./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4e302d36-4cee-49d1-8020-6a216dd9b27a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4e302d36-4cee-49d1-8020-6a216dd9b27a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4e302d36-4cee-49d1-8020-6a216dd9b27a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4e302d36-4cee-49d1-8020-6a216dd9b27a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4e302d36-4cee-49d1-8020-6a216dd9b27a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4e302d36-4cee-49d1-8020-6a216dd9b27a/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 532810884b5d2bf06b0b91e69513de04a1b641b8 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 01:35:31,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:35:31,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:35:31,823 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:35:31,824 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:35:31,825 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:35:31,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:35:31,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:35:31,839 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:35:31,843 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:35:31,844 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:35:31,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:35:31,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:35:31,847 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:35:31,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:35:31,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:35:31,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:35:31,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:35:31,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:35:31,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:35:31,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:35:31,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:35:31,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:35:31,864 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:35:31,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:35:31,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:35:31,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:35:31,868 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:35:31,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:35:31,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:35:31,869 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:35:31,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:35:31,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:35:31,871 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:35:31,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:35:31,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:35:31,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:35:31,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:35:31,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:35:31,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:35:31,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:35:31,875 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4e302d36-4cee-49d1-8020-6a216dd9b27a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 01:35:31,899 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:35:31,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:35:31,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:35:31,900 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:35:31,900 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 01:35:31,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:35:31,901 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 01:35:31,901 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 01:35:31,901 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 01:35:31,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:35:31,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 01:35:31,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 01:35:31,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 01:35:31,902 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 01:35:31,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:35:31,902 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:35:31,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 01:35:31,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:35:31,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 01:35:31,903 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 01:35:31,903 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 01:35:31,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 01:35:31,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:35:31,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 01:35:31,904 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 01:35:31,904 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 01:35:31,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 01:35:31,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 01:35:31,905 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_4e302d36-4cee-49d1-8020-6a216dd9b27a/bin/uautomizer 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 -> Automizer 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 -> 532810884b5d2bf06b0b91e69513de04a1b641b8 [2019-11-20 01:35:32,041 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:35:32,050 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:35:32,053 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:35:32,054 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:35:32,055 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:35:32,055 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4e302d36-4cee-49d1-8020-6a216dd9b27a/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c [2019-11-20 01:35:32,106 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4e302d36-4cee-49d1-8020-6a216dd9b27a/bin/uautomizer/data/94a42e2c2/e1cc535785d8476d90bf5e8ed26e248e/FLAG450e638fa [2019-11-20 01:35:32,566 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:35:32,567 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4e302d36-4cee-49d1-8020-6a216dd9b27a/sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c [2019-11-20 01:35:32,578 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4e302d36-4cee-49d1-8020-6a216dd9b27a/bin/uautomizer/data/94a42e2c2/e1cc535785d8476d90bf5e8ed26e248e/FLAG450e638fa [2019-11-20 01:35:32,598 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4e302d36-4cee-49d1-8020-6a216dd9b27a/bin/uautomizer/data/94a42e2c2/e1cc535785d8476d90bf5e8ed26e248e [2019-11-20 01:35:32,601 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:35:32,602 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:35:32,605 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:35:32,605 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:35:32,608 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:35:32,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:35:32" (1/1) ... [2019-11-20 01:35:32,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c2dbeac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:35:32, skipping insertion in model container [2019-11-20 01:35:32,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:35:32" (1/1) ... [2019-11-20 01:35:32,620 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:35:32,665 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:35:32,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:35:32,981 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:35:33,053 