2019-10-22 11:22:07,821 INFO L439 ceAbstractionStarter]: At program point L944(lines 895 945) the Hoare annotation is: false [2019-10-22 11:22:07,821 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:22:07,821 INFO L443 ceAbstractionStarter]: For program point L53(lines 53 73) no Hoare annotation was computed. [2019-10-22 11:22:07,821 INFO L443 ceAbstractionStarter]: For program point L53-2(lines 53 73) no Hoare annotation was computed. [2019-10-22 11:22:07,821 INFO L443 ceAbstractionStarter]: For program point L53-4(lines 53 73) no Hoare annotation was computed. [2019-10-22 11:22:07,822 INFO L443 ceAbstractionStarter]: For program point L748(lines 748 765) no Hoare annotation was computed. [2019-10-22 11:22:07,822 INFO L443 ceAbstractionStarter]: For program point L748-1(lines 748 765) no Hoare annotation was computed. [2019-10-22 11:22:07,822 INFO L443 ceAbstractionStarter]: For program point L748-2(lines 748 765) no Hoare annotation was computed. [2019-10-22 11:22:07,822 INFO L443 ceAbstractionStarter]: For program point L616(lines 616 620) no Hoare annotation was computed. [2019-10-22 11:22:07,822 INFO L443 ceAbstractionStarter]: For program point L916(lines 916 922) no Hoare annotation was computed. [2019-10-22 11:22:07,822 INFO L439 ceAbstractionStarter]: At program point L916-1(lines 916 922) the Hoare annotation is: (let ((.cse6 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (not (= 0 ~systemActive~0))) (.cse9 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (and .cse6 .cse7 (= ~pumpRunning~0 0) .cse8 .cse9)) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ULTIMATE.start_activatePump_~tmp~7)) (.cse4 (and .cse6 .cse7 .cse8 .cse9)) (.cse5 (= ~pumpRunning~0 1)) (.cse1 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1) (and .cse2 .cse0) (and (and .cse3 .cse2 .cse4) .cse5) (and (and (and .cse3 .cse4) .cse5) .cse1)))) [2019-10-22 11:22:07,822 INFO L443 ceAbstractionStarter]: For program point L784(lines 784 790) no Hoare annotation was computed. [2019-10-22 11:22:07,822 INFO L443 ceAbstractionStarter]: For program point L784-2(lines 784 790) no Hoare annotation was computed. [2019-10-22 11:22:07,822 INFO L443 ceAbstractionStarter]: For program point L784-4(lines 784 790) no Hoare annotation was computed. [2019-10-22 11:22:07,822 INFO L443 ceAbstractionStarter]: For program point L784-6(lines 784 790) no Hoare annotation was computed. [2019-10-22 11:22:07,822 INFO L443 ceAbstractionStarter]: For program point L784-8(lines 784 790) no Hoare annotation was computed. [2019-10-22 11:22:07,823 INFO L443 ceAbstractionStarter]: For program point L784-10(lines 784 790) no Hoare annotation was computed. [2019-10-22 11:22:07,823 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:22:07,823 INFO L439 ceAbstractionStarter]: At program point L818(lines 813 821) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~4) (= 0 ULTIMATE.start_activatePump_~tmp~7) (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0) (= 0 |ULTIMATE.start_isMethaneAlarm_#res|) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:22:07,823 INFO L439 ceAbstractionStarter]: At program point L818-1(lines 813 821) the Hoare annotation is: false [2019-10-22 11:22:07,823 INFO L443 ceAbstractionStarter]: For program point L752(lines 752 760) no Hoare annotation was computed. [2019-10-22 11:22:07,824 INFO L439 ceAbstractionStarter]: At program point L818-2(lines 813 821) the Hoare annotation is: false [2019-10-22 11:22:07,824 INFO L443 ceAbstractionStarter]: For program point L752-1(lines 752 760) no Hoare annotation was computed. [2019-10-22 11:22:07,824 INFO L443 ceAbstractionStarter]: For program point L752-2(lines 752 760) no Hoare annotation was computed. [2019-10-22 11:22:07,824 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 72) no Hoare annotation was computed. [2019-10-22 11:22:07,824 INFO L439 ceAbstractionStarter]: At program point L59-1(lines 1 960) the Hoare annotation is: (let ((.cse6 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse9 (not (= 0 ~systemActive~0))) (.cse10 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse8 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0)) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse0 (= 0 ULTIMATE.start_activatePump_~tmp~7)) (.cse4 (and .cse6 .cse7 .cse9 .cse10)) (.cse11 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse12 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0 1)) (.cse5 (= ~pumpRunning~0 1)) (.cse13 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 (= 0 |ULTIMATE.start_isMethaneAlarm_#res|) .cse2 .cse3 .cse4 .cse5) (and (and .cse6 .cse7 (= 1 ~waterLevel~0) .cse8 .cse9 .cse10) .cse2) (and .cse11 .cse12 (and .cse6 .cse7 .cse8 .cse9 .cse10) .cse13) (and (and .cse6 .cse7 (<= ~waterLevel~0 1) .cse8 .cse9 .cse10) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse11 .cse12 .cse5 .cse13)))) [2019-10-22 11:22:07,824 INFO L443 ceAbstractionStarter]: For program point L59-2(lines 59 72) no Hoare annotation was computed. [2019-10-22 11:22:07,824 INFO L439 ceAbstractionStarter]: At program point L59-3(lines 1 960) the Hoare annotation is: false [2019-10-22 11:22:07,824 INFO L443 ceAbstractionStarter]: For program point L59-4(lines 59 72) no Hoare annotation was computed. [2019-10-22 11:22:07,824 INFO L439 ceAbstractionStarter]: At program point L59-5(lines 1 960) the Hoare annotation is: false [2019-10-22 11:22:07,825 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:22:07,825 INFO L443 ceAbstractionStarter]: For program point L722(lines 722 739) no Hoare annotation was computed. [2019-10-22 11:22:07,825 INFO L443 ceAbstractionStarter]: For program point L722-1(lines 722 739) no Hoare annotation was computed. [2019-10-22 11:22:07,825 INFO L443 ceAbstractionStarter]: For program point L722-2(lines 722 739) no Hoare annotation was computed. [2019-10-22 11:22:07,825 INFO L443 ceAbstractionStarter]: For program point L722-3(lines 722 739) no Hoare annotation was computed. [2019-10-22 11:22:07,825 INFO L443 ceAbstractionStarter]: For program point L722-4(lines 722 739) no Hoare annotation was computed. [2019-10-22 11:22:07,825 INFO L443 ceAbstractionStarter]: For program point L722-5(lines 722 739) no Hoare annotation was computed. [2019-10-22 11:22:07,825 INFO L439 ceAbstractionStarter]: At program point L690(lines 689 708) the Hoare annotation is: (let ((.cse6 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (not (= 0 ~systemActive~0))) (.cse9 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (and .cse6 .cse7 (= ~pumpRunning~0 0) .cse8 .cse9)) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ULTIMATE.start_activatePump_~tmp~7)) (.cse4 (and .cse6 .cse7 .cse8 .cse9)) (.cse5 (= ~pumpRunning~0 1)) (.cse1 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1) (and .cse2 .cse0) (and (and .cse3 .cse2 .cse4) .cse5) (and (and (and .cse3 .cse4) .cse5) .cse1)))) [2019-10-22 11:22:07,825 INFO L443 ceAbstractionStarter]: For program point L690-1(lines 690 696) no Hoare annotation was computed. [2019-10-22 11:22:07,825 INFO L439 ceAbstractionStarter]: At program point L690-2(lines 689 708) the Hoare annotation is: false [2019-10-22 11:22:07,825 INFO L439 ceAbstractionStarter]: At program point L690-3(lines 689 708) the Hoare annotation is: false [2019-10-22 11:22:07,826 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 957) no Hoare annotation was computed. [2019-10-22 11:22:07,826 INFO L443 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2019-10-22 11:22:07,826 INFO L443 ceAbstractionStarter]: For program point L63-2(lines 63 69) no Hoare annotation was computed. [2019-10-22 11:22:07,826 INFO L443 ceAbstractionStarter]: For program point L63-4(lines 63 69) no Hoare annotation was computed. [2019-10-22 11:22:07,826 INFO L443 ceAbstractionStarter]: For program point L592(lines 592 596) no Hoare annotation was computed. [2019-10-22 11:22:07,826 INFO L443 ceAbstractionStarter]: For program point L592-3(lines 592 596) no Hoare annotation was computed. [2019-10-22 11:22:07,826 INFO L443 ceAbstractionStarter]: For program point L592-6(lines 592 596) no Hoare annotation was computed. [2019-10-22 11:22:07,826 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 957) no Hoare annotation was computed. [2019-10-22 11:22:07,826 INFO L439 ceAbstractionStarter]: At program point L494-2(lines 494 508) the Hoare annotation is: false [2019-10-22 11:22:07,826 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:22:07,826 INFO L443 ceAbstractionStarter]: For program point L957(line 957) no Hoare annotation was computed. [2019-10-22 11:22:07,827 INFO L443 ceAbstractionStarter]: For program point L957-1(line 957) no Hoare annotation was computed. [2019-10-22 11:22:07,827 INFO L443 ceAbstractionStarter]: For program point L957-2(line 957) no Hoare annotation was computed. [2019-10-22 11:22:07,827 INFO L443 ceAbstractionStarter]: For program point L726(lines 726 734) no Hoare annotation was computed. [2019-10-22 11:22:07,827 INFO L443 ceAbstractionStarter]: For program point L726-1(lines 726 734) no Hoare annotation was computed. [2019-10-22 11:22:07,827 INFO L443 ceAbstractionStarter]: For program point L726-2(lines 726 734) no Hoare annotation was computed. [2019-10-22 11:22:07,827 INFO L443 ceAbstractionStarter]: For program point L726-3(lines 726 734) no Hoare annotation was computed. [2019-10-22 11:22:07,828 INFO L443 