./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product54.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_245d9066-4e48-41c6-a12a-b3035ff5ec53/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/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 2d2a2b756a74af71e6c6aa0a16e78dafb1256d78 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_245d9066-4e48-41c6-a12a-b3035ff5ec53/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/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 2d2a2b756a74af71e6c6aa0a16e78dafb1256d78 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:23:31,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:31,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:31,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:31,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:31,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:31,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:31,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:31,236 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:31,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:31,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:31,238 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:31,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:31,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:31,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:31,241 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:31,242 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:31,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:31,244 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:31,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:31,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:31,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:31,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:31,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:31,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:31,252 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:31,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:31,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:31,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:31,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:31,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:31,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:31,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:31,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:31,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:31,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:31,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:31,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:31,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:31,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:31,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:31,260 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:23:31,272 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:31,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:31,273 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:31,273 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:31,273 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:31,273 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:31,274 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:23:31,274 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:31,274 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:31,274 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:23:31,274 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:23:31,274 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:31,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:31,275 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:23:31,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:23:31,275 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:23:31,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:31,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:23:31,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:31,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:23:31,276 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:23:31,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:23:31,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:23:31,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:31,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:31,277 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:31,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:31,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:31,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:31,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:31,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:23:31,278 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:23:31,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:23:31,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:23:31,278 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:31,278 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_245d9066-4e48-41c6-a12a-b3035ff5ec53/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 -> 2d2a2b756a74af71e6c6aa0a16e78dafb1256d78 [2019-10-22 11:23:31,311 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:31,319 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:31,322 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:31,324 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:31,324 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:31,325 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c [2019-10-22 11:23:31,372 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/bin/utaipan/data/1f497c177/f97f613324624c9c95e0f9a4740baf12/FLAG35b1cd33e [2019-10-22 11:23:31,810 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:23:31,810 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c [2019-10-22 11:23:31,823 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/bin/utaipan/data/1f497c177/f97f613324624c9c95e0f9a4740baf12/FLAG35b1cd33e [2019-10-22 11:23:32,169 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/bin/utaipan/data/1f497c177/f97f613324624c9c95e0f9a4740baf12 [2019-10-22 11:23:32,170 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:23:32,171 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:23:32,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:32,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:23:32,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:23:32,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:32" (1/1) ... [2019-10-22 11:23:32,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f0c4c28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:32, skipping insertion in model container [2019-10-22 11:23:32,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:32" (1/1) ... [2019-10-22 11:23:32,186 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:23:32,219 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:23:32,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:32,560 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:23:32,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:32,674 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:23:32,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:32 WrapperNode [2019-10-22 11:23:32,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:32,676 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:32,676 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:23:32,676 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:23:32,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:32" (1/1) ... [2019-10-22 11:23:32,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:32" (1/1) ... [2019-10-22 11:23:32,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:32,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:23:32,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:23:32,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:23:32,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:32" (1/1) ... [2019-10-22 11:23:32,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:32" (1/1) ... [2019-10-22 11:23:32,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:32" (1/1) ... [2019-10-22 11:23:32,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:32" (1/1) ... [2019-10-22 11:23:32,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:32" (1/1) ... [2019-10-22 11:23:32,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:32" (1/1) ... [2019-10-22 11:23:32,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:32" (1/1) ... [2019-10-22 11:23:32,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:23:32,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:23:32,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:23:32,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:23:32,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/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 11:23:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:23:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:23:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:23:32,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:23:33,955 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:23:33,955 INFO L284 CfgBuilder]: Removed 278 assume(true) statements. [2019-10-22 11:23:33,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:33 BoogieIcfgContainer [2019-10-22 11:23:33,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:23:33,957 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:23:33,957 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:23:33,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:23:33,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:23:32" (1/3) ... [2019-10-22 11:23:33,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f6a6c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:33, skipping insertion in model container [2019-10-22 11:23:33,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:32" (2/3) ... [2019-10-22 11:23:33,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f6a6c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:33, skipping insertion in model container [2019-10-22 11:23:33,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:33" (3/3) ... [2019-10-22 11:23:33,964 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product54.cil.c [2019-10-22 11:23:33,973 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:23:33,984 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:23:33,994 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:23:34,020 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:23:34,021 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:23:34,021 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:23:34,021 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:23:34,022 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:23:34,022 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:23:34,022 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:23:34,022 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:23:34,043 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2019-10-22 11:23:34,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:23:34,050 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:34,051 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:34,052 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:34,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:34,055 INFO L82 PathProgramCache]: Analyzing trace with hash -1439730149, now seen corresponding path program 1 times [2019-10-22 11:23:34,061 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:34,062 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170908599] [2019-10-22 11:23:34,062 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:34,062 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:34,062 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:34,265 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 11:23:34,266 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170908599] [2019-10-22 11:23:34,267 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:34,267 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:23:34,267 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388525729] [2019-10-22 11:23:34,272 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:23:34,274 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:34,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:23:34,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:23:34,292 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 2 states. [2019-10-22 11:23:34,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:34,337 INFO L93 Difference]: Finished difference Result 372 states and 569 transitions. [2019-10-22 11:23:34,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:23:34,338 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:23:34,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:34,351 INFO L225 Difference]: With dead ends: 372 [2019-10-22 11:23:34,351 INFO L226 Difference]: Without dead ends: 185 [2019-10-22 11:23:34,355 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 11:23:34,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2019-10-22 11:23:34,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2019-10-22 11:23:34,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2019-10-22 11:23:34,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 276 transitions. [2019-10-22 11:23:34,416 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 276 transitions. Word has length 16 [2019-10-22 11:23:34,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:34,416 INFO L462 AbstractCegarLoop]: Abstraction has 185 states and 276 transitions. [2019-10-22 11:23:34,417 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:23:34,417 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 276 transitions. [2019-10-22 11:23:34,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:23:34,418 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:34,418 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 11:23:34,418 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:34,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:34,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1808480250, now seen corresponding path program 1 times [2019-10-22 11:23:34,419 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:34,419 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435197702] [2019-10-22 11:23:34,419 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:34,419 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:34,420 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:34,539 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 11:23:34,540 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435197702] [2019-10-22 11:23:34,540 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:34,540 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:34,541 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764109631] [2019-10-22 11:23:34,542 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:34,542 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:34,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:34,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:34,543 INFO L87 Difference]: Start difference. First operand 185 states and 276 transitions. Second operand 3 states. [2019-10-22 11:23:34,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:34,569 INFO L93 Difference]: Finished difference Result 185 states and 276 transitions. [2019-10-22 11:23:34,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:34,570 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 11:23:34,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:34,571 INFO L225 Difference]: With dead ends: 185 [2019-10-22 11:23:34,571 INFO L226 Difference]: Without dead ends: 71 [2019-10-22 11:23:34,572 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 11:23:34,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-10-22 11:23:34,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-10-22 11:23:34,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-10-22 11:23:34,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2019-10-22 11:23:34,580 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 17 [2019-10-22 11:23:34,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:34,580 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2019-10-22 