./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product62.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_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product62.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/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 ce17648ffa5822f201dca35a60378555aafbd885 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product62.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/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 ce17648ffa5822f201dca35a60378555aafbd885 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:22:28,372 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:22:28,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:22:28,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:22:28,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:22:28,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:22:28,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:22:28,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:22:28,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:22:28,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:22:28,390 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:22:28,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:22:28,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:22:28,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:22:28,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:22:28,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:22:28,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:22:28,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:22:28,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:22:28,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:22:28,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:22:28,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:22:28,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:22:28,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:22:28,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:22:28,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:22:28,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:22:28,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:22:28,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:22:28,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:22:28,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:22:28,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:22:28,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:22:28,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:22:28,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:22:28,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:22:28,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:22:28,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:22:28,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:22:28,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:22:28,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:22:28,418 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:22:28,430 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:22:28,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:22:28,431 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:22:28,431 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:22:28,431 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:22:28,431 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:22:28,431 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:22:28,431 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:22:28,432 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:22:28,432 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:22:28,432 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:22:28,432 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:22:28,433 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:22:28,433 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:22:28,433 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:22:28,433 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:22:28,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:22:28,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:22:28,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:22:28,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:22:28,434 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:22:28,434 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:22:28,434 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:22:28,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:22:28,435 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:22:28,435 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:22:28,435 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:22:28,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:28,435 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:22:28,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:22:28,436 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:22:28,436 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:22:28,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:22:28,436 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:22:28,436 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:22:28,436 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_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/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 -> ce17648ffa5822f201dca35a60378555aafbd885 [2019-10-22 11:22:28,459 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:22:28,469 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:22:28,472 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:22:28,473 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:22:28,474 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:22:28,475 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product62.cil.c [2019-10-22 11:22:28,524 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/data/bd64ea876/900260abc00548b5b4a9f3474c20b702/FLAG20f2c8b13 [2019-10-22 11:22:28,968 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:22:28,969 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/sv-benchmarks/c/product-lines/minepump_spec4_product62.cil.c [2019-10-22 11:22:28,981 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/data/bd64ea876/900260abc00548b5b4a9f3474c20b702/FLAG20f2c8b13 [2019-10-22 11:22:29,314 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/data/bd64ea876/900260abc00548b5b4a9f3474c20b702 [2019-10-22 11:22:29,316 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:22:29,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:22:29,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:29,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:22:29,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:22:29,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:29" (1/1) ... [2019-10-22 11:22:29,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18b3baec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:29, skipping insertion in model container [2019-10-22 11:22:29,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:29" (1/1) ... [2019-10-22 11:22:29,331 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:22:29,378 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:22:29,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:29,806 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:22:29,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:29,914 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:22:29,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:29 WrapperNode [2019-10-22 11:22:29,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:29,914 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:29,915 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:22:29,915 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:22:29,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:29" (1/1) ... [2019-10-22 11:22:29,944 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:29" (1/1) ... [2019-10-22 11:22:29,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:29,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:22:29,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:22:29,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:22:30,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:29" (1/1) ... [2019-10-22 11:22:30,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:29" (1/1) ... [2019-10-22 11:22:30,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:29" (1/1) ... [2019-10-22 11:22:30,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:29" (1/1) ... [2019-10-22 11:22:30,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:29" (1/1) ... [2019-10-22 11:22:30,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:29" (1/1) ... [2019-10-22 11:22:30,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:29" (1/1) ... [2019-10-22 11:22:30,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:22:30,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:22:30,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:22:30,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:22:30,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:30,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:22:30,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:22:30,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:22:30,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:22:31,020 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:22:31,021 INFO L284 CfgBuilder]: Removed 350 assume(true) statements. [2019-10-22 11:22:31,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:31 BoogieIcfgContainer [2019-10-22 11:22:31,022 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:22:31,023 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:22:31,023 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:22:31,026 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:22:31,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:22:29" (1/3) ... [2019-10-22 11:22:31,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ef260dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:31, skipping insertion in model container [2019-10-22 11:22:31,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:29" (2/3) ... [2019-10-22 11:22:31,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ef260dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:31, skipping insertion in model container [2019-10-22 11:22:31,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:31" (3/3) ... [2019-10-22 11:22:31,032 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product62.cil.c [2019-10-22 11:22:31,043 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:22:31,053 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:22:31,064 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:22:31,099 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:22:31,099 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:22:31,099 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:22:31,099 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:22:31,099 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:22:31,099 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:22:31,100 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:22:31,100 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:22:31,124 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states. [2019-10-22 11:22:31,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:22:31,131 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:31,132 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:31,133 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:31,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:31,139 INFO L82 PathProgramCache]: Analyzing trace with hash -2100816283, now seen corresponding path program 1 times [2019-10-22 11:22:31,147 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:31,147 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333811120] [2019-10-22 11:22:31,147 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:31,147 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:31,147 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:31,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:31,385 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333811120] [2019-10-22 11:22:31,386 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:31,387 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:22:31,387 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639316102] [2019-10-22 11:22:31,392 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:22:31,394 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:31,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:22:31,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:22:31,409 INFO L87 Difference]: Start difference. First operand 225 states. Second operand 2 states. [2019-10-22 11:22:31,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:31,451 INFO L93 Difference]: Finished difference Result 444 states and 665 transitions. [2019-10-22 11:22:31,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:22:31,453 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:22:31,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:31,464 INFO L225 Difference]: With dead ends: 444 [2019-10-22 11:22:31,465 INFO L226 Difference]: Without dead ends: 221 [2019-10-22 11:22:31,469 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:22:31,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2019-10-22 11:22:31,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2019-10-22 11:22:31,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2019-10-22 11:22:31,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 324 transitions. [2019-10-22 11:22:31,527 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 324 transitions. Word has length 16 [2019-10-22 11:22:31,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:31,527 INFO L462 AbstractCegarLoop]: Abstraction has 221 states and 324 transitions. [2019-10-22 11:22:31,528 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:22:31,528 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 324 transitions. [2019-10-22 11:22:31,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:22:31,528 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:31,529 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:31,529 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:31,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:31,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1936571950, now seen corresponding path program 1 times [2019-10-22 11:22:31,529 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:31,530 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153005428] [2019-10-22 11:22:31,530 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:31,530 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:31,530 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:31,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:31,647 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153005428] [2019-10-22 11:22:31,647 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:31,647 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:22:31,647 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436557380] [2019-10-22 11:22:31,648 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:31,649 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:31,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:31,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:31,649 INFO L87 Difference]: Start difference. First operand 221 states and 324 transitions. Second operand 3 states. [2019-10-22 11:22:31,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:31,682 INFO L93 Difference]: Finished difference Result 221 states and 324 transitions. [2019-10-22 11:22:31,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:31,683 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 11:22:31,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:31,683 INFO L225 Difference]: With dead ends: 221 [2019-10-22 11:22:31,684 INFO L226 Difference]: Without dead ends: 83 [2019-10-22 11:22:31,685 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:31,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-10-22 11:22:31,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2019-10-22 11:22:31,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-10-22 11:22:31,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 121 transitions. [2019-10-22 11:22:31,699 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 121 transitions. Word has length 17 [2019-10-22 