ceAbstractionStarter]: For program point L726-4(lines 726 734) no Hoare annotation was computed. [2019-10-22 11:22:07,828 INFO L443 ceAbstractionStarter]: For program point L726-5(lines 726 734) no Hoare annotation was computed. [2019-10-22 11:22:07,828 INFO L443 ceAbstractionStarter]: For program point L495(line 495) no Hoare annotation was computed. [2019-10-22 11:22:07,828 INFO L439 ceAbstractionStarter]: At program point L661(lines 656 664) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (or (and .cse0 (and .cse1 .cse2 (and .cse3 .cse4 (<= ~waterLevel~0 1) (not (= |ULTIMATE.start_getWaterLevel_#res| 2)) (= ~pumpRunning~0 0) .cse5 .cse6))) (and .cse0 (and (= 0 ULTIMATE.start_activatePump_~tmp~7) (and .cse3 .cse4 .cse5 .cse6) (= 0 |ULTIMATE.start_isMethaneAlarm_#res|) .cse1 (= ~pumpRunning~0 1)) .cse2))) [2019-10-22 11:22:07,828 INFO L439 ceAbstractionStarter]: At program point L661-1(lines 656 664) the Hoare annotation is: false [2019-10-22 11:22:07,828 INFO L439 ceAbstractionStarter]: At program point L661-2(lines 656 664) the Hoare annotation is: false [2019-10-22 11:22:07,828 INFO L443 ceAbstractionStarter]: For program point L926(lines 926 939) no Hoare annotation was computed. [2019-10-22 11:22:07,829 INFO L439 ceAbstractionStarter]: At program point L629(lines 624 632) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_activatePump_~tmp~7)) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (and (= 1 ULTIMATE.start_main_~tmp~4) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)))) (or (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2 (= 1 ~methaneLevelCritical~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2))) [2019-10-22 11:22:07,829 INFO L439 ceAbstractionStarter]: At program point L629-1(lines 624 632) the Hoare annotation is: false [2019-10-22 11:22:07,829 INFO L439 ceAbstractionStarter]: At program point L629-2(lines 624 632) the Hoare annotation is: (let ((.cse2 (not (= ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5 0))) (.cse11 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse12 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse13 (= ~pumpRunning~0 0)) (.cse14 (not (= 0 ~systemActive~0))) (.cse15 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse3 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse4 (and .cse11 .cse12 .cse13 .cse14 .cse15)) (.cse5 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))) (.cse7 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~8)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse8 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse10 (and .cse2 (and .cse11 .cse12 (<= ~waterLevel~0 1) .cse13 .cse14 .cse15))) (.cse9 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse7) .cse8 .cse9) (and .cse1 .cse6 .cse10) (and .cse8 .cse10 .cse9)))) [2019-10-22 11:22:07,829 INFO L439 ceAbstractionStarter]: At program point L629-3(lines 624 632) the Hoare annotation is: (let ((.cse5 (= 1 ULTIMATE.start_main_~tmp~4)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (not (= 0 ~systemActive~0))) (.cse9 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ULTIMATE.start_activatePump_~tmp~7)) (.cse2 (and .cse5 .cse6 .cse8 .cse9)) (.cse3 (= ~pumpRunning~0 1)) (.cse10 (= 0 ~methaneLevelCritical~0)) (.cse11 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse7 (= ~pumpRunning~0 0))) (or (and .cse0 (and .cse1 .cse2 .cse3) .cse4) (and (and .cse5 .cse6 .cse7 .cse8 .cse9) .cse0 .cse4) (and .cse1 .cse2 (= 0 |ULTIMATE.start_isMethaneAlarm_#res|) .cse10 .cse11 .cse3) (and .cse10 .cse11 (and .cse5 .cse6 (<= ~waterLevel~0 1) .cse7 .cse8 .cse9))))) [2019-10-22 11:22:07,829 INFO L439 ceAbstractionStarter]: At program point L629-4(lines 624 632) the Hoare annotation is: false [2019-10-22 11:22:07,829 INFO L439 ceAbstractionStarter]: At program point L629-5(lines 624 632) the Hoare annotation is: false [2019-10-22 11:22:07,829 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 957) no Hoare annotation was computed. [2019-10-22 11:22:07,829 INFO L439 ceAbstractionStarter]: At program point L629-6(lines 624 632) the Hoare annotation is: false [2019-10-22 11:22:07,830 INFO L439 ceAbstractionStarter]: At program point L629-7(lines 624 632) the Hoare annotation is: false [2019-10-22 11:22:07,830 INFO L439 ceAbstractionStarter]: At program point L629-8(lines 624 632) the Hoare annotation is: false [2019-10-22 11:22:07,830 INFO L439 ceAbstractionStarter]: At program point L629-9(lines 624 632) the Hoare annotation is: false [2019-10-22 11:22:07,830 INFO L439 ceAbstractionStarter]: At program point L629-10(lines 624 632) the Hoare annotation is: false [2019-10-22 11:22:07,830 INFO L439 ceAbstractionStarter]: At program