11:23:34,580 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:34,581 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2019-10-22 11:23:34,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:23:34,582 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:34,582 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 11:23:34,582 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:34,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:34,582 INFO L82 PathProgramCache]: Analyzing trace with hash -886510538, now seen corresponding path program 1 times [2019-10-22 11:23:34,583 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:34,583 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115961931] [2019-10-22 11:23:34,583 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:34,583 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:34,583 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:34,666 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 11:23:34,666 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115961931] [2019-10-22 11:23:34,667 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:34,667 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:23:34,667 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765748054] [2019-10-22 11:23:34,667 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:23:34,668 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:34,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:23:34,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:34,668 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand 5 states. [2019-10-22 11:23:34,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:34,746 INFO L93 Difference]: Finished difference Result 136 states and 204 transitions. [2019-10-22 11:23:34,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:23:34,751 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-10-22 11:23:34,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:34,752 INFO L225 Difference]: With dead ends: 136 [2019-10-22 11:23:34,752 INFO L226 Difference]: Without dead ends: 71 [2019-10-22 11:23:34,752 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 11:23:34,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-10-22 11:23:34,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-10-22 11:23:34,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-10-22 11:23:34,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 104 transitions. [2019-10-22 11:23:34,760 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 104 transitions. Word has length 22 [2019-10-22 11:23:34,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:34,760 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 104 transitions. [2019-10-22 11:23:34,760 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:23:34,761 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2019-10-22 11:23:34,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:23:34,761 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:34,761 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 11:23:34,762 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:34,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:34,762 INFO L82 PathProgramCache]: Analyzing trace with hash -1823541737, now seen corresponding path program 1 times [2019-10-22 11:23:34,762 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:34,763 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462401658] [2019-10-22 11:23:34,763 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:34,763 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:34,763 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:34,819 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 11:23:34,819 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462401658] [2019-10-22 11:23:34,819 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:34,819 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:23:34,820 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054619041] [2019-10-22 11:23:34,820 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:34,820 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:34,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:34,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:34,821 INFO L87 Difference]: Start difference. First operand 71 states and 104 transitions. Second operand 3 states. [2019-10-22 11:23:34,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:34,872 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions. [2019-10-22 11:23:34,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:34,872 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-10-22 11:23:34,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:34,873 INFO L225 Difference]: With dead ends: 145 [2019-10-22 11:23:34,873 INFO L226 Difference]: Without dead ends: 80 [2019-10-22 11:23:34,874 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 11:23:34,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2019-10-22 11:23:34,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2019-10-22 11:23:34,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-10-22 11:23:34,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 110 transitions. [2019-10-22 11:23:34,892 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 110 transitions. Word has length 25 [2019-10-22 11:23:34,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:34,893 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 110 transitions. [2019-10-22 11:23:34,893 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:34,893 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2019-10-22 11:23:34,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-22 11:23:34,894 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:34,894 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 11:23:34,895 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:34,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:34,895 INFO L82 PathProgramCache]: Analyzing trace with hash -920121944, now seen corresponding path program 1 times [2019-10-22 11:23:34,895 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:34,895 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068192532] [2019-10-22 11:23:34,896 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:34,896 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:34,896 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:34,956 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 11:23:34,957 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068192532] [2019-10-22 11:23:34,957 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:34,957 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:23:34,957 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329055011] [2019-10-22 11:23:34,958 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:23:34,958 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:34,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:23:34,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:34,959 INFO L87 Difference]: Start difference. First operand 78 states and 110 transitions. Second operand 5 states. [2019-10-22 11:23:35,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:35,056 INFO L93 Difference]: Finished difference Result 204 states and 285 transitions. [2019-10-22 11:23:35,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:23:35,057 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-10-22 11:23:35,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:35,058 INFO L225 Difference]: With dead ends: 204 [2019-10-22 11:23:35,058 INFO L226 Difference]: Without dead ends: 132 [2019-10-22 11:23:35,059 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 11:23:35,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2019-10-22 11:23:35,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 87. [2019-10-22 11:23:35,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-10-22 11:23:35,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2019-10-22 11:23:35,069 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 31 [2019-10-22 11:23:35,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:35,070 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2019-10-22 11:23:35,070 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:23:35,070 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2019-10-22 11:23:35,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-22 11:23:35,071 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:35,071 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 11:23:35,071 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:35,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:35,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1742389099, now seen corresponding path program 1 times [2019-10-22 11:23:35,072 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:35,072 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230516489] [2019-10-22 11:23:35,072 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:35,073 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:35,073 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:35,183 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 11:23:35,183 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230516489] [2019-10-22 11:23:35,183 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:35,183 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:35,184 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627848053] [2019-10-22 11:23:35,184 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:23:35,184 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:35,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:23:35,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:35,185 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand 5 states. [2019-10-22 11:23:35,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:35,297 INFO L93 Difference]: Finished difference Result 300 states and 417 transitions. [2019-10-22 11:23:35,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:23:35,298 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-10-22 11:23:35,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:35,300 INFO L225 Difference]: With dead ends: 300 [2019-10-22 11:23:35,300 INFO L226 Difference]: Without dead ends: 219 [2019-10-22 11:23:35,300 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:23:35,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2019-10-22 11:23:35,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 131. [2019-10-22 11:23:35,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-10-22 11:23:35,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 176 transitions. [2019-10-22 11:23:35,316 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 176 transitions. Word has length 31 [2019-10-22 11:23:35,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:35,316 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 176 transitions. [2019-10-22 11:23:35,316 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:23:35,316 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 176 transitions. [2019-10-22 11:23:35,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 11:23:35,317 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:35,318 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:35,318 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:35,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:35,318 INFO L82 PathProgramCache]: Analyzing trace with hash -370370771, now seen corresponding path program 1 times [2019-10-22 11:23:35,319 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:35,319 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885576895] [2019-10-22 11:23:35,319 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:35,319 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:35,319 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:35,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:35,394 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 11:23:35,394 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885576895] [2019-10-22 11:23:35,395 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:35,395 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:35,395 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873683926] [2019-10-22 11:23:35,396 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:23:35,397 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:35,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:23:35,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:35,397 INFO L87 Difference]: Start difference. First operand 131 states and 176 transitions. Second operand 5 states. [2019-10-22 11:23:35,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:35,605 INFO L93 Difference]: Finished difference Result 294 states and 401 transitions. [2019-10-22 11:23:35,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:23:35,605 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-10-22 11:23:35,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:35,607 INFO L225 Difference]: With dead ends: 294 [2019-10-22 11:23:35,607 INFO L226 Difference]: Without dead ends: 292 [2019-10-22 11:23:35,607 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:23:35,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2019-10-22 11:23:35,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 131. [2019-10-22 11:23:35,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-10-22 11:23:35,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 175 transitions. [2019-10-22 11:23:35,633 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 175 transitions. Word has length 32 [2019-10-22 11:23:35,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:35,634 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 175 transitions. [2019-10-22 11:23:35,634 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:23:35,634 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 175 transitions. [2019-10-22 11:23:35,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 11:23:35,635 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:35,635 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:35,637 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:35,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:35,637 INFO L82 PathProgramCache]: Analyzing trace with hash 869058472, now seen corresponding path program 1 times [2019-10-22 11:23:35,638 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:35,638 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119645925] [2019-10-22 11:23:35,638 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:35,638 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:35,638 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:35,697 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 11:23:35,697 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119645925] [2019-10-22 11:23:35,697 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:35,698 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:23:35,698 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878930050] [2019-10-22 11:23:35,698 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:23:35,698 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:35,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:23:35,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:23:35,699 INFO L87 Difference]: Start difference. First operand 131 states and 175 transitions. Second operand 6 states. [2019-10-22 11:23:35,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:35,794 INFO L93 Difference]: Finished difference Result 310 states and 413 transitions. [2019-10-22 11:23:35,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 11:23:35,794 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-10-22 11:23:35,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:35,795 INFO L225 Difference]: With dead ends: 310 [2019-10-22 11:23:35,795 INFO L226 Difference]: Without dead ends: 185 [2019-10-22 11:23:35,796 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:23:35,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2019-10-22 11:23:35,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 118. [2019-10-22 11:23:35,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-10-22 11:23:35,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 154 transitions. [2019-10-22 11:23:35,806 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 154 transitions. Word has length 32 [2019-10-22 