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:35:33,090 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:35:33,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:35:33 WrapperNode [2019-11-20 01:35:33,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:35:33,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:35:33,092 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:35:33,092 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:35:33,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:35:33" (1/1) ... [2019-11-20 01:35:33,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:35:33" (1/1) ... [2019-11-20 01:35:33,165 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:35:33,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:35:33,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:35:33,166 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:35:33,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:35:33" (1/1) ... [2019-11-20 01:35:33,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:35:33" (1/1) ... [2019-11-20 01:35:33,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:35:33" (1/1) ... [2019-11-20 01:35:33,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:35:33" (1/1) ... [2019-11-20 01:35:33,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:35:33" (1/1) ... [2019-11-20 01:35:33,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:35:33" (1/1) ... [2019-11-20 01:35:33,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:35:33" (1/1) ... [2019-11-20 01:35:33,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:35:33,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:35:33,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:35:33,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:35:33,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:35:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e302d36-4cee-49d1-8020-6a216dd9b27a/bin/uautomizer/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 [2019-11-20 01:35:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 01:35:33,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 01:35:33,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:35:33,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:35:34,065 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:35:34,066 INFO L285 CfgBuilder]: Removed 130 assume(true) statements. [2019-11-20 01:35:34,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:35:34 BoogieIcfgContainer [2019-11-20 01:35:34,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:35:34,068 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 01:35:34,068 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 01:35:34,071 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 01:35:34,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:35:32" (1/3) ... [2019-11-20 01:35:34,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7df0d4c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:35:34, skipping insertion in model container [2019-11-20 01:35:34,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:35:33" (2/3) ... [2019-11-20 01:35:34,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7df0d4c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:35:34, skipping insertion in model container [2019-11-20 01:35:34,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:35:34" (3/3) ... [2019-11-20 01:35:34,074 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product42.cil.c [2019-11-20 01:35:34,084 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 01:35:34,090 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-20 01:35:34,100 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-20 01:35:34,122 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 01:35:34,122 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 01:35:34,123 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 01:35:34,123 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 01:35:34,123 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 01:35:34,123 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 01:35:34,124 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 01:35:34,124 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 01:35:34,140 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2019-11-20 01:35:34,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 01:35:34,147 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:35:34,148 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:35:34,148 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:35:34,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:35:34,154 INFO L82 PathProgramCache]: Analyzing trace with hash 2002570515, now seen corresponding path program 1 times [2019-11-20 01:35:34,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:35:34,163 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689863660] [2019-11-20 01:35:34,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:35:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:35:34,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:35:34,413 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689863660] [2019-11-20 01:35:34,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:35:34,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 01:35:34,415 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30925406] [2019-11-20 01:35:34,419 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 01:35:34,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:35:34,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 01:35:34,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 01:35:34,432 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 2 states. [2019-11-20 01:35:34,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:35:34,459 INFO L93 Difference]: Finished difference Result 185 states and 274 transitions. [2019-11-20 01:35:34,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 01:35:34,460 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-11-20 01:35:34,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:35:34,469 INFO L225 Difference]: With dead ends: 185 [2019-11-20 01:35:34,469 INFO L226 Difference]: Without dead ends: 92 [2019-11-20 01:35:34,472 INFO L630 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 [2019-11-20 01:35:34,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-11-20 01:35:34,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2019-11-20 01:35:34,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-11-20 01:35:34,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2019-11-20 01:35:34,512 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 129 transitions. Word has length 19 [2019-11-20 01:35:34,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:35:34,513 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 129 transitions. [2019-11-20 01:35:34,513 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 01:35:34,513 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2019-11-20 01:35:34,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 01:35:34,514 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:35:34,514 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:35:34,515 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:35:34,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:35:34,515 INFO L82 PathProgramCache]: Analyzing trace with hash -486377228, now seen corresponding path program 1 times [2019-11-20 01:35:34,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:35:34,516 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319414393] [2019-11-20 