point L629-11(lines 624 632) the Hoare annotation is: false [2019-10-22 11:22:07,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:22:07 BoogieIcfgContainer [2019-10-22 11:22:07,862 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:22:07,863 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:22:07,863 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:22:07,863 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:22:07,864 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:51" (3/4) ... [2019-10-22 11:22:07,867 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:22:07,883 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:22:07,884 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 11:22:07,885 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 11:22:07,885 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:22:07,886 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:22:07,887 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:22:07,913 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-10-22 11:22:07,914 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == tmp && \result == 1) && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-10-22 11:22:07,914 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == tmp && 0 == tmp) && 0 == \result) && 0 == methaneLevelCritical) && 0 == \result) && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1) || ((((((1 == tmp && \result == 1) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methaneLevelCritical)) || (((1 == \result && tmp == 1) && (((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((((1 == tmp && \result == 1) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && 0 == methaneLevelCritical) && 0 == \result)) || (((((0 == tmp && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == \result) && tmp == 1) && pumpRunning == 1) && 1 == methaneLevelCritical) [2019-10-22 11:22:07,914 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methaneLevelCritical && (((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (0 == tmp && ((((0 == tmp && 0 == \result) && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 1) && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((1 == \result && tmp == 1) && (((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((0 == tmp && 1 == \result) && tmp == 1) && pumpRunning == 1) && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-10-22 11:22:07,914 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (0 == methaneLevelCritical && (((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((0 == tmp && 0 == methaneLevelCritical) && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1)) || (((0 == tmp && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1) && 1 == methaneLevelCritical) [2019-10-22 11:22:07,915 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (0 == methaneLevelCritical && (((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((0 == tmp && 0 == methaneLevelCritical) && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1)) || (((0 == tmp && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1) && 1 == methaneLevelCritical) [2019-10-22 11:22:07,915 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (0 == methaneLevelCritical && (((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((0 == tmp && 0 == methaneLevelCritical) && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1)) || (((0 == tmp && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1) && 1 == methaneLevelCritical) [2019-10-22 11:22:07,915 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == tmp && 0 == \result) && 0 == methaneLevelCritical) && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && pumpRunning == 1) || ((((0 == tmp && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == \result) && pumpRunning == 1) && 1 == methaneLevelCritical)) || ((((((1 == tmp && \result == 1) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (0 == methaneLevelCritical && ((((1 == tmp && \result == 1) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((1 == \result && (((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-10-22 11:22:07,916 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == \result && (0 == tmp && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1) && 1 == methaneLevelCritical) || ((((((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical)) || (((((0 == tmp && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 1)) || ((0 == methaneLevelCritical && 0 == \result) && ((((1 == tmp && \result == 1) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-10-22 11:22:07,916 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == tmp && 1 == \result) && pumpRunning == 1) && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((0 == tmp && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 1) && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-10-22 11:22:07,917 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == tmp && 0 == \result) && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 1) && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((0 == tmp && 1 == \result) && pumpRunning == 1) && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-10-22 11:22:07,917 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == tmp && \result == 1) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((\result == 0 && 0 == methaneLevelCritical) && (((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (0 == methaneLevelCritical && ((((1 == tmp && \result == 1) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((\result == 0 && (((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-10-22 11:22:07,917 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 == tmp && (0 == methaneLevelCritical && 0 == \result) && (((((1 == tmp && \result == 1) && waterLevel <= 1) && !(\result == 2)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((0 == tmp && (((0 == tmp && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && 0 == methaneLevelCritical) && pumpRunning == 1) && 0 == \result) [2019-10-22 11:22:07,918 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methaneLevelCritical && ((((1 == tmp && \result == 1) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((1 == tmp && \result == 1) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((\result == 0 && !(0 == \result)) && (((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == tmp___0)) && 0 == tmp) && 1 == methaneLevelCritical)) || (0 == methaneLevelCritical && (((\result == 0 && !(0 == \result)) && (((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == tmp___0)) && 0 == tmp) [2019-10-22 11:22:07,919 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 == tmp && 0 == tmp) && \result == 1) && 0 == tmp) && 0 == \result) && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter [2019-10-22 11:22:07,920 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 0 && 0 == methaneLevelCritical) && !(tmp == 0)) && !(0 == \result)) && (((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == tmp___0)) && 0 == \result) && 0 == tmp) || (((((((\result == 0 && !(tmp == 0)) && !(0 == \result)) && (((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == tmp___0)) && 0 == tmp) && 1 == \result) && 1 == methaneLevelCritical)) || ((0 == methaneLevelCritical && 0 == \result) && !(tmp == 0) && ((((1 == tmp && \result == 1) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((1 == \result && !(tmp == 0) && ((((1 == tmp && \result == 1) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-10-22 11:22:07,921 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == \result && 0 == methaneLevelCritical) && 0 == \result) && !(tmp == 0) && ((((1 == tmp && \result == 1) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((\result == 0 && !(tmp == 0)) && !(0 == \result)) && (((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == tmp___0)) && 0 == tmp) && 1 == \result) && 1 == methaneLevelCritical)) || ((1 == \result && !(tmp == 0) && ((((1 == tmp && \result == 1) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((((\result == 0 && 0 == \result) && 0 == methaneLevelCritical) && !(tmp == 0)) && !(0 == \result)) && (((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == tmp___0)) && 0 == \result) && 0 == tmp) [2019-10-22 11:22:07,982 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_58cad096-a5ba-456e-9dd9-fe6dba53fa59/bin/utaipan/witness.graphml [2019-10-22 11:22:07,983 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:22:07,984 INFO L168 Benchmark]: Toolchain (without parser) took 17574.77 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 628.1 MB). Free memory was 944.7 MB in the beginning and 1.5 GB in the end (delta: -565.5 MB). Peak memory consumption was 62.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:07,984 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:07,984 INFO L168 Benchmark]: CACSL2BoogieTranslator took 531.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -184.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:07,984 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.61 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 11:22:07,985 INFO L168 Benchmark]: Boogie Preprocessor took 51.62 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 11:22:07,985 INFO L168 Benchmark]: RCFGBuilder took 909.01 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 11:22:07,985 INFO L168 Benchmark]: TraceAbstraction took 15893.65 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 487.1 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -488.8 MB). Peak memory consumption was 579.