11:22:31,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:31,699 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 121 transitions. [2019-10-22 11:22:31,699 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:31,700 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 121 transitions. [2019-10-22 11:22:31,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:22:31,700 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:31,700 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:31,701 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:31,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:31,701 INFO L82 PathProgramCache]: Analyzing trace with hash 810617826, now seen corresponding path program 1 times [2019-10-22 11:22:31,701 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:31,701 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304857674] [2019-10-22 11:22:31,701 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:31,702 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:31,702 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:31,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:31,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:31,787 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304857674] [2019-10-22 11:22:31,787 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:31,787 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:22:31,787 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555988982] [2019-10-22 11:22:31,788 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:31,788 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:31,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:31,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:31,789 INFO L87 Difference]: Start difference. First operand 83 states and 121 transitions. Second operand 3 states. [2019-10-22 11:22:31,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:31,826 INFO L93 Difference]: Finished difference Result 160 states and 236 transitions. [2019-10-22 11:22:31,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:31,829 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-10-22 11:22:31,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:31,830 INFO L225 Difference]: With dead ends: 160 [2019-10-22 11:22:31,830 INFO L226 Difference]: Without dead ends: 83 [2019-10-22 11:22:31,831 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:31,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-10-22 11:22:31,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2019-10-22 11:22:31,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-10-22 11:22:31,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 120 transitions. [2019-10-22 11:22:31,844 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 120 transitions. Word has length 22 [2019-10-22 11:22:31,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:31,844 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 120 transitions. [2019-10-22 11:22:31,844 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:31,845 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 120 transitions. [2019-10-22 11:22:31,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:22:31,845 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:31,845 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] [2019-10-22 11:22:31,846 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:31,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:31,846 INFO L82 PathProgramCache]: Analyzing trace with hash 442460312, now seen corresponding path program 1 times [2019-10-22 11:22:31,846 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:31,847 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754715806] [2019-10-22 11:22:31,847 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:31,847 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:31,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:31,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:31,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:31,903 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754715806] [2019-10-22 11:22:31,903 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:31,903 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:22:31,903 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247510606] [2019-10-22 11:22:31,904 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:31,904 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:31,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:31,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:31,905 INFO L87 Difference]: Start difference. First operand 83 states and 120 transitions. Second operand 3 states. [2019-10-22 11:22:31,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:31,945 INFO L93 Difference]: Finished difference Result 166 states and 242 transitions. [2019-10-22 11:22:31,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:31,946 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-10-22 11:22:31,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:31,946 INFO L225 Difference]: With dead ends: 166 [2019-10-22 11:22:31,947 INFO L226 Difference]: Without dead ends: 89 [2019-10-22 11:22:31,947 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:31,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2019-10-22 11:22:31,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2019-10-22 11:22:31,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-10-22 11:22:31,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 122 transitions. [2019-10-22 11:22:31,955 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 122 transitions. Word has length 25 [2019-10-22 11:22:31,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:31,955 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 122 transitions. [2019-10-22 11:22:31,955 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:31,955 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2019-10-22 11:22:31,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-22 11:22:31,956 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:31,956 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] [2019-10-22 11:22:31,956 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:31,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:31,957 INFO L82 PathProgramCache]: Analyzing trace with hash -1878336052, now seen corresponding path program 1 times [2019-10-22 11:22:31,957 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:31,957 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64554412] [2019-10-22 11:22:31,957 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:31,957 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:31,958 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:32,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:32,027 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64554412] [2019-10-22 11:22:32,027 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:32,027 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:22:32,027 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901754352] [2019-10-22 11:22:32,028 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 11:22:32,028 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:32,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 11:22:32,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:22:32,029 INFO L87 Difference]: Start difference. First operand 87 states and 122 transitions. Second operand 7 states. [2019-10-22 11:22:32,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:32,353 INFO L93 Difference]: Finished difference Result 568 states and 818 transitions. [2019-10-22 11:22:32,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 11:22:32,354 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2019-10-22 11:22:32,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:32,356 INFO L225 Difference]: With dead ends: 568 [2019-10-22 11:22:32,356 INFO L226 Difference]: Without dead ends: 487 [2019-10-22 11:22:32,357 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2019-10-22 11:22:32,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2019-10-22 11:22:32,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 204. [2019-10-22 11:22:32,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2019-10-22 11:22:32,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 283 transitions. [2019-10-22 11:22:32,403 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 283 transitions. Word has length 31 [2019-10-22 11:22:32,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:32,404 INFO L462 AbstractCegarLoop]: Abstraction has 204 states and 283 transitions. [2019-10-22 11:22:32,404 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 11:22:32,404 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 283 transitions. [2019-10-22 11:22:32,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-22 11:22:32,406 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:32,406 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-22 11:22:32,408 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:32,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:32,408 INFO L82 PathProgramCache]: Analyzing trace with hash 46891967, now seen corresponding path program 1 times [2019-10-22 11:22:32,408 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:32,409 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829465148] [2019-10-22 11:22:32,409 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:32,409 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:32,409 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:32,511 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 11:22:32,511 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829465148] [2019-10-22 11:22:32,512 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:32,512 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:22:32,512 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355288097] [2019-10-22 11:22:32,513 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:32,513 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:32,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:32,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:32,513 INFO L87 Difference]: Start difference. First operand 204 states and 283 transitions. Second operand 5 states. [2019-10-22 11:22:32,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:32,646 INFO L93 Difference]: Finished difference Result 540 states and 739 transitions. [2019-10-22 11:22:32,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:22:32,650 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2019-10-22 11:22:32,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:32,651 INFO L225 Difference]: With dead ends: 540 [2019-10-22 11:22:32,652 INFO L226 Difference]: Without dead ends: 342 [2019-10-22 11:22:32,652 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:22:32,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2019-10-22 11:22:32,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 225. [2019-10-22 11:22:32,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2019-10-22 11:22:32,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 304 transitions. [2019-10-22 11:22:32,673 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 304 transitions. Word has length 52 [2019-10-22 11:22:32,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:32,674 INFO L462 AbstractCegarLoop]: Abstraction has 225 states and 304 transitions. [2019-10-22 11:22:32,674 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:32,674 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 304 transitions. [2019-10-22 11:22:32,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-22 11:22:32,677 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:32,677 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-22 11:22:32,677 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:32,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:32,678 INFO L82 PathProgramCache]: Analyzing trace with hash 748491841, now seen corresponding path program 1 times [2019-10-22 11:22:32,678 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:32,678 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103487485] [2019-10-22 11:22:32,678 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:32,679 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:32,679 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:32,741 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 11:22:32,741 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103487485] [2019-10-22 11:22:32,742 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:32,742 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:22:32,742 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813089262] [2019-10-22 11:22:32,742 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:22:32,742 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:32,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:22:32,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:22:32,743 INFO L87 Difference]: Start difference. First operand 225 states and 304 transitions. Second operand 4 states. [2019-10-22 11:22:32,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:32,797 INFO L93 Difference]: Finished difference Result 476 states and 640 transitions. [2019-10-22 11:22:32,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:22:32,798 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2019-10-22 11:22:32,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:32,799 INFO L225 Difference]: With dead ends: 476 [2019-10-22 11:22:32,799 INFO L226 Difference]: Without dead ends: 257 [2019-10-22 11:22:32,800 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:32,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2019-10-22 11:22:32,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 191. [2019-10-22 11:22:32,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2019-10-22 11:22:32,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 252 transitions. [2019-10-22 11:22:32,815 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 252 transitions. Word has length 52 [2019-10-22 11:22:32,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:32,815 INFO L462 AbstractCegarLoop]: Abstraction has 191 states and 252 transitions. [2019-10-22 11:22:32,816 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:22:32,816 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 252 transitions. [2019-10-22 11:22:32,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-22 11:22:32,817 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:32,817 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] [2019-10-22 11:22:32,817 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:32,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:32,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1947303487, now seen corresponding path program 1 times [2019-10-22 11:22:32,817 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:32,818 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738855825] [2019-10-22 11:22:32,818 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:32,818 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:32,818 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:32,898 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:22:32,898 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738855825] [2019-10-22 11:22:32,898 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:32,899 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:22:32,899 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956072134] [2019-10-22 11:22:32,899 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:32,899 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:32,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:32,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:32,900 INFO L87 Difference]: Start difference. First operand 191 states and 252 transitions. Second operand 5 states. [2019-10-22 11:22:33,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:33,067 INFO L93 Difference]: Finished difference Result 516 states and 687 transitions. [2019-10-22 11:22:33,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:22:33,067 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2019-10-22 11:22:33,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:33,069 INFO L225 Difference]: With dead ends: 516 [2019-10-22 11:22:33,070 INFO L226 Difference]: Without dead ends: 514 [2019-10-22 11:22:33,070 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:22:33,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2019-10-22 11:22:33,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 191. [2019-10-22 