01:35:34,516 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:35:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:35:34,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:35:34,597 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319414393] [2019-11-20 01:35:34,597 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:35:34,597 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 01:35:34,597 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938366087] [2019-11-20 01:35:34,599 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 01:35:34,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:35:34,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 01:35:34,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 01:35:34,600 INFO L87 Difference]: Start difference. First operand 92 states and 129 transitions. Second operand 3 states. [2019-11-20 01:35:34,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:35:34,614 INFO L93 Difference]: Finished difference Result 92 states and 129 transitions. [2019-11-20 01:35:34,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 01:35:34,615 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-20 01:35:34,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:35:34,616 INFO L225 Difference]: With dead ends: 92 [2019-11-20 01:35:34,616 INFO L226 Difference]: Without dead ends: 41 [2019-11-20 01:35:34,617 INFO L630 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 [2019-11-20 01:35:34,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-11-20 01:35:34,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-11-20 01:35:34,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-11-20 01:35:34,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 57 transitions. [2019-11-20 01:35:34,623 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 57 transitions. Word has length 20 [2019-11-20 01:35:34,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:35:34,623 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 57 transitions. [2019-11-20 01:35:34,624 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 01:35:34,624 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2019-11-20 01:35:34,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 01:35:34,625 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:35:34,625 INFO L410 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] [2019-11-20 01:35:34,625 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:35:34,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:35:34,626 INFO L82 PathProgramCache]: Analyzing trace with hash 215436409, now seen corresponding path program 1 times [2019-11-20 01:35:34,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:35:34,626 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404527322] [2019-11-20 01:35:34,626 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:35:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:35:34,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:35:34,713 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404527322] [2019-11-20 01:35:34,713 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:35:34,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 01:35:34,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144861650] [2019-11-20 01:35:34,714 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 01:35:34,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:35:34,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 01:35:34,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 01:35:34,714 INFO L87 Difference]: Start difference. First operand 41 states and 57 transitions. Second operand 3 states. [2019-11-20 01:35:34,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:35:34,741 INFO L93 Difference]: Finished difference Result 75 states and 107 transitions. [2019-11-20 01:35:34,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 01:35:34,742 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-20 01:35:34,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:35:34,743 INFO L225 Difference]: With dead ends: 75 [2019-11-20 01:35:34,743 INFO L226 Difference]: Without dead ends: 41 [2019-11-20 01:35:34,744 INFO L630 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 [2019-11-20 01:35:34,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-11-20 01:35:34,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-11-20 01:35:34,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-11-20 01:35:34,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2019-11-20 01:35:34,750 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 26 [2019-11-20 01:35:34,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:35:34,750 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2019-11-20 01:35:34,750 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 01:35:34,751 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2019-11-20 01:35:34,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 01:35:34,752 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:35:34,752 INFO L410 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] [2019-11-20 01:35:34,752 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:35:34,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:35:34,753 INFO L82 PathProgramCache]: Analyzing trace with hash 937029115, now seen corresponding path program 1 times [2019-11-20 01:35:34,753 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:35:34,753 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008052355] [2019-11-20 01:35:34,753 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:35:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:35:34,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:35:34,811 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008052355] [2019-11-20 01:35:34,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:35:34,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 01:35:34,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540158321] [2019-11-20 01:35:34,812 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 01:35:34,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:35:34,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 01:35:34,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 01:35:34,813 INFO L87 Difference]: Start difference. First operand 41 states and 56 transitions. Second operand 3 states. [2019-11-20 01:35:34,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:35:34,859 INFO L93 Difference]: Finished difference Result 99 states and 139 transitions. [2019-11-20 01:35:34,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 01:35:34,859 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-11-20 01:35:34,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:35:34,861 INFO L225 Difference]: With dead ends: 99 [2019-11-20 01:35:34,861 INFO L226 Difference]: Without dead ends: 65 [2019-11-20 01:35:34,861 INFO L630 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 [2019-11-20 01:35:34,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-11-20 01:35:34,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2019-11-20 01:35:34,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-11-20 01:35:34,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 87 transitions. [2019-11-20 01:35:34,870 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 87 transitions. Word has length 27 [2019-11-20 01:35:34,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:35:34,871 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 87 transitions. [2019-11-20 01:35:34,871 