11:23:35,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:35,806 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 154 transitions. [2019-10-22 11:23:35,807 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:23:35,807 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 154 transitions. [2019-10-22 11:23:35,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 11:23:35,812 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:35,812 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:35,813 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:35,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:35,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1127223910, now seen corresponding path program 1 times [2019-10-22 11:23:35,813 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:35,813 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878297217] [2019-10-22 11:23:35,813 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:35,814 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:35,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:35,853 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 11:23:35,853 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878297217] [2019-10-22 11:23:35,853 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:35,853 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:23:35,853 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759592915] [2019-10-22 11:23:35,854 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:23:35,854 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:35,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:23:35,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:35,854 INFO L87 Difference]: Start difference. First operand 118 states and 154 transitions. Second operand 5 states. [2019-10-22 11:23:35,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:35,974 INFO L93 Difference]: Finished difference Result 331 states and 441 transitions. [2019-10-22 11:23:35,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:23:35,974 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-10-22 11:23:35,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:35,976 INFO L225 Difference]: With dead ends: 331 [2019-10-22 11:23:35,976 INFO L226 Difference]: Without dead ends: 244 [2019-10-22 11:23:35,976 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:23:35,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2019-10-22 11:23:35,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 163. [2019-10-22 11:23:35,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2019-10-22 11:23:35,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 210 transitions. [2019-10-22 11:23:35,991 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 210 transitions. Word has length 32 [2019-10-22 11:23:35,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:35,992 INFO L462 AbstractCegarLoop]: Abstraction has 163 states and 210 transitions. [2019-10-22 11:23:35,992 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:23:35,992 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 210 transitions. [2019-10-22 11:23:35,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-22 11:23:35,993 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:35,993 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] [2019-10-22 11:23:35,994 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:35,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:35,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1559042752, now seen corresponding path program 1 times [2019-10-22 11:23:35,994 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:35,994 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552863935] [2019-10-22 11:23:35,995 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:35,995 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:35,995 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:36,053 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 11:23:36,053 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552863935] [2019-10-22 11:23:36,054 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649230767] [2019-10-22 11:23:36,054 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/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 11:23:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:36,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 11:23:36,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:36,190 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 11:23:36,195 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:36,222 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 11:23:36,224 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [721411115] [2019-10-22 11:23:36,229 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 58 [2019-10-22 11:23:36,282 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2019-10-22 11:23:36,282 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-22 11:23:36,723 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:23:36,724 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 11:23:36,730 INFO L168 Benchmark]: Toolchain (without parser) took 4557.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 939.2 MB in the beginning and 963.5 MB in the end (delta: -24.3 MB). Peak memory consumption was 114.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:36,730 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:36,731 INFO L168 Benchmark]: CACSL2BoogieTranslator took 502.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -183.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:36,731 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.31 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 11:23:36,733 INFO L168 Benchmark]: Boogie Preprocessor took 74.70 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:36,734 INFO L168 Benchmark]: RCFGBuilder took 1093.65 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: 81.5 MB). Peak memory consumption was 81.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:36,734 INFO L168 Benchmark]: TraceAbstraction took 2770.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 963.5 MB in the end (delta: 65.8 MB). Peak memory consumption was 65.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:36,737 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 502.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -183.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 112.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 74.70 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1093.65 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: 81.5 MB). Peak memory consumption was 81.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2770.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 963.5 MB in the end (delta: 65.8 MB). Peak memory consumption was 65.8 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 11:23:38,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:38,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:39,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:39,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:39,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:39,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:39,004 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:39,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:39,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:39,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:39,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:39,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:39,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:39,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:39,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:39,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:39,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:39,014 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:39,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:39,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:39,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:39,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:39,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:39,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:39,022 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:39,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:39,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:39,023 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:39,024 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:39,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:39,025 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:39,026 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:39,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:39,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:39,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:39,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:39,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:39,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:39,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:39,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:39,031 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:23:39,043 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:39,043 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:39,044 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:39,044 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:39,045 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:39,045 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:39,045 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:39,045 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:39,045 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:39,046 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:39,046 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:23:39,046 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:23:39,046 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:39,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:23:39,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:39,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:23:39,047 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:23:39,047 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:23:39,047 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:23:39,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:23:39,048 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:23:39,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:23:39,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:39,049 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:39,049 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:39,049 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:39,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:39,049 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:39,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:39,050 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:23:39,050 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:23:39,050 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:23:39,050 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:23:39,050 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:39,050 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_245d9066-4e48-41c6-a12a-b3035ff5ec53/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 -> 2d2a2b756a74af71e6c6aa0a16e78dafb1256d78 [2019-10-22 11:23:39,079 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:39,090 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:39,097 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:39,098 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:39,098 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:39,099 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c [2019-10-22 11:23:39,153 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/bin/utaipan/data/94b447510/537100f867ec47abbcf1826ea57375a6/FLAG9744544af [2019-10-22 11:23:39,643 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:23:39,647 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c [2019-10-22 11:23:39,659 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/bin/utaipan/data/94b447510/537100f867ec47abbcf1826ea57375a6/FLAG9744544af [2019-10-22 11:23:39,924 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/bin/utaipan/data/94b447510/537100f867ec47abbcf1826ea57375a6 [2019-10-22 11:23:39,926 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:23:39,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:23:39,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:39,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:23:39,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:23:39,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:39" (1/1) ... [2019-10-22 11:23:39,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c54aa9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:39, skipping insertion in model container [2019-10-22 11:23:39,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:39" (1/1) ... [2019-10-22 11:23:39,944 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:23:39,990 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:23:40,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:40,423 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:23:40,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:40,612 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:23:40,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:40 WrapperNode [2019-10-22 11:23:40,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:40,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:40,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:23:40,613 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:23:40,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:40" (1/1) ... [2019-10-22 11:23:40,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:40" (1/1) ... [2019-10-22 11:23:40,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:40,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:23:40,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:23:40,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:23:40,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:40" (1/1) ... [2019-10-22 11:23:40,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:40" (1/1) ... [2019-10-22 11:23:40,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:40" (1/1) ... [2019-10-22 11:23:40,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:40" (1/1) ... [2019-10-22 11:23:40,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:40" (1/1) ... [2019-10-22 11:23:40,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:40" (1/1) ... [2019-10-22 11:23:40,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:40" (1/1) ... [2019-10-22 11:23:40,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:23:40,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:23:40,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:23:40,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:23:40,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/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 11:23:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:23:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-10-22 11:23:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:23:40,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:23:42,677 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:23:42,678 INFO L284 CfgBuilder]: Removed 278 assume(true) statements. [2019-10-22 11:23:42,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:42 BoogieIcfgContainer [2019-10-22 11:23:42,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:23:42,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:23:42,682 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:23:42,687 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:23:42,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:23:39" (1/3) ... [2019-10-22 11:23:42,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f69b062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:42, skipping insertion in model container [2019-10-22 11:23:42,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:40" (2/3) ... [2019-10-22 11:23:42,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f69b062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:42, skipping insertion in