11:22:33,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2019-10-22 11:22:33,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 251 transitions. [2019-10-22 11:22:33,090 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 251 transitions. Word has length 53 [2019-10-22 11:22:33,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:33,092 INFO L462 AbstractCegarLoop]: Abstraction has 191 states and 251 transitions. [2019-10-22 11:22:33,092 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:33,092 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 251 transitions. [2019-10-22 11:22:33,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-22 11:22:33,093 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:33,093 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, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:33,093 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:33,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:33,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1553978118, now seen corresponding path program 1 times [2019-10-22 11:22:33,094 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:33,094 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676556143] [2019-10-22 11:22:33,094 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:33,094 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:33,094 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:33,179 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:33,179 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676556143] [2019-10-22 11:22:33,179 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924330544] [2019-10-22 11:22:33,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:22:33,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:33,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 11:22:33,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:33,354 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:33,354 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:33,384 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:33,384 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [32819410] [2019-10-22 11:22:33,390 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 61 [2019-10-22 11:22:33,432 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2019-10-22 11:22:33,433 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-22 11:22:33,838 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:22:33,839 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: inappropriate decl info IMPLEMENTATION at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Boogie2SmtSymbolTable.getBoogieVar(Boogie2SmtSymbolTable.java:222) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.getBoogieVar(NonrelationalStatementProcessor.java:348) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.handleHavocStatement(NonrelationalStatementProcessor.java:325) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.processStatement(NonrelationalStatementProcessor.java:159) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:138) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:107) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:422) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:413) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:140) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.applyInternally(CompoundDomainPostOperator.java:306) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:131) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormanCachedPostOperation.restoreOriginalStateVariables(PoormanCachedPostOperation.java:322) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.applyPost(PoormansAbstractPostOperator.java:217) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:120) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.lambda$17(DisjunctiveAbstractState.java:323) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.mapCollection(DisjunctiveAbstractState.java:519) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.apply(DisjunctiveAbstractState.java:323) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateAbstractPost(FixpointEngine.java:249) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateFixpoint(FixpointEngine.java:134) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.run(FixpointEngine.java:105) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.tool.AbstractInterpreter.runWithoutTimeoutAndResults(AbstractInterpreter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.generateFixpoints(CegarAbsIntRunner.java:227) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.(CegarAbsIntRunner.java:158) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleAbstractInterpretation.getOrConstructRunner(IpTcStrategyModuleAbstractInterpretation.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleAbstractInterpretation.construct(IpTcStrategyModuleAbstractInterpretation.java:81) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 11:22:33,846 INFO L168 Benchmark]: Toolchain (without parser) took 4527.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 936.9 MB in the beginning and 933.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 140.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:33,846 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 957.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:33,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 596.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -187.4 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:33,847 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:33,848 INFO L168 Benchmark]: Boogie Preprocessor took 66.43 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 11:22:33,848 INFO L168 Benchmark]: RCFGBuilder took 959.46 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: 89.9 MB). Peak memory consumption was 89.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:33,848 INFO L168 Benchmark]: TraceAbstraction took 2820.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 933.8 MB in the end (delta: 81.7 MB). Peak memory consumption was 81.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:33,851 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 957.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 596.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -187.4 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 81.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.43 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 959.46 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: 89.9 MB). Peak memory consumption was 89.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2820.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 933.8 MB in the end (delta: 81.7 MB). Peak memory consumption was 81.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: inappropriate decl info IMPLEMENTATION de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: inappropriate decl info IMPLEMENTATION: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Boogie2SmtSymbolTable.getBoogieVar(Boogie2SmtSymbolTable.java:222) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 11:22:35,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:22:35,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:22:35,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:22:35,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:22:35,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:22:35,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:22:35,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:22:35,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:22:35,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:22:35,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:22:35,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:22:35,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:22:35,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:22:35,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:22:35,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:22:35,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:22:35,889 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:22:35,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:22:35,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:22:35,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:22:35,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:22:35,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:22:35,896 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:22:35,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:22:35,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:22:35,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:22:35,899 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:22:35,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:22:35,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:22:35,901 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:22:35,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:22:35,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:22:35,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:22:35,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:22:35,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:22:35,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:22:35,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:22:35,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:22:35,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:22:35,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:22:35,907 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:22:35,927 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:22:35,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:22:35,932 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:22:35,932 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:22:35,932 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:22:35,932 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:22:35,933 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:22:35,933 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:22:35,933 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:22:35,933 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:22:35,934 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:22:35,934 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:22:35,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:22:35,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:22:35,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:22:35,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:22:35,935 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:22:35,935 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:22:35,936 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:22:35,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:22:35,936 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:22:35,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:22:35,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:22:35,936 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:22:35,937 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:22:35,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:22:35,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:35,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:22:35,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:22:35,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:22:35,937 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:22:35,938 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:22:35,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:22:35,938 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:22:35,938 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/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 -> ce17648ffa5822f201dca35a60378555aafbd885 [2019-10-22 11:22:35,976 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:22:35,989 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:22:35,995 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:22:35,996 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:22:35,998 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:22:35,999 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product62.cil.c [2019-10-22 11:22:36,048 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/data/9a38b411b/c268caf8eaed4e608d9bf8c1c9b08414/FLAG00eb16048 [2019-10-22 11:22:36,524 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:22:36,524 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/sv-benchmarks/c/product-lines/minepump_spec4_product62.cil.c [2019-10-22 11:22:36,547 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/data/9a38b411b/c268caf8eaed4e608d9bf8c1c9b08414/FLAG00eb16048 [2019-10-22 11:22:36,559 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/data/9a38b411b/c268caf8eaed4e608d9bf8c1c9b08414 [2019-10-22 11:22:36,562 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:22:36,563 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:22:36,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:36,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:22:36,568 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:22:36,569 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:36" (1/1) ... [2019-10-22 11:22:36,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b447d38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:36, skipping insertion in model container [2019-10-22 11:22:36,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:36" (1/1) ... [2019-10-22 11:22:36,578 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:22:36,618 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:22:36,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:36,969 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:22:37,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:37,125 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:22:37,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:37 WrapperNode [2019-10-22 11:22:37,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:37,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:37,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:22:37,126 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:22:37,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:37" (1/1) ... [2019-10-22 11:22:37,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:37" (1/1) ... [2019-10-22 11:22:37,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:37,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:22:37,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:22:37,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:22:37,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:37" (1/1) ... [2019-10-22 11:22:37,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:37" (1/1) ... [2019-10-22 11:22:37,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:37" (1/1) ... [2019-10-22 11:22:37,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:37" (1/1) ... [2019-10-22 11:22:37,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:37" (1/1) ... [2019-10-22 11:22:37,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:37" (1/1) ... [2019-10-22 11:22:37,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:37" (1/1) ... [2019-10-22 11:22:37,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:22:37,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:22:37,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:22:37,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:22:37,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:22:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-10-22 11:22:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:22:37,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:22:38,600 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:22:38,600 INFO L284 CfgBuilder]: Removed 350 assume(true) statements. [2019-10-22 11:22:38,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:38 BoogieIcfgContainer [2019-10-22 11:22:38,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:22:38,603 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:22:38,603 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:22:38,606 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:22:38,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:22:36" (1/3) ... [2019-10-22 11:22:38,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a56f6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:38, skipping insertion in model container [2019-10-22 11:22:38,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:37" (2/3) ... [2019-10-22 