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 01:35:34,871 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2019-11-20 01:35:34,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 01:35:34,872 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:35:34,873 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:35:34,873 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:35:34,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:35:34,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1349052711, now seen corresponding path program 1 times [2019-11-20 01:35:34,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:35:34,874 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729546063] [2019-11-20 01:35:34,874 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:35:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:35:34,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:35:34,992 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729546063] [2019-11-20 01:35:34,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:35:34,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 01:35:34,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422190658] [2019-11-20 01:35:34,993 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 01:35:34,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:35:34,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 01:35:34,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 01:35:34,993 INFO L87 Difference]: Start difference. First operand 63 states and 87 transitions. Second operand 5 states. [2019-11-20 01:35:35,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:35:35,207 INFO L93 Difference]: Finished difference Result 216 states and 304 transitions. [2019-11-20 01:35:35,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 01:35:35,207 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-20 01:35:35,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:35:35,209 INFO L225 Difference]: With dead ends: 216 [2019-11-20 01:35:35,209 INFO L226 Difference]: Without dead ends: 160 [2019-11-20 01:35:35,210 INFO L630 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 [2019-11-20 01:35:35,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-20 01:35:35,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2019-11-20 01:35:35,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-11-20 01:35:35,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 84 transitions. [2019-11-20 01:35:35,233 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 84 transitions. Word has length 33 [2019-11-20 01:35:35,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:35:35,234 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 84 transitions. [2019-11-20 01:35:35,234 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 01:35:35,234 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2019-11-20 01:35:35,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 01:35:35,240 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:35:35,241 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:35:35,241 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:35:35,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:35:35,242 INFO L82 PathProgramCache]: Analyzing trace with hash -243919497, now seen corresponding path program 1 times [2019-11-20 01:35:35,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:35:35,242 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895140888] [2019-11-20 01:35:35,242 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:35:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:35:35,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:35:35,352 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895140888] [2019-11-20 01:35:35,352 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:35:35,352 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 01:35:35,353 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078168037] [2019-11-20 01:35:35,353 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 01:35:35,353 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:35:35,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 01:35:35,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 01:35:35,354 INFO L87 Difference]: Start difference. First operand 62 states and 84 transitions. Second operand 5 states. [2019-11-20 01:35:35,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:35:35,419 INFO L93 Difference]: Finished difference Result 161 states and 220 transitions. [2019-11-20 01:35:35,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 01:35:35,420 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-11-20 01:35:35,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:35:35,422 INFO L225 Difference]: With dead ends: 161 [2019-11-20 01:35:35,422 INFO L226 Difference]: Without dead ends: 106 [2019-11-20 01:35:35,423 INFO L630 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 [2019-11-20 01:35:35,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-11-20 01:35:35,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 65. [2019-11-20 01:35:35,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-11-20 01:35:35,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 87 transitions. [2019-11-20 01:35:35,434 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 87 transitions. Word has length 36 [2019-11-20 01:35:35,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:35:35,435 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 87 transitions. [2019-11-20 01:35:35,435 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 01:35:35,435 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2019-11-20 01:35:35,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 01:35:35,436 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:35:35,436 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:35:35,437 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:35:35,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:35:35,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1255036747, now seen corresponding path program 1 times [2019-11-20 01:35:35,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:35:35,438 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759679823] [2019-11-20 01:35:35,438 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:35:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:35:35,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:35:35,540 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759679823] [2019-11-20 01:35:35,540 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:35:35,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 01:35:35,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944845262] [2019-11-20 01:35:35,541 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 01:35:35,541 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:35:35,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 01:35:35,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 01:35:35,542 INFO L87 Difference]: Start difference. First operand 65 states and 87 transitions. Second operand 5 states. [2019-11-20 01:35:35,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:35:35,629 INFO L93 Difference]: Finished difference Result 170 states and 229 transitions. [2019-11-20 01:35:35,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 01:35:35,630 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-11-20 01:35:35,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:35:35,631 INFO L225 Difference]: With dead ends: 170 [2019-11-20 01:35:35,631 