model container [2019-10-22 11:23:42,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:42" (3/3) ... [2019-10-22 11:23:42,693 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product54.cil.c [2019-10-22 11:23:42,709 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:23:42,742 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:23:42,760 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:23:42,802 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:23:42,802 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:23:42,802 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:23:42,803 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:23:42,803 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:23:42,804 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:23:42,804 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:23:42,804 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:23:42,832 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2019-10-22 11:23:42,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:23:42,854 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:42,856 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:42,859 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:42,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:42,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1439730149, now seen corresponding path program 1 times [2019-10-22 11:23:42,892 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:23:42,893 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1089690885] [2019-10-22 11:23:42,893 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/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 11:23:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:43,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2019-10-22 11:23:43,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:43,225 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 11:23:43,226 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:43,234 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 11:23:43,240 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1089690885] [2019-10-22 11:23:43,241 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:43,242 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-10-22 11:23:43,242 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423818527] [2019-10-22 11:23:43,250 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:23:43,250 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:23:43,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:23:43,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:23:43,273 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 2 states. [2019-10-22 11:23:43,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:43,327 INFO L93 Difference]: Finished difference Result 372 states and 569 transitions. [2019-10-22 11:23:43,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:23:43,329 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:23:43,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:43,347 INFO L225 Difference]: With dead ends: 372 [2019-10-22 11:23:43,347 INFO L226 Difference]: Without dead ends: 185 [2019-10-22 11:23:43,352 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 11:23:43,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2019-10-22 11:23:43,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2019-10-22 11:23:43,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2019-10-22 11:23:43,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 276 transitions. [2019-10-22 11:23:43,421 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 276 transitions. Word has length 16 [2019-10-22 11:23:43,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:43,422 INFO L462 AbstractCegarLoop]: Abstraction has 185 states and 276 transitions. [2019-10-22 11:23:43,422 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:23:43,422 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 276 transitions. [2019-10-22 11:23:43,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:23:43,424 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:43,424 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 11:23:43,625 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:23:43,626 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:43,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:43,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1808480250, now seen corresponding path program 1 times [2019-10-22 11:23:43,628 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:23:43,628 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [736345366] [2019-10-22 11:23:43,629 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/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 11:23:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:43,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:23:43,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:43,876 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 11:23:43,877 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:43,888 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 11:23:43,889 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [736345366] [2019-10-22 11:23:43,889 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:43,890 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-10-22 11:23:43,890 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951776760] [2019-10-22 11:23:43,892 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:43,893 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:23:43,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:43,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:43,894 INFO L87 Difference]: Start difference. First operand 185 states and 276 transitions. Second operand 4 states. [2019-10-22 11:23:44,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:44,003 INFO L93 Difference]: Finished difference Result 364 states and 546 transitions. [2019-10-22 11:23:44,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:44,004 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-10-22 11:23:44,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:44,006 INFO L225 Difference]: With dead ends: 364 [2019-10-22 11:23:44,007 INFO L226 Difference]: Without dead ends: 185 [2019-10-22 11:23:44,008 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 11:23:44,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2019-10-22 11:23:44,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2019-10-22 11:23:44,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2019-10-22 11:23:44,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 273 transitions. [2019-10-22 11:23:44,060 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 273 transitions. Word has length 17 [2019-10-22 11:23:44,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:44,060 INFO L462 AbstractCegarLoop]: Abstraction has 185 states and 273 transitions. [2019-10-22 11:23:44,061 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:44,061 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 273 transitions. [2019-10-22 11:23:44,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 11:23:44,062 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:44,062 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 11:23:44,263 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:23:44,264 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:44,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:44,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1176400251, now seen corresponding path program 1 times [2019-10-22 11:23:44,266 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:23:44,267 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1975248491] [2019-10-22 11:23:44,267 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/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 11:23:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:44,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:23:44,492 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:44,502 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 11:23:44,502 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:44,505 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 11:23:44,506 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1975248491] [2019-10-22 11:23:44,506 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:44,506 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-10-22 11:23:44,506 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213074047] [2019-10-22 11:23:44,507 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:44,507 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:23:44,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:44,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:44,512 INFO L87 Difference]: Start difference. First operand 185 states and 273 transitions. Second operand 3 states. [2019-10-22 11:23:44,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:44,777 INFO L93 Difference]: Finished difference Result 375 states and 549 transitions. [2019-10-22 11:23:44,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:44,778 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-10-22 11:23:44,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:44,780 INFO L225 Difference]: With dead ends: 375 [2019-10-22 11:23:44,780 INFO L226 Difference]: Without dead ends: 196 [2019-10-22 11:23:44,781 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 11:23:44,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2019-10-22 11:23:44,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 190. [2019-10-22 11:23:44,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2019-10-22 11:23:44,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 264 transitions. [2019-10-22 11:23:44,806 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 264 transitions. Word has length 20 [2019-10-22 11:23:44,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:44,806 INFO L462 AbstractCegarLoop]: Abstraction has 190 states and 264 transitions. [2019-10-22 11:23:44,807 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:44,807 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 264 transitions. [2019-10-22 11:23:44,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 11:23:44,808 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:44,808 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 11:23:45,009 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:23:45,010 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:45,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:45,011 INFO L82 PathProgramCache]: Analyzing trace with hash -238979047, now seen corresponding path program 1 times [2019-10-22 11:23:45,012 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:23:45,012 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1223862653] [2019-10-22 11:23:45,012 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/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 11:23:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:45,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 11:23:45,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:45,232 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 11:23:45,233 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:45,286 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 11:23:45,290 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1223862653] [2019-10-22 11:23:45,290 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:45,290 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-10-22 11:23:45,290 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218375737] [2019-10-22 11:23:45,291 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 11:23:45,291 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:23:45,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 11:23:45,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:23:45,292 INFO L87 Difference]: Start difference. First operand 190 states and 264 transitions. Second operand 8 states. [2019-10-22 11:23:46,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:46,350 INFO L93 Difference]: Finished difference Result 1308 states and 1851 transitions. [2019-10-22 11:23:46,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-22 11:23:46,352 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2019-10-22 11:23:46,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:46,357 INFO L225 Difference]: With dead ends: 1308 [2019-10-22 11:23:46,358 INFO L226 Difference]: Without dead ends: 1124 [2019-10-22 11:23:46,359 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 11:23:46,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2019-10-22 11:23:46,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 445. [2019-10-22 11:23:46,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2019-10-22 11:23:46,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 603 transitions. [2019-10-22 11:23:46,438 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 603 transitions. Word has length 26 [2019-10-22 11:23:46,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:46,438 INFO L462 AbstractCegarLoop]: Abstraction has 445 states and 603 transitions. [2019-10-22 11:23:46,439 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 11:23:46,439 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 603 transitions. [2019-10-22 11:23:46,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-22 11:23:46,443 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:46,443 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] [2019-10-22 11:23:46,644 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:23:46,644 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:46,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:46,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1164398125, now seen corresponding path program 1 times [2019-10-22 11:23:46,645 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:23:46,645 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1118531526] [2019-10-22 11:23:46,645 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/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 11:23:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:46,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:23:46,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:46,806 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 11:23:46,807 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:46,811 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 11:23:46,811 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1118531526] [2019-10-22 11:23:46,811 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:46,812 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-10-22 11:23:46,812 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147040894] [2019-10-22 11:23:46,812 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:23:46,812 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:23:46,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:23:46,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:46,813 INFO L87 Difference]: Start difference. First operand 445 states and 603 transitions. Second operand 5 states. [2019-10-22 11:23:47,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:47,077 INFO L93 Difference]: Finished difference Result 1191 states and 1572 transitions. [2019-10-22 11:23:47,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:23:47,077 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2019-10-22 11:23:47,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:47,080 INFO L225 Difference]: With dead ends: 1191 [2019-10-22 11:23:47,080 INFO L226 Difference]: Without dead ends: 752 [2019-10-22 11:23:47,082 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 77 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 11:23:47,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2019-10-22 11:23:47,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 508. [2019-10-22 11:23:47,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 508 states. [2019-10-22 11:23:47,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 666 transitions. [2019-10-22 11:23:47,127 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 666 transitions. Word has length 40 [2019-10-22 11:23:47,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:47,127 INFO L462 AbstractCegarLoop]: Abstraction has 508 states and 666 transitions. [2019-10-22 