11:22:38,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a56f6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:38, skipping insertion in model container [2019-10-22 11:22:38,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:38" (3/3) ... [2019-10-22 11:22:38,612 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product62.cil.c [2019-10-22 11:22:38,622 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:22:38,628 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:22:38,638 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:22:38,666 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:22:38,666 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:22:38,666 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:22:38,666 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:22:38,667 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:22:38,667 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:22:38,668 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:22:38,668 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:22:38,687 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states. [2019-10-22 11:22:38,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:22:38,694 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:38,695 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:38,698 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:38,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:38,703 INFO L82 PathProgramCache]: Analyzing trace with hash -2100816283, now seen corresponding path program 1 times [2019-10-22 11:22:38,712 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:22:38,712 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1791214666] [2019-10-22 11:22:38,713 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:38,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2019-10-22 11:22:38,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:38,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:38,913 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:38,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:38,919 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1791214666] [2019-10-22 11:22:38,920 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:38,920 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-10-22 11:22:38,920 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569669393] [2019-10-22 11:22:38,925 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:22:38,925 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:22:38,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:22:38,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:22:38,943 INFO L87 Difference]: Start difference. First operand 225 states. Second operand 2 states. [2019-10-22 11:22:38,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:38,993 INFO L93 Difference]: Finished difference Result 444 states and 665 transitions. [2019-10-22 11:22:38,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:22:38,995 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:22:38,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:39,009 INFO L225 Difference]: With dead ends: 444 [2019-10-22 11:22:39,009 INFO L226 Difference]: Without dead ends: 221 [2019-10-22 11:22:39,014 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:22:39,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2019-10-22 11:22:39,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2019-10-22 11:22:39,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2019-10-22 11:22:39,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 324 transitions. [2019-10-22 11:22:39,077 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 324 transitions. Word has length 16 [2019-10-22 11:22:39,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:39,078 INFO L462 AbstractCegarLoop]: Abstraction has 221 states and 324 transitions. [2019-10-22 11:22:39,078 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:22:39,078 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 324 transitions. [2019-10-22 11:22:39,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:22:39,079 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:39,079 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:39,280 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:39,281 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:39,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:39,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1936571950, now seen corresponding path program 1 times [2019-10-22 11:22:39,282 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:22:39,282 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1250347682] [2019-10-22 11:22:39,282 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:39,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:22:39,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:39,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:39,493 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:39,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:39,509 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1250347682] [2019-10-22 11:22:39,510 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:39,510 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-10-22 11:22:39,510 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23678860] [2019-10-22 11:22:39,511 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:22:39,512 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:22:39,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:22:39,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:22:39,513 INFO L87 Difference]: Start difference. First operand 221 states and 324 transitions. Second operand 4 states. [2019-10-22 11:22:39,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:39,607 INFO L93 Difference]: Finished difference Result 436 states and 642 transitions. [2019-10-22 11:22:39,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:39,608 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-10-22 11:22:39,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:39,609 INFO L225 Difference]: With dead ends: 436 [2019-10-22 11:22:39,609 INFO L226 Difference]: Without dead ends: 221 [2019-10-22 11:22:39,611 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:22:39,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2019-10-22 11:22:39,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2019-10-22 11:22:39,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2019-10-22 11:22:39,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 321 transitions. [2019-10-22 11:22:39,648 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 321 transitions. Word has length 17 [2019-10-22 11:22:39,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:39,648 INFO L462 AbstractCegarLoop]: Abstraction has 221 states and 321 transitions. [2019-10-22 11:22:39,648 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:22:39,649 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 321 transitions. [2019-10-22 11:22:39,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 11:22:39,649 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:39,650 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] [2019-10-22 11:22:39,852 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:39,853 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:39,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:39,853 INFO L82 PathProgramCache]: Analyzing trace with hash -486047226, now seen corresponding path program 1 times [2019-10-22 11:22:39,854 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:22:39,854 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [879219739] [2019-10-22 11:22:39,854 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:40,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:22:40,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:40,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:40,020 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:40,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:40,023 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [879219739] [2019-10-22 11:22:40,023 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:40,023 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-10-22 11:22:40,023 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699093735] [2019-10-22 11:22:40,024 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:40,024 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:22:40,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:40,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:40,024 INFO L87 Difference]: Start difference. First operand 221 states and 321 transitions. Second operand 3 states. [2019-10-22 11:22:40,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:40,189 INFO L93 Difference]: Finished difference Result 438 states and 633 transitions. [2019-10-22 11:22:40,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:40,190 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-10-22 11:22:40,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:40,191 INFO L225 Difference]: With dead ends: 438 [2019-10-22 11:22:40,191 INFO L226 Difference]: Without dead ends: 223 [2019-10-22 11:22:40,192 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:40,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2019-10-22 11:22:40,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 217. [2019-10-22 11:22:40,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2019-10-22 11:22:40,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 300 transitions. [2019-10-22 11:22:40,211 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 300 transitions. Word has length 20 [2019-10-22 11:22:40,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:40,211 INFO L462 AbstractCegarLoop]: Abstraction has 217 states and 300 transitions. [2019-10-22 11:22:40,212 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:40,212 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 300 transitions. [2019-10-22 11:22:40,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 11:22:40,213 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:40,213 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:40,413 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:40,414 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:40,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:40,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1773684730, now seen corresponding path program 1 times [2019-10-22 11:22:40,415 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:22:40,415 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1026259861] [2019-10-22 11:22:40,415 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:40,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 11:22:40,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:40,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:40,572 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:40,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:40,602 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1026259861] [2019-10-22 11:22:40,602 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:40,602 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-10-22 11:22:40,602 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785862945] [2019-10-22 11:22:40,603 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 11:22:40,603 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:22:40,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 11:22:40,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:22:40,603 INFO L87 Difference]: Start difference. First operand 217 states and 300 transitions. Second operand 8 states. [2019-10-22 11:22:41,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:41,315 INFO L93 Difference]: Finished difference Result 1566 states and 2195 transitions. [2019-10-22 11:22:41,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-22 11:22:41,315 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2019-10-22 11:22:41,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:41,320 INFO L225 Difference]: With dead ends: 1566 [2019-10-22 11:22:41,320 INFO L226 Difference]: Without dead ends: 1355 [2019-10-22 11:22:41,321 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-10-22 11:22:41,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1355 states. [2019-10-22 11:22:41,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1355 to 508. [2019-10-22 11:22:41,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 508 states. [2019-10-22 11:22:41,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 687 transitions. [2019-10-22 11:22:41,388 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 687 transitions. Word has length 26 [2019-10-22 11:22:41,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:41,388 INFO L462 AbstractCegarLoop]: Abstraction has 508 states and 687 transitions. [2019-10-22 11:22:41,388 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 11:22:41,388 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 687 transitions. [2019-10-22 11:22:41,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 11:22:41,391 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:41,391 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, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:41,592 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:41,592 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:41,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:41,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1841903598, now seen corresponding path program 1 times [2019-10-22 11:22:41,593 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:22:41,593 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1335534613] [2019-10-22 11:22:41,593 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:41,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:41,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:22:41,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:41,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:41,757 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:41,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:41,761 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1335534613] [2019-10-22 11:22:41,762 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:41,762 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-10-22 11:22:41,762 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826527637] [2019-10-22 11:22:41,762 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:41,763 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:22:41,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:41,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:41,763 INFO L87 Difference]: Start difference. First operand 508 states and 687 transitions. Second operand 5 states. [2019-10-22 11:22:42,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:42,002 INFO L93 Difference]: Finished difference Result 1332 states and 1755 transitions. [2019-10-22 11:22:42,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:22:42,003 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2019-10-22 11:22:42,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:42,005 INFO L225 Difference]: With dead ends: 1332 [2019-10-22 11:22:42,006 INFO L226 Difference]: Without dead ends: 830 [2019-10-22 11:22:42,007 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:22:42,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2019-10-22 11:22:42,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 571. [2019-10-22 11:22:42,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2019-10-22 11:22:42,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 750 transitions. [2019-10-22 11:22:42,047 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 750 transitions. Word has length 43 [2019-10-22 11:22:42,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:42,047 INFO L462 AbstractCegarLoop]: Abstraction has 571 states and 750 transitions. [2019-10-22 11:22:42,047 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:42,047 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 750 transitions. [2019-10-22 11:22:42,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 11:22:42,049 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:42,049 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, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:42,249 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:42,250 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:42,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:42,250 INFO L82 PathProgramCache]: Analyzing trace with hash -529835664, now seen