INFO L226 Difference]: Without dead ends: 112 [2019-11-20 01:35:35,632 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 01:35:35,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-11-20 01:35:35,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 67. [2019-11-20 01:35:35,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-11-20 01:35:35,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 89 transitions. [2019-11-20 01:35:35,648 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 89 transitions. Word has length 36 [2019-11-20 01:35:35,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:35:35,650 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 89 transitions. [2019-11-20 01:35:35,650 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 01:35:35,650 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 89 transitions. [2019-11-20 01:35:35,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 01:35:35,654 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:35:35,655 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:35:35,655 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:35:35,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:35:35,655 INFO L82 PathProgramCache]: Analyzing trace with hash 2018862195, now seen corresponding path program 1 times [2019-11-20 01:35:35,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:35:35,656 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652907636] [2019-11-20 01:35:35,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:35:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:35:35,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:35:35,738 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652907636] [2019-11-20 01:35:35,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:35:35,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 01:35:35,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300141337] [2019-11-20 01:35:35,739 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 01:35:35,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:35:35,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 01:35:35,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 01:35:35,740 INFO L87 Difference]: Start difference. First operand 67 states and 89 transitions. Second operand 3 states. [2019-11-20 01:35:35,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:35:35,767 INFO L93 Difference]: Finished difference Result 154 states and 206 transitions. [2019-11-20 01:35:35,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 01:35:35,768 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-11-20 01:35:35,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:35:35,769 INFO L225 Difference]: With dead ends: 154 [2019-11-20 01:35:35,769 INFO L226 Difference]: Without dead ends: 94 [2019-11-20 01:35:35,770 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 01:35:35,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2019-11-20 01:35:35,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2019-11-20 01:35:35,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-11-20 01:35:35,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 122 transitions. [2019-11-20 01:35:35,789 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 122 transitions. Word has length 36 [2019-11-20 01:35:35,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:35:35,791 INFO L462 AbstractCegarLoop]: Abstraction has 94 states and 122 transitions. [2019-11-20 01:35:35,791 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 01:35:35,791 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2019-11-20 01:35:35,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 01:35:35,792 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:35:35,792 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:35:35,793 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:35:35,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:35:35,793 INFO L82 PathProgramCache]: Analyzing trace with hash 544383411, now seen corresponding path program 1 times [2019-11-20 01:35:35,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:35:35,795 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749087324] [2019-11-20 01:35:35,795 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:35:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:35:35,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:35:35,927 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749087324] [2019-11-20 01:35:35,927 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:35:35,927 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 01:35:35,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812034536] [2019-11-20 01:35:35,931 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 01:35:35,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:35:35,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 01:35:35,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 01:35:35,932 INFO L87 Difference]: Start difference. First operand 94 states and 122 transitions. Second operand 6 states. [2019-11-20 01:35:36,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:35:36,136 INFO L93 Difference]: Finished difference Result 339 states and 457 transitions. [2019-11-20 01:35:36,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 01:35:36,137 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2019-11-20 01:35:36,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:35:36,139 INFO L225 Difference]: With dead ends: 339 [2019-11-20 01:35:36,139 INFO L226 Difference]: Without dead ends: 279 [2019-11-20 01:35:36,140 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-20 01:35:36,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2019-11-20 01:35:36,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 135. [2019-11-20 01:35:36,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-11-20 01:35:36,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 174 transitions. [2019-11-20 01:35:36,164 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 174 transitions. Word has length 37 [2019-11-20 01:35:36,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:35:36,165 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 174 transitions. [2019-11-20 01:35:36,165 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 01:35:36,165 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 174 transitions. [2019-11-20 01:35:36,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 01:35:36,166 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:35:36,166 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 01:35:36,166 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:35:36,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:35:36,167 INFO L82 PathProgramCache]: Analyzing trace with hash 167223140, now seen corresponding path program 1 times [2019-11-20 01:35:36,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:35:36,168 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473590223] [2019-11-20 01:35:36,169 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:35:36,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:35:36,243 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:35:36,244 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473590223] [2019-11-20 01:35:36,245 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865337687] [2019-11-20 01:35:36,245 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e302d36-4cee-49d1-8020-6a216dd9b27a/bin/uautomizer/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 [2019-11-20 