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:07,985 INFO L168 Benchmark]: Witness Printer took 119.86 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:07,987 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 531.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -184.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.61 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 51.62 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 909.01 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 15893.65 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 487.1 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -488.8 MB). Peak memory consumption was 579.8 MB. Max. memory is 11.5 GB. * Witness Printer took 119.86 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 957]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 957]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 957]: 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: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: (0 == tmp && (0 == methaneLevelCritical && 0 == \result) && (((((1 == tmp && \result == 1) && waterLevel <= 1) && !(\result == 2)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((0 == tmp && (((0 == tmp && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && 0 == methaneLevelCritical) && pumpRunning == 1) && 0 == \result) - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: (((((((((\result == 0 && 0 == methaneLevelCritical) && !(tmp == 0)) && !(0 == \result)) && (((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == tmp___0)) && 0 == \result) && 0 == tmp) || (((((((\result == 0 && !(tmp == 0)) && !(0 == \result)) && (((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == tmp___0)) && 0 == tmp) && 1 == \result) && 1 == methaneLevelCritical)) || ((0 == methaneLevelCritical && 0 == \result) && !(tmp == 0) && ((((1 == tmp && \result == 1) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((1 == \result && !(tmp == 0) && ((((1 == tmp && \result == 1) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: ((((1 == \result && (0 == tmp && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1) && 1 == methaneLevelCritical) || ((((((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical)) || (((((0 == tmp && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 1)) || ((0 == methaneLevelCritical && 0 == \result) && ((((1 == tmp && \result == 1) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((0 == tmp && 0 == tmp) && 0 == \result) && 0 == methaneLevelCritical) && 0 == \result) && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1) || ((((((1 == tmp && \result == 1) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methaneLevelCritical)) || (((1 == \result && tmp == 1) && (((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((((1 == tmp && \result == 1) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == tmp) && 0 == methaneLevelCritical) && 0 == \result)) || (((((0 == tmp && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == \result) && tmp == 1) && pumpRunning == 1) && 1 == methaneLevelCritical) - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: ((((1 == tmp && \result == 1) && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: ((((0 == tmp && 1 == \result) && pumpRunning == 1) && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((0 == tmp && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 1) && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: (((((0 == tmp && 0 == \result) && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 1) && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((0 == tmp && 1 == \result) && pumpRunning == 1) && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 665]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 665]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: (((((0 == \result && 0 == methaneLevelCritical) && 0 == \result) && !(tmp == 0) && ((((1 == tmp && \result == 1) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((\result == 0 && !(tmp == 0)) && !(0 == \result)) && (((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == tmp___0)) && 0 == tmp) && 1 == \result) && 1 == methaneLevelCritical)) || ((1 == \result && !(tmp == 0) && ((((1 == tmp && \result == 1) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((((\result == 0 && 0 == \result) && 0 == methaneLevelCritical) && !(tmp == 0)) && !