11:23:47,128 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:23:47,128 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 666 transitions. [2019-10-22 11:23:47,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-22 11:23:47,130 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:47,130 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] [2019-10-22 11:23:47,331 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:23:47,332 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:47,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:47,332 INFO L82 PathProgramCache]: Analyzing trace with hash -1298411631, now seen corresponding path program 1 times [2019-10-22 11:23:47,333 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:23:47,333 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [881445817] [2019-10-22 11:23:47,333 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/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 11:23:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:47,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:23:47,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:47,531 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 11:23:47,531 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:47,559 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 11:23:47,559 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [881445817] [2019-10-22 11:23:47,559 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:47,559 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-10-22 11:23:47,562 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085864992] [2019-10-22 11:23:47,563 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:23:47,563 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:23:47,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:23:47,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:23:47,564 INFO L87 Difference]: Start difference. First operand 508 states and 666 transitions. Second operand 6 states. [2019-10-22 11:23:47,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:47,782 INFO L93 Difference]: Finished difference Result 1154 states and 1491 transitions. [2019-10-22 11:23:47,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:23:47,782 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2019-10-22 11:23:47,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:47,784 INFO L225 Difference]: With dead ends: 1154 [2019-10-22 11:23:47,785 INFO L226 Difference]: Without dead ends: 612 [2019-10-22 11:23:47,786 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 75 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 11:23:47,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2019-10-22 11:23:47,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 424. [2019-10-22 11:23:47,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2019-10-22 11:23:47,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 548 transitions. [2019-10-22 11:23:47,825 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 548 transitions. Word has length 40 [2019-10-22 11:23:47,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:47,826 INFO L462 AbstractCegarLoop]: Abstraction has 424 states and 548 transitions. [2019-10-22 11:23:47,826 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:23:47,826 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 548 transitions. [2019-10-22 11:23:47,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 11:23:47,827 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:47,827 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] [2019-10-22 11:23:48,029 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:23:48,030 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:48,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:48,030 INFO L82 PathProgramCache]: Analyzing trace with hash 690252076, now seen corresponding path program 1 times [2019-10-22 11:23:48,030 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:23:48,030 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1413955561] [2019-10-22 11:23:48,031 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/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 11:23:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:48,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:23:48,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:48,187 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 11:23:48,187 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:48,191 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 11:23:48,192 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1413955561] [2019-10-22 11:23:48,192 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:48,192 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-10-22 11:23:48,192 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855351388] [2019-10-22 11:23:48,193 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:48,193 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:23:48,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:48,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:48,193 INFO L87 Difference]: Start difference. First operand 424 states and 548 transitions. Second operand 3 states. [2019-10-22 11:23:48,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:48,213 INFO L93 Difference]: Finished difference Result 424 states and 548 transitions. [2019-10-22 11:23:48,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:48,214 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2019-10-22 11:23:48,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:48,215 INFO L225 Difference]: With dead ends: 424 [2019-10-22 11:23:48,215 INFO L226 Difference]: Without dead ends: 182 [2019-10-22 11:23:48,216 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 87 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 11:23:48,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2019-10-22 11:23:48,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2019-10-22 11:23:48,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2019-10-22 11:23:48,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 240 transitions. [2019-10-22 11:23:48,231 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 240 transitions. Word has length 45 [2019-10-22 11:23:48,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:48,232 INFO L462 AbstractCegarLoop]: Abstraction has 182 states and 240 transitions. [2019-10-22 11:23:48,232 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:48,232 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 240 transitions. [2019-10-22 11:23:48,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-22 11:23:48,233 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:48,233 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] [2019-10-22 11:23:48,434 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:23:48,434 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:48,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:48,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1786964048, now seen corresponding path program 1 times [2019-10-22 11:23:48,435 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:23:48,435 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1038009988] [2019-10-22 11:23:48,435 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/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 11:23:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:48,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-22 11:23:48,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:48,607 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 11:23:48,607 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:48,614 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 11:23:48,615 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1038009988] [2019-10-22 11:23:48,615 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:48,615 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-10-22 11:23:48,615 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781207249] [2019-10-22 11:23:48,616 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:23:48,616 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:23:48,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:23:48,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:23:48,617 INFO L87 Difference]: Start difference. First operand 182 states and 240 transitions. Second operand 6 states. [2019-10-22 11:23:48,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:48,806 INFO L93 Difference]: Finished difference Result 872 states and 1186 transitions. [2019-10-22 11:23:48,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-22 11:23:48,807 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2019-10-22 11:23:48,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:48,810 INFO L225 Difference]: With dead ends: 872 [2019-10-22 11:23:48,810 INFO L226 Difference]: Without dead ends: 696 [2019-10-22 11:23:48,811 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2019-10-22 11:23:48,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2019-10-22 11:23:48,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 356. [2019-10-22 11:23:48,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2019-10-22 11:23:48,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 466 transitions. [2019-10-22 11:23:48,860 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 466 transitions. Word has length 50 [2019-10-22 11:23:48,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:48,860 INFO L462 AbstractCegarLoop]: Abstraction has 356 states and 466 transitions. [2019-10-22 11:23:48,860 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:23:48,860 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 466 transitions. [2019-10-22 11:23:48,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-22 11:23:48,861 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:48,862 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] [2019-10-22 11:23:49,062 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:23:49,063 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:49,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:49,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1138581304, now seen corresponding path program 1 times [2019-10-22 11:23:49,063 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:23:49,064 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1308345342] [2019-10-22 11:23:49,064 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/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 11:23:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:49,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:23:49,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:49,237 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 11:23:49,237 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:49,243 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 11:23:49,244 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1308345342] [2019-10-22 11:23:49,244 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:49,244 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-10-22 11:23:49,244 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199902658] [2019-10-22 11:23:49,245 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:23:49,245 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:23:49,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:23:49,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:49,248 INFO L87 Difference]: Start difference. First operand 356 states and 466 transitions. Second operand 5 states. [2019-10-22 11:23:49,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:49,536 INFO L93 Difference]: Finished difference Result 962 states and 1267 transitions. [2019-10-22 11:23:49,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:23:49,538 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-10-22 11:23:49,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:49,541 INFO L225 Difference]: With dead ends: 962 [2019-10-22 11:23:49,542 INFO L226 Difference]: Without dead ends: 960 [2019-10-22 11:23:49,542 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 100 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 11:23:49,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2019-10-22 11:23:49,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 356. [2019-10-22 11:23:49,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2019-10-22 11:23:49,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 464 transitions. [2019-10-22 11:23:49,588 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 464 transitions. Word has length 51 [2019-10-22 11:23:49,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:49,588 INFO L462 AbstractCegarLoop]: Abstraction has 356 states and 464 transitions. [2019-10-22 11:23:49,588 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:23:49,589 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 464 transitions. [2019-10-22 11:23:49,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-22 11:23:49,590 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:49,590 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] [2019-10-22 11:23:49,791 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:23:49,791 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:49,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:49,791 INFO L82 PathProgramCache]: Analyzing trace with hash 1559042752, now seen corresponding path program 1 times [2019-10-22 11:23:49,792 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:23:49,792 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [847162796] [2019-10-22 11:23:49,792 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/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 11:23:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:49,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-22 11:23:49,957 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:50,007 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 11:23:50,007 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:50,053 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 11:23:50,053 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [847162796] [2019-10-22 11:23:50,054 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592556779] [2019-10-22 11:23:50,054 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/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 11:23:50,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:50,158 INFO L256 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-22 11:23:50,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:50,178 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 11:23:50,179 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:50,188 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 11:23:50,188 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-22 11:23:50,188 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5] total 10 [2019-10-22 11:23:50,188 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038174821] [2019-10-22 11:23:50,189 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-22 11:23:50,189 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:23:50,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-22 11:23:50,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2019-10-22 11:23:50,190 INFO L87 Difference]: Start difference. First operand 356 states and 464 transitions. Second operand 11 states. [2019-10-22 11:23:51,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:51,237 INFO L93 Difference]: Finished difference Result 2467 states and 3257 transitions. [2019-10-22 11:23:51,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-10-22 11:23:51,237 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 57 [2019-10-22 11:23:51,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:51,244 INFO L225 Difference]: With dead ends: 2467 [2019-10-22 11:23:51,244 INFO L226 Difference]: Without dead ends: 2167 [2019-10-22 11:23:51,246 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 214 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=228, Invalid=702, Unknown=0, NotChecked=0, Total=930 [2019-10-22 11:23:51,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2167 states. [2019-10-22 11:23:51,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2167 to 640. [2019-10-22 11:23:51,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2019-10-22 11:23:51,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 