01:35:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:35:36,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 01:35:36,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:35:36,471 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:35:36,473 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 01:35:36,473 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-11-20 01:35:36,473 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933129511] [2019-11-20 01:35:36,474 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 01:35:36,474 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:35:36,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 01:35:36,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-20 01:35:36,475 INFO L87 Difference]: Start difference. First operand 135 states and 174 transitions. Second operand 8 states. [2019-11-20 01:35:36,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:35:36,634 INFO L93 Difference]: Finished difference Result 242 states and 319 transitions. [2019-11-20 01:35:36,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 01:35:36,634 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2019-11-20 01:35:36,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:35:36,635 INFO L225 Difference]: With dead ends: 242 [2019-11-20 01:35:36,635 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 01:35:36,635 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-20 01:35:36,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 01:35:36,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 01:35:36,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 01:35:36,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 01:35:36,636 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2019-11-20 01:35:36,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:35:36,636 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 01:35:36,636 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 01:35:36,636 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 01:35:36,637 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 01:35:36,847 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 01:35:36,850 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 01:35:37,369 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 23 [2019-11-20 01:35:37,680 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 23 [2019-11-20 01:35:37,830 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 28 [2019-11-20 01:35:37,951 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2019-11-20 01:35:38,156 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 22 [2019-11-20 01:35:38,372 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 22 [2019-11-20 01:35:38,640 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 201) no Hoare annotation was computed. [2019-11-20 01:35:38,641 INFO L444 ceAbstractionStarter]: For program point L746(lines 746 759) no Hoare annotation was computed. [2019-11-20 01:35:38,641 INFO L444 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2019-11-20 01:35:38,641 INFO L444 ceAbstractionStarter]: For program point L201-1(line 201) no Hoare annotation was computed. [2019-11-20 01:35:38,641 INFO L444 ceAbstractionStarter]: For program point L201-2(line 201) no Hoare annotation was computed. [2019-11-20 01:35:38,641 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 01:35:38,641 INFO L440 ceAbstractionStarter]: At program point L879(lines 872 882) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 01:35:38,641 INFO L440 ceAbstractionStarter]: At program point L879-1(lines 872 882) the Hoare annotation is: false [2019-11-20 01:35:38,642 INFO L440 ceAbstractionStarter]: At program point L879-2(lines 872 882) the Hoare annotation is: false [2019-11-20 01:35:38,642 INFO L444 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2019-11-20 01:35:38,642 INFO L440 ceAbstractionStarter]: At program point L70-1(lines 1 954) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 (= ~pumpRunning~0 0) .cse2)) (and (= 1 ~switchedOnBeforeTS~0) .cse1 .cse0 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse1 (<= 2 ~waterLevel~0) .cse0 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0 2) .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2))) [2019-11-20 01:35:38,642 INFO L444 ceAbstractionStarter]: For program point L70-2(lines 70 87) no Hoare annotation was computed. [2019-11-20 01:35:38,642 INFO L440 ceAbstractionStarter]: At program point L70-3(lines 1 954) the Hoare annotation is: false [2019-11-20 01:35:38,642 INFO L444 ceAbstractionStarter]: For program point L70-4(lines 70 87) no Hoare annotation was computed. [2019-11-20 01:35:38,642 INFO L440 ceAbstractionStarter]: At program point L70-5(lines 1 954) the Hoare annotation is: false [2019-11-20 01:35:38,643 INFO L440 ceAbstractionStarter]: At program point L764(lines 715 765) the Hoare annotation is: false [2019-11-20 01:35:38,643 INFO L440 ceAbstractionStarter]: At program point L236(lines 231 239) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 01:35:38,643 INFO L440 ceAbstractionStarter]: At program point L104-2(lines 104 118) the Hoare annotation is: false [2019-11-20 01:35:38,643 INFO L440 ceAbstractionStarter]: At program point L699(lines 690 703) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse2 .cse3))) [2019-11-20 01:35:38,643 INFO L440 ceAbstractionStarter]: At program point L699-1(lines 690 703) the Hoare annotation is: false [2019-11-20 01:35:38,643 INFO L440 ceAbstractionStarter]: At program point L699-2(lines 690 703) the Hoare annotation is: false [2019-11-20 01:35:38,643 INFO L444 ceAbstractionStarter]: For program point L617(lines 617 621) no Hoare annotation was computed. [2019-11-20 01:35:38,644 INFO L444 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2019-11-20 01:35:38,644 INFO L444 ceAbstractionStarter]: For program point L617-3(lines 617 621) no Hoare annotation was computed. [2019-11-20 01:35:38,644 INFO L444 ceAbstractionStarter]: For program point L617-6(lines 617 621) no Hoare annotation was computed. [2019-11-20 01:35:38,644 INFO L440 ceAbstractionStarter]: At program point L155(lines 151 157) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 01:35:38,644 INFO L444 ceAbstractionStarter]: For program point L717(lines 716 763) no Hoare annotation was computed. [2019-11-20 01:35:38,644 INFO L444 ceAbstractionStarter]: For program point L817(lines 817 834) no Hoare annotation was computed. [2019-11-20 01:35:38,644 INFO L444 ceAbstractionStarter]: For program point L817-1(lines 817 834) no Hoare annotation was computed. [2019-11-20 01:35:38,644 INFO L444 ceAbstractionStarter]: For program point L817-2(lines 817 834) no Hoare annotation was computed. [2019-11-20 01:35:38,644 INFO L444 ceAbstractionStarter]: For program point L718(lines 718 722) no Hoare annotation was computed. [2019-11-20 01:35:38,645 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2019-11-20 01:35:38,645 INFO L444 ceAbstractionStarter]: For program point L74-2(lines 74 84) no Hoare annotation was computed. [2019-11-20 01:35:38,645 INFO L444 ceAbstractionStarter]: For program point L74-4(lines 74 84) no Hoare annotation was computed. [2019-11-20 01:35:38,645 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 01:35:38,645 INFO L440 ceAbstractionStarter]: At program point L785(lines 781 803) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse1 (and .cse0 (= ~pumpRunning~0 0) .cse2)))) [2019-11-20 01:35:38,645 INFO L440 ceAbstractionStarter]: At program point L785-1(lines 781 803) the Hoare annotation is: false [2019-11-20 01:35:38,645 INFO L440 