corresponding path program 1 times [2019-10-22 11:22:42,251 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:22:42,251 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [969092545] [2019-10-22 11:22:42,251 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:42,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:42,398 INFO L256 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:22:42,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:42,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:42,419 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:42,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:42,434 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [969092545] [2019-10-22 11:22:42,434 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:42,434 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-10-22 11:22:42,434 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038701173] [2019-10-22 11:22:42,435 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:22:42,435 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:22:42,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:22:42,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:22:42,435 INFO L87 Difference]: Start difference. First operand 571 states and 750 transitions. Second operand 6 states. [2019-10-22 11:22:42,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:42,635 INFO L93 Difference]: Finished difference Result 1244 states and 1611 transitions. [2019-10-22 11:22:42,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:22:42,636 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2019-10-22 11:22:42,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:42,638 INFO L225 Difference]: With dead ends: 1244 [2019-10-22 11:22:42,638 INFO L226 Difference]: Without dead ends: 639 [2019-10-22 11:22:42,639 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:22:42,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2019-10-22 11:22:42,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 451. [2019-10-22 11:22:42,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2019-10-22 11:22:42,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 584 transitions. [2019-10-22 11:22:42,672 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 584 transitions. Word has length 43 [2019-10-22 11:22:42,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:42,672 INFO L462 AbstractCegarLoop]: Abstraction has 451 states and 584 transitions. [2019-10-22 11:22:42,672 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:22:42,672 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 584 transitions. [2019-10-22 11:22:42,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-22 11:22:42,673 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:42,674 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:42,874 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:42,874 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:42,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:42,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1247648613, now seen corresponding path program 1 times [2019-10-22 11:22:42,875 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:22:42,875 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1955187619] [2019-10-22 11:22:42,875 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:43,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:22:43,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:43,012 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:43,013 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:43,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:43,017 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1955187619] [2019-10-22 11:22:43,017 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:43,018 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-10-22 11:22:43,018 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925408831] [2019-10-22 11:22:43,018 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:43,018 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:22:43,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:43,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:43,019 INFO L87 Difference]: Start difference. First operand 451 states and 584 transitions. Second operand 3 states. [2019-10-22 11:22:43,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:43,036 INFO L93 Difference]: Finished difference Result 451 states and 584 transitions. [2019-10-22 11:22:43,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:43,037 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2019-10-22 11:22:43,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:43,038 INFO L225 Difference]: With dead ends: 451 [2019-10-22 11:22:43,038 INFO L226 Difference]: Without dead ends: 191 [2019-10-22 11:22:43,039 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:43,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2019-10-22 11:22:43,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2019-10-22 11:22:43,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2019-10-22 11:22:43,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 252 transitions. [2019-10-22 11:22:43,053 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 252 transitions. Word has length 48 [2019-10-22 11:22:43,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:43,054 INFO L462 AbstractCegarLoop]: Abstraction has 191 states and 252 transitions. [2019-10-22 11:22:43,054 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:43,054 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 252 transitions. [2019-10-22 11:22:43,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-22 11:22:43,056 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:43,056 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] [2019-10-22 11:22:43,257 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:43,258 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:43,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:43,258 INFO L82 PathProgramCache]: Analyzing trace with hash -1947303487, now seen corresponding path program 1 times [2019-10-22 11:22:43,258 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:22:43,258 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [720331340] [2019-10-22 11:22:43,259 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:43,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:43,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-22 11:22:43,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:43,425 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:22:43,425 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:43,434 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:22:43,435 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [720331340] [2019-10-22 11:22:43,435 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:43,435 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-10-22 11:22:43,435 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625668709] [2019-10-22 11:22:43,435 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:22:43,436 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:22:43,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:22:43,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:22:43,436 INFO L87 Difference]: Start difference. First operand 191 states and 252 transitions. Second operand 6 states. [2019-10-22 11:22:43,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:43,647 INFO L93 Difference]: Finished difference Result 871 states and 1182 transitions. [2019-10-22 11:22:43,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 11:22:43,648 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2019-10-22 11:22:43,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:43,650 INFO L225 Difference]: With dead ends: 871 [2019-10-22 11:22:43,650 INFO L226 Difference]: Without dead ends: 686 [2019-10-22 11:22:43,650 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2019-10-22 11:22:43,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2019-10-22 11:22:43,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 374. [2019-10-22 11:22:43,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2019-10-22 11:22:43,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 490 transitions. [2019-10-22 11:22:43,682 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 490 transitions. Word has length 53 [2019-10-22 11:22:43,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:43,683 INFO L462 AbstractCegarLoop]: Abstraction has 374 states and 490 transitions. [2019-10-22 11:22:43,683 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:22:43,683 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 490 transitions. [2019-10-22 11:22:43,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-22 11:22:43,683 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:43,684 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:43,884 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:43,884 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:43,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:43,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1332214153, now seen corresponding path program 1 times [2019-10-22 11:22:43,885 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:22:43,885 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1834001829] [2019-10-22 11:22:43,885 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:44,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:22:44,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:44,034 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:22:44,034 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:44,038 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:22:44,038 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1834001829] [2019-10-22 11:22:44,038 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:44,039 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-10-22 11:22:44,039 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31097913] [2019-10-22 11:22:44,039 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:44,039 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:22:44,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:44,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:44,040 INFO L87 Difference]: Start difference. First operand 374 states and 490 transitions. Second operand 5 states. [2019-10-22 11:22:44,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:44,243 INFO L93 Difference]: Finished difference Result 1022 states and 1347 transitions. [2019-10-22 11:22:44,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:22:44,243 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2019-10-22 11:22:44,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:44,246 INFO L225 Difference]: With dead ends: 1022 [2019-10-22 11:22:44,246 INFO L226 Difference]: Without dead ends: 1020 [2019-10-22 11:22:44,247 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:22:44,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2019-10-22 11:22:44,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 374. [2019-10-22 11:22:44,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2019-10-22 11:22:44,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 488 transitions. [2019-10-22 11:22:44,282 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 488 transitions. Word has length 54 [2019-10-22 11:22:44,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:44,282 INFO L462 AbstractCegarLoop]: Abstraction has 374 states and 488 transitions. [2019-10-22 11:22:44,282 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:44,282 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 488 transitions. [2019-10-22 11:22:44,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-22 11:22:44,283 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:44,283 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, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:44,484 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:44,484 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:44,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:44,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1553978118, now seen corresponding path program 1 times [2019-10-22 11:22:44,485 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:22:44,485 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1968697453] [2019-10-22 11:22:44,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:44,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-22 11:22:44,609 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:44,658 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 11:22:44,658 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:44,710 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 11:22:44,711 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1968697453] [2019-10-22 11:22:44,711 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673994200] [2019-10-22 11:22:44,711 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:22:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:44,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-22 11:22:44,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:44,844 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 11:22:44,844 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:44,852 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-22 11:22:44,853 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-22 11:22:44,853 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5] total 10 [2019-10-22 11:22:44,853 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856335882] [2019-10-22 11:22:44,853 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-22 11:22:44,853 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:22:44,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-22 11:22:44,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2019-10-22 11:22:44,854 INFO L87 Difference]: Start difference. First operand 374 states and 488 transitions. Second operand 11 states. [2019-10-22 11:22:45,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:45,918 INFO L93 Difference]: Finished difference Result 2575 states and 3401 transitions. [2019-10-22 11:22:45,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-10-22 11:22:45,918 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 60 [2019-10-22 11:22:45,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:45,925 INFO L225 Difference]: With dead ends: 2575 [2019-10-22 11:22:45,925 INFO L226 Difference]: Without dead ends: 2257 [2019-10-22 11:22:45,927 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 226 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=228, Invalid=702, Unknown=0, NotChecked=0, Total=930 [2019-10-22 11:22:45,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2257 states. [2019-10-22 11:22:46,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2257 to 664. [2019-10-22 11:22:46,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 664 states. [2019-10-22 11:22:46,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 880 transitions. [2019-10-22 11:22:46,039 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 880 transitions. Word has length 60 [2019-10-22 11:22:46,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:46,040 INFO L462 AbstractCegarLoop]: Abstraction has 664 states and 880 transitions. [2019-10-22 11:22:46,040 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-22 11:22:46,041 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 880 transitions. [2019-10-22 11:22:46,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-10-22 11:22:46,041 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:46,042 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:46,442 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:46,443 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:46,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:46,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1156162525, now seen corresponding path program 2 times [2019-10-22 11:22:46,443 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:22:46,443 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [510620107] [2019-10-22 11:22:46,443 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:48,336 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-22 11:22:48,336 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-22 11:22:48,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-22 11:22:48,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:48,397 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:22:48,423 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:22:48,423 