848 transitions. [2019-10-22 11:23:51,320 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 848 transitions. Word has length 57 [2019-10-22 11:23:51,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:51,320 INFO L462 AbstractCegarLoop]: Abstraction has 640 states and 848 transitions. [2019-10-22 11:23:51,320 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-22 11:23:51,320 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 848 transitions. [2019-10-22 11:23:51,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-10-22 11:23:51,321 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:51,321 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] [2019-10-22 11:23:51,722 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 11:23:51,723 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:51,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:51,723 INFO L82 PathProgramCache]: Analyzing trace with hash 852511654, now seen corresponding path program 2 times [2019-10-22 11:23:51,723 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:23:51,723 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1783271042] [2019-10-22 11:23:51,723 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/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 11:23:54,061 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-22 11:23:54,061 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-22 11:23:54,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-22 11:23:54,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:54,126 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:23:54,153 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 11:23:54,154 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:54,196 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 11:23:54,197 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1783271042] [2019-10-22 11:23:54,197 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:54,197 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2019-10-22 11:23:54,197 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497110081] [2019-10-22 11:23:54,198 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 11:23:54,198 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:23:54,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 11:23:54,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:23:54,198 INFO L87 Difference]: Start difference. First operand 640 states and 848 transitions. Second operand 9 states. [2019-10-22 11:23:55,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:55,557 INFO L93 Difference]: Finished difference Result 2870 states and 3793 transitions. [2019-10-22 11:23:55,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-22 11:23:55,558 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 82 [2019-10-22 11:23:55,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:55,566 INFO L225 Difference]: With dead ends: 2870 [2019-10-22 11:23:55,566 INFO L226 Difference]: Without dead ends: 2124 [2019-10-22 11:23:55,568 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=148, Invalid=314, Unknown=0, NotChecked=0, Total=462 [2019-10-22 11:23:55,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2124 states. [2019-10-22 11:23:55,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2124 to 780. [2019-10-22 11:23:55,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 780 states. [2019-10-22 11:23:55,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1013 transitions. [2019-10-22 11:23:55,688 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1013 transitions. Word has length 82 [2019-10-22 11:23:55,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:55,689 INFO L462 AbstractCegarLoop]: Abstraction has 780 states and 1013 transitions. [2019-10-22 11:23:55,689 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 11:23:55,689 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1013 transitions. [2019-10-22 11:23:55,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-10-22 11:23:55,690 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:55,690 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] [2019-10-22 11:23:55,890 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:23:55,891 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:55,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:55,891 INFO L82 PathProgramCache]: Analyzing trace with hash 458144868, now seen corresponding path program 1 times [2019-10-22 11:23:55,891 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:23:55,891 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [683357301] [2019-10-22 11:23:55,891 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/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 11:23:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:56,028 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-22 11:23:56,030 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:56,063 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 11:23:56,063 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:56,092 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 11:23:56,093 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [683357301] [2019-10-22 11:23:56,093 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:56,093 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 9 [2019-10-22 11:23:56,093 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385354417] [2019-10-22 11:23:56,093 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 11:23:56,094 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:23:56,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 11:23:56,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:23:56,094 INFO L87 Difference]: Start difference. First operand 780 states and 1013 transitions. Second operand 9 states. [2019-10-22 11:23:56,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:56,194 INFO L93 Difference]: Finished difference Result 1170 states and 1497 transitions. [2019-10-22 11:23:56,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:23:56,195 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 82 [2019-10-22 11:23:56,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:56,195 INFO L225 Difference]: With dead ends: 1170 [2019-10-22 11:23:56,195 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:23:56,196 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 157 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 11:23:56,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:23:56,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:23:56,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:23:56,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:23:56,197 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2019-10-22 11:23:56,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:56,197 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:23:56,197 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 11:23:56,197 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:23:56,197 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:23:56,398 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:23:56,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:23:56,688 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 94 [2019-10-22 11:23:57,034 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 171 [2019-10-22 11:23:57,299 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 175 [2019-10-22 11:23:57,563 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 177 [2019-10-22 11:23:57,796 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 162 [2019-10-22 11:23:58,041 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 177 [2019-10-22 11:23:58,447 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 28 [2019-10-22 11:23:58,807 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 34 [2019-10-22 11:23:59,679 WARN L191 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 44 [2019-10-22 11:24:00,606 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 41 [2019-10-22 11:24:01,147 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 27 [2019-10-22 11:24:01,919 WARN L191 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 36 [2019-10-22 11:24:02,191 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 37 [2019-10-22 11:24:02,785 WARN L191 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 35 [2019-10-22 11:24:02,972 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2019-10-22 11:24:03,632 WARN L191 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 36 [2019-10-22 11:24:04,117 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 34 [2019-10-22 11:24:04,133 INFO L443 ceAbstractionStarter]: For program point L466(lines 466 473) no Hoare annotation was computed. [2019-10-22 11:24:04,133 INFO L446 ceAbstractionStarter]: At program point L466-1(lines 466 473) the Hoare annotation is: true [2019-10-22 11:24:04,133 INFO L443 ceAbstractionStarter]: For program point L367(lines 367 373) no Hoare annotation was computed. [2019-10-22 11:24:04,133 INFO L443 ceAbstractionStarter]: For program point L334(lines 334 338) no Hoare annotation was computed. [2019-10-22 11:24:04,133 INFO L443 ceAbstractionStarter]: For program point L367-2(lines 367 373) no Hoare annotation was computed. [2019-10-22 11:24:04,133 INFO L443 ceAbstractionStarter]: For program point L334-2(lines 334 338) no Hoare annotation was computed. [2019-10-22 11:24:04,133 INFO L443 ceAbstractionStarter]: For program point L334-3(lines 334 338) no Hoare annotation was computed. [2019-10-22 11:24:04,133 INFO L443 ceAbstractionStarter]: For program point L367-4(lines 367 373) no Hoare annotation was computed. [2019-10-22 11:24:04,133 INFO L443 ceAbstractionStarter]: For program point L334-5(lines 334 338) no Hoare annotation was computed. [2019-10-22 11:24:04,134 INFO L439 ceAbstractionStarter]: At program point L136(lines 136 142) the Hoare annotation is: (let ((.cse2 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32))) (and .cse1 .cse2 .cse3)) (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2 .cse3 .cse0 (= (_ bv0 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1)))) .cse4) (and (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) (and .cse2 .cse3)) .cse4))) [2019-10-22 11:24:04,134 INFO L443 ceAbstractionStarter]: For program point L334-6(lines 334 338) no Hoare annotation was computed. [2019-10-22 11:24:04,134 INFO L439 ceAbstractionStarter]: At program point L103(lines 54 104) 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 11:24:04,134 INFO L439 ceAbstractionStarter]: At program point L136-1(lines 136 142) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1)) [2019-10-22 11:24:04,134 INFO L443 ceAbstractionStarter]: For program point L334-8(lines 334 338) no Hoare annotation was computed. [2019-10-22 11:24:04,134 INFO L439 ceAbstractionStarter]: At program point L136-2(lines 136 142) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:24:04,134 INFO L443 ceAbstractionStarter]: For program point L334-9(lines 334 338) no Hoare annotation was computed. [2019-10-22 11:24:04,134 INFO L443 ceAbstractionStarter]: For program point L334-11(lines 334 338) no Hoare annotation was computed. [2019-10-22 11:24:04,134 INFO L443 ceAbstractionStarter]: For program point L334-12(lines 334 338) no Hoare annotation was computed. [2019-10-22 11:24:04,135 INFO L443 ceAbstractionStarter]: For program point L929(lines 929 935) no Hoare annotation was computed. [2019-10-22 11:24:04,135 INFO L443 ceAbstractionStarter]: For program point L929-1(lines 929 935) no Hoare annotation was computed. [2019-10-22 11:24:04,135 INFO L443 ceAbstractionStarter]: For program point L334-14(lines 334 338) no Hoare annotation was computed. [2019-10-22 11:24:04,135 INFO L443 ceAbstractionStarter]: For program point L929-2(lines 929 935) no Hoare annotation was computed. [2019-10-22 11:24:04,135 INFO L443 ceAbstractionStarter]: For program point L334-15(lines 334 338) no Hoare annotation was computed. [2019-10-22 11:24:04,135 INFO L443 ceAbstractionStarter]: For program point L929-3(lines 929 935) no Hoare annotation was computed. [2019-10-22 11:24:04,135 INFO L443 ceAbstractionStarter]: For program point L929-4(lines 929 935) no Hoare annotation was computed. [2019-10-22 11:24:04,135 INFO L443 ceAbstractionStarter]: For program point L334-17(lines 334 338) no Hoare annotation was computed. [2019-10-22 11:24:04,135 INFO L443 ceAbstractionStarter]: For program point L929-5(lines 929 935) no Hoare annotation was computed. [2019-10-22 11:24:04,136 INFO L443 ceAbstractionStarter]: For program point L929-6(lines 929 935) no Hoare annotation was computed. [2019-10-22 11:24:04,136 INFO L443 ceAbstractionStarter]: For program point L929-7(lines 929 935) no Hoare annotation was computed. [2019-10-22 11:24:04,136 INFO L443 ceAbstractionStarter]: For program point L929-8(lines 929 935) no Hoare annotation was computed. [2019-10-22 11:24:04,136 INFO L443 ceAbstractionStarter]: For program point L929-9(lines 929 935) no Hoare annotation was computed. [2019-10-22 11:24:04,136 INFO L443 ceAbstractionStarter]: For program point L929-10(lines 929 935) no Hoare annotation was computed. [2019-10-22 11:24:04,136 INFO L443 ceAbstractionStarter]: For program point L929-11(lines 929 935) no Hoare annotation was computed. [2019-10-22 11:24:04,136 INFO L443 ceAbstractionStarter]: For program point L864(lines 864 868) no Hoare annotation was computed. [2019-10-22 11:24:04,137 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-10-22 11:24:04,137 INFO L439 ceAbstractionStarter]: At program point L75-1(lines 75 81) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse3 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and .cse0 (and (and (and .cse1 .cse2) .cse3) .cse4)) (and (and .cse3 (and .cse1 .cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))) .cse0) (and (and .cse4 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse3 .cse2) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) .cse0))) [2019-10-22 11:24:04,137 INFO L439 ceAbstractionStarter]: At program point L934(lines 925 938) the Hoare annotation is: false [2019-10-22 11:24:04,137 INFO L439 ceAbstractionStarter]: At program point L934-1(lines 925 938) 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)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2019-10-22 11:24:04,137 INFO L439 ceAbstractionStarter]: At program point L934-2(lines 925 938) the Hoare annotation is: false [2019-10-22 11:24:04,137 INFO L439 ceAbstractionStarter]: At program point L934-3(lines 925 938) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 .cse2 .cse3 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))) (and .cse0 (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) (and .cse1 .cse2 .cse3))))) [2019-10-22 11:24:04,137 INFO L439 ceAbstractionStarter]: At program point L934-4(lines 925 938) the Hoare annotation is: false [2019-10-22 11:24:04,138 INFO L439 ceAbstractionStarter]: At program point L934-5(lines 925 938) the Hoare annotation is: false [2019-10-22 11:24:04,138 INFO L439 ceAbstractionStarter]: At program point L934-6(lines 925 938) the Hoare annotation is: false [2019-10-22 11:24:04,138 INFO L439 ceAbstractionStarter]: At program point L934-7(lines 925 938) 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 11:24:04,138 INFO L439 ceAbstractionStarter]: At program point L934-8(lines 925 938) the Hoare annotation is: false [2019-10-22 11:24:04,138 INFO L439 ceAbstractionStarter]: At program point L934-9(lines 925 938) the Hoare annotation is: false [2019-10-22 11:24:04,138 INFO L439 ceAbstractionStarter]: At program point L934-10(lines 925 938) the Hoare annotation is: false [2019-10-22 11:24:04,138 INFO L439 ceAbstractionStarter]: At program point L934-11(lines 925 938) 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~6 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:24:04,139 INFO L439 ceAbstractionStarter]: At program point L340(lines 325 343) the Hoare annotation is: (and (= (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ 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)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2019-10-22 11:24:04,139 INFO L439 ceAbstractionStarter]: At program point L340-1(lines 325 343) the Hoare annotation is: false [2019-10-22 11:24:04,139 INFO L439 ceAbstractionStarter]: At program point L340-2(lines 325 343) the Hoare annotation is: false [2019-10-22 11:24:04,139 INFO L439 ceAbstractionStarter]: At program point L340-3(lines 325 343) the