ceAbstractionStarter]: At program point L785-2(lines 781 803) the Hoare annotation is: false [2019-11-20 01:35:38,646 INFO L440 ceAbstractionStarter]: At program point L686(lines 681 689) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (= ~pumpRunning~0 0) .cse1) .cse2) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1))) [2019-11-20 01:35:38,646 INFO L440 ceAbstractionStarter]: At program point L686-1(lines 681 689) the Hoare annotation is: false [2019-11-20 01:35:38,646 INFO L444 ceAbstractionStarter]: For program point L108(lines 108 112) no Hoare annotation was computed. [2019-11-20 01:35:38,646 INFO L440 ceAbstractionStarter]: At program point L686-2(lines 681 689) the Hoare annotation is: false [2019-11-20 01:35:38,646 INFO L444 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-11-20 01:35:38,646 INFO L444 ceAbstractionStarter]: For program point L108-1(lines 108 112) no Hoare annotation was computed. [2019-11-20 01:35:38,646 INFO L444 ceAbstractionStarter]: For program point L75-2(lines 75 81) no Hoare annotation was computed. [2019-11-20 01:35:38,646 INFO L444 ceAbstractionStarter]: For program point L75-4(lines 75 81) no Hoare annotation was computed. [2019-11-20 01:35:38,647 INFO L444 ceAbstractionStarter]: For program point L736(lines 736 742) no Hoare annotation was computed. [2019-11-20 01:35:38,647 INFO L440 ceAbstractionStarter]: At program point L736-1(lines 736 742) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 (= ~pumpRunning~0 0) .cse2)) (and .cse1 (<= 2 ~waterLevel~0) .cse0 .cse3 .cse2) (and (= 1 ~switchedOnBeforeTS~0) .cse1 .cse0 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2))) [2019-11-20 01:35:38,647 INFO L440 ceAbstractionStarter]: At program point L59(lines 785 791) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2) .cse1))) [2019-11-20 01:35:38,647 INFO L440 ceAbstractionStarter]: At program point L59-1(lines 785 791) the Hoare annotation is: false [2019-11-20 01:35:38,647 INFO L440 ceAbstractionStarter]: At program point L59-2(lines 785 791) the Hoare annotation is: false [2019-11-20 01:35:38,652 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 201) no Hoare annotation was computed. [2019-11-20 01:35:38,652 INFO L440 ceAbstractionStarter]: At program point L654(lines 649 657) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 01:35:38,652 INFO L440 ceAbstractionStarter]: At program point L654-1(lines 649 657) the Hoare annotation is: false [2019-11-20 01:35:38,652 INFO L440 ceAbstractionStarter]: At program point L654-2(lines 649 657) the Hoare annotation is: false [2019-11-20 01:35:38,652 INFO L447 ceAbstractionStarter]: At program point L192(lines 173 195) the Hoare annotation is: true [2019-11-20 01:35:38,652 INFO L444 ceAbstractionStarter]: For program point L754(lines 754 758) no Hoare annotation was computed. [2019-11-20 01:35:38,654 INFO L440 ceAbstractionStarter]: At program point L754-2(lines 754 758) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 (= ~pumpRunning~0 0) .cse2)) (and .cse1 (<= 2 ~waterLevel~0) .cse0 .cse3 .cse2) (and (= 1 ~switchedOnBeforeTS~0) .cse1 .cse0 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2))) [2019-11-20 01:35:38,654 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 01:35:38,655 INFO L444 ceAbstractionStarter]: For program point L854(lines 854 860) no Hoare annotation was computed. [2019-11-20 01:35:38,655 INFO L444 ceAbstractionStarter]: For program point L821(lines 821 829) no Hoare annotation was computed. [2019-11-20 01:35:38,655 INFO L444 ceAbstractionStarter]: For program point L821-1(lines 821 829) no Hoare annotation was computed. [2019-11-20 01:35:38,655 INFO L444 ceAbstractionStarter]: For program point L854-2(lines 854 860) no Hoare annotation was computed. [2019-11-20 01:35:38,655 INFO L444 ceAbstractionStarter]: For program point L821-2(lines 821 829) no Hoare annotation was computed. [2019-11-20 01:35:38,655 INFO L444 ceAbstractionStarter]: For program point L854-4(lines 854 860) no Hoare annotation was computed. [2019-11-20 01:35:38,655 INFO L444 ceAbstractionStarter]: For program point L937(lines 937 941) no Hoare annotation was computed. [2019-11-20 01:35:38,655 INFO L444 ceAbstractionStarter]: For program point L937-2(lines 937 941) no Hoare annotation was computed. [2019-11-20 01:35:38,655 INFO L444 ceAbstractionStarter]: For program point L937-3(lines 937 941) no Hoare annotation was computed. [2019-11-20 01:35:38,656 INFO L444 ceAbstractionStarter]: For program point L937-5(lines 937 941) no Hoare annotation was computed. [2019-11-20 01:35:38,656 INFO L444 ceAbstractionStarter]: For program point L937-6(lines 937 941) no Hoare annotation was computed. [2019-11-20 01:35:38,656 INFO L444 ceAbstractionStarter]: For program point L937-8(lines 937 941) no Hoare annotation was computed. [2019-11-20 01:35:38,656 INFO L440 ceAbstractionStarter]: At program point L888(lines 883 891) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 1)) (.cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse4) .cse1))) [2019-11-20 01:35:38,656 INFO L440 ceAbstractionStarter]: At program point L888-1(lines 883 891) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2) .cse1))) [2019-11-20 01:35:38,656 INFO L440 ceAbstractionStarter]: At program point L888-2(lines 883 891) the Hoare annotation is: false [2019-11-20 01:35:38,656 INFO L440 ceAbstractionStarter]: At program point L888-3(lines 883 891) the Hoare annotation is: false [2019-11-20 01:35:38,657 INFO L440 ceAbstractionStarter]: At program point L888-4(lines 883 891) the Hoare annotation is: false [2019-11-20 01:35:38,657 INFO L440 ceAbstractionStarter]: At program point L888-5(lines 883 891) the Hoare annotation is: false [2019-11-20 01:35:38,657 INFO L440 ceAbstractionStarter]: At program point L228(lines 1 954) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 01:35:38,657 INFO L444 ceAbstractionStarter]: For program point L641(lines 641 645) no Hoare annotation was computed. [2019-11-20 01:35:38,657 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 01:35:38,658 INFO L440 ceAbstractionStarter]: At program point L792(lines 792 798) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 1)) (.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse1 (and .cse0 (= ~pumpRunning~0 0) .cse3)))) [2019-11-20 01:35:38,658 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 201) no Hoare annotation was computed. [2019-11-20 01:35:38,658 INFO L440 ceAbstractionStarter]: At program point L792-1(lines 792 798) the Hoare annotation is: false [2019-11-20 01:35:38,658 INFO L444 ceAbstractionStarter]: For program point L726(lines 726 732) no Hoare annotation was computed. [2019-11-20 01:35:38,658 INFO L440 ceAbstractionStarter]: At program point L792-2(lines 792 798) the Hoare annotation is: false [2019-11-20 01:35:38,659 INFO L440 ceAbstractionStarter]: At program point L726-1(lines 726 732) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and .cse1 (= ~pumpRunning~0 0) .cse2)) (and .cse1 (<= 2 ~waterLevel~0) .cse0 .cse3 .cse2) (and (= 1 ~switchedOnBeforeTS~0) .cse1 .cse0 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2))) [2019-11-20 01:35:38,659 INFO L440 ceAbstractionStarter]: At program point L49(lines 44 51) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 01:35:38,659 INFO L444 ceAbstractionStarter]: For program point L694(lines 694 700) no Hoare annotation was computed. [2019-11-20 01:35:38,659 INFO L444 ceAbstractionStarter]: For program point L694-1(lines 694 700) no Hoare annotation was computed. [2019-11-20 01:35:38,659 INFO L444 ceAbstractionStarter]: For