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:48,462 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 11:22:48,462 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [510620107] [2019-10-22 11:22:48,462 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:48,462 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2019-10-22 11:22:48,463 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794863996] [2019-10-22 11:22:48,463 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 11:22:48,463 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:22:48,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 11:22:48,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:22:48,464 INFO L87 Difference]: Start difference. First operand 664 states and 880 transitions. Second operand 9 states. [2019-10-22 11:22:49,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:49,471 INFO L93 Difference]: Finished difference Result 2978 states and 3937 transitions. [2019-10-22 11:22:49,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-22 11:22:49,472 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 85 [2019-10-22 11:22:49,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:49,479 INFO L225 Difference]: With dead ends: 2978 [2019-10-22 11:22:49,479 INFO L226 Difference]: Without dead ends: 2208 [2019-10-22 11:22:49,481 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=148, Invalid=314, Unknown=0, NotChecked=0, Total=462 [2019-10-22 11:22:49,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2208 states. [2019-10-22 11:22:49,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2208 to 804. [2019-10-22 11:22:49,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2019-10-22 11:22:49,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1045 transitions. [2019-10-22 11:22:49,587 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1045 transitions. Word has length 85 [2019-10-22 11:22:49,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:49,588 INFO L462 AbstractCegarLoop]: Abstraction has 804 states and 1045 transitions. [2019-10-22 11:22:49,588 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 11:22:49,588 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1045 transitions. [2019-10-22 11:22:49,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-10-22 11:22:49,589 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:49,589 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:49,789 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:49,790 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:49,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:49,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1550529311, now seen corresponding path program 1 times [2019-10-22 11:22:49,790 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:22:49,790 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [440148333] [2019-10-22 11:22:49,791 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:49,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-22 11:22:49,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:49,976 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 11:22:49,976 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:50,040 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 11:22:50,041 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [440148333] [2019-10-22 11:22:50,041 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:50,041 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 9 [2019-10-22 11:22:50,041 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322752082] [2019-10-22 11:22:50,041 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 11:22:50,042 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:22:50,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 11:22:50,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:22:50,042 INFO L87 Difference]: Start difference. First operand 804 states and 1045 transitions. Second operand 9 states. [2019-10-22 11:22:50,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:50,156 INFO L93 Difference]: Finished difference Result 1206 states and 1545 transitions. [2019-10-22 11:22:50,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:22:50,157 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 85 [2019-10-22 11:22:50,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:50,157 INFO L225 Difference]: With dead ends: 1206 [2019-10-22 11:22:50,157 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:22:50,159 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2019-10-22 11:22:50,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:22:50,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:22:50,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:22:50,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:22:50,161 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2019-10-22 11:22:50,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:50,161 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:22:50,161 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 11:22:50,161 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:22:50,161 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:22:50,362 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:50,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:22:50,689 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 145 [2019-10-22 11:22:51,010 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 146 [2019-10-22 11:22:51,308 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 157 [2019-10-22 11:22:51,590 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 146 [2019-10-22 11:22:51,847 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 152 [2019-10-22 11:22:52,241 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 167 [2019-10-22 11:22:53,000 WARN L191 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 34 [2019-10-22 11:22:53,640 WARN L191 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 35 [2019-10-22 11:22:53,929 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 27 [2019-10-22 11:22:54,501 WARN L191 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 34 [2019-10-22 11:22:55,103 WARN L191 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 35 [2019-10-22 11:22:55,253 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 34 [2019-10-22 11:22:55,471 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 36 [2019-10-22 11:22:56,007 WARN L191 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 43 [2019-10-22 11:22:56,277 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 27 [2019-10-22 11:22:57,136 WARN L191 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 39 [2019-10-22 11:22:57,322 INFO L439 ceAbstractionStarter]: At program point L366(lines 351 369) the Hoare annotation is: (and (= (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv4294967295 32)) (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~6 (_ bv0 32))) [2019-10-22 11:22:57,322 INFO L439 ceAbstractionStarter]: At program point L366-1(lines 351 369) the Hoare annotation is: false [2019-10-22 11:22:57,322 INFO L439 ceAbstractionStarter]: At program point L366-2(lines 351 369) the Hoare annotation is: false [2019-10-22 11:22:57,322 INFO L439 ceAbstractionStarter]: At program point L366-3(lines 351 369) the Hoare annotation is: false [2019-10-22 11:22:57,322 INFO L439 ceAbstractionStarter]: At program point L366-4(lines 351 369) the Hoare annotation is: false [2019-10-22 11:22:57,322 INFO L439 ceAbstractionStarter]: At program point L366-5(lines 351 369) the Hoare annotation is: false [2019-10-22 11:22:57,322 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 106) no Hoare annotation was computed. [2019-10-22 11:22:57,322 INFO L439 ceAbstractionStarter]: At program point L102-2(lines 138 144) the Hoare annotation is: (let ((.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse0 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and (and (and .cse0 .cse1) .cse2 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32)))) .cse3) (and (and .cse4 .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) .cse3) (and (and .cse2 (and .cse0 (and .cse4 .cse1))) .cse3))) [2019-10-22 11:22:57,322 INFO L443 ceAbstractionStarter]: For program point L170(lines 170 187) no Hoare annotation was computed. [2019-10-22 11:22:57,322 INFO L443 ceAbstractionStarter]: For program point L170-1(lines 170 187) no Hoare annotation was computed. [2019-10-22 11:22:57,323 INFO L443 ceAbstractionStarter]: For program point L170-2(lines 170 187) no Hoare annotation was computed. [2019-10-22 11:22:57,323 INFO L443 ceAbstractionStarter]: For program point L170-3(lines 170 187) no Hoare annotation was computed. [2019-10-22 11:22:57,323 INFO L443 ceAbstractionStarter]: For program point L170-4(lines 170 187) no Hoare annotation was computed. [2019-10-22 11:22:57,323 INFO L443 ceAbstractionStarter]: For program point L170-5(lines 170 187) no Hoare annotation was computed. [2019-10-22 11:22:57,323 INFO L443 ceAbstractionStarter]: For program point L170-6(lines 170 187) no Hoare annotation was computed. [2019-10-22 11:22:57,323 INFO L443 ceAbstractionStarter]: For program point L170-7(lines 170 187) no Hoare annotation was computed. [2019-10-22 11:22:57,323 INFO L443 ceAbstractionStarter]: For program point L170-8(lines 170 187) no Hoare annotation was computed. [2019-10-22 11:22:57,323 INFO L443 ceAbstractionStarter]: For program point L170-9(lines 170 187) no Hoare annotation was computed. [2019-10-22 11:22:57,323 INFO L443 ceAbstractionStarter]: For program point L170-10(lines 170 187) no Hoare annotation was computed. [2019-10-22 11:22:57,323 INFO L443 ceAbstractionStarter]: For program point L170-11(lines 170 187) no Hoare annotation was computed. [2019-10-22 11:22:57,323 INFO L439 ceAbstractionStarter]: At program point L503(lines 499 505) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:22:57,323 INFO L443 ceAbstractionStarter]: For program point L174(lines 174 182) no Hoare annotation was computed. [2019-10-22 11:22:57,323 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 174 182) no Hoare annotation was computed. [2019-10-22 11:22:57,323 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 182) no Hoare annotation was computed. [2019-10-22 11:22:57,324 INFO L443 ceAbstractionStarter]: For program point L174-3(lines 174 182) no Hoare annotation was computed. [2019-10-22 11:22:57,324 INFO L443 ceAbstractionStarter]: For program point L174-4(lines 174 182) no Hoare annotation was computed. [2019-10-22 11:22:57,324 INFO L443 ceAbstractionStarter]: For program point L174-5(lines 174 182) no Hoare annotation was computed. [2019-10-22 11:22:57,324 INFO L443 ceAbstractionStarter]: For program point L174-6(lines 174 182) no Hoare annotation was computed. [2019-10-22 11:22:57,324 INFO L443 ceAbstractionStarter]: For program point L174-7(lines 174 182) no Hoare annotation was computed. [2019-10-22 11:22:57,324 INFO L443 ceAbstractionStarter]: For program point L174-8(lines 174 182) no Hoare annotation was computed. [2019-10-22 11:22:57,324 INFO L443 ceAbstractionStarter]: For program point L174-9(lines 174 182) no Hoare annotation was computed. [2019-10-22 11:22:57,324 INFO L443 ceAbstractionStarter]: For program point L174-10(lines 174 182) no Hoare annotation was computed. [2019-10-22 11:22:57,324 INFO L443 ceAbstractionStarter]: For program point L174-11(lines 174 182) no Hoare annotation was computed. [2019-10-22 11:22:57,324 INFO L439 ceAbstractionStarter]: At program point L439(lines 434 442) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:22:57,324 INFO L443 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-10-22 11:22:57,324 INFO L443 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-10-22 11:22:57,324 INFO L443 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-10-22 11:22:57,324 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 11:22:57,324 INFO L439 ceAbstractionStarter]: At program point L112(lines 63 113) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:22:57,325 INFO L443 ceAbstractionStarter]: For program point L912(lines 912 916) no Hoare annotation was computed. [2019-10-22 11:22:57,325 INFO L443 ceAbstractionStarter]: For program point L912-3(lines 912 916) no Hoare annotation was computed. [2019-10-22 11:22:57,325 INFO L443 ceAbstractionStarter]: For program point L912-6(lines 912 916) no Hoare annotation was computed. [2019-10-22 11:22:57,325 INFO L439 ceAbstractionStarter]: At program point L981(lines 976 984) the Hoare annotation is: (let ((.cse0 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and (and (= (_ bv0 32) ~pumpRunning~0) .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse2) (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse2))) [2019-10-22 11:22:57,325 INFO L439 ceAbstractionStarter]: At program point L981-1(lines 976 984) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:22:57,325 INFO L439 ceAbstractionStarter]: At program point L981-2(lines 976 984) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:22:57,325 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 401) no Hoare annotation was computed. [2019-10-22 11:22:57,325 INFO L439 ceAbstractionStarter]: At program point L388-1(lines 1 1007) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) .cse1 .cse2) (and .cse2 (and .cse3 .cse0 .cse1 .cse4 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|))) (and (and .cse3 .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse4) .cse2))) [2019-10-22 11:22:57,325 INFO L443 ceAbstractionStarter]: For program point L388-2(lines 388 401) no Hoare annotation was computed. [2019-10-22 11:22:57,325 INFO L439 ceAbstractionStarter]: At program point L388-3(lines 1 1007) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:22:57,325 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:22:57,325 INFO L443 ceAbstractionStarter]: For program point L388-4(lines 388 401) no Hoare annotation was computed. [2019-10-22 11:22:57,325 INFO L439 ceAbstractionStarter]: At program point L388-5(lines 1 1007) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:22:57,326 INFO L439 ceAbstractionStarter]: At program point L455-2(lines 455 469) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:22:57,326 INFO L443 ceAbstractionStarter]: For program point L456(line 456) no Hoare annotation was computed. [2019-10-22 11:22:57,326 INFO L443 ceAbstractionStarter]: For program point L258(lines 258 264) no Hoare annotation was computed. [2019-10-22 11:22:57,326 INFO L443 ceAbstractionStarter]: For program point L258-2(lines 258 264) no Hoare annotation was computed. [2019-10-22 11:22:57,326 INFO L443 ceAbstractionStarter]: For program point L258-4(lines 258 264) no Hoare annotation was computed. [2019-10-22 11:22:57,326 INFO L443 ceAbstractionStarter]: For program point L258-6(lines 258 264) no Hoare annotation was computed. [2019-10-22 11:22:57,326 INFO L443 ceAbstractionStarter]: For program point L258-8(lines 258 264) no Hoare annotation was computed. [2019-10-22 11:22:57,327 INFO L443 ceAbstractionStarter]: For program point L258-10(lines 258 264) no Hoare annotation was computed. [2019-10-22 11:22:57,327 INFO L443 ceAbstractionStarter]: For program point L258-12(lines 258 264) no Hoare annotation was computed. [2019-10-22 11:22:57,327 INFO L443 ceAbstractionStarter]: For program point L258-14(lines 258 264) no Hoare annotation was computed. [2019-10-22 11:22:57,327 INFO L443 ceAbstractionStarter]: For program point L258-16(lines 258 264) no Hoare annotation was computed. [2019-10-22 11:22:57,327 INFO L443 ceAbstractionStarter]: For program point L258-18(lines 258 264) no Hoare annotation was computed. [2019-10-22 11:22:57,327 INFO L443 ceAbstractionStarter]: For program point L258-20(lines 258 264) no Hoare annotation was computed. [2019-10-22 11:22:57,327 INFO L443 ceAbstractionStarter]: For program point L258-22(lines 258 264) no Hoare annotation was computed. [2019-10-22 11:22:57,328 INFO L443 ceAbstractionStarter]: For program point L392(lines 392 398) no Hoare annotation was computed. [2019-10-22 11:22:57,328 INFO L443 ceAbstractionStarter]: For program point L392-2(lines 392 398) no Hoare annotation was computed. [2019-10-22 11:22:57,328 INFO L443 ceAbstractionStarter]: For program point L392-4(lines 392 398) no Hoare annotation was computed. [2019-10-22 11:22:57,328 INFO L443 ceAbstractionStarter]: For program point L459(lines 459 463) no Hoare annotation was computed. [2019-10-22 11:22:57,328 INFO L443 ceAbstractionStarter]: For program point L459-1(lines 138 144) no Hoare annotation was computed. [2019-10-22 11:22:57,328 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 533) no Hoare annotation was