Hoare annotation is: false [2019-10-22 11:24:04,139 INFO L439 ceAbstractionStarter]: At program point L340-4(lines 325 343) the Hoare annotation is: false [2019-10-22 11:24:04,139 INFO L439 ceAbstractionStarter]: At program point L340-5(lines 325 343) the Hoare annotation is: false [2019-10-22 11:24:04,139 INFO L439 ceAbstractionStarter]: At program point L440(lines 436 442) 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 11:24:04,139 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2019-10-22 11:24:04,140 INFO L446 ceAbstractionStarter]: At program point L475(lines 456 478) the Hoare annotation is: true [2019-10-22 11:24:04,140 INFO L443 ceAbstractionStarter]: For program point L213(lines 213 230) no Hoare annotation was computed. [2019-10-22 11:24:04,141 INFO L443 ceAbstractionStarter]: For program point L213-1(lines 213 230) no Hoare annotation was computed. [2019-10-22 11:24:04,141 INFO L443 ceAbstractionStarter]: For program point L213-2(lines 213 230) no Hoare annotation was computed. [2019-10-22 11:24:04,141 INFO L443 ceAbstractionStarter]: For program point L876(lines 876 880) no Hoare annotation was computed. [2019-10-22 11:24:04,141 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:24:04,141 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:24:04,141 INFO L443 ceAbstractionStarter]: For program point L315-3(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:24:04,141 INFO L443 ceAbstractionStarter]: For program point L315-5(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:24:04,141 INFO L443 ceAbstractionStarter]: For program point L315-6(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:24:04,141 INFO L443 ceAbstractionStarter]: For program point L315-8(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:24:04,141 INFO L443 ceAbstractionStarter]: For program point L315-9(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:24:04,142 INFO L443 ceAbstractionStarter]: For program point L315-11(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:24:04,142 INFO L443 ceAbstractionStarter]: For program point L315-12(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:24:04,142 INFO L443 ceAbstractionStarter]: For program point L315-14(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:24:04,142 INFO L443 ceAbstractionStarter]: For program point L315-15(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:24:04,142 INFO L443 ceAbstractionStarter]: For program point L315-17(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:24:04,142 INFO L443 ceAbstractionStarter]: For program point L315-18(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:24:04,142 INFO L443 ceAbstractionStarter]: For program point L315-20(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:24:04,142 INFO L443 ceAbstractionStarter]: For program point L315-21(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:24:04,142 INFO L443 ceAbstractionStarter]: For program point L315-23(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:24:04,142 INFO L443 ceAbstractionStarter]: For program point L315-24(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:24:04,142 INFO L443 ceAbstractionStarter]: For program point L315-26(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:24:04,143 INFO L443 ceAbstractionStarter]: For program point L315-27(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:24:04,143 INFO L443 ceAbstractionStarter]: For program point L315-29(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:24:04,143 INFO L443 ceAbstractionStarter]: For program point L315-30(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:24:04,143 INFO L443 ceAbstractionStarter]: For program point L315-32(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:24:04,143 INFO L443 ceAbstractionStarter]: For program point L315-33(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:24:04,143 INFO L443 ceAbstractionStarter]: For program point L217(lines 217 225) no Hoare annotation was computed. [2019-10-22 11:24:04,143 INFO L443 ceAbstractionStarter]: For program point L217-1(lines 217 225) no Hoare annotation was computed. [2019-10-22 11:24:04,143 INFO L443 ceAbstractionStarter]: For program point L315-35(lines 315 319) no Hoare annotation was computed. [2019-10-22 11:24:04,143 INFO L443 ceAbstractionStarter]: For program point L217-2(lines 217 225) no Hoare annotation was computed. [2019-10-22 11:24:04,143 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-10-22 11:24:04,144 INFO L439 ceAbstractionStarter]: At program point L944(lines 939 947) 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)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2019-10-22 11:24:04,145 INFO L439 ceAbstractionStarter]: At program point L944-1(lines 939 947) the Hoare annotation is: false [2019-10-22 11:24:04,145 INFO L439 ceAbstractionStarter]: At program point L944-2(lines 939 947) the Hoare annotation is: false [2019-10-22 11:24:04,145 INFO L439 ceAbstractionStarter]: At program point L944-3(lines 939 947) the Hoare annotation is: false [2019-10-22 11:24:04,145 INFO L439 ceAbstractionStarter]: At program point L944-4(lines 939 947) the Hoare annotation is: false [2019-10-22 11:24:04,145 INFO L439 ceAbstractionStarter]: At program point L944-5(lines 939 947) the Hoare annotation is: false [2019-10-22 11:24:04,145 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:24:04,145 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 204) no Hoare annotation was computed. [2019-10-22 11:24:04,145 INFO L443 ceAbstractionStarter]: For program point L187-1(lines 187 204) no Hoare annotation was computed. [2019-10-22 11:24:04,145 INFO L443 ceAbstractionStarter]: For program point L187-2(lines 187 204) no Hoare annotation was computed. [2019-10-22 11:24:04,145 INFO L443 ceAbstractionStarter]: For program point L187-3(lines 187 204) no Hoare annotation was computed. [2019-10-22 11:24:04,145 INFO L443 ceAbstractionStarter]: For program point L187-4(lines 187 204) no Hoare annotation was computed. [2019-10-22 11:24:04,146 INFO L443 ceAbstractionStarter]: For program point L187-5(lines 187 204) no Hoare annotation was computed. [2019-10-22 11:24:04,146 INFO L439 ceAbstractionStarter]: At program point L980(lines 1 991) 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 11:24:04,146 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2019-10-22 11:24:04,146 INFO L443 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-10-22 11:24:04,146 INFO L439 ceAbstractionStarter]: At program point L321(lines 306 324) the Hoare annotation is: false [2019-10-22 11:24:04,146 INFO L439 ceAbstractionStarter]: At program point L321-1(lines 306 324) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) (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)) (= |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|) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2019-10-22 11:24:04,146 INFO L439 ceAbstractionStarter]: At program point L321-2(lines 306 324) the Hoare annotation is: false [2019-10-22 11:24:04,147 INFO L439 ceAbstractionStarter]: At program point L321-3(lines 306 324) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse3 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))) (and .cse0 (and (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32)) (and .cse1 .cse2 .cse3))))) [2019-10-22 11:24:04,147 INFO L439 ceAbstractionStarter]: At program point L321-4(lines 306 324) the Hoare annotation is: false [2019-10-22 11:24:04,147 INFO L439 ceAbstractionStarter]: At program point L321-5(lines 306 324) the Hoare annotation is: false [2019-10-22 11:24:04,147 INFO L439 ceAbstractionStarter]: At program point L321-6(lines 306 324) the Hoare annotation is: false [2019-10-22 11:24:04,147 INFO L439 ceAbstractionStarter]: At program point L321-7(lines 306 324) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= |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 11:24:04,147 INFO L443 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2019-10-22 11:24:04,147 INFO L439 ceAbstractionStarter]: At program point L321-8(lines 306 324) the Hoare annotation is: false [2019-10-22 11:24:04,147 INFO L439 ceAbstractionStarter]: At program point L321-9(lines 306 324) the Hoare annotation is: false [2019-10-22 11:24:04,148 INFO L439 ceAbstractionStarter]: At program point L321-10(lines 306 324) the Hoare annotation is: false [2019-10-22 11:24:04,148 INFO L439 ceAbstractionStarter]: At program point L321-11(lines 306 324) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= |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~6 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:24:04,149 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:24:04,149 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2019-10-22 11:24:04,149 INFO L439 ceAbstractionStarter]: At program point L257(lines 250 260) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2019-10-22 11:24:04,149 INFO L439 ceAbstractionStarter]: At program point L257-1(lines 250 260) the Hoare annotation is: false [2019-10-22 11:24:04,149 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 199) no Hoare annotation was computed. [2019-10-22 11:24:04,149 INFO L439 ceAbstractionStarter]: At program point L257-2(lines 250 260) the Hoare annotation is: false [2019-10-22 11:24:04,149 INFO L443 ceAbstractionStarter]: For program point L191-1(lines 191 199) no Hoare annotation was computed. [2019-10-22 11:24:04,149 INFO L443 ceAbstractionStarter]: For program point L191-2(lines 191 199) no Hoare annotation was computed. [2019-10-22 11:24:04,149 INFO L443 ceAbstractionStarter]: For program point L191-3(lines 191 199) no Hoare annotation was computed. [2019-10-22 11:24:04,150 INFO L443 ceAbstractionStarter]: For program point L191-4(lines 191 199) no Hoare annotation was computed. [2019-10-22 11:24:04,150 INFO L443 ceAbstractionStarter]: For program point L191-5(lines 191 199) no Hoare annotation was computed. [2019-10-22 11:24:04,150 INFO L443 ceAbstractionStarter]: For program point L852(lines 852 856) no Hoare annotation was computed. [2019-10-22 11:24:04,150 INFO L443 ceAbstractionStarter]: For program point L852-3(lines 852 856) no Hoare annotation was computed. [2019-10-22 11:24:04,150 INFO L443 ceAbstractionStarter]: For program point L852-6(lines 852 856) no Hoare annotation was computed. [2019-10-22 11:24:04,150 INFO L443 ceAbstractionStarter]: For program point L93(lines 93 97) no Hoare annotation was computed. [2019-10-22 11:24:04,151 INFO L439 ceAbstractionStarter]: At program point L93-2(lines 129 135) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse3 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and .cse0 (and (and (and .cse1 .cse2) .cse3) .cse4)) (and (and .cse3 (and .cse1 .cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))) .cse0) (and (and .cse4 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse3 .cse2) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) .cse0))) [2019-10-22 11:24:04,151 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:24:04,151 INFO L443 ceAbstractionStarter]: For program point L953(line 953) no Hoare annotation was computed. [2019-10-22 11:24:04,151 INFO L443 ceAbstractionStarter]: For program point L953-1(line 953) no Hoare annotation was computed. [2019-10-22 11:24:04,151 INFO L443 ceAbstractionStarter]: For program point L953-2(line 953) no Hoare annotation was computed. [2019-10-22 11:24:04,151 INFO L439 ceAbstractionStarter]: At program point L392-2(lines 392 406) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:24:04,151 INFO L443 ceAbstractionStarter]: For program point L161(lines 161 178) no Hoare annotation was computed. [2019-10-22 11:24:04,152 INFO L443 ceAbstractionStarter]: For program point L161-1(lines 161 178) no Hoare annotation was computed. [2019-10-22 11:24:04,152 INFO L443 ceAbstractionStarter]: For program point L161-2(lines 161 178) no Hoare annotation was computed. [2019-10-22 11:24:04,152 INFO L443 ceAbstractionStarter]: For program point L161-3(lines 161 178) no Hoare annotation was computed. [2019-10-22 11:24:04,152 INFO L443 ceAbstractionStarter]: For program point L161-4(lines 161 178) no Hoare annotation was computed. [2019-10-22 11:24:04,152 INFO L443 ceAbstractionStarter]: For program point L161-5(lines 161 178) no Hoare annotation was computed. [2019-10-22 11:24:04,152 INFO L443 ceAbstractionStarter]: For program point L161-6(lines 161 178) no Hoare annotation was computed. [2019-10-22 11:24:04,152 INFO L443 ceAbstractionStarter]: For program point L161-7(lines 161 178) no Hoare annotation was computed. [2019-10-22 11:24:04,152 INFO L439 ceAbstractionStarter]: At program point L921(lines 916 924) 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 (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 11:24:04,152 INFO L443 ceAbstractionStarter]: For program point L161-8(lines 161 178) no Hoare annotation was computed. [2019-10-22 11:24:04,153 INFO L439 ceAbstractionStarter]: At program point L921-1(lines 916 924) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:24:04,153 INFO L443 ceAbstractionStarter]: For program point L161-9(lines 161 178) no Hoare annotation was computed. [2019-10-22 11:24:04,153 INFO L443 ceAbstractionStarter]: For program point L161-10(lines 161 178) no Hoare annotation was computed. [2019-10-22 11:24:04,153 INFO L439 ceAbstractionStarter]: At program point L921-2(lines 916 924) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:24:04,153 INFO L443 ceAbstractionStarter]: For program point L161-11(lines 161 178) no Hoare annotation was computed. [2019-10-22 11:24:04,153 INFO L443 ceAbstractionStarter]: For program point L393(line 393) no Hoare annotation was computed. [2019-10-22 11:24:04,153 INFO L439 ceAbstractionStarter]: At program point L129(lines 128 147) the Hoare annotation is: (let ((.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) .cse3) (and .cse3 (and .cse0 (and .cse4 .cse1 .cse2))) (and (and (and (and .cse4 .cse1) .cse0) (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) .cse3))) [2019-10-22 11:24:04,153 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 129 135) no Hoare annotation was computed. [2019-10-22 11:24:04,154 INFO L439 ceAbstractionStarter]: At program point L129-2(lines 128 147) 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 11:24:04,154 INFO L439 ceAbstractionStarter]: At program point L129-3(lines 128 147) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) (= (_ 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~6 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:24:04,154 INFO L439 ceAbstractionStarter]: At program point L988(lines 983 991) 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 11:24:04,154 INFO L439 ceAbstractionStarter]: At program point L889(lines 884 892) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2019-10-22 11:24:04,154 INFO L439 ceAbstractionStarter]: At program point L889-1(lines 884 892) the Hoare annotation is: false [2019-10-22 11:24:04,154 INFO L439 ceAbstractionStarter]: At program point L889-2(lines 884 892) the Hoare annotation is: false [2019-10-22 11:24:04,154 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-10-22 11:24:04,155 INFO L439 ceAbstractionStarter]: At program point L65-1(lines 65 71) the Hoare annotation is: (let ((.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (let ((.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967294 32)) (_ bv0 32))) (.cse7 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (and .cse5 .cse6)) (.cse3 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse0 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|))) (or (and .cse0 (and .cse1 (and .cse2 .cse3 .cse4))) (and (and .cse3 (and .cse5 .cse6 .cse7) .cse4) .cse0) (and (and (and .cse3 .cse6) .cse1 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) .cse0) (and (and .cse7 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) (and .cse2 .cse3) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0)))) [2019-10-22 11:24:04,155 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:24:04,155 INFO L443 ceAbstractionStarter]: For program point L396(lines 396 400) no Hoare annotation was computed. [2019-10-22 11:24:04,155 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 376) no Hoare annotation was computed. [2019-10-22 11:24:04,155 INFO L443 ceAbstractionStarter]: For program point L396-1(lines 129 135) no Hoare annotation was computed. [2019-10-22 11:24:04,155 INFO L439 ceAbstractionStarter]: At program point L363-1(lines 1 991) the Hoare annotation is: (let ((.cse0 (bvslt ULTIMATE.start_test_~splverifierCounter~0 (_ bv4 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.