program point L694-2(lines 694 700) no Hoare annotation was computed. [2019-11-20 01:35:38,663 INFO L444 ceAbstractionStarter]: For program point L183(lines 183 190) no Hoare annotation was computed. [2019-11-20 01:35:38,663 INFO L447 ceAbstractionStarter]: At program point L183-1(lines 183 190) the Hoare annotation is: true [2019-11-20 01:35:38,668 INFO L444 ceAbstractionStarter]: For program point L629(lines 629 633) no Hoare annotation was computed. [2019-11-20 01:35:38,669 INFO L440 ceAbstractionStarter]: At program point L943(lines 928 946) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~8)) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2) .cse2 .cse3) .cse1))) [2019-11-20 01:35:38,669 INFO L440 ceAbstractionStarter]: At program point L943-1(lines 928 946) the Hoare annotation is: false [2019-11-20 01:35:38,669 INFO L440 ceAbstractionStarter]: At program point L943-2(lines 928 946) the Hoare annotation is: false [2019-11-20 01:35:38,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 01:35:38 BoogieIcfgContainer [2019-11-20 01:35:38,712 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 01:35:38,712 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:35:38,713 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:35:38,713 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:35:38,714 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:35:34" (3/4) ... [2019-11-20 01:35:38,718 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 01:35:38,748 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-20 01:35:38,757 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-20 01:35:38,759 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-20 01:35:38,760 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 01:35:38,761 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 01:35:38,764 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 01:35:38,793 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 1 < tmp) && tmp <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) [2019-11-20 01:35:38,793 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-11-20 01:35:38,794 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-11-20 01:35:38,795 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) [2019-11-20 01:35:38,796 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) [2019-11-20 01:35:38,796 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) [2019-11-20 01:35:38,797 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || (waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-20 01:35:38,797 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || (waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-20 01:35:38,798 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) [2019-11-20 01:35:38,799 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && waterLevel <= 2) && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-20 01:35:38,800 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) [2019-11-20 01:35:38,801 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((0 == \result && !(0 == tmp)) && 1 == systemActive) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) [2019-11-20 01:35:38,892 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4e302d36-4cee-49d1-8020-6a216dd9b27a/bin/uautomizer/witness.graphml [2019-11-20 01:35:38,892 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:35:38,894 INFO L168 Benchmark]: Toolchain (without parser) took 6291.77 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 229.1 MB). Free memory was 946.1 MB in the beginning and 885.6 MB in the end (delta: 60.4 MB). Peak memory consumption was 289.5 MB. Max. memory is 11.5 GB. [2019-11-20 01:35:38,894 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:35:38,894 INFO L168 Benchmark]: CACSL2BoogieTranslator took 485.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -201.8 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-11-20 01:35:38,895 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.85 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: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2019-11-20 01:35:38,895 INFO L168 Benchmark]: Boogie Preprocessor took 57.52 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 01:35:38,896 INFO L168 Benchmark]: RCFGBuilder took 843.70 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: 66.3 MB). Peak memory consumption was 66.3 MB. Max. memory is 11.5 GB. [2019-11-20 01:35:38,896 INFO L168 Benchmark]: TraceAbstraction took 4644.43 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 65.5 MB). Free memory was 1.1 GB in the beginning and 895.6 MB in the end (delta: 172.4 MB). Peak memory consumption was 238.0 MB. Max. memory is 11.5 GB. [2019-11-20 01:35:38,897 INFO L168 Benchmark]: Witness Printer took 179.96 ms. Allocated memory is still 1.3 GB. Free memory was 895.6 MB in the beginning and 885.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2019-11-20 01:35:38,899 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 485.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -201.8 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 73.85 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: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.52 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 843.70 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: 66.3 MB). Peak memory consumption was 66.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4644.43 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 65.5 MB). Free memory was 1.1 GB in the beginning and 895.6 MB in the end (delta: 172.4 MB). Peak memory consumption was 238.0 MB. Max. memory is 11.5 GB. * Witness Printer took 179.96 ms. Allocated memory is still 1.3 GB. Free memory was 895.6 MB in the beginning and 885.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 201]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 201]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 201]: 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: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((0 == \result && !(0 == tmp)) && 1 == systemActive) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || ((((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 1 < tmp) && tmp <= 2) && pumpRunning == 1) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter)) || (waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) || (waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && waterLevel <= 2) && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 1) && 0 == splverifierCounter)) || (((((1 == switchedOnBeforeTS && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) && \result == 1) && 0 == splverifierCounter) - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 96 locations, 3 error locations. Result: SAFE, OverallTime: 4.5s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, HoareTripleCheckerStatistics: 815 SDtfs, 873 SDslu, 1150 SDs, 0 SdLazy, 180 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 330 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 106 NumberOfFragments, 655 HoareAnnotationTreeSize, 44 FomulaSimplifications, 25224 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 44 FomulaSimplificationsInter, 2990 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 378 NumberOfCodeBlocks, 378 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 367 ConstructedInterpolants, 0 QuantifiedInterpolants, 26855 SizeOfPredicates, 4 NumberOfNonLiveVariables, 417 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 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...