(0 == \result)) && (((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == tmp___0)) && 0 == \result) && 0 == tmp) - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: (((\result == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: (((((((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (0 == methaneLevelCritical && (((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((0 == tmp && 0 == methaneLevelCritical) && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1)) || (((0 == tmp && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1) && 1 == methaneLevelCritical) - InvariantResult [Line: 665]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 665]: Loop Invariant Derived loop invariant: ((((((((1 == tmp && \result == 1) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((\result == 0 && 0 == methaneLevelCritical) && (((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (0 == methaneLevelCritical && ((((1 == tmp && \result == 1) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((\result == 0 && (((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 665]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 665]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: (((((((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (0 == methaneLevelCritical && (((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((0 == tmp && 0 == methaneLevelCritical) && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1)) || (((0 == tmp && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1) && 1 == methaneLevelCritical) - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: ((((((((0 == tmp && 0 == \result) && 0 == methaneLevelCritical) && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == \result) && pumpRunning == 1) || ((((0 == tmp && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == \result) && pumpRunning == 1) && 1 == methaneLevelCritical)) || ((((((1 == tmp && \result == 1) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (0 == methaneLevelCritical && ((((1 == tmp && \result == 1) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((1 == \result && (((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && (((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (0 == tmp && ((((0 == tmp && 0 == \result) && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 1) && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((1 == \result && tmp == 1) && (((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((0 == tmp && 1 == \result) && tmp == 1) && pumpRunning == 1) && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && ((((1 == tmp && \result == 1) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((((1 == tmp && \result == 1) && waterLevel <= 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((\result == 0 && !(0 == \result)) && (((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == tmp___0)) && 0 == tmp) && 1 == methaneLevelCritical)) || (0 == methaneLevelCritical && (((\result == 0 && !(0 == \result)) && (((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && !(0 == tmp___0)) && 0 == tmp) - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: (((((((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (0 == methaneLevelCritical && (((1 == tmp && \result == 1) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || (((0 == tmp && 0 == methaneLevelCritical) && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1)) || (((0 == tmp && ((1 == tmp && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter) && pumpRunning == 1) && 1 == methaneLevelCritical) - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: (((((((((1 == tmp && 0 == tmp) && \result == 1) && 0 == tmp) && 0 == \result) && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 1) && \result == 1) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Result: SAFE, OverallTime: 15.8s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.8s, HoareTripleCheckerStatistics: 1583 SDtfs, 2595 SDslu, 2857 SDs, 0 SdLazy, 471 SolverSat, 89 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=372occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 2412 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 58 PreInvPairs, 281 NumberOfFragments, 1615 HoareAnnotationTreeSize, 58 FomulaSimplifications, 7899188 FormulaSimplificationTreeSizeReduction, 4.0s HoareSimplificationTime, 58 FomulaSimplificationsInter, 2374646 FormulaSimplificationTreeSizeReductionInter, 8.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 437 NumberOfCodeBlocks, 437 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 424 ConstructedInterpolants, 0 QuantifiedInterpolants, 31542 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 30/30 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...