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 .cse1 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) (and (and .cse0 (and .cse3 .cse1)) .cse4 .cse2 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (and .cse3 .cse1 .cse4) (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2))) [2019-10-22 11:24:04,155 INFO L443 ceAbstractionStarter]: For program point L363-2(lines 363 376) no Hoare annotation was computed. [2019-10-22 11:24:04,155 INFO L439 ceAbstractionStarter]: At program point L363-3(lines 1 991) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:24:04,157 INFO L443 ceAbstractionStarter]: For program point L363-4(lines 363 376) no Hoare annotation was computed. [2019-10-22 11:24:04,157 INFO L439 ceAbstractionStarter]: At program point L363-5(lines 1 991) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) [2019-10-22 11:24:04,157 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 173) no Hoare annotation was computed. [2019-10-22 11:24:04,157 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 165 173) no Hoare annotation was computed. [2019-10-22 11:24:04,157 INFO L443 ceAbstractionStarter]: For program point L165-2(lines 165 173) no Hoare annotation was computed. [2019-10-22 11:24:04,157 INFO L443 ceAbstractionStarter]: For program point L165-3(lines 165 173) no Hoare annotation was computed. [2019-10-22 11:24:04,157 INFO L443 ceAbstractionStarter]: For program point L165-4(lines 165 173) no Hoare annotation was computed. [2019-10-22 11:24:04,157 INFO L443 ceAbstractionStarter]: For program point L165-5(lines 165 173) no Hoare annotation was computed. [2019-10-22 11:24:04,158 INFO L443 ceAbstractionStarter]: For program point L165-6(lines 165 173) no Hoare annotation was computed. [2019-10-22 11:24:04,158 INFO L443 ceAbstractionStarter]: For program point L165-7(lines 165 173) no Hoare annotation was computed. [2019-10-22 11:24:04,158 INFO L443 ceAbstractionStarter]: For program point L165-8(lines 165 173) no Hoare annotation was computed. [2019-10-22 11:24:04,158 INFO L443 ceAbstractionStarter]: For program point L165-9(lines 165 173) no Hoare annotation was computed. [2019-10-22 11:24:04,158 INFO L443 ceAbstractionStarter]: For program point L165-10(lines 165 173) no Hoare annotation was computed. [2019-10-22 11:24:04,158 INFO L443 ceAbstractionStarter]: For program point L165-11(lines 165 173) no Hoare annotation was computed. [2019-10-22 11:24:04,158 INFO L439 ceAbstractionStarter]: At program point L266(lines 261 269) the Hoare annotation is: false [2019-10-22 11:24:04,158 INFO L439 ceAbstractionStarter]: At program point L266-1(lines 261 269) the Hoare annotation is: false [2019-10-22 11:24:04,158 INFO L439 ceAbstractionStarter]: At program point L266-2(lines 261 269) the Hoare annotation is: false [2019-10-22 11:24:04,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:24:04 BoogieIcfgContainer [2019-10-22 11:24:04,198 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:24:04,198 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:24:04,199 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:24:04,199 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:24:04,199 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:42" (3/4) ... [2019-10-22 11:24:04,204 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:24:04,225 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:24:04,227 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 11:24:04,228 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 11:24:04,229 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-10-22 11:24:04,230 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:24:04,231 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:24:04,265 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 11:24:04,265 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 11:24:04,265 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && !(tmp == 0bv32)) || (((((~bvslt32(splverifierCounter, 4bv32) && 0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((~bvslt32(splverifierCounter, 4bv32) && (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) [2019-10-22 11:24:04,266 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1bv32 == \result && ~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && methaneLevelCritical == 0bv32) || (((~bvslt32(splverifierCounter, 4bv32) && (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result)) || (((((~bvslt32(splverifierCounter, 4bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967294bv32) == 0bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && 1bv32 == \result)) || ((((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result) && 1bv32 == \result) [2019-10-22 11:24:04,266 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == tmp [2019-10-22 11:24:04,266 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1bv32 == \result && ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967294bv32) == 0bv32) || ((~bvslt32(splverifierCounter, 4bv32) && (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 1bv32 == \result) [2019-10-22 11:24:04,267 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1bv32 == \result && ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967294bv32) == 0bv32) || ((~bvslt32(splverifierCounter, 4bv32) && (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 1bv32 == \result) [2019-10-22 11:24:04,267 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0bv32 == \result) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 1bv32 == \result) || (1bv32 == \result && ~bvslt32(splverifierCounter, 4bv32) && (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) || ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967294bv32) == 0bv32) && 1bv32 == \result) [2019-10-22 11:24:04,267 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == tmp) && 1bv32 == \result [2019-10-22 11:24:04,267 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && (0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == tmp)) && 1bv32 == \result) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2019-10-22 11:24:04,268 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == tmp) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:24:04,268 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == tmp) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:24:04,269 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 11:24:04,269 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:24:04,269 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == tmp) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:24:04,270 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0bv32 == \result) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && !(tmp == 0bv32) [2019-10-22 11:24:04,270 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 11:24:04,270 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0bv32 == \result) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && !(tmp == 0bv32) [2019-10-22 11:24:04,271 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == tmp) && 1bv32 == \result [2019-10-22 11:24:04,271 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-10-22 11:24:04,271 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (1bv32 == \result && (((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) [2019-10-22 11:24:04,272 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == tmp) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:24:04,273 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (1bv32 == \result && ((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && \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) [2019-10-22 11:24:04,274 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 11:24:04,274 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0bv32 == \result) && \result == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && !(tmp == 0bv32) [2019-10-22 11:24:04,275 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1bv32 == \result && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && !(tmp == 0bv32) [2019-10-22 11:24:04,275 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result [2019-10-22 11:24:04,275 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((~bvadd64(tmp___0, 4294967295bv32) == 0bv32 && tmp == 0bv32) && !(0bv32 == \result)) && \result == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && !(tmp == 0bv32) [2019-10-22 11:24:04,276 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && tmp == 0bv32) && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && !(tmp == 0bv32) [2019-10-22 11:24:04,362 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_245d9066-4e48-41c6-a12a-b3035ff5ec53/bin/utaipan/witness.graphml [2019-10-22 11:24:04,362 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:24:04,364 INFO L168 Benchmark]: Toolchain (without parser) took 24436.60 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 450.4 MB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -279.9 MB). Peak memory consumption was 170.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:04,364 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:04,364 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -160.3 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:04,365 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:04,365 INFO L168 Benchmark]: Boogie Preprocessor took 80.57 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:04,365 INFO L168 Benchmark]: RCFGBuilder took 1902.48 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: 93.7 MB). Peak memory consumption was 93.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:04,365 INFO L168 Benchmark]: TraceAbstraction took 21516.17 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 322.4 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -245.9 MB). Peak memory consumption was 458.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:04,366 INFO L168 Benchmark]: Witness Printer took 163.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:04,367 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 684.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -160.3 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.57 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1902.48 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: 93.7 MB). Peak memory consumption was 93.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21516.17 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 322.4 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -245.9 MB). Peak memory consumption was 458.2 MB. Max. memory is 11.5 GB. * Witness Printer took 163.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 953]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 953]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 953]: 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: 916]: 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: 916]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == tmp) && 1bv32 == \result - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == tmp) && 1bv32 == \result - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: ((((((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && tmp == 0bv32) && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && !(tmp == 0bv32) - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: (((((((((~bvadd64(tmp___0, 4294967295bv32) == 0bv32 && tmp == 0bv32) && !(0bv32 == \result)) && \result == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && !(tmp == 0bv32) - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (((1bv32 == \result && ~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && methaneLevelCritical == 0bv32) || (((~bvslt32(splverifierCounter, 4bv32) && (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result)) || (((((~bvslt32(splverifierCounter, 4bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967294bv32) == 0bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && 1bv32 == \result)) || ((((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && 1bv32 == \result) && 1bv32 == \result) - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: ((((!(0bv32 == \result) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && !(tmp == 0bv32) - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == tmp) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == tmp - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((((!(0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && (0bv32 == pumpRunning && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == tmp)) && 1bv32 == \result) || ((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && ~bvslt32(splverifierCounter, 4bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == tmp) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == tmp) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: ((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == tmp) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 925]: 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: 939]: Loop Invariant Derived loop invariant: ((((((!(0bv32 == \result) && \result == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && !(tmp == 0bv32) - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: (1bv32 == \result && (((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) - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: ((1bv32 == \result && ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967294bv32) == 0bv32) || ((~bvslt32(splverifierCounter, 4bv32) && (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 1bv32 == \result) - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && !(tmp == 0bv32)) || (((((~bvslt32(splverifierCounter, 4bv32) && 0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((~bvslt32(splverifierCounter, 4bv32) && (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && methaneLevelCritical == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: ((1bv32 == \result && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((!(0bv32 == \result) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 1bv32 == \result) || (1bv32 == \result && ~bvslt32(splverifierCounter, 4bv32) && (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) || ((((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967294bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: ((((!(0bv32 == \result) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && !(tmp == 0bv32) - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: (((((((1bv32 == \result && !(0bv32 == \result)) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && !(tmp == 0bv32) - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: ((1bv32 == \result && ((0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(splverifierCounter, 4bv32)) && ~bvadd64(waterLevel, 4294967294bv32) == 0bv32) || ((~bvslt32(splverifierCounter, 4bv32) && (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || ((((~bvadd64(waterLevel, 4294967294bv32) == 0bv32 && !(0bv32 == \result)) && ~bvslt32(splverifierCounter, 4bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 1bv32 == \result) - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (1bv32 == \result && ((((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvslt32(splverifierCounter, 4bv32)) && \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) - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 189 locations, 3 error locations. Result: SAFE, OverallTime: 21.3s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.7s, HoareTripleCheckerStatistics: 2516 SDtfs, 6489 SDslu, 6064 SDs, 0 SdLazy, 1224 SolverSat, 337 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1211 GetRequests, 1106 SyntacticMatches, 1 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=780occurred 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, 4932 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 67 PreInvPairs, 277 NumberOfFragments, 1318 HoareAnnotationTreeSize, 67 FomulaSimplifications, 1551635 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 67 FomulaSimplificationsInter, 118153 FormulaSimplificationTreeSizeReductionInter, 5.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 583 NumberOfCodeBlocks, 583 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1140 ConstructedInterpolants, 0 QuantifiedInterpolants, 130135 SizeOfPredicates, 48 NumberOfNonLiveVariables, 2806 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...