computed. [2019-10-22 11:22:57,328 INFO L446 ceAbstractionStarter]: At program point L526-1(lines 526 533) the Hoare annotation is: true [2019-10-22 11:22:57,328 INFO L443 ceAbstractionStarter]: For program point L196(lines 196 213) no Hoare annotation was computed. [2019-10-22 11:22:57,328 INFO L443 ceAbstractionStarter]: For program point L196-1(lines 196 213) no Hoare annotation was computed. [2019-10-22 11:22:57,328 INFO L443 ceAbstractionStarter]: For program point L196-2(lines 196 213) no Hoare annotation was computed. [2019-10-22 11:22:57,328 INFO L443 ceAbstractionStarter]: For program point L196-3(lines 196 213) no Hoare annotation was computed. [2019-10-22 11:22:57,328 INFO L443 ceAbstractionStarter]: For program point L196-4(lines 196 213) no Hoare annotation was computed. [2019-10-22 11:22:57,328 INFO L443 ceAbstractionStarter]: For program point L196-5(lines 196 213) no Hoare annotation was computed. [2019-10-22 11:22:57,329 INFO L443 ceAbstractionStarter]: For program point L989(lines 989 995) no Hoare annotation was computed. [2019-10-22 11:22:57,329 INFO L443 ceAbstractionStarter]: For program point L989-1(lines 989 995) no Hoare annotation was computed. [2019-10-22 11:22:57,329 INFO L443 ceAbstractionStarter]: For program point L989-2(lines 989 995) no Hoare annotation was computed. [2019-10-22 11:22:57,329 INFO L443 ceAbstractionStarter]: For program point L989-3(lines 989 995) no Hoare annotation was computed. [2019-10-22 11:22:57,329 INFO L443 ceAbstractionStarter]: For program point L989-4(lines 989 995) no Hoare annotation was computed. [2019-10-22 11:22:57,329 INFO L443 ceAbstractionStarter]: For program point L989-5(lines 989 995) no Hoare annotation was computed. [2019-10-22 11:22:57,329 INFO L443 ceAbstractionStarter]: For program point L989-6(lines 989 995) no Hoare annotation was computed. [2019-10-22 11:22:57,329 INFO L443 ceAbstractionStarter]: For program point L989-7(lines 989 995) no Hoare annotation was computed. [2019-10-22 11:22:57,329 INFO L443 ceAbstractionStarter]: For program point L989-8(lines 989 995) no Hoare annotation was computed. [2019-10-22 11:22:57,329 INFO L443 ceAbstractionStarter]: For program point L989-9(lines 989 995) no Hoare annotation was computed. [2019-10-22 11:22:57,329 INFO L443 ceAbstractionStarter]: For program point L989-10(lines 989 995) no Hoare annotation was computed. [2019-10-22 11:22:57,329 INFO L443 ceAbstractionStarter]: For program point L989-11(lines 989 995) no Hoare annotation was computed. [2019-10-22 11:22:57,329 INFO L443 ceAbstractionStarter]: For program point L65(lines 64 111) no Hoare annotation was computed. [2019-10-22 11:22:57,329 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:22:57,330 INFO L443 ceAbstractionStarter]: For program point L924(lines 924 928) no Hoare annotation was computed. [2019-10-22 11:22:57,330 INFO L443 ceAbstractionStarter]: For program point L66(lines 66 70) no Hoare annotation was computed. [2019-10-22 11:22:57,330 INFO L443 ceAbstractionStarter]: For program point L200(lines 200 208) no Hoare annotation was computed. [2019-10-22 11:22:57,330 INFO L443 ceAbstractionStarter]: For program point L200-1(lines 200 208) no Hoare annotation was computed. [2019-10-22 11:22:57,330 INFO L443 ceAbstractionStarter]: For program point L200-2(lines 200 208) no Hoare annotation was computed. [2019-10-22 11:22:57,330 INFO L443 ceAbstractionStarter]: For program point L200-3(lines 200 208) no Hoare annotation was computed. [2019-10-22 11:22:57,330 INFO L443 ceAbstractionStarter]: For program point L200-4(lines 200 208) no Hoare annotation was computed. [2019-10-22 11:22:57,330 INFO L443 ceAbstractionStarter]: For program point L200-5(lines 200 208) no Hoare annotation was computed. [2019-10-22 11:22:57,331 INFO L439 ceAbstractionStarter]: At program point L994(lines 985 998) the Hoare annotation is: false [2019-10-22 11:22:57,331 INFO L439 ceAbstractionStarter]: At program point L994-1(lines 985 998) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (_ bv0 32) ~pumpRunning~0) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) [2019-10-22 11:22:57,331 INFO L439 ceAbstractionStarter]: At program point L994-2(lines 985 998) the Hoare annotation is: false [2019-10-22 11:22:57,331 INFO L439 ceAbstractionStarter]: At program point L994-3(lines 985 998) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 .cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) .cse3) (and (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) (and .cse0 .cse1 .cse2)) .cse3))) [2019-10-22 11:22:57,331 INFO L439 ceAbstractionStarter]: At program point L994-4(lines 985 998) the Hoare annotation is: false [2019-10-22 11:22:57,331 INFO L439 ceAbstractionStarter]: At program point L994-5(lines 985 998) the Hoare annotation is: false [2019-10-22 11:22:57,332 INFO L439 ceAbstractionStarter]: At program point L994-6(lines 985 998) the Hoare annotation is: false [2019-10-22 11:22:57,332 INFO L439 ceAbstractionStarter]: At program point L994-7(lines 985 998) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:22:57,332 INFO L439 ceAbstractionStarter]: At program point L994-8(lines 985 998) the Hoare annotation is: false [2019-10-22 11:22:57,332 INFO L439 ceAbstractionStarter]: At program point L994-9(lines 985 998) the Hoare annotation is: false [2019-10-22 11:22:57,332 INFO L439 ceAbstractionStarter]: At program point L994-10(lines 985 998) the Hoare annotation is: false [2019-10-22 11:22:57,332 INFO L439 ceAbstractionStarter]: At program point L994-11(lines 985 998) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:22:57,332 INFO L439 ceAbstractionStarter]: At program point L138(lines 137 156) the Hoare annotation is: (let ((.cse4 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse2 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (and .cse1 .cse2 .cse3 .cse4)) (and (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) .cse3 .cse4) .cse0) (and .cse0 (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) (and .cse2 (and .cse1 .cse3)))))) [2019-10-22 11:22:57,332 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 138 144) no Hoare annotation was computed. [2019-10-22 11:22:57,332 INFO L439 ceAbstractionStarter]: At program point L138-2(lines 137 156) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:22:57,332 INFO L439 ceAbstractionStarter]: At program point L138-3(lines 137 156) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:22:57,333 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 11:22:57,333 INFO L446 ceAbstractionStarter]: At program point L535(lines 516 538) the Hoare annotation is: true [2019-10-22 11:22:57,333 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 80) no Hoare annotation was computed. [2019-10-22 11:22:57,333 INFO L439 ceAbstractionStarter]: At program point L74-1(lines 74 80) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5) (and (and .cse6 (and .cse1 .cse3 (and .cse0 .cse2))) .cse5) (and (and .cse6 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse1 .cse2) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32)))) .cse5) (and (and (and .cse0 .cse1 .cse2) .cse4 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse5))) [2019-10-22 11:22:57,333 INFO L443 ceAbstractionStarter]: For program point L341(lines 341 345) no Hoare annotation was computed. [2019-10-22 11:22:57,333 INFO L443 ceAbstractionStarter]: For program point L341-2(lines 341 345) no Hoare annotation was computed. [2019-10-22 11:22:57,333 INFO L443 ceAbstractionStarter]: For program point L341-3(lines 341 345) no Hoare annotation was computed. [2019-10-22 11:22:57,333 INFO L443 ceAbstractionStarter]: For program point L341-5(lines 341 345) no Hoare annotation was computed. [2019-10-22 11:22:57,333 INFO L443 ceAbstractionStarter]: For program point L341-6(lines 341 345) no Hoare annotation was computed. [2019-10-22 11:22:57,333 INFO L443 ceAbstractionStarter]: For program point L341-8(lines 341 345) no Hoare annotation was computed. [2019-10-22 11:22:57,334 INFO L443 ceAbstractionStarter]: For program point L341-9(lines 341 345) no Hoare annotation was computed. [2019-10-22 11:22:57,334 INFO L443 ceAbstractionStarter]: For program point L341-11(lines 341 345) no Hoare annotation was computed. [2019-10-22 11:22:57,334 INFO L443 ceAbstractionStarter]: For program point L341-12(lines 341 345) no Hoare annotation was computed. [2019-10-22 11:22:57,334 INFO L443 ceAbstractionStarter]: For program point L936(lines 936 940) no Hoare annotation was computed. [2019-10-22 11:22:57,334 INFO L443 ceAbstractionStarter]: For program point L341-14(lines 341 345) no Hoare annotation was computed. [2019-10-22 11:22:57,334 INFO L443 ceAbstractionStarter]: For program point L341-15(lines 341 345) no Hoare annotation was computed. [2019-10-22 11:22:57,334 INFO L443 ceAbstractionStarter]: For program point L341-17(lines 341 345) no Hoare annotation was computed. [2019-10-22 11:22:57,334 INFO L443 ceAbstractionStarter]: For program point L341-18(lines 341 345) no Hoare annotation was computed. [2019-10-22 11:22:57,334 INFO L443 ceAbstractionStarter]: For program point L341-20(lines 341 345) no Hoare annotation was computed. [2019-10-22 11:22:57,335 INFO L443 ceAbstractionStarter]: For program point L341-21(lines 341 345) no Hoare annotation was computed. [2019-10-22 11:22:57,335 INFO L443 ceAbstractionStarter]: For program point L341-23(lines 341 345) no Hoare annotation was computed. [2019-10-22 11:22:57,335 INFO L443 ceAbstractionStarter]: For program point L341-24(lines 341 345) no Hoare annotation was computed. [2019-10-22 11:22:57,335 INFO L443 ceAbstractionStarter]: For program point L341-26(lines 341 345) no Hoare annotation was computed. [2019-10-22 11:22:57,335 INFO L443 ceAbstractionStarter]: For program point L341-27(lines 341 345) no Hoare annotation was computed. [2019-10-22 11:22:57,335 INFO L443 ceAbstractionStarter]: For program point L341-29(lines 341 345) no Hoare annotation was computed. [2019-10-22 11:22:57,335 INFO L443 ceAbstractionStarter]: For program point L341-30(lines 341 345) no Hoare annotation was computed. [2019-10-22 11:22:57,335 INFO L443 ceAbstractionStarter]: For program point L341-32(lines 341 345) no Hoare annotation was computed. [2019-10-22 11:22:57,336 INFO L443 ceAbstractionStarter]: For program point L341-33(lines 341 345) no Hoare annotation was computed. [2019-10-22 11:22:57,336 INFO L443 ceAbstractionStarter]: For program point L341-35(lines 341 345) no Hoare annotation was computed. [2019-10-22 11:22:57,336 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 11:22:57,336 INFO L439 ceAbstractionStarter]: At program point L145(lines 145 151) the Hoare annotation is: (let ((.cse0 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) (and .cse0 .cse1)) .cse2) (and (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse3 .cse0 (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse4) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse3 .cse0 .cse1) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) .cse4))) .cse2))) [2019-10-22 11:22:57,336 INFO L439 ceAbstractionStarter]: At program point L145-1(lines 145 151) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:22:57,336 INFO L439 ceAbstractionStarter]: At program point L145-2(lines 145 151) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:22:57,336 INFO L439 ceAbstractionStarter]: At program point L1004(lines 999 1007) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:22:57,336 INFO L439 ceAbstractionStarter]: At program point L1004-1(lines 999 1007) the Hoare annotation is: false [2019-10-22 11:22:57,337 INFO L439 ceAbstractionStarter]: At program point L1004-2(lines 999 1007) the Hoare annotation is: false [2019-10-22 11:22:57,337 INFO L439 ceAbstractionStarter]: At program point L1004-3(lines 999 1007) the Hoare annotation is: false [2019-10-22 11:22:57,337 INFO L439 ceAbstractionStarter]: At program point L1004-4(lines 999 1007) the Hoare annotation is: false [2019-10-22 11:22:57,337 INFO L439 ceAbstractionStarter]: At program point L1004-5(lines 999 1007) the Hoare annotation is: false [2019-10-22 11:22:57,337 INFO L439 ceAbstractionStarter]: At program point L347(lines 332 350) the Hoare annotation is: false [2019-10-22 11:22:57,337 INFO L439 ceAbstractionStarter]: At program point L347-1(lines 332 350) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv0 32) ~pumpRunning~0) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv4294967295 32)) (_ bv0 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) [2019-10-22 11:22:57,337 INFO L439 ceAbstractionStarter]: At program point L347-2(lines 332 350) the Hoare annotation is: false [2019-10-22 11:22:57,337 INFO L439 ceAbstractionStarter]: At program point L347-3(lines 332 350) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv4294967295 32)) (_ bv0 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) .cse3) (and (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) (and .cse0 .cse1 .cse2)) .cse3))) [2019-10-22 11:22:57,337 INFO L439 ceAbstractionStarter]: At program point L347-4(lines 332 350) the Hoare annotation is: false [2019-10-22 11:22:57,337 INFO L439 ceAbstractionStarter]: At program point L347-5(lines 332 350) the Hoare annotation is: false [2019-10-22 11:22:57,337 INFO L439 ceAbstractionStarter]: At program point L347-6(lines 332 350) the Hoare annotation is: false [2019-10-22 11:22:57,338 INFO L439 ceAbstractionStarter]: At program point L347-7(lines 332 350) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv4294967295 32)) (_ bv0 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:22:57,338 INFO L439 ceAbstractionStarter]: At program point L347-8(lines 332 350) the Hoare annotation is: false [2019-10-22 11:22:57,338 INFO L439 ceAbstractionStarter]: At program point L347-9(lines 332 350) the Hoare annotation is: false [2019-10-22 11:22:57,338 INFO L439 ceAbstractionStarter]: At program point L347-10(lines 332 350) the Hoare annotation is: false [2019-10-22 11:22:57,338 INFO L439 ceAbstractionStarter]: At program point L347-11(lines 332 350) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv4294967295 32)) (_ bv0 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:22:57,338 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 90) no Hoare annotation was computed. [2019-10-22 11:22:57,339 INFO L439 ceAbstractionStarter]: At program point L84-1(lines 84 90) the Hoare annotation is: (let ((.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse0 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and (and (and .cse0 .cse1) .cse2 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32)))) .cse3) (and (and .cse4 .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) .cse3) (and (and .cse2 (and .cse0 (and .cse4 .cse1))) .cse3))) [2019-10-22 11:22:57,339 INFO L439 ceAbstractionStarter]: At program point L283(lines 276 286) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) [2019-10-22 11:22:57,339 INFO L439 ceAbstractionStarter]: At program point L283-1(lines 276 286) the Hoare annotation is: false [2019-10-22 11:22:57,339 INFO L439 ceAbstractionStarter]: At program point L283-2(lines 276 286) the Hoare annotation is: false [2019-10-22 11:22:57,339 INFO L439 ceAbstractionStarter]: At program point L283-3(lines 276 286) the Hoare annotation is: false [2019-10-22 11:22:57,339 INFO L439 ceAbstractionStarter]: At program point L283-4(lines 276 286) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) [2019-10-22 11:22:57,340 INFO L439 ceAbstractionStarter]: At program point L283-5(lines 276 286) the Hoare annotation is: false [2019-10-22 11:22:57,340 INFO L439 ceAbstractionStarter]: At program point L283-6(lines 276 286) the Hoare annotation is: false [2019-10-22 11:22:57,340 INFO L439 ceAbstractionStarter]: At program point L283-7(lines 276 286) the Hoare annotation is: false [2019-10-22 11:22:57,340 INFO L439 ceAbstractionStarter]: At program point L283-8(lines 276 286) the Hoare annotation is: false [2019-10-22 11:22:57,340 INFO L439 ceAbstractionStarter]: At program point L283-9(lines 276 286) the Hoare annotation is: false [2019-10-22 11:22:57,340 INFO L439 ceAbstractionStarter]: At program point L283-10(lines 276 286) the Hoare annotation is: false [2019-10-22 11:22:57,340 INFO L439 ceAbstractionStarter]: At program point L283-11(lines 276 286) the Hoare annotation is: false [2019-10-22 11:22:57,340 INFO L439 ceAbstractionStarter]: At program point L283-12(lines 276 286) the Hoare annotation is: false [2019-10-22 11:22:57,340 INFO L439 ceAbstractionStarter]: At program point L283-13(lines 276 286) the Hoare annotation is: false [2019-10-22 11:22:57,340 INFO L439 ceAbstractionStarter]: At program point L283-14(lines 276 286) the Hoare annotation is: false [2019-10-22 11:22:57,340 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:22:57,340 INFO L443 ceAbstractionStarter]: For program point L222(lines 222 239) no Hoare annotation was computed. [2019-10-22 11:22:57,340 INFO L443 ceAbstractionStarter]: For program point L222-1(lines 222 239) no Hoare annotation was computed. [2019-10-22 11:22:57,341 INFO L443 ceAbstractionStarter]: For program point L222-2(lines 222 239) no Hoare annotation was computed. [2019-10-22 11:22:57,341 INFO L439 ceAbstractionStarter]: At program point L949(lines 944 952) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) [2019-10-22 11:22:57,341 INFO L439 ceAbstractionStarter]: At program point L949-1(lines 944 952) the Hoare annotation is: false [2019-10-22 11:22:57,341 INFO L439 ceAbstractionStarter]: At program point L949-2(lines 944 952) the Hoare annotation is: false [2019-10-22 11:22:57,341 INFO L439 ceAbstractionStarter]: At program point L949-3(lines 944 952) the Hoare annotation is: false [2019-10-22 11:22:57,341 INFO L439 ceAbstractionStarter]: At program point L949-4(lines 944 952) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) [2019-10-22 11:22:57,341 INFO L439 ceAbstractionStarter]: At program point L949-5(lines 944 952) the Hoare annotation is: false [2019-10-22 11:22:57,341 INFO L439 ceAbstractionStarter]: At program point L949-6(lines 944 952) the Hoare annotation is: false [2019-10-22 11:22:57,341 INFO L439 ceAbstractionStarter]: At program point L949-7(lines 944 952) the Hoare annotation is: false [2019-10-22 11:22:57,341 INFO L439 ceAbstractionStarter]: At program point L949-8(lines 944 952) the Hoare annotation is: false [2019-10-22 11:22:57,341 INFO L439 ceAbstractionStarter]: At program point L949-9(lines 944 952) the Hoare annotation is: false [2019-10-22 11:22:57,342 INFO L439 ceAbstractionStarter]: At program point L949-10(lines 944 952) the Hoare annotation is: false [2019-10-22 11:22:57,342 INFO L439 ceAbstractionStarter]: At program point L949-11(lines 944 952) the Hoare annotation is: false [2019-10-22 11:22:57,342 INFO L439 ceAbstractionStarter]: At program point L949-12(lines 944 952) the Hoare annotation is: false [2019-10-22 11:22:57,342 INFO L439 ceAbstractionStarter]: At program point L949-13(lines 944 952) the Hoare annotation is: false [2019-10-22 11:22:57,342 INFO L439 ceAbstractionStarter]: At program point L949-14(lines 944 952) the Hoare annotation is: false [2019-10-22 11:22:57,342 INFO L439 ceAbstractionStarter]: At program point L292(lines 287 295) the Hoare annotation is: false [2019-10-22 11:22:57,342 INFO L439 ceAbstractionStarter]: At program point L292-1(lines 287 295) the Hoare annotation is: false [2019-10-22 11:22:57,342 INFO L443 ceAbstractionStarter]: For program point L226(lines 226 234) no Hoare annotation was computed. [2019-10-22 11:22:57,343 INFO L439 ceAbstractionStarter]: At program point L292-2(lines 287 295) the Hoare annotation is: false [2019-10-22 11:22:57,343 INFO L443 ceAbstractionStarter]: For program point L226-1(lines 226 234) no Hoare annotation was computed. [2019-10-22 11:22:57,343 INFO L443 ceAbstractionStarter]: For program point L226-2(lines 226 234) no Hoare annotation was computed. [2019-10-22 11:22:57,343 INFO L443 ceAbstractionStarter]: For program point L94(lines 94 107) no Hoare annotation was computed. [2019-10-22 11:22:57,343 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:22:57,343 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 364) no Hoare annotation was computed. [2019-10-22 11:22:57,343 INFO L443 ceAbstractionStarter]: For program point L360-2(lines 360 364) no Hoare annotation was computed. [2019-10-22 11:22:57,343 INFO L443 ceAbstractionStarter]: For program point L360-3(lines 360 364) no Hoare annotation was computed. [2019-10-22 11:22:57,344 INFO L443 ceAbstractionStarter]: For program point L360-5(lines 360 364) no Hoare annotation was computed. [2019-10-22 11:22:57,344 INFO L443 ceAbstractionStarter]: For program point L360-6(lines 360 364) no Hoare annotation was computed. [2019-10-22 11:22:57,344 INFO L443 ceAbstractionStarter]: For program point L360-8(lines 360 364) no Hoare annotation was computed. [2019-10-22 11:22:57,344 INFO L443 ceAbstractionStarter]: For program point L360-9(lines 360 364) no Hoare annotation was computed. [2019-10-22 11:22:57,344 INFO L443 ceAbstractionStarter]: For program point L360-11(lines 360 364) no Hoare annotation was computed. [2019-10-22 11:22:57,344 INFO L443 ceAbstractionStarter]: For program point L360-12(lines 360 364) no Hoare annotation was computed. [2019-10-22 11:22:57,344 INFO L443 ceAbstractionStarter]: For program point L360-14(lines 360 364) no Hoare annotation was computed. [2019-10-22 11:22:57,344 INFO L443 ceAbstractionStarter]: For program point L360-15(lines 360 364) no Hoare annotation was computed. [2019-10-22 11:22:57,344 INFO L443 ceAbstractionStarter]: For program point L360-17(lines 360 364) no Hoare annotation was computed. [2019-10-22 11:22:57,344 INFO L439 ceAbstractionStarter]: At program point L431(lines 1 1007) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-10-22 11:22:57,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:22:57 BoogieIcfgContainer [2019-10-22 11:22:57,372 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:22:57,373 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:22:57,373 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:22:57,373 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:22:57,373 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:38" (3/4) ... [2019-10-22 11:22:57,377 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:22:57,396 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:22:57,397 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 11:22:57,398 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 11:22:57,400 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-10-22 11:22:57,401 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:22:57,402 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:22:57,428 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:22:57,428 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:22:57,428 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (1bv32 == \result && ((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2019-10-22 11:22:57,428 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && (~bvslt32(splverifierCounter, 4bv32) && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 1bv32 == \result)) || ((((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == \result) [2019-10-22 11:22:57,428 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:22:57,428 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((~bvslt32(splverifierCounter, 4bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967294bv32) == 0bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && 1bv32 == \result) || ((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32) && 0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2019-10-22 11:22:57,429 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((~bvslt32(splverifierCounter, 4bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967294bv32) == 0bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && 1bv32 == \result) || ((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32) && 0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2019-10-22 11:22:57,429 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1bv32 == \result && ((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || (((((!(0bv32 == \result) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (1bv32 == \result && ~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32) && 0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2019-10-22 11:22:57,429 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:22:57,429 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || (((!(0bv32 == \result) && (0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) && 1bv32 == \result) [2019-10-22 11:22:57,429 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:22:57,430 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:22:57,430 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == \result) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2019-10-22 11:22:57,430 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:22:57,431 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:22:57,431 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0bv32 == \result) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:22:57,431 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:22:57,431 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0bv32 == \result) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:22:57,432 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:22:57,432 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:22:57,432 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && (0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2019-10-22 11:22:57,432 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:22:57,433 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && (0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2019-10-22 11:22:57,433 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:22:57,434 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0bv32 == \result) && \result == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && tmp == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:22:57,435 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1bv32 == \result && 0bv32 == pumpRunning) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && tmp == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:22:57,435 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:22:57,435 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((~bvadd64(tmp___0, 4294967295bv32) == 0bv32 && !(0bv32 == \result)) && \result == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && tmp == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp == 0bv32 [2019-10-22 11:22:57,436 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:22:57,436 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((1bv32 == \result && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && tmp == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:22:57,436 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:22:57,533 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_22c6d28e-2b49-4e6d-8636-fffca2d99ec8/bin/utaipan/witness.graphml [2019-10-22 11:22:57,533 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:22:57,534 INFO L168 Benchmark]: Toolchain (without parser) took 20971.42 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 475.0 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -113.1 MB). Peak memory consumption was 361.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:57,534 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:57,535 INFO L168 Benchmark]: CACSL2BoogieTranslator took 561.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -203.8 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:57,535 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:57,535 INFO L168 Benchmark]: Boogie Preprocessor took 60.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:57,535 INFO L168 Benchmark]: RCFGBuilder took 1314.70 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: 96.6 MB). Peak memory consumption was 96.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:57,536 INFO L168 Benchmark]: TraceAbstraction took 18769.36 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 309.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -44.0 MB). Peak memory consumption was 424.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:57,536 INFO L168 Benchmark]: Witness Printer took 160.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:57,538 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 561.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -203.8 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 99.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1314.70 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: 96.6 MB). Peak memory consumption was 96.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18769.36 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 309.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -44.0 MB). Peak memory consumption was 424.8 MB. Max. memory is 11.5 GB. * Witness Printer took 160.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: ((((((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && (0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: (((((((1bv32 == \result && 0bv32 == pumpRunning) && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && tmp == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: ((((((~bvslt32(splverifierCounter, 4bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967294bv32) == 0bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && 1bv32 == \result) || ((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32) && 0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && (0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((1bv32 == \result && ((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || (((((!(0bv32 == \result) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (1bv32 == \result && ~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32) && 0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: ((((((((((1bv32 == \result && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && tmp == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((((((~bvslt32(splverifierCounter, 4bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967294bv32) == 0bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && 1bv32 == \result) || ((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32) && 0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: (((((((((~bvadd64(tmp___0, 4294967295bv32) == 0bv32 && !(0bv32 == \result)) && \result == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && tmp == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp == 0bv32 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (1bv32 == \result && ((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: (((((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && (~bvslt32(splverifierCounter, 4bv32) && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 1bv32 == \result)) || ((((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == \result) - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: ((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: ((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: ((((!(0bv32 == \result) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: (((((0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == \result) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: (((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || (((!(0bv32 == \result) && (0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) && 1bv32 == \result) - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: ((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: ((((((!(0bv32 == \result) && \result == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && tmp == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: ((((!(0bv32 == \result) && ~bvslt32(splverifierCounter, 4bv32)) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: ((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: (((((((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 225 locations, 3 error locations. Result: SAFE, OverallTime: 18.6s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.9s, HoareTripleCheckerStatistics: 2938 SDtfs, 6725 SDslu, 7331 SDs, 0 SdLazy, 1271 SolverSat, 325 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1266 GetRequests, 1160 SyntacticMatches, 1 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=804occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 5255 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 91 LocationsWithAnnotation, 91 PreInvPairs, 309 NumberOfFragments, 1354 HoareAnnotationTreeSize, 91 FomulaSimplifications, 1492220 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 91 FomulaSimplificationsInter, 171289 FormulaSimplificationTreeSizeReductionInter, 5.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 610 NumberOfCodeBlocks, 610 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1194 ConstructedInterpolants, 0 QuantifiedInterpolants, 143414 SizeOfPredicates, 48 NumberOfNonLiveVariables, 2860 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 26 InterpolantComputations